code.delx.au - gnu-emacs/blob - configure.in

   1 dnl  Autoconf script for GNU Emacs
   2 dnl To rebuild the `configure' script from this, execute the command
   3 dnl     autoconf
   4 dnl in the directory containing this script.
   5 dnl If you changed any AC_DEFINES, also run autoheader.
   6 dnl
   7 dnl Copyright (C) 1994-1996, 1999-2011  Free Software Foundation, Inc.
   8 dnl
   9 dnl  This file is part of GNU Emacs.
  10 dnl
  11 dnl  GNU Emacs is free software: you can redistribute it and/or modify
  12 dnl  it under the terms of the GNU General Public License as published by
  13 dnl  the Free Software Foundation, either version 3 of the License, or
  14 dnl  (at your option) any later version.
  15 dnl
  16 dnl  GNU Emacs is distributed in the hope that it will be useful,
  17 dnl  but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 dnl  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 dnl  GNU General Public License for more details.
  20 dnl
  21 dnl  You should have received a copy of the GNU General Public License
  22 dnl  along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  23
  24 AC_PREREQ(2.65)
  25 AC_INIT(emacs, 24.0.50)
  26 AC_CONFIG_HEADER(src/config.h:src/config.in)
  27 AC_CONFIG_SRCDIR(src/lisp.h)
  28 AM_INIT_AUTOMAKE
  29
  30 dnl Support for --program-prefix, --program-suffix and
  31 dnl --program-transform-name options
  32 AC_ARG_PROGRAM
  33
  34 dnl It is important that variables on the RHS not be expanded here,
  35 dnl hence the single quotes.  This is per the GNU coding standards, see
  36 dnl (autoconf) Installation Directory Variables
  37 dnl See also epaths.h below.
  38 lispdir='${datadir}/emacs/${version}/lisp'
  39 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
  40 '${datadir}/emacs/site-lisp'
  41 lisppath='${locallisppath}:${lispdir}:${datadir}/emacs/${version}/leim'
  42 etcdir='${datadir}/emacs/${version}/etc'
  43 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
  44 docdir='${datadir}/emacs/${version}/etc'
  45 gamedir='${localstatedir}/games/emacs'
  46
  47 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
  48 dnl Create a new --with option that defaults to being disabled.
  49 dnl NAME is the base name of the option.  The shell variable with_NAME
  50 dnl   will be set to either the user's value (if the option is
  51 dnl   specified; 'yes' for a plain --with-NAME) or to 'no' (if the
  52 dnl   option is not specified).  Note that the shell variable name is
  53 dnl   constructed as autoconf does, by replacing non-alphanumeric
  54 dnl   characters with "_".
  55 dnl HELP-STRING is the help text for the option.
  56 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
  57   AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
  58     m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
  59 ])dnl
  60
  61 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
  62 dnl Create a new --with option that defaults to being enabled.  NAME
  63 dnl   is the base name of the option.  The shell variable with_NAME
  64 dnl   will be set either to 'no' (for a plain --without-NAME) or to
  65 dnl   'yes' (if the option is not specified).  Note that the shell
  66 dnl   variable name is constructed as autoconf does, by replacing
  67 dnl   non-alphanumeric characters with "_".
  68 dnl HELP-STRING is the help text for the option.
  69 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
  70   AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
  71    m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=yes])dnl
  72 ])dnl
  73
  74 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
  75 if test "$with_pop" = yes; then
  76    AC_DEFINE(MAIL_USE_POP)
  77 fi
  78 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
  79
  80 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
  81 if test "$with_kerberos" != no; then
  82    AC_DEFINE(KERBEROS)
  83 fi
  84 AH_TEMPLATE(KERBEROS,
  85             [Define to support Kerberos-authenticated POP mail retrieval.])dnl
  86
  87 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
  88 if test "${with_kerberos5}" != no; then
  89   if test "${with_kerberos}" = no; then
  90     with_kerberos=yes
  91     AC_DEFINE(KERBEROS)
  92   fi
  93   AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
  94 fi
  95
  96 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
  97 dnl FIXME hesiod support may not be present, so it seems like an error
  98 dnl to define, or at least use, this unconditionally.
  99 if test "$with_hesiod" != no; then
 100   AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
 101 fi
 102
 103 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
 104 if test "$with_mmdf" != no; then
 105    AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
 106 fi
 107
 108 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
 109 if test "$with_mail_unlink" != no; then
 110    AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
 111 fi
 112
 113 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
 114     [string giving default POP mail host])],
 115     AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
 116
 117 OPTION_DEFAULT_ON([sound],[don't compile with sound support])
 118
 119 OPTION_DEFAULT_ON([sync-input],[process async input synchronously])
 120 if test "$with_sync_input" = yes; then
 121    AC_DEFINE(SYNC_INPUT, 1, [Process async input synchronously.])
 122 fi
 123
 124 dnl FIXME currently it is not the last.
 125 dnl This should be the last --with option, because --with-x is
 126 dnl added later on when we find the path of X, and it's best to
 127 dnl keep them together visually.
 128 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
 129  [use an X toolkit (KIT one of: yes or gtk, gtk3, lucid or athena, motif, no)])],
 130 [         case "${withval}" in
 131             y | ye | yes )      val=gtk ;;
 132             n | no )            val=no  ;;
 133             l | lu | luc | luci | lucid )       val=lucid ;;
 134             a | at | ath | athe | athen | athena )      val=athena ;;
 135             m | mo | mot | moti | motif )       val=motif ;;
 136             g | gt | gtk  )     val=gtk ;;
 137             gtk3  )     val=gtk3 ;;
 138             * )
 139 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
 140 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk' or
 141 `gtk3'.  `yes' and `gtk' are synonyms. `athena' and `lucid' are synonyms.])
 142             ;;
 143           esac
 144           with_x_toolkit=$val
 145 ])
 146
 147 dnl _ON results in a '--without' option in the --help output, so
 148 dnl the help text should refer to "don't compile", etc.
 149 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
 150 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
 151 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
 152 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
 153 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
 154 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
 155 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
 156 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
 157
 158 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
 159 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
 160 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
 161
 162 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
 163 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
 164 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
 165 OPTION_DEFAULT_OFF([ns],[use nextstep (Cocoa or GNUstep) windowing system])
 166
 167 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
 168 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
 169 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
 170 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
 171 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
 172
 173 ## For the times when you want to build Emacs but don't have
 174 ## a suitable makeinfo, and can live without the manuals.
 175 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
 176 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
 177
 178 ## This is an option because I do not know if all info/man support
 179 ## compressed files, nor how to test if they do so.
 180 OPTION_DEFAULT_ON([compress-info],[don't compress the installed Info pages])
 181 if test $with_compress_info = yes; then
 182    GZIP_INFO=yes
 183 else
 184    GZIP_INFO=
 185 fi
 186 AC_SUBST(GZIP_INFO)
 187
 188 AC_ARG_WITH([pkg-config-prog],dnl
 189 [AS_HELP_STRING([--with-pkg-config-prog=PATH],
 190                   [path to pkg-config for finding GTK and librsvg])])
 191 if test "X${with_pkg_config_prog}" != X; then
 192    if test "${with_pkg_config_prog}" != yes; then
 193       PKG_CONFIG="${with_pkg_config_prog}"
 194    fi
 195 fi
 196
 197 CRT_DIR=
 198 AC_ARG_WITH([crt-dir],dnl
 199 [AS_HELP_STRING([--with-crt-dir=DIR],[directory containing crtn.o etc.
 200 The default is /usr/lib, or /usr/lib64 on some platforms.])])
 201 CRT_DIR="${with_crt_dir}"
 202
 203 AC_ARG_WITH(gameuser,dnl
 204 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
 205 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
 206   && gameuser="${with_gameuser}"
 207 test "X$gameuser" = X && gameuser=games
 208
 209 AC_ARG_WITH([gnustep-conf],dnl
 210 [AS_HELP_STRING([--with-gnustep-conf=PATH],[path to GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
 211 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
 212   GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
 213 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
 214      GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
 215
 216 AC_ARG_ENABLE(ns-self-contained,
 217 [AS_HELP_STRING([--disable-ns-self-contained],
 218                 [disable self contained build under NeXTstep])],
 219    EN_NS_SELF_CONTAINED=$enableval,
 220    EN_NS_SELF_CONTAINED=yes)
 221
 222 AC_ARG_ENABLE(asserts,
 223 [AS_HELP_STRING([--enable-asserts], [compile code with asserts enabled])],
 224       USE_XASSERTS=$enableval,
 225       USE_XASSERTS=no)
 226
 227 AC_ARG_ENABLE(maintainer-mode,
 228 [AS_HELP_STRING([--enable-maintainer-mode],
 229                 [enable make rules and dependencies not useful (and sometimes
 230                  confusing) to the casual installer])],
 231       USE_MAINTAINER_MODE=$enableval,
 232       USE_MAINTAINER_MODE=no)
 233 if test $USE_MAINTAINER_MODE = yes; then
 234   MAINT=
 235 else
 236   MAINT=#
 237 fi
 238 AC_SUBST(MAINT)
 239
 240 AC_ARG_ENABLE(locallisppath,
 241 [AS_HELP_STRING([--enable-locallisppath=PATH],
 242                 [directories Emacs should search for lisp files specific
 243                  to this site])],
 244 if test "${enableval}" = "no"; then
 245   locallisppath=
 246 elif test "${enableval}" != "yes"; then
 247   locallisppath=${enableval}
 248 fi)
 249
 250 AC_ARG_ENABLE(checking,
 251 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
 252                 [enable expensive run-time checks.  With LIST,
 253                  enable only specific categories of checks.
 254                  Categories are: all,yes,no.
 255                  Flags are: stringbytes, stringoverrun, stringfreelist,
 256                  xmallocoverrun, conslist])],
 257 [ac_checking_flags="${enableval}"],[])
 258 IFS="${IFS=     }"; ac_save_IFS="$IFS"; IFS="$IFS,"
 259 for check in $ac_checking_flags
 260 do
 261         case $check in
 262         # these set all the flags to specific states
 263         yes)            ac_enable_checking=1 ;;
 264         no)             ac_enable_checking= ;
 265                         ac_gc_check_stringbytes= ;
 266                         ac_gc_check_string_overrun= ;
 267                         ac_gc_check_string_free_list= ;
 268                         ac_xmalloc_overrun= ;
 269                         ac_gc_check_cons_list= ;;
 270         all)            ac_enable_checking=1 ;
 271                         ac_gc_check_stringbytes=1 ;
 272                         ac_gc_check_string_overrun=1 ;
 273                         ac_gc_check_string_free_list=1 ;
 274                         ac_xmalloc_overrun=1 ;
 275                         ac_gc_check_cons_list=1 ;;
 276         # these enable particular checks
 277         stringbytes)    ac_gc_check_stringbytes=1 ;;
 278         stringoverrun)  ac_gc_check_string_overrun=1 ;;
 279         stringfreelist) ac_gc_check_string_free_list=1 ;;
 280         xmallocoverrun) ac_xmalloc_overrun=1 ;;
 281         conslist)       ac_gc_check_cons_list=1 ;;
 282         *)      AC_MSG_ERROR(unknown check category $check) ;;
 283         esac
 284 done
 285 IFS="$ac_save_IFS"
 286
 287 if test x$ac_enable_checking != x ; then
 288   AC_DEFINE(ENABLE_CHECKING, 1,
 289 [Enable expensive run-time checking of data types?])
 290 fi
 291 if test x$ac_gc_check_stringbytes != x ; then
 292   AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
 293 [Define this temporarily to hunt a bug.  If defined, the size of
 294    strings is redundantly recorded in sdata structures so that it can
 295    be compared to the sizes recorded in Lisp strings.])
 296 fi
 297 if test x$ac_gc_check_stringoverrun != x ; then
 298   AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
 299 [Define this to check for short string overrun.])
 300 fi
 301 if test x$ac_gc_check_string_free_list != x ; then
 302   AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
 303 [Define this to check the string free list.])
 304 fi
 305 if test x$ac_xmalloc_overrun != x ; then
 306   AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
 307 [Define this to check for malloc buffer overrun.])
 308 fi
 309 if test x$ac_gc_check_cons_list != x ; then
 310   AC_DEFINE(GC_CHECK_CONS_LIST, 1,
 311 [Define this to check for errors in cons list.])
 312 fi
 313
 314 AC_ARG_ENABLE(use-lisp-union-type,
 315 [AS_HELP_STRING([--enable-use-lisp-union-type],
 316                 [use a union for the Lisp_Object data type.
 317                 This is only useful for development for catching certain types of bugs.])],
 318 if test "${enableval}" != "no"; then
 319    AC_DEFINE(USE_LISP_UNION_TYPE, 1,
 320    [Define this to use a lisp union for the Lisp_Object data type.])
 321 fi)
 322
 323
 324 AC_ARG_ENABLE(profiling,
 325 [AS_HELP_STRING([--enable-profiling],
 326                 [build emacs with profiling support.
 327                  This might not work on all platforms])],
 328 [ac_enable_profiling="${enableval}"],[])
 329 if test x$ac_enable_profiling != x ; then
 330    PROFILING_CFLAGS="-DPROFILING=1 -pg"
 331 else
 332    PROFILING_CFLAGS=
 333 fi
 334 AC_SUBST(PROFILING_CFLAGS)
 335
 336 AC_ARG_ENABLE(autodepend,
 337 [AS_HELP_STRING([--enable-autodepend],
 338                 [automatically generate dependencies to .h-files.
 339                  Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
 340                  found])],
 341 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
 342
 343 #### Make srcdir absolute, if it isn't already.  It's important to
 344 #### avoid running the path through pwd unnecessarily, since pwd can
 345 #### give you automounter prefixes, which can go away.  We do all this
 346 #### so Emacs can find its files when run uninstalled.
 347 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
 348 unset CDPATH
 349 case "${srcdir}" in
 350   /* ) ;;
 351   . )
 352     ## We may be able to use the $PWD environment variable to make this
 353     ## absolute.  But sometimes PWD is inaccurate.
 354     ## Note: we used to use ${PWD} at the end instead of `pwd`,
 355     ## but that tested only for a well-formed and valid PWD,
 356     ## it did not object when PWD was well-formed and valid but just wrong.
 357     if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`"  ;
 358     then
 359       srcdir="$PWD"
 360     else
 361       srcdir="`(cd ${srcdir}; pwd)`"
 362     fi
 363   ;;
 364   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
 365 esac
 366
 367 #### Check if the source directory already has a configured system in it.
 368 if test `pwd` != `(cd ${srcdir} && pwd)` \
 369    && test -f "${srcdir}/src/config.h" ; then
 370   AC_MSG_WARN([[The directory tree `${srcdir}' is being used
 371    as a build directory right now; it has been configured in its own
 372    right.  To configure in another directory as well, you MUST
 373    use GNU make.  If you do not have GNU make, then you must
 374    now do `make distclean' in ${srcdir},
 375    and then run $0 again.]])
 376 fi
 377
 378 #### Given the configuration name, set machfile and opsysfile to the
 379 #### names of the m/*.h and s/*.h files we should use.
 380
 381 ### Canonicalize the configuration name.
 382
 383 AC_CANONICAL_HOST
 384 canonical=$host
 385 configuration=${host_alias-${build_alias-$host}}
 386
 387 dnl This used to use changequote, but, apart from `changequote is evil'
 388 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
 389 dnl the great gob of text.  Thus it's not processed for possible expansion.
 390 dnl Just make sure the brackets remain balanced.
 391 dnl
 392 dnl Since Emacs can't find matching pairs of quotes, boundaries are
 393 dnl indicated by comments.
 394 dnl quotation begins
 395 [
 396
 397 ### If you add support for a new configuration, add code to this
 398 ### switch statement to recognize your configuration name and select
 399 ### the appropriate operating system and machine description files.
 400
 401 ### You would hope that you could choose an m/*.h file pretty much
 402 ### based on the machine portion of the configuration name, and an s/*.h
 403 ### file based on the operating system portion.  However, it turns out
 404 ### that each m/*.h file is pretty manufacturer-specific - for
 405 ### example mips.h is MIPS
 406 ### So we basically have to have a special case for each
 407 ### configuration name.
 408 ###
 409 ### As far as handling version numbers on operating systems is
 410 ### concerned, make sure things will fail in a fixable way.  If
 411 ### /etc/MACHINES doesn't say anything about version numbers, be
 412 ### prepared to handle anything reasonably.  If version numbers
 413 ### matter, be sure /etc/MACHINES says something about it.
 414
 415 machine='' opsys='' unported=no
 416 case "${canonical}" in
 417
 418   ## GNU/Linux ports
 419   *-*-linux-gnu*)
 420     opsys=gnu-linux
 421     case ${canonical} in
 422       alpha*)   machine=alpha ;;
 423       s390-*)   machine=ibms390 ;;
 424       s390x-*)  machine=ibms390x ;;
 425       powerpc*) machine=macppc ;;
 426       sparc*)   machine=sparc ;;
 427       ia64*)    machine=ia64 ;;
 428       m68k*)    machine=m68k ;;
 429       x86_64*)  machine=amdx86-64 ;;
 430     esac
 431   ;;
 432
 433   ## FreeBSD ports
 434   *-*-freebsd* )
 435     opsys=freebsd
 436     case "${canonical}" in
 437       alpha*)           machine=alpha ;;
 438       amd64-*|x86_64-*) machine=amdx86-64 ;;
 439       ia64-*)           machine=ia64 ;;
 440       i[3456]86-*)      machine=intel386 ;;
 441       powerpc-*)        machine=macppc ;;
 442       sparc-*)          machine=sparc ;;
 443       sparc64-*)        machine=sparc ;;
 444     esac
 445   ;;
 446
 447   ## FreeBSD kernel + glibc based userland
 448   *-*-kfreebsd*gnu* )
 449     opsys=gnu-kfreebsd
 450     case "${canonical}" in
 451       alpha*)           machine=alpha ;;
 452       amd64-*|x86_64-*) machine=amdx86-64 ;;
 453       ia64-*)           machine=ia64 ;;
 454       i[3456]86-*)      machine=intel386 ;;
 455       powerpc-*)        machine=macppc ;;
 456       sparc-*)          machine=sparc ;;
 457       sparc64-*)        machine=sparc ;;
 458     esac
 459   ;;
 460
 461   ## NetBSD ports
 462   *-*-netbsd* )
 463     opsys=netbsd
 464     case "${canonical}" in
 465       alpha*)      machine=alpha ;;
 466       x86_64-*)    machine=amdx86-64 ;;
 467       i[3456]86-*) machine=intel386 ;;
 468       m68k-*)      machine=m68k ;;
 469       powerpc-*)   machine=macppc ;;
 470       sparc*-)     machine=sparc ;;
 471       vax-*)       machine=vax ;;
 472     esac
 473   ;;
 474
 475   ## OpenBSD ports
 476   *-*-openbsd* )
 477     opsys=openbsd
 478     case "${canonical}" in
 479       alpha*)    machine=alpha ;;
 480       x86_64-*)  machine=amdx86-64 ;;
 481       i386-*)    machine=intel386 ;;
 482       powerpc-*) machine=macppc ;;
 483       sparc*)    machine=sparc ;;
 484       vax-*)     machine=vax ;;
 485     esac
 486   ;;
 487
 488   ## Apple Darwin / Mac OS X
 489   *-apple-darwin* )
 490     case "${canonical}" in
 491       i[3456]86-* )  machine=intel386 ;;
 492       powerpc-* )    machine=macppc ;;
 493       x86_64-* )     machine=amdx86-64 ;;
 494       * )            unported=yes ;;
 495     esac
 496     opsys=darwin
 497     # Define CPP as follows to make autoconf work correctly.
 498     CPP="${CC-cc} -E -no-cpp-precomp"
 499     # Use fink packages if available.
 500     if test -d /sw/include && test -d /sw/lib; then
 501       GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
 502       CPP="${CPP} ${GCC_TEST_OPTIONS}"
 503       NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
 504     fi
 505   ;;
 506
 507   ## HP 9000 series 700 and 800, running HP/UX
 508   hppa*-hp-hpux10.2* )
 509     opsys=hpux10-20
 510   ;;
 511   hppa*-hp-hpux1[1-9]* )
 512     opsys=hpux11
 513     CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
 514   ;;
 515
 516   ia64*-hp-hpux1[1-9]* )
 517     machine=hp800 opsys=hpux11
 518     ## FIXME.  Peter O'Gorman reports that dumping using unexelf.o doesn't
 519     ## work either: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=6811
 520     CANNOT_DUMP=yes
 521   ;;
 522
 523   hppa*-*-linux-gnu* )
 524     machine=hp800 opsys=gnu-linux
 525   ;;
 526
 527   ## IBM machines
 528   rs6000-ibm-aix4.[23]* )
 529     machine=ibmrs6000 opsys=aix4-2
 530   ;;
 531   powerpc-ibm-aix4.[23]*  )
 532     machine=ibmrs6000 opsys=aix4-2
 533   ;;
 534   rs6000-ibm-aix[56]* )
 535     machine=ibmrs6000 opsys=aix4-2
 536   ;;
 537   powerpc-ibm-aix[56]*  )
 538     machine=ibmrs6000 opsys=aix4-2
 539   ;;
 540
 541   ## Silicon Graphics machines
 542   ## Iris 4D
 543   mips-sgi-irix6.5 )
 544     machine=iris4d opsys=irix6-5
 545     # Without defining _LANGUAGE_C, things get masked out in the headers
 546     # so that, for instance, grepping for `free' in stdlib.h fails and
 547     # AC_HEADER_STD_C fails.   (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
 548     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 549     NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
 550   ;;
 551
 552   ## Suns
 553   *-sun-solaris* \
 554     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
 555     | x86_64-*-solaris2*    | x86_64-*-sunos5*)
 556     case "${canonical}" in
 557       i[3456]86-*-* )     machine=intel386 ;;
 558       amd64-*-*|x86_64-*-*)     machine=amdx86-64 ;;
 559       sparc* )          machine=sparc ;;
 560       * )               unported=yes ;;
 561     esac
 562     case "${canonical}" in
 563       *-sunos5.6* | *-solaris2.6* )
 564                 opsys=sol2-6
 565                 NON_GNU_CPP=/usr/ccs/lib/cpp
 566                 RANLIB="ar -ts"
 567                 ;;
 568       *-sunos5.[7-9]* | *-solaris2.[7-9]* )
 569                 opsys=sol2-6
 570                 emacs_check_sunpro_c=yes
 571                 NON_GNU_CPP=/usr/ccs/lib/cpp
 572                 ;;
 573       *-sunos5* | *-solaris* )
 574                 opsys=sol2-10
 575                 emacs_check_sunpro_c=yes
 576                 NON_GNU_CPP=/usr/ccs/lib/cpp
 577                 ;;
 578     esac
 579     ## Watch out for a compiler that we know will not work.
 580     case "${canonical}" in
 581      *-solaris* | *-sunos5* )
 582                 if [ "x$CC" = x/usr/ucb/cc ]; then
 583                   ## /usr/ucb/cc doesn't work;
 584                   ## we should find some other compiler that does work.
 585                   unset CC
 586                 fi
 587                 ;;
 588       *) ;;
 589     esac
 590   ;;
 591
 592   ## Intel 386 machines where we don't care about the manufacturer.
 593   i[3456]86-*-* )
 594     machine=intel386
 595     case "${canonical}" in
 596       *-cygwin )                opsys=cygwin ;;
 597       *-darwin* )               opsys=darwin
 598                                 CPP="${CC-cc} -E -no-cpp-precomp"
 599                                 ;;
 600       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
 601       *-sysv5uw* )              opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
 602       *-sysv5OpenUNIX* )        opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
 603       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
 604     esac
 605   ;;
 606
 607   * )
 608     unported=yes
 609   ;;
 610 esac
 611
 612 ### If the code above didn't choose an operating system, just choose
 613 ### an operating system based on the configuration name.  You really
 614 ### only want to use this when you have no idea what the right
 615 ### operating system is; if you know what operating systems a machine
 616 ### runs, it's cleaner to make it explicit in the case statement
 617 ### above.
 618 if test x"${opsys}" = x; then
 619   case "${canonical}" in
 620     *-gnu* )                            opsys=gnu ;;
 621     * )
 622       unported=yes
 623     ;;
 624   esac
 625 fi
 626
 627 ]
 628 dnl quotation ends
 629
 630 if test $unported = yes; then
 631   AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
 632 Check `etc/MACHINES' for recognized configuration names.])
 633 fi
 634
 635 if test -n "$machine"; then
 636   machfile="m/${machine}.h"
 637 else
 638   machfile=
 639 fi
 640 opsysfile="s/${opsys}.h"
 641
 642
 643 #### Choose a compiler.
 644 test -n "$CC" && cc_specified=yes
 645
 646 # Save the value of CFLAGS that the user specified.
 647 SPECIFIED_CFLAGS="$CFLAGS"
 648
 649 dnl Sets GCC=yes if using gcc.
 650 AC_PROG_CC
 651 AM_PROG_CC_C_O
 652
 653 # Initialize gnulib right after verifying that the C compiler works.
 654 gl_EARLY
 655
 656 # On Suns, sometimes $CPP names a directory.
 657 if test -n "$CPP" && test -d "$CPP"; then
 658   CPP=
 659 fi
 660
 661 ## If not using gcc, and on Solaris, and no CPP specified, see if
 662 ## using a Sun compiler, which needs -Xs to prevent whitespace.
 663 if test x"$GCC" != xyes && test x"$emacs_check_sunpro_c" = xyes && \
 664  test x"$CPP" = x; then
 665   AC_MSG_CHECKING([whether we are using a Sun C compiler])
 666   AC_CACHE_VAL(emacs_cv_sunpro_c,
 667   [AC_TRY_LINK([],
 668 [#ifndef __SUNPRO_C
 669 fail;
 670 #endif
 671 ], emacs_cv_sunpro_c=yes, emacs_cv_sunpro_c=no)])
 672   AC_MSG_RESULT($emacs_cv_sunpro_c)
 673
 674   if test x"$emacs_cv_sunpro_c" = xyes; then
 675     NON_GNU_CPP="$CC -E -Xs"
 676   fi
 677 fi
 678
 679 #### Some systems specify a CPP to use unless we are using GCC.
 680 #### Now that we know whether we are using GCC, we can decide whether
 681 #### to use that one.
 682 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
 683 then
 684   CPP="$NON_GNU_CPP"
 685 fi
 686
 687 #### Some systems specify a CC to use unless we are using GCC.
 688 #### Now that we know whether we are using GCC, we can decide whether
 689 #### to use that one.
 690 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
 691   test x$cc_specified != xyes
 692 then
 693   CC="$NON_GNU_CC"
 694 fi
 695
 696 if test x$GCC = xyes; then
 697   test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
 698 else
 699   test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
 700 fi
 701
 702 ### Use -Wdeclaration-after-statement if the compiler supports it
 703 AC_MSG_CHECKING([whether gcc understands -Wdeclaration-after-statement])
 704 SAVE_CFLAGS="$CFLAGS"
 705 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
 706 AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)
 707 if test $has_option = yes; then
 708    C_WARNINGS_SWITCH="-Wdeclaration-after-statement $C_WARNINGS_SWITCH"
 709 fi
 710 AC_MSG_RESULT($has_option)
 711 CFLAGS="$SAVE_CFLAGS"
 712 unset has_option
 713 unset SAVE_CFLAGS
 714
 715 ### Use -Wold-style-definition if the compiler supports it
 716 # This can be removed when conversion to standard C is finished.
 717 AC_MSG_CHECKING([whether gcc understands -Wold-style-definition])
 718 SAVE_CFLAGS="$CFLAGS"
 719 CFLAGS="$CFLAGS -Wold-style-definition"
 720 AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)
 721 if test $has_option = yes; then
 722    C_WARNINGS_SWITCH="-Wold-style-definition $C_WARNINGS_SWITCH"
 723 fi
 724 AC_MSG_RESULT($has_option)
 725 CFLAGS="$SAVE_CFLAGS"
 726 unset has_option
 727 unset SAVE_CFLAGS
 728
 729 ### Use -Wimplicit-function-declaration if the compiler supports it
 730 AC_MSG_CHECKING([whether gcc understands -Wimplicit-function-declaration])
 731 SAVE_CFLAGS="$CFLAGS"
 732 CFLAGS="$CFLAGS -Wimplicit-function-declaration"
 733 AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)
 734 if test $has_option = yes; then
 735    C_WARNINGS_SWITCH="-Wimplicit-function-declaration $C_WARNINGS_SWITCH"
 736 fi
 737 AC_MSG_RESULT($has_option)
 738 CFLAGS="$SAVE_CFLAGS"
 739 unset has_option
 740 unset SAVE_CFLAGS
 741
 742 AC_SUBST(C_WARNINGS_SWITCH)
 743
 744
 745 #### Some other nice autoconf tests.
 746
 747 dnl checks for programs
 748 AC_PROG_CPP
 749 AC_PROG_INSTALL
 750 if test "x$RANLIB" = x; then
 751   AC_PROG_RANLIB
 752 fi
 753
 754 ## Although we're running on an amd64 kernel, we're actually compiling for
 755 ## the x86 architecture.  The user should probably have provided an
 756 ## explicit --build to `configure', but if everything else than the kernel
 757 ## is running in i386 mode, we can help them out.
 758 if test "$machine" = "amdx86-64"; then
 759   AC_CHECK_DECL([i386])
 760   if test "$ac_cv_have_decl_i386" = "yes"; then
 761     canonical=`echo "$canonical" | sed -e 's/^amd64/i386/' -e 's/^x86_64/i386/'`
 762     machine=intel386
 763     machfile="m/${machine}.h"
 764   fi
 765 fi
 766
 767 AC_PATH_PROG(INSTALL_INFO, install-info)
 768 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
 769 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
 770 dnl Don't use GZIP, which is used by gzip for additional parameters.
 771 AC_PATH_PROG(GZIP_PROG, gzip)
 772
 773
 774 ## Need makeinfo >= 4.6 (?) to build the manuals.
 775 AC_PATH_PROG(MAKEINFO, makeinfo, no)
 776 dnl By this stage, configure has already checked for egrep and set EGREP,
 777 dnl or exited with an error if no egrep was found.
 778 if test "$MAKEINFO" != "no" && \
 779   test x"`$MAKEINFO --version 2> /dev/null | $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[6-9]]|4\.[[1-5]][[0-9]]+)'`" = x; then
 780    MAKEINFO=no
 781 fi
 782
 783 ## Makeinfo is unusual.  For a released Emacs, the manuals are
 784 ## pre-built, and not deleted by the normal clean rules.  makeinfo is
 785 ## therefore in the category of "special tools" not normally required, which
 786 ## configure does not have to check for (eg autoconf itself).
 787 ## In a Bazaar checkout on the other hand, the manuals are not included.
 788 ## So makeinfo is a requirement to build from Bazaar, and configure
 789 ## should test for it as it does for any other build requirement.
 790 ## We use the presence of $srcdir/info/emacs to distinguish a release,
 791 ## with pre-built manuals, from a Bazaar checkout.
 792 HAVE_MAKEINFO=yes
 793
 794 if test "$MAKEINFO" = "no"; then
 795   MAKEINFO=makeinfo
 796   if test "x${with_makeinfo}" = "xno"; then
 797     HAVE_MAKEINFO=no
 798   elif test ! -e $srcdir/info/emacs; then
 799     AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.6, and your
 800 source tree does not seem to have pre-built manuals in the `info' directory.
 801 Either install a suitable version of makeinfo, or re-run configure
 802 with the `--without-makeinfo' option to build without the manuals.] )
 803   fi
 804 fi
 805 AC_SUBST(HAVE_MAKEINFO)
 806
 807 dnl Add our options to ac_link now, after it is set up.
 808
 809 if test x$GCC = xyes; then
 810   test "x$GCC_LINK_TEST_OPTIONS" != x && \
 811     ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
 812 else
 813   test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
 814     ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
 815 fi
 816
 817 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
 818 dnl If we can link with the flag, it shouldn't do any harm anyhow.
 819 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
 820 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
 821 dnl if not built to support GNU ld.
 822
 823 late_LDFLAGS=$LDFLAGS
 824 if test x$GCC = xyes; then
 825   LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
 826 else
 827   LDFLAGS="$LDFLAGS -znocombreloc"
 828 fi
 829
 830 AC_MSG_CHECKING([for -znocombreloc])
 831 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
 832   [AC_MSG_RESULT(yes)],
 833   LDFLAGS=$late_LDFLAGS
 834   [AC_MSG_RESULT(no)])
 835
 836
 837 # The value of CPP is a quoted variable reference, so we need to do this
 838 # to get its actual value...
 839 CPP=`eval "echo $CPP"`
 840
 841
 842 dnl The function dump-emacs will not be defined and temacs will do
 843 dnl (load "loadup") automatically unless told otherwise.
 844 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
 845 case "$opsys" in
 846   your-opsys-here) CANNOT_DUMP=yes ;;
 847 esac
 848
 849 test "$CANNOT_DUMP" = "yes" && \
 850   AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
 851
 852 AC_SUBST(CANNOT_DUMP)
 853
 854
 855 UNEXEC_OBJ=unexelf.o
 856 case "$opsys" in
 857   # MSDOS uses unexcoff.o
 858   # MSWindows uses unexw32.o
 859   aix4-2)
 860    UNEXEC_OBJ=unexaix.o
 861    ;;
 862   cygwin)
 863    UNEXEC_OBJ=unexcw.o
 864    ;;
 865   darwin)
 866    UNEXEC_OBJ=unexmacosx.o
 867    ;;
 868   hpux10-20 | hpux11)
 869    UNEXEC_OBJ=unexhp9k800.o
 870    ;;
 871   sol2-10)
 872    # Use the Solaris dldump() function, called from unexsol.c, to dump
 873    # emacs, instead of the generic ELF dump code found in unexelf.c.
 874    # The resulting binary has a complete symbol table, and is better
 875    # for debugging and other observability tools (debuggers, pstack, etc).
 876    #
 877    # If you encounter a problem using dldump(), please consider sending
 878    # a message to the OpenSolaris tools-linking mailing list:
 879    #      http://mail.opensolaris.org/mailman/listinfo/tools-linking
 880    #
 881    # It is likely that dldump() works with older Solaris too, but this has
 882    # not been tested, so for now this change is for Solaris 10 or newer.
 883    UNEXEC_OBJ=unexsol.o
 884    ;;
 885 esac
 886
 887 LD_SWITCH_SYSTEM=
 888 case "$opsys" in
 889   freebsd)
 890    ## Let `ld' find image libs and similar things in /usr/local/lib.
 891    ## The system compiler, GCC, has apparently been modified to not
 892    ## look there, contrary to what a stock GCC would do.
 893    LD_SWITCH_SYSTEM=-L/usr/local/lib
 894    ;;
 895
 896   gnu-linux)
 897    ## cpp test was "ifdef __mips__", but presumably this is equivalent...
 898    case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
 899    ;;
 900
 901   netbsd)
 902    LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
 903    ;;
 904
 905   openbsd)
 906    ## Han Boetes <han@mijncomputer.nl> says this is necessary,
 907    ## otherwise Emacs dumps core on elf systems.
 908    LD_SWITCH_SYSTEM="-Z"
 909    ;;
 910 esac
 911 AC_SUBST(LD_SWITCH_SYSTEM)
 912
 913 ac_link="$ac_link $LD_SWITCH_SYSTEM"
 914
 915 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_AUX,
 916 ## which has not been defined yet.  When this was handled with cpp,
 917 ## it was expanded to null when configure sourced the s/*.h file.
 918 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
 919 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
 920 ## (or somesuch), but because it is supposed to go at the _front_
 921 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
 922 ## Compare with the gnu-linux case below, which added to the end
 923 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
 924 ## LD_SWITCH_SYSTEM_TEMACS.
 925 case "$opsys" in
 926   netbsd|openbsd)
 927    ## _AUX_RPATH is like _AUX, but uses -rpath instead of -R.
 928    LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_AUX_RPATH) $LD_SWITCH_SYSTEM" ;;
 929 esac
 930
 931
 932 C_SWITCH_MACHINE=
 933 if test "$machine" = "alpha"; then
 934   AC_CHECK_DECL([__ELF__])
 935   if test "$ac_cv_have_decl___ELF__" = "yes"; then
 936     ## With ELF, make sure that all common symbols get allocated to in the
 937     ## data section.  Otherwise, the dump of temacs may miss variables in
 938     ## the shared library that have been initialized.  For example, with
 939     ## GNU libc, __malloc_initialized would normally be resolved to the
 940     ## shared library's .bss section, which is fatal.
 941     if test "x$GCC" = "xyes"; then
 942       C_SWITCH_MACHINE="-fno-common"
 943     else
 944       AC_MSG_ERROR([What gives?  Fix me if DEC Unix supports ELF now.])
 945     fi
 946   else
 947     UNEXEC_OBJ=unexalpha.o
 948   fi
 949 fi
 950 AC_SUBST(C_SWITCH_MACHINE)
 951
 952 AC_SUBST(UNEXEC_OBJ)
 953
 954 C_SWITCH_SYSTEM=
 955 ## Some programs in src produce warnings saying certain subprograms
 956 ## are too complex and need a MAXMEM value greater than 2000 for
 957 ## additional optimization.  --nils@exp-math.uni-essen.de
 958 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
 959   C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
 960 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
 961 ## It is redundant in glibc2, since we define _GNU_SOURCE.
 962 AC_SUBST(C_SWITCH_SYSTEM)
 963
 964
 965 LIBS_SYSTEM=
 966 case "$opsys" in
 967   ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
 968   aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
 969
 970   freebsd) LIBS_SYSTEM="-lutil" ;;
 971
 972   hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
 973
 974   sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
 975
 976   ## Motif needs -lgen.
 977   unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
 978 esac
 979 AC_SUBST(LIBS_SYSTEM)
 980
 981
 982 ### Make sure subsequent tests use flags consistent with the build flags.
 983
 984 if test x"${OVERRIDE_CPPFLAGS}" != x; then
 985   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
 986 else
 987   CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
 988 fi
 989
 990 dnl Do this early because it can frob feature test macros for Unix-98 &c.
 991 AC_SYS_LARGEFILE
 992
 993
 994 ## If user specified a crt-dir, use that unconditionally.
 995 if test "X$CRT_DIR" = "X"; then
 996
 997   case "$canonical" in
 998     x86_64-*-linux-gnu* | s390x-*-linux-gnu*)
 999     ## On x86-64 and s390x GNU/Linux distributions, the standard library
1000     ## can be in a variety of places.  We only try /usr/lib64 and /usr/lib.
1001     ## For anything else (eg /usr/lib32), it is up the user to specify
1002     ## the location (bug#5655).
1003     ## Test for crtn.o, not just the directory, because sometimes the
1004     ## directory exists but does not have the relevant files (bug#1287).
1005     ## FIXME better to test for binary compatibility somehow.
1006     test -e /usr/lib64/crtn.o && CRT_DIR=/usr/lib64
1007     ;;
1008
1009     powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*) CRT_DIR=/usr/lib64 ;;
1010   esac
1011
1012   case "$opsys" in
1013     hpux10-20) CRT_DIR=/lib ;;
1014   esac
1015
1016   ## Default is /usr/lib.
1017   test "X$CRT_DIR" = "X" && CRT_DIR=/usr/lib
1018
1019 else
1020
1021   ## Some platforms don't use any of these files, so it is not
1022   ## appropriate to put this test outside the if block.
1023   test -e $CRT_DIR/crtn.o || test -e $CRT_DIR/crt0.o || \
1024     AC_MSG_ERROR([crt*.o not found in specified location.])
1025
1026 fi
1027
1028 AC_SUBST(CRT_DIR)
1029
1030 LIB_MATH=-lm
1031 LIB_STANDARD=
1032 START_FILES=
1033
1034 case $opsys in
1035   cygwin )
1036     LIB_MATH=
1037     START_FILES='pre-crt0.o'
1038     ;;
1039   darwin )
1040     ## Adding -lm confuses the dynamic linker, so omit it.
1041     LIB_MATH=
1042     START_FILES='pre-crt0.o'
1043     ;;
1044   freebsd )
1045     LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1046     START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1047     ;;
1048   gnu-linux | gnu-kfreebsd )
1049     LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o'
1050     START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o'
1051     ;;
1052   hpux10-20 | hpux11 )
1053     LIB_STANDARD=-lc
1054     START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o'
1055     ;;
1056   netbsd | openbsd )
1057     if test -f $CRT_DIR/crti.o; then
1058         LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1059         START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1060     else
1061         LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o'
1062         START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crtbegin.o'
1063     fi
1064     ;;
1065 esac
1066
1067 AC_SUBST(LIB_MATH)
1068 AC_SUBST(START_FILES)
1069
1070 dnl This function definition taken from Gnome 2.0
1071 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1072 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1073 dnl also defines GSTUFF_PKG_ERRORS on error
1074 AC_DEFUN([PKG_CHECK_MODULES], [
1075   succeeded=no
1076
1077   AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1078
1079   if test "$PKG_CONFIG" = "no" ; then
1080      ifelse([$4], , [AC_MSG_ERROR([
1081       *** The pkg-config script could not be found. Make sure it is in your path, or give the full path to pkg-config with the PKG_CONFIG environment variable or --with-pkg-config-prog.  Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config.])], [$4])
1082   else
1083      PKG_CONFIG_MIN_VERSION=0.9.0
1084      if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1085         AC_MSG_CHECKING(for $2)
1086
1087         if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD; then
1088             AC_MSG_RESULT(yes)
1089             succeeded=yes
1090
1091             AC_MSG_CHECKING($1_CFLAGS)
1092             $1_CFLAGS=`$PKG_CONFIG --cflags "$2"|sed -e 's,///*,/,g'`
1093             AC_MSG_RESULT($$1_CFLAGS)
1094
1095             AC_MSG_CHECKING($1_LIBS)
1096             $1_LIBS=`$PKG_CONFIG --libs "$2"|sed -e 's,///*,/,g'`
1097             AC_MSG_RESULT($$1_LIBS)
1098         else
1099             AC_MSG_RESULT(no)
1100             $1_CFLAGS=""
1101             $1_LIBS=""
1102             ## If we have a custom action on failure, don't print errors, but
1103             ## do set a variable so people can do so.
1104             $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1105             ifelse([$4], ,echo $$1_PKG_ERRORS,)
1106         fi
1107
1108         AC_SUBST($1_CFLAGS)
1109         AC_SUBST($1_LIBS)
1110      else
1111         echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1112         echo "*** See http://www.freedesktop.org/software/pkgconfig"
1113      fi
1114   fi
1115
1116   if test $succeeded = yes; then
1117      ifelse([$3], , :, [$3])
1118   else
1119      ifelse([$4], , [AC_MSG_ERROR([Library requirements ($2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.])], [$4])
1120   fi
1121 ])
1122
1123
1124 if test "${with_sound}" != "no"; then
1125   # Sound support for GNU/Linux and the free BSDs.
1126   AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h,
1127     have_sound_header=yes)
1128   # Emulation library used on NetBSD.
1129   AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1130   AC_SUBST(LIBSOUND)
1131
1132   ALSA_REQUIRED=1.0.0
1133   ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1134   PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1135   if test $HAVE_ALSA = yes; then
1136     SAVE_CFLAGS="$CFLAGS"
1137     SAVE_LDFLAGS="$LDFLAGS"
1138     CFLAGS="$ALSA_CFLAGS $CFLAGS"
1139     LDFLAGS="$ALSA_LIBS $LDFLAGS"
1140     AC_TRY_COMPILE([#include <asoundlib.h>], [snd_lib_error_set_handler (0);],
1141                     emacs_alsa_normal=yes,
1142                     emacs_alsa_normal=no)
1143     if test "$emacs_alsa_normal" != yes; then
1144       AC_TRY_COMPILE([#include <alsa/asoundlib.h>],
1145                      [snd_lib_error_set_handler (0);],
1146                      emacs_alsa_subdir=yes,
1147                      emacs_alsa_subdir=no)
1148       if test "$emacs_alsa_subdir" != yes; then
1149         AC_MSG_ERROR([pkg-config found alsa, but it does not compile.  See config.log for error messages.])
1150       fi
1151       ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1152     fi
1153
1154     CFLAGS="$SAVE_CFLAGS"
1155     LDFLAGS="$SAVE_LDFLAGS"
1156     LIBSOUND="$LIBSOUND $ALSA_LIBS"
1157     CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1158     AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1159   fi
1160
1161   dnl Define HAVE_SOUND if we have sound support.  We know it works and
1162   dnl compiles only on the specified platforms.  For others, it
1163   dnl probably doesn't make sense to try.
1164   if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1165      case "$opsys" in
1166        dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1167        gnu-linux|freebsd|netbsd)
1168          AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1169          ;;
1170      esac
1171   fi
1172
1173   AC_SUBST(CFLAGS_SOUND)
1174 fi
1175
1176 dnl checks for header files
1177 AC_CHECK_HEADERS(sys/select.h sys/time.h unistd.h utime.h \
1178   linux/version.h sys/systeminfo.h limits.h \
1179   stdio_ext.h fcntl.h coff.h pty.h sys/mman.h \
1180   sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1181   sys/utsname.h pwd.h utmp.h dirent.h util.h)
1182
1183 AC_MSG_CHECKING(if personality LINUX32 can be set)
1184 AC_TRY_COMPILE([#include <sys/personality.h>], [personality (PER_LINUX32)],
1185                emacs_cv_personality_linux32=yes,
1186                emacs_cv_personality_linux32=no)
1187 AC_MSG_RESULT($emacs_cv_personality_linux32)
1188
1189 if test $emacs_cv_personality_linux32 = yes; then
1190   AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1191             [Define to 1 if personality LINUX32 can be set.])
1192 fi
1193
1194 dnl On Solaris 8 there's a compilation warning for term.h because
1195 dnl it doesn't define `bool'.
1196 AC_CHECK_HEADERS(term.h, , , -)
1197 AC_HEADER_STDC
1198 AC_HEADER_TIME
1199 AC_CHECK_DECLS([sys_siglist])
1200 if test $ac_cv_have_decl_sys_siglist != yes; then
1201   # For Tru64, at least:
1202   AC_CHECK_DECLS([__sys_siglist])
1203   if test $ac_cv_have_decl___sys_siglist = yes; then
1204     AC_DEFINE(sys_siglist, __sys_siglist,
1205               [Define to any substitute for sys_siglist.])
1206   fi
1207 fi
1208 AC_HEADER_SYS_WAIT
1209
1210 dnl Some systems have utime.h but don't declare the struct anyplace.
1211 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1212 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1213 #include <sys/time.h>
1214 #include <time.h>
1215 #else
1216 #ifdef HAVE_SYS_TIME_H
1217 #include <sys/time.h>
1218 #else
1219 #include <time.h>
1220 #endif
1221 #endif
1222 #ifdef HAVE_UTIME_H
1223 #include <utime.h>
1224 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1225   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1226 if test $emacs_cv_struct_utimbuf = yes; then
1227   AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1228 fi
1229
1230 dnl checks for typedefs
1231 AC_TYPE_SIGNAL
1232
1233 dnl Check for speed_t typedef.
1234 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1235   [AC_TRY_COMPILE([#include <termios.h>], [speed_t x = 1;],
1236     emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1237 if test $emacs_cv_speed_t = yes; then
1238   AC_DEFINE(HAVE_SPEED_T, 1,
1239            [Define to 1 if `speed_t' is declared by <termios.h>.])
1240 fi
1241
1242 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1243 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1244 #include <sys/time.h>
1245 #include <time.h>
1246 #else
1247 #ifdef HAVE_SYS_TIME_H
1248 #include <sys/time.h>
1249 #else
1250 #include <time.h>
1251 #endif
1252 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1253   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1254 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1255 if test $emacs_cv_struct_timeval = yes; then
1256   AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1257 fi
1258
1259 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1260 AC_TRY_COMPILE([#include <math.h>],
1261 [static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;],
1262   emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1263 HAVE_EXCEPTION=$emacs_cv_struct_exception
1264 if test $emacs_cv_struct_exception != yes; then
1265   AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1266 fi
1267
1268 AC_CHECK_HEADERS(sys/socket.h)
1269 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1270 #if HAVE_SYS_SOCKET_H
1271 #include <sys/socket.h>
1272 #endif])
1273
1274 dnl checks for structure members
1275 AC_STRUCT_TM
1276 AC_STRUCT_TIMEZONE
1277 AC_CHECK_MEMBER(struct tm.tm_gmtoff,
1278                 [AC_DEFINE(HAVE_TM_GMTOFF, 1,
1279                            [Define to 1 if `tm_gmtoff' is member of `struct tm'.])],,
1280                 [#include <time.h>])
1281 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1282                   struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1283                   struct ifreq.ifr_addr], , ,
1284                  [AC_INCLUDES_DEFAULT
1285 #if HAVE_SYS_SOCKET_H
1286 #include <sys/socket.h>
1287 #endif
1288 #if HAVE_NET_IF_H
1289 #include <net/if.h>
1290 #endif])
1291
1292 dnl checks for compiler characteristics
1293
1294 dnl Testing __STDC__ to determine prototype support isn't good enough.
1295 dnl DEC C, for instance, doesn't define it with default options, and
1296 dnl is used on 64-bit systems (OSF Alphas).  Similarly for volatile
1297 dnl and void *.
1298 AC_C_PROTOTYPES
1299 AC_C_VOLATILE
1300 AC_C_CONST
1301 dnl This isn't useful because we can't turn on use of `inline' unless
1302 dnl the compiler groks `extern inline'.
1303 dnl AC_C_INLINE
1304 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1305   [AC_TRY_COMPILE(, [void * foo;],
1306                    emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1307 if test $emacs_cv_void_star = yes; then
1308   AC_DEFINE(POINTER_TYPE, void)
1309 else
1310   AC_DEFINE(POINTER_TYPE, char)
1311 fi
1312 AH_TEMPLATE(POINTER_TYPE,
1313             [Define as `void' if your compiler accepts `void *'; otherwise
1314              define as `char'.])dnl
1315
1316 dnl Check for endianess
1317 AC_C_BIGENDIAN
1318
1319 AC_CACHE_CHECK([for  __attribute__ ((__aligned__ (expr)))],
1320   [emacs_cv_attribute_aligned],
1321   [AC_COMPILE_IFELSE(
1322      [AC_LANG_PROGRAM(
1323         [[char __attribute__ ((__aligned__ (1 << 3))) c;]],
1324         [[]])],
1325      [emacs_cv_attribute_aligned=yes],
1326      [emacs_cv_attribute_aligned=no])])
1327 if test $emacs_cv_attribute_aligned = yes; then
1328   AC_DEFINE([HAVE_ATTRIBUTE_ALIGNED], 1,
1329     [Define to 1 if GCC-style __attribute__ ((__aligned__ (expr))) works.])
1330 fi
1331
1332 dnl check for Make feature
1333 AC_PROG_MAKE_SET
1334
1335 DEPFLAGS=
1336 MKDEPDIR=":"
1337 deps_frag=deps.mk
1338 dnl check for GNU Make if we have GCC and autodepend is on.
1339 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1340    AC_MSG_CHECKING([whether we are using GNU Make])
1341    HAVE_GNU_MAKE=no
1342    testval=`make --version 2>/dev/null | grep 'GNU Make'`
1343    if test "x$testval" != x; then
1344       HAVE_GNU_MAKE=yes
1345    else
1346       ac_enable_autodepend=no
1347    fi
1348    AC_MSG_RESULT([$HAVE_GNU_MAKE])
1349    if test $HAVE_GNU_MAKE = yes; then
1350       AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1351       SAVE_CFLAGS="$CFLAGS"
1352       CFLAGS="$CFLAGS -MMD -MF deps.d"
1353       AC_TRY_COMPILE([], [], , ac_enable_autodepend=no)
1354       CFLAGS="$SAVE_CFLAGS"
1355       test -f deps.d || ac_enable_autodepend=no
1356       rm -rf deps.d
1357       AC_MSG_RESULT([$ac_enable_autodepend])
1358    fi
1359    if test $ac_enable_autodepend = yes; then
1360       DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d'
1361       ## In parallel builds, another make might create depdir between
1362       ## the first test and mkdir, so stick another test on the end.
1363       ## Or use mkinstalldirs?  mkdir -p is not portable.
1364       MKDEPDIR='test -d ${DEPDIR} || mkdir ${DEPDIR} || test -d ${DEPDIR}'
1365       deps_frag=autodeps.mk
1366    fi
1367 fi
1368 deps_frag=$srcdir/src/$deps_frag
1369 AC_SUBST(MKDEPDIR)
1370 AC_SUBST(DEPFLAGS)
1371 AC_SUBST_FILE(deps_frag)
1372
1373
1374 dnl checks for operating system services
1375 AC_SYS_LONG_FILE_NAMES
1376
1377 #### Choose a window system.
1378
1379 AC_PATH_X
1380 if test "$no_x" = yes; then
1381   window_system=none
1382 else
1383   window_system=x11
1384 fi
1385
1386 ## Workaround for bug in autoconf <= 2.62.
1387 ## http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01551.html
1388 ## No need to do anything special for these standard directories.
1389 if test -n "${x_libraries}" && test x"${x_libraries}" != xNONE; then
1390
1391    x_libraries=`echo :${x_libraries}: | sed -e 's|:/usr/lib64:|:|g' -e 's|:/lib64:|:|g' -e 's|^:||' -e 's|:$||'`
1392
1393 fi
1394
1395 LD_SWITCH_X_SITE_AUX=
1396 LD_SWITCH_X_SITE_AUX_RPATH=
1397 if test "${x_libraries}" != NONE; then
1398   if test -n "${x_libraries}"; then
1399     LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1400     LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1401     LD_SWITCH_X_SITE_AUX_RPATH=`echo ${LD_SWITCH_X_SITE_AUX} | sed -e 's/-R/-Wl,-rpath,/'`
1402   fi
1403   x_default_search_path=""
1404   x_search_path=${x_libraries}
1405   if test -z "${x_search_path}"; then
1406     x_search_path=/usr/lib
1407   fi
1408   for x_library in `echo ${x_search_path}: | \
1409                     sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1410     x_search_path="\
1411 ${x_library}/X11/%L/%T/%N%C%S:\
1412 ${x_library}/X11/%l/%T/%N%C%S:\
1413 ${x_library}/X11/%T/%N%C%S:\
1414 ${x_library}/X11/%L/%T/%N%S:\
1415 ${x_library}/X11/%l/%T/%N%S:\
1416 ${x_library}/X11/%T/%N%S"
1417     if test x"${x_default_search_path}" = x; then
1418       x_default_search_path=${x_search_path}
1419     else
1420       x_default_search_path="${x_search_path}:${x_default_search_path}"
1421     fi
1422   done
1423 fi
1424 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1425 AC_SUBST(LD_SWITCH_X_SITE_AUX_RPATH)
1426
1427 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1428   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1429 fi
1430
1431 if test x"${x_includes}" = x; then
1432   bitmapdir=/usr/include/X11/bitmaps
1433 else
1434   # accumulate include directories that have X11 bitmap subdirectories
1435   bmd_acc="dummyval"
1436   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1437     if test -d "${bmd}/X11/bitmaps"; then
1438       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1439     fi
1440     if test -d "${bmd}/bitmaps"; then
1441       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1442     fi
1443   done
1444   if test ${bmd_acc} != "dummyval"; then
1445     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1446   fi
1447 fi
1448
1449 HAVE_NS=no
1450 NS_IMPL_COCOA=no
1451 NS_IMPL_GNUSTEP=no
1452 tmp_CPPFLAGS="$CPPFLAGS"
1453 tmp_CFLAGS="$CFLAGS"
1454 CPPFLAGS="$CPPFLAGS -x objective-c"
1455 CFLAGS="$CFLAGS -x objective-c"
1456 TEMACS_LDFLAGS2="\${LDFLAGS}"
1457 dnl I don't think it's especially important, but src/Makefile.in
1458 dnl (now the only user of ns_appdir) used to go to the trouble of adding a
1459 dnl trailing "/" to it, so now we do it here.
1460 if test "${with_ns}" != no; then
1461   if test "${opsys}" = darwin; then
1462      NS_IMPL_COCOA=yes
1463      ns_appdir=`pwd`/nextstep/Emacs.app
1464      ns_appbindir=${ns_appdir}/Contents/MacOS/
1465      ns_appresdir=${ns_appdir}/Contents/Resources
1466      ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base
1467   elif test -f $GNUSTEP_CONFIG_FILE; then
1468      NS_IMPL_GNUSTEP=yes
1469      ns_appdir=`pwd`/nextstep/Emacs.app
1470      ns_appbindir=${ns_appdir}/
1471      ns_appresdir=${ns_appdir}/Resources
1472      ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base
1473      dnl FIXME sourcing this several times in subshells seems inefficient.
1474      GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1475      GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1476      dnl I seemed to need these as well with GNUstep-startup 0.25.
1477      GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1478      GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1479      test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1480        GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1481      test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1482        GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1483      CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1484      CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1485      LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1486      LIB_STANDARD=
1487      START_FILES=
1488      TEMACS_LDFLAGS2=
1489   fi
1490   AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1491                   [AC_MSG_ERROR([`--with-ns' was specified, but the include
1492   files are missing or cannot be compiled.])])
1493   NS_HAVE_NSINTEGER=yes
1494   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1495                                      [NSInteger i;])],
1496                     ns_have_nsinteger=yes,
1497                     ns_have_nsinteger=no)
1498   if test $ns_have_nsinteger = no; then
1499     NS_HAVE_NSINTEGER=no
1500   fi
1501 fi
1502 AC_SUBST(TEMACS_LDFLAGS2)
1503
1504 ns_frag=/dev/null
1505 NS_OBJ=
1506 NS_OBJC_OBJ=
1507 NS_SUPPORT=
1508 if test "${HAVE_NS}" = yes; then
1509   window_system=nextstep
1510   with_xft=no
1511   # set up packaging dirs
1512   exec_prefix=${ns_appbindir}
1513   libexecdir=${ns_appbindir}/libexec
1514   if test "${EN_NS_SELF_CONTAINED}" = yes; then
1515      prefix=${ns_appresdir}
1516   fi
1517   ns_frag=$srcdir/src/ns.mk
1518   NS_OBJ="fontset.o fringe.o image.o"
1519   NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o"
1520   NS_SUPPORT="\${lispsource}/emacs-lisp/easymenu.elc \${lispsource}/term/ns-win.elc"
1521 fi
1522 CFLAGS="$tmp_CFLAGS"
1523 CPPFLAGS="$tmp_CPPFLAGS"
1524 AC_SUBST(NS_OBJ)
1525 AC_SUBST(NS_OBJC_OBJ)
1526 AC_SUBST(NS_SUPPORT)
1527 AC_SUBST(LIB_STANDARD)
1528 AC_SUBST_FILE(ns_frag)
1529
1530 case "${window_system}" in
1531   x11 )
1532     HAVE_X_WINDOWS=yes
1533     HAVE_X11=yes
1534     case "${with_x_toolkit}" in
1535       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1536       motif ) USE_X_TOOLKIT=MOTIF ;;
1537       gtk ) with_gtk=yes
1538 dnl Dont set this for GTK.  A lot of tests below assumes Xt when
1539 dnl USE_X_TOOLKIT is set.
1540             USE_X_TOOLKIT=none ;;
1541       gtk3 ) with_gtk3=yes
1542              USE_X_TOOLKIT=none ;;
1543       no ) USE_X_TOOLKIT=none ;;
1544 dnl If user did not say whether to use a toolkit, make this decision later:
1545 dnl use the toolkit if we have gtk, or X11R5 or newer.
1546       * ) USE_X_TOOLKIT=maybe ;;
1547     esac
1548   ;;
1549   nextstep | none )
1550     HAVE_X_WINDOWS=no
1551     HAVE_X11=no
1552     USE_X_TOOLKIT=none
1553   ;;
1554 esac
1555
1556 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1557    AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1558    if test "$HAVE_XSERVER" = true ||
1559       test -n "$DISPLAY" ||
1560       test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1561         AC_MSG_ERROR([You seem to be running X, but no X development libraries
1562 were found.  You should install the relevant development files for X
1563 and for the toolkit you want, such as Gtk+, Lesstif or Motif.  Also make
1564 sure you have development files for image handling, i.e.
1565 tiff, gif, jpeg, png and xpm.
1566 If you are sure you want Emacs compiled without X window support, pass
1567   --without-x
1568 to configure.])
1569    fi
1570 fi
1571
1572 ### If we're using X11, we should use the X menu package.
1573 HAVE_MENUS=no
1574 case ${HAVE_X11} in
1575   yes ) HAVE_MENUS=yes ;;
1576 esac
1577
1578 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1579 # Assume not, until told otherwise.
1580 GNU_MALLOC=yes
1581 doug_lea_malloc=yes
1582 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1583 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1584 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1585                emacs_cv_var___after_morecore_hook,
1586 [AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1587   emacs_cv_var___after_morecore_hook=yes,
1588   emacs_cv_var___after_morecore_hook=no)])
1589 if test $emacs_cv_var___after_morecore_hook = no; then
1590   doug_lea_malloc=no
1591 fi
1592
1593
1594 dnl See comments in aix4-2.h about maybe using system malloc there.
1595 system_malloc=no
1596 case "$opsys" in
1597   ## darwin ld insists on the use of malloc routines in the System framework.
1598   darwin|sol2-10) system_malloc=yes ;;
1599 esac
1600
1601 if test "${system_malloc}" = "yes"; then
1602   AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1603   GNU_MALLOC=no
1604   GNU_MALLOC_reason="
1605     (The GNU allocators don't work with this system configuration.)"
1606   GMALLOC_OBJ=
1607   VMLIMIT_OBJ=
1608 else
1609   test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1610   VMLIMIT_OBJ=vm-limit.o
1611 fi
1612 AC_SUBST(GMALLOC_OBJ)
1613 AC_SUBST(VMLIMIT_OBJ)
1614
1615 if test "$doug_lea_malloc" = "yes" ; then
1616   if test "$GNU_MALLOC" = yes ; then
1617     GNU_MALLOC_reason="
1618       (Using Doug Lea's new malloc from the GNU C Library.)"
1619   fi
1620   AC_DEFINE(DOUG_LEA_MALLOC, 1,
1621             [Define to 1 if you are using the GNU C Library.])
1622
1623   ## Use mmap directly for allocating larger buffers.
1624   ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1625   ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1626   ## Does the AC_FUNC_MMAP test below make this check unecessary?
1627   case "$opsys" in
1628     gnu*) REL_ALLOC=no ;;
1629   esac
1630 fi
1631
1632 if test x"${REL_ALLOC}" = x; then
1633   REL_ALLOC=${GNU_MALLOC}
1634 fi
1635
1636 use_mmap_for_buffers=no
1637 case "$opsys" in
1638   freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1639 esac
1640
1641 AC_FUNC_MMAP
1642 if test $use_mmap_for_buffers = yes; then
1643   AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1644   REL_ALLOC=no
1645 fi
1646
1647 LIBS="$LIBS_SYSTEM $LIBS"
1648
1649 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1650 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1651 AC_CHECK_LIB(dnet, dnet_ntoa)
1652 dnl This causes -lresolv to get used in subsequent tests,
1653 dnl which causes failures on some systems such as HPUX 9.
1654 dnl AC_CHECK_LIB(resolv, gethostbyname)
1655
1656 dnl FIXME replace main with a function we actually want from this library.
1657 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1658
1659 AC_CHECK_LIB(pthreads, cma_open)
1660
1661 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1662 ## HAVE_LIBPTHREADS.  That was not defined earlier in configure when
1663 ## the system file was sourced.  Hence the value of LIBS_SYSTEM
1664 ## added to LIBS in configure would never contain the pthreads part,
1665 ## but the value used in Makefiles might.  FIXME?
1666 ##
1667 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1668 ## be harmless on older versions of X where it happens to exist.
1669 test "$opsys" = "aix4-2" && \
1670   test $ac_cv_lib_pthreads_cma_open = yes && \
1671   LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1672
1673 dnl Check for need for bigtoc support on IBM AIX
1674
1675 case ${host_os} in
1676 aix*)
1677   AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1678     case $GCC in
1679     yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1680     *) gdb_cv_bigtoc=-bbigtoc ;;
1681     esac
1682
1683     LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1684     AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1685   ])
1686   ;;
1687 esac
1688
1689 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1690 # used for the tests that follow.  We set them back to REAL_CFLAGS and
1691 # REAL_CPPFLAGS later on.
1692
1693 REAL_CFLAGS="$CFLAGS"
1694 REAL_CPPFLAGS="$CPPFLAGS"
1695
1696 if test "${HAVE_X11}" = "yes"; then
1697   DEFS="$C_SWITCH_X_SITE $DEFS"
1698   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1699   LIBS="-lX11 $LIBS"
1700   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1701   CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1702
1703   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1704   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1705   # but it's more convenient here to set LD_RUN_PATH
1706   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1707   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1708     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1709     export LD_RUN_PATH
1710   fi
1711
1712   if test "${opsys}" = "gnu-linux"; then
1713     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1714     AC_TRY_LINK([],
1715      [XOpenDisplay ("foo");],
1716      [xlinux_first_failure=no],
1717      [xlinux_first_failure=yes])
1718     if test "${xlinux_first_failure}" = "yes"; then
1719       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1720       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1721       OLD_CPPFLAGS="$CPPFLAGS"
1722       OLD_LIBS="$LIBS"
1723       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1724       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1725       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1726       LIBS="$LIBS -b i486-linuxaout"
1727       AC_TRY_LINK([],
1728        [XOpenDisplay ("foo");],
1729        [xlinux_second_failure=no],
1730        [xlinux_second_failure=yes])
1731       if test "${xlinux_second_failure}" = "yes"; then
1732         # If we get the same failure with -b, there is no use adding -b.
1733         # So take it out.  This plays safe.
1734         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1735         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1736         CPPFLAGS="$OLD_CPPFLAGS"
1737         LIBS="$OLD_LIBS"
1738         AC_MSG_RESULT(no)
1739       else
1740         AC_MSG_RESULT(yes)
1741       fi
1742     else
1743       AC_MSG_RESULT(no)
1744     fi
1745   fi
1746
1747   # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1748   # header files included from there.
1749   AC_MSG_CHECKING(for Xkb)
1750   AC_TRY_LINK([#include <X11/Xlib.h>
1751 #include <X11/XKBlib.h>],
1752         [XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);],
1753         emacs_xkb=yes, emacs_xkb=no)
1754   AC_MSG_RESULT($emacs_xkb)
1755   if test $emacs_xkb = yes; then
1756     AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1757   fi
1758
1759   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1760 XScreenNumberOfScreen XSetWMProtocols)
1761 fi
1762
1763 if test "${window_system}" = "x11"; then
1764   AC_MSG_CHECKING(X11 version 6)
1765   AC_CACHE_VAL(emacs_cv_x11_version_6,
1766   [AC_TRY_LINK([#include <X11/Xlib.h>],
1767 [#if XlibSpecificationRelease < 6
1768 fail;
1769 #endif
1770 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1771   if test $emacs_cv_x11_version_6 = yes; then
1772     AC_MSG_RESULT(6 or newer)
1773     AC_DEFINE(HAVE_X11R6, 1,
1774               [Define to 1 if you have the X11R6 or newer version of Xlib.])
1775     AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1776     ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1777     ## XIM support.
1778     case "$opsys" in
1779       sol2-*) : ;;
1780       *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1781            [Define if you have usable X11R6-style XIM support.])
1782          ;;
1783     esac
1784   else
1785     AC_MSG_RESULT(before 6)
1786   fi
1787 fi
1788
1789
1790 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1791 HAVE_RSVG=no
1792 if test "${HAVE_X11}" = "yes" || test "${NS_IMPL_GNUSTEP}" = "yes"; then
1793   if test "${with_rsvg}" != "no"; then
1794     RSVG_REQUIRED=2.11.0
1795     RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1796
1797     PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
1798     AC_SUBST(RSVG_CFLAGS)
1799     AC_SUBST(RSVG_LIBS)
1800
1801     if test $HAVE_RSVG = yes; then
1802       AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1803       CFLAGS="$CFLAGS $RSVG_CFLAGS"
1804       LIBS="$RSVG_LIBS $LIBS"
1805     fi
1806   fi
1807 fi
1808
1809 HAVE_IMAGEMAGICK=no
1810 if test "${HAVE_X11}" = "yes"; then
1811   if test "${with_imagemagick}" != "no"; then
1812     IMAGEMAGICK_MODULE="Wand"
1813     PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
1814     AC_SUBST(IMAGEMAGICK_CFLAGS)
1815     AC_SUBST(IMAGEMAGICK_LIBS)
1816
1817     if test $HAVE_IMAGEMAGICK = yes; then
1818       AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
1819       CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
1820       LIBS="$IMAGEMAGICK_LIBS $LIBS"
1821       AC_CHECK_FUNCS(MagickExportImagePixels)
1822     fi
1823   fi
1824 fi
1825
1826
1827 HAVE_GTK=no
1828 if test "${with_gtk3}" = "yes"; then
1829   GLIB_REQUIRED=2.6
1830   GTK_REQUIRED=2.90
1831   GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1832
1833   dnl Checks for libraries.
1834   PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1835   if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1836      AC_MSG_ERROR($GTK_PKG_ERRORS)
1837   fi
1838 fi
1839
1840 if test "$pkg_check_gtk" != "yes"; then
1841   HAVE_GTK=no
1842 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1843   GLIB_REQUIRED=2.6
1844   GTK_REQUIRED=2.6
1845   GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1846
1847   dnl Checks for libraries.
1848   PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1849   if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1850      AC_MSG_ERROR($GTK_PKG_ERRORS)
1851   fi
1852 fi
1853 fi
1854
1855 GTK_OBJ=
1856 if test x"$pkg_check_gtk" = xyes; then
1857
1858   AC_SUBST(GTK_CFLAGS)
1859   AC_SUBST(GTK_LIBS)
1860   C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
1861   CFLAGS="$CFLAGS $GTK_CFLAGS"
1862   LIBS="$GTK_LIBS $LIBS"
1863   dnl Try to compile a simple GTK program.
1864   GTK_COMPILES=no
1865   AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
1866   if test "${GTK_COMPILES}" != "yes"; then
1867     if test "$USE_X_TOOLKIT" != "maybe"; then
1868       AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log.  Maybe some x11-devel files missing?]);
1869     fi
1870   else
1871     HAVE_GTK=yes
1872     AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
1873     GTK_OBJ=gtkutil.o
1874     USE_X_TOOLKIT=none
1875     if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
1876       :
1877     else
1878       AC_MSG_WARN([[Your version of Gtk+ will have problems with
1879        closing open displays.  This is no problem if you just use
1880        one display, but if you use more than one and close one of them
1881        Emacs may crash.]])
1882       sleep 3
1883     fi
1884   fi
1885
1886 fi
1887 AC_SUBST(GTK_OBJ)
1888
1889
1890 if test "${HAVE_GTK}" = "yes"; then
1891
1892   dnl  GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
1893   dnl  a lot if #ifdef:s, say we have toolkit scrollbars.
1894   if test "$with_toolkit_scroll_bars" != no; then
1895     with_toolkit_scroll_bars=yes
1896   fi
1897
1898   dnl  Check if we have the old file selection dialog declared and
1899   dnl  in the link library.  In 2.x it may be in the library,
1900   dnl  but not declared if deprecated featured has been selected out.
1901   dnl  AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
1902   HAVE_GTK_FILE_SELECTION=no
1903   AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
1904                    HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
1905 #include <gtk/gtk.h>])
1906   if test "$HAVE_GTK_FILE_SELECTION" = yes; then
1907     AC_CHECK_FUNCS(gtk_file_selection_new)
1908   fi
1909
1910   dnl Check if pthreads are available.  Emacs only needs this when using
1911   dnl gtk_file_chooser under Gnome.
1912     HAVE_GTK_AND_PTHREAD=no
1913     AC_CHECK_HEADERS(pthread.h)
1914     if test "$ac_cv_header_pthread_h"; then
1915       AC_CHECK_LIB(pthread, pthread_self, HAVE_GTK_AND_PTHREAD=yes)
1916     fi
1917     if test "$HAVE_GTK_AND_PTHREAD" = yes; then
1918       case "${canonical}" in
1919         *-hpux*) ;;
1920         *) GTK_LIBS="$GTK_LIBS -lpthread" ;;
1921       esac
1922       AC_DEFINE(HAVE_GTK_AND_PTHREAD, 1,
1923                [Define to 1 if you have GTK and pthread (-lpthread).])
1924     fi
1925
1926   dnl Check for functions introduced in 2.14 and later.
1927   AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
1928                  gtk_dialog_get_action_area gtk_widget_get_sensitive \
1929                  gtk_widget_get_mapped gtk_adjustment_get_page_size \
1930                  gtk_orientable_set_orientation)
1931
1932 fi
1933
1934 dnl D-Bus has been tested under GNU/Linux only.  Must be adapted for
1935 dnl other platforms.  Support for higher D-Bus versions than 1.0 is
1936 dnl also not configured.
1937 HAVE_DBUS=no
1938 DBUS_OBJ=
1939 if test "${with_dbus}" = "yes"; then
1940    PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
1941    if test "$HAVE_DBUS" = yes; then
1942      LIBS="$LIBS $DBUS_LIBS"
1943      AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
1944      AC_CHECK_FUNCS([dbus_watch_get_unix_fd])
1945      DBUS_OBJ=dbusbind.o
1946    fi
1947 fi
1948 AC_SUBST(DBUS_OBJ)
1949
1950 dnl GConf has been tested under GNU/Linux only.
1951 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
1952 HAVE_GCONF=no
1953 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
1954    PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
1955    if test "$HAVE_GCONF" = yes; then
1956       AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
1957       dnl Newer GConf doesn't link with g_objects, so this is not defined.
1958       AC_CHECK_FUNCS([g_type_init])
1959    fi
1960 fi
1961
1962 dnl SELinux is available for GNU/Linux only.
1963 HAVE_LIBSELINUX=no
1964 LIBSELINUX_LIBS=
1965 if test "${with_selinux}" = "yes"; then
1966    AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
1967    if test "$HAVE_LIBSELINUX" = yes; then
1968       AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
1969       LIBSELINUX_LIBS=-lselinux
1970    fi
1971 fi
1972 AC_SUBST(LIBSELINUX_LIBS)
1973
1974 HAVE_GNUTLS=no
1975 if test "${with_gnutls}" = "yes" ; then
1976   PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.2.4], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
1977   if test "${HAVE_GNUTLS}" = "yes"; then
1978     AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
1979   fi
1980 fi
1981 AC_SUBST(LIBGNUTLS_LIBS)
1982 AC_SUBST(LIBGNUTLS_CFLAGS)
1983
1984 dnl Do not put whitespace before the #include statements below.
1985 dnl Older compilers (eg sunos4 cc) choke on it.
1986 HAVE_XAW3D=no
1987 LUCID_LIBW=
1988 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
1989   if test "$with_xaw3d" != no; then
1990     AC_MSG_CHECKING(for xaw3d)
1991     AC_CACHE_VAL(emacs_cv_xaw3d,
1992     [AC_TRY_LINK([
1993 #include <X11/Intrinsic.h>
1994 #include <X11/Xaw3d/Simple.h>],
1995       [],
1996       [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
1997                     emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
1998       emacs_cv_xaw3d=no)])
1999   else
2000     emacs_cv_xaw3d=no
2001   fi
2002   if test $emacs_cv_xaw3d = yes; then
2003     AC_MSG_RESULT([yes; using Lucid toolkit])
2004     USE_X_TOOLKIT=LUCID
2005     HAVE_XAW3D=yes
2006     LUCID_LIBW=-lXaw3d
2007     AC_DEFINE(HAVE_XAW3D, 1,
2008               [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2009   else
2010     AC_MSG_RESULT(no)
2011     AC_MSG_CHECKING(for libXaw)
2012     AC_CACHE_VAL(emacs_cv_xaw,
2013     [AC_TRY_LINK([
2014 #include <X11/Intrinsic.h>
2015 #include <X11/Xaw/Simple.h>],
2016       [],
2017       emacs_cv_xaw=yes,
2018       emacs_cv_xaw=no)])
2019     if test $emacs_cv_xaw = yes; then
2020       AC_MSG_RESULT([yes; using Lucid toolkit])
2021       USE_X_TOOLKIT=LUCID
2022       LUCID_LIBW=-lXaw
2023     elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2024       AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2025     else
2026       AC_MSG_RESULT([no; do not use toolkit by default])
2027       USE_X_TOOLKIT=none
2028     fi
2029   fi
2030 fi
2031
2032 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2033
2034 LIBXTR6=
2035 if test "${USE_X_TOOLKIT}" != "none"; then
2036   AC_MSG_CHECKING(X11 toolkit version)
2037   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2038   [AC_TRY_LINK([#include <X11/Intrinsic.h>],
2039 [#if XtSpecificationRelease < 6
2040 fail;
2041 #endif
2042 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2043   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2044   if test $emacs_cv_x11_toolkit_version_6 = yes; then
2045     AC_MSG_RESULT(6 or newer)
2046     AC_DEFINE(HAVE_X11XTR6, 1,
2047               [Define to 1 if you have the X11R6 or newer version of Xt.])
2048     LIBXTR6="-lSM -lICE"
2049     case "$opsys" in
2050       ## Use libw.a along with X11R6 Xt.
2051       unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2052     esac
2053   else
2054     AC_MSG_RESULT(before 6)
2055   fi
2056
2057 dnl If using toolkit, check whether libXmu.a exists.
2058 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2059   OLDLIBS="$LIBS"
2060   if test x$HAVE_X11XTR6 = xyes; then
2061     LIBS="-lXt -lSM -lICE $LIBS"
2062   else
2063     LIBS="-lXt $LIBS"
2064   fi
2065   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2066   test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2067 fi
2068 AC_SUBST(LIBXTR6)
2069
2070 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2071 dnl Why not just test for libxmu in the normal way?
2072 LIBXMU=-lXmu
2073 case $opsys in
2074   ## These systems don't supply Xmu.
2075   hpux* | aix4-2 )
2076     test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2077     ;;
2078 esac
2079 AC_SUBST(LIBXMU)
2080
2081 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2082 if test "${HAVE_X11}" = "yes"; then
2083   if test "${USE_X_TOOLKIT}" != "none"; then
2084     AC_CHECK_LIB(Xext, XShapeQueryExtension)
2085   fi
2086 fi
2087
2088 LIBXP=
2089 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2090   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2091   [AC_TRY_COMPILE([#include <Xm/Xm.h>],
2092     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2093 int x = 5;
2094 #else
2095 Motif version prior to 2.1.
2096 #endif],
2097     emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2098   if test $emacs_cv_motif_version_2_1 = yes; then
2099     AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2100   else
2101     AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2102     # We put this in CFLAGS temporarily to precede other -I options
2103     # that might be in CFLAGS temporarily.
2104     # We put this in CPPFLAGS where it precedes the other -I options.
2105     OLD_CPPFLAGS=$CPPFLAGS
2106     OLD_CFLAGS=$CFLAGS
2107     CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2108     CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2109     [AC_TRY_COMPILE([#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>],
2110       [int x = 5;],
2111       emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2112     if test $emacs_cv_lesstif = yes; then
2113       # Make sure this -I option remains in CPPFLAGS after it is set
2114       # back to REAL_CPPFLAGS.
2115       # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2116       # have those other -I options anyway.  Ultimately, having this
2117       # directory ultimately in CPPFLAGS will be enough.
2118       REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2119       LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2120     else
2121       CFLAGS=$OLD_CFLAGS
2122       CPPFLAGS=$OLD_CPPFLAGS
2123     fi
2124   fi
2125 fi
2126
2127 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2128 dnl using Motif or Xaw3d is available, and unless
2129 dnl --with-toolkit-scroll-bars=no was specified.
2130
2131 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2132             [Define to 1 if we should use toolkit scroll bars.])dnl
2133 USE_TOOLKIT_SCROLL_BARS=no
2134 if test "${with_toolkit_scroll_bars}" != "no"; then
2135   if test "${USE_X_TOOLKIT}" != "none"; then
2136     if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2137       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2138       HAVE_XAW3D=no
2139       USE_TOOLKIT_SCROLL_BARS=yes
2140     elif test "${HAVE_XAW3D}" = "yes"; then
2141       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2142       USE_TOOLKIT_SCROLL_BARS=yes
2143     fi
2144   elif test "${HAVE_GTK}" = "yes"; then
2145     AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2146     USE_TOOLKIT_SCROLL_BARS=yes
2147   elif test "${HAVE_NS}" = "yes"; then
2148     AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2149     USE_TOOLKIT_SCROLL_BARS=yes
2150   fi
2151 fi
2152
2153 dnl See if XIM is available.
2154 AC_TRY_COMPILE([
2155           #include <X11/Xlib.h>
2156           #include <X11/Xresource.h>],
2157          [XIMProc  callback;],
2158          [HAVE_XIM=yes
2159          AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2160          HAVE_XIM=no)
2161
2162 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2163
2164 if test "${with_xim}" != "no"; then
2165   AC_DEFINE(USE_XIM, 1,
2166             [Define to 1 if we should use XIM, if it is available.])
2167 fi
2168
2169
2170 if test "${HAVE_XIM}" != "no"; then
2171   late_CFLAGS=$CFLAGS
2172   if test "$GCC" = yes; then
2173     CFLAGS="$CFLAGS --pedantic-errors"
2174   fi
2175   AC_TRY_COMPILE([
2176 #include <X11/Xlib.h>
2177 #include <X11/Xresource.h>],
2178 [Display *display;
2179 XrmDatabase db;
2180 char *res_name;
2181 char *res_class;
2182 XIMProc  callback;
2183 XPointer *client_data;
2184 #ifndef __GNUC__
2185 /* If we're not using GCC, it's probably not XFree86, and this is
2186    probably right, but we can't use something like --pedantic-errors.  */
2187 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2188                                            char*, XIMProc, XPointer*);
2189 #endif
2190 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2191    client_data);],
2192     [emacs_cv_arg6_star=yes])
2193   AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2194          [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2195 either XPointer or XPointer*.])dnl
2196   if test "$emacs_cv_arg6_star" = yes; then
2197     AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2198   else
2199     AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2200   fi
2201   CFLAGS=$late_CFLAGS
2202 fi
2203
2204 ### Start of font-backend (under any platform) section.
2205 # (nothing here yet -- this is a placeholder)
2206 ### End of font-backend (under any platform) section.
2207
2208 ### Start of font-backend (under X11) section.
2209 if test "${HAVE_X11}" = "yes"; then
2210    PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2211
2212    ## Use -lXft if available, unless `--with-xft=no'.
2213    HAVE_XFT=maybe
2214     if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2215       with_xft="no";
2216     fi
2217     if test "x${with_xft}" != "xno"; then
2218
2219       PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2220       ## Because xftfont.c uses XRenderQueryExtension, we also
2221       ## need to link to -lXrender.
2222       HAVE_XRENDER=no
2223       AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2224       if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2225         OLD_CPPFLAGS="$CPPFLAGS"
2226         OLD_CFLAGS="$CFLAGS"
2227         OLD_LIBS="$LIBS"
2228         CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2229         CFLAGS="$CFLAGS $XFT_CFLAGS"
2230         XFT_LIBS="-lXrender $XFT_LIBS"
2231         LIBS="$XFT_LIBS $LIBS"
2232         AC_CHECK_HEADER(X11/Xft/Xft.h,
2233           AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2234
2235         if test "${HAVE_XFT}" = "yes"; then
2236           AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2237             AC_SUBST(XFT_LIBS)
2238           C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2239         else
2240           CPPFLAGS="$OLD_CPPFLAGS"
2241           CFLAGS="$OLD_CFLAGS"
2242           LIBS="$OLD_LIBS"
2243         fi                        # "${HAVE_XFT}" = "yes"
2244       fi                          # "$HAVE_XFT" != no
2245     fi                            # "x${with_xft}" != "xno"
2246
2247     dnl For the "Does Emacs use" message at the end.
2248     if test "$HAVE_XFT" != "yes"; then
2249        HAVE_XFT=no
2250     fi
2251
2252     ## We used to allow building with FreeType and without Xft.
2253     ## However, the ftx font backend driver is not in good shape.
2254     HAVE_FREETYPE=$HAVE_XFT
2255
2256     HAVE_LIBOTF=no
2257     if test "${HAVE_FREETYPE}" = "yes"; then
2258       AC_DEFINE(HAVE_FREETYPE, 1,
2259                 [Define to 1 if using the freetype and fontconfig libraries.])
2260       if test "${with_libotf}" != "no"; then
2261         PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2262                           HAVE_LIBOTF=no)
2263         if test "$HAVE_LIBOTF" = "yes"; then
2264           AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2265           AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2266                        HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2267                        HAVE_OTF_GET_VARIATION_GLYPHS=no)
2268           if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2269             AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2270                       [Define to 1 if libotf has OTF_get_variation_glyphs.])
2271           fi
2272         fi
2273       fi
2274     dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2275     dnl Does the new font backend require it, or can it work without it?
2276     fi
2277
2278     HAVE_M17N_FLT=no
2279     if test "${HAVE_LIBOTF}" = yes; then
2280       if test "${with_m17n_flt}" != "no"; then
2281         PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2282         if test "$HAVE_M17N_FLT" = "yes"; then
2283           AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2284         fi
2285       fi
2286     fi
2287 else
2288     HAVE_XFT=no
2289     HAVE_FREETYPE=no
2290     HAVE_LIBOTF=no
2291     HAVE_M17N_FLT=no
2292 fi
2293
2294 ### End of font-backend (under X11) section.
2295
2296 AC_SUBST(FREETYPE_CFLAGS)
2297 AC_SUBST(FREETYPE_LIBS)
2298 AC_SUBST(FONTCONFIG_CFLAGS)
2299 AC_SUBST(FONTCONFIG_LIBS)
2300 AC_SUBST(LIBOTF_CFLAGS)
2301 AC_SUBST(LIBOTF_LIBS)
2302 AC_SUBST(M17N_FLT_CFLAGS)
2303 AC_SUBST(M17N_FLT_LIBS)
2304
2305 ### Use -lXpm if available, unless `--with-xpm=no'.
2306 HAVE_XPM=no
2307 LIBXPM=
2308 if test "${HAVE_X11}" = "yes"; then
2309   if test "${with_xpm}" != "no"; then
2310     AC_CHECK_HEADER(X11/xpm.h,
2311       [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2312     if test "${HAVE_XPM}" = "yes"; then
2313       AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2314       AC_EGREP_CPP(no_return_alloc_pixels,
2315       [#include "X11/xpm.h"
2316 #ifndef XpmReturnAllocPixels
2317 no_return_alloc_pixels
2318 #endif
2319       ], HAVE_XPM=no, HAVE_XPM=yes)
2320
2321       if test "${HAVE_XPM}" = "yes"; then
2322         AC_MSG_RESULT(yes)
2323       else
2324         AC_MSG_RESULT(no)
2325       fi
2326     fi
2327   fi
2328
2329   if test "${HAVE_XPM}" = "yes"; then
2330     AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm libary (-lXpm).])
2331     LIBXPM=-lXpm
2332   fi
2333 fi
2334 AC_SUBST(LIBXPM)
2335
2336 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2337 HAVE_JPEG=no
2338 LIBJPEG=
2339 if test "${HAVE_X11}" = "yes"; then
2340   if test "${with_jpeg}" != "no"; then
2341     dnl Checking for jpeglib.h can lose because of a redefinition of
2342     dnl  HAVE_STDLIB_H.
2343     AC_CHECK_HEADER(jerror.h,
2344       [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2345   fi
2346
2347   AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2348   if test "${HAVE_JPEG}" = "yes"; then
2349     AC_DEFINE(HAVE_JPEG)
2350     AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2351         [#include <jpeglib.h>
2352          version=JPEG_LIB_VERSION
2353 ],
2354         [AC_DEFINE(HAVE_JPEG)],
2355         [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2356         HAVE_JPEG=no])
2357   fi
2358   if test "${HAVE_JPEG}" = "yes"; then
2359     LIBJPEG=-ljpeg
2360   fi
2361 fi
2362 AC_SUBST(LIBJPEG)
2363
2364 ### Use -lpng if available, unless `--with-png=no'.
2365 HAVE_PNG=no
2366 LIBPNG=
2367 if test "${HAVE_X11}" = "yes"; then
2368   if test "${with_png}" != "no"; then
2369     # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2370     # in /usr/include/libpng.
2371     AC_CHECK_HEADERS(png.h libpng/png.h)
2372     if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2373       AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2374     fi
2375   fi
2376
2377   if test "${HAVE_PNG}" = "yes"; then
2378     AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2379     LIBPNG="-lpng -lz -lm"
2380   fi
2381 fi
2382 AC_SUBST(LIBPNG)
2383
2384 ### Use -ltiff if available, unless `--with-tiff=no'.
2385 HAVE_TIFF=no
2386 LIBTIFF=
2387 if test "${HAVE_X11}" = "yes"; then
2388   if test "${with_tiff}" != "no"; then
2389     AC_CHECK_HEADER(tiffio.h,
2390       [tifflibs="-lz -lm"
2391       # At least one tiff package requires the jpeg library.
2392       if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2393       AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2394   fi
2395
2396   if test "${HAVE_TIFF}" = "yes"; then
2397     AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2398     dnl FIXME -lz -lm, as per libpng?
2399     LIBTIFF=-ltiff
2400   fi
2401 fi
2402 AC_SUBST(LIBTIFF)
2403
2404 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2405 HAVE_GIF=no
2406 LIBGIF=
2407 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2408   AC_CHECK_HEADER(gif_lib.h,
2409 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2410 # Earlier versions can crash Emacs.
2411     [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2412
2413   if test "$HAVE_GIF" = yes; then
2414     LIBGIF=-lgif
2415   elif test "$HAVE_GIF" = maybe; then
2416 # If gif_lib.h but no libgif, try libungif.
2417     AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2418     test "$HAVE_GIF" = yes && LIBGIF=-lungif
2419   fi
2420
2421   if test "${HAVE_GIF}" = "yes"; then
2422     AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2423   fi
2424 fi
2425 AC_SUBST(LIBGIF)
2426
2427 dnl Check for required libraries.
2428 if test "${HAVE_X11}" = "yes"; then
2429   MISSING=""
2430   WITH_NO=""
2431   test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2432     MISSING="libXpm" && WITH_NO="--with-xpm=no"
2433   test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2434     MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2435   test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2436     MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2437   test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2438     MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2439   test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2440     MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2441
2442   if test "X${MISSING}" != X; then
2443     AC_MSG_ERROR([The following required libraries were not found:
2444     $MISSING
2445 Maybe some development libraries/packages are missing?
2446 If you don't want to link with them give
2447     $WITH_NO
2448 as options to configure])
2449   fi
2450 fi
2451
2452 ### Use -lgpm if available, unless `--with-gpm=no'.
2453 HAVE_GPM=no
2454 LIBGPM=
2455 MOUSE_SUPPORT=
2456 if test "${with_gpm}" != "no"; then
2457   AC_CHECK_HEADER(gpm.h,
2458     [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2459
2460   if test "${HAVE_GPM}" = "yes"; then
2461     AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2462     LIBGPM=-lgpm
2463     ## May be reset below.
2464     MOUSE_SUPPORT="\$(GPM_MOUSE_SUPPORT)"
2465   fi
2466 fi
2467 AC_SUBST(LIBGPM)
2468
2469 dnl Check for malloc/malloc.h on darwin
2470 AC_CHECK_HEADER(malloc/malloc.h, [AC_DEFINE(HAVE_MALLOC_MALLOC_H, 1, [Define to 1 if you have the <malloc/malloc.h> header file.])])
2471
2472 C_SWITCH_X_SYSTEM=
2473 ### Use NeXTstep API to implement GUI.
2474 if test "${HAVE_NS}" = "yes"; then
2475   AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2476   if test "${NS_IMPL_COCOA}" = "yes"; then
2477     AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2478     GNU_OBJC_CFLAGS=
2479   fi
2480   if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2481     AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2482     # See also .m.o rule in Makefile.in */
2483     # FIXME: are all these flags really needed?  Document here why.  */
2484     C_SWITCH_X_SYSTEM="-D_REENTRANT -fPIC -fno-strict-aliasing"
2485     GNU_OBJC_CFLAGS="-fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
2486   fi
2487   if test "${NS_HAVE_NSINTEGER}" = "yes"; then
2488     AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
2489   fi
2490   # We also have mouse menus.
2491   HAVE_MENUS=yes
2492   OTHER_FILES=ns-app
2493 fi
2494
2495
2496 ### Use session management (-lSM -lICE) if available
2497 HAVE_X_SM=no
2498 LIBXSM=
2499 if test "${HAVE_X11}" = "yes"; then
2500   AC_CHECK_HEADER(X11/SM/SMlib.h,
2501     [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2502
2503   if test "${HAVE_X_SM}" = "yes"; then
2504     AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2505     LIBXSM="-lSM -lICE"
2506     case "$LIBS" in
2507       *-lSM*) ;;
2508       *)      LIBS="$LIBXSM $LIBS" ;;
2509     esac
2510   fi
2511 fi
2512 AC_SUBST(LIBXSM)
2513
2514 ### Use libxml (-lxml2) if available
2515 if test "${with_xml2}" != "no"; then
2516   ### I'm not sure what the version number should be, so I just guessed.
2517   PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2518   if test "${HAVE_LIBXML2}" = "yes"; then
2519     LIBS="$LIBXML2_LIBS $LIBS"
2520     AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2521     if test "${HAVE_LIBXML2}" = "yes"; then
2522       AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
2523     else
2524       LIBXML2_LIBS=""
2525       LIBXML2_CFLAGS=""
2526     fi
2527   fi
2528 fi
2529 AC_SUBST(LIBXML2_LIBS)
2530 AC_SUBST(LIBXML2_CFLAGS)
2531
2532 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2533 AC_CACHE_CHECK(whether netdb declares h_errno,
2534                emacs_cv_netdb_declares_h_errno,
2535 [AC_TRY_LINK([#include <netdb.h>],
2536   [return h_errno;],
2537   emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2538 if test $emacs_cv_netdb_declares_h_errno = yes; then
2539   AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2540 fi
2541
2542 AC_FUNC_ALLOCA
2543
2544 dnl src/alloca.c has been removed.  Could also check if $ALLOCA is set?
2545 dnl FIXME is there an autoconf test that does the right thing, without
2546 dnl needing to call A_M_E afterwards?
2547 if test x"$ac_cv_func_alloca_works" != xyes; then
2548    AC_MSG_ERROR( [a system implementation of alloca is required] )
2549 fi
2550
2551 # fmod, logb, and frexp are found in -lm on most systems.
2552 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2553 AC_CHECK_LIB(m, sqrt)
2554
2555 # Check for mail-locking functions in a "mail" library.  Probably this should
2556 # have the same check as for liblockfile below.
2557 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2558 if test $have_mail = yes; then
2559   LIBS_MAIL=-lmail
2560   LIBS="$LIBS_MAIL $LIBS"
2561   AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2562 else
2563   LIBS_MAIL=
2564 fi
2565 dnl Debian, at least:
2566 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2567 if test $have_lockfile = yes; then
2568    LIBS_MAIL=-llockfile
2569    LIBS="$LIBS_MAIL $LIBS"
2570    AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2571 else
2572 # If we have the shared liblockfile, assume we must use it for mail
2573 # locking (e.g. Debian).  If we couldn't link against liblockfile
2574 # (no liblockfile.a installed), ensure that we don't need to.
2575   dnl This works for files generally, not just executables.
2576   dnl Should we look elsewhere for it?  Maybe examine /etc/ld.so.conf?
2577   AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2578                 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2579   if test $ac_cv_prog_liblockfile = yes; then
2580     AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2581 This probably means that movemail could lose mail.
2582 There may be a `development' package to install containing liblockfile.])
2583   fi
2584 fi
2585 AC_CHECK_FUNCS(touchlock)
2586 AC_CHECK_HEADERS(maillock.h)
2587 AC_SUBST(LIBS_MAIL)
2588
2589 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
2590 ## interlock access to the mail spool.  The alternative is a lock file named
2591 ## /usr/spool/mail/$USER.lock.
2592 mail_lock=no
2593 case "$opsys" in
2594   aix4-2) mail_lock="lockf" ;;
2595
2596   gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
2597
2598   ## On GNU/Linux systems, both methods are used by various mail programs.
2599   ## I assume most people are using newer mailers that have heard of flock.
2600   ## Change this if you need to.
2601   ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
2602   ## configure gets the right answers, and that means *NOT* using flock.
2603   ## Using flock is guaranteed to be the wrong thing. See Debian Policy
2604   ## for details.'' and then uses `#ifdef DEBIAN'.  Unfortunately the
2605   ## Debian maintainer hasn't provided a clean fix for Emacs.
2606   ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
2607   ## HAVE_MAILLOCK_H are defined, so the following appears to be the
2608   ## correct logic.  -- fx
2609   ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
2610   ## liblockfile is a Free Software replacement for libmail, used on
2611   ## Debian systems and elsewhere. -rfr.
2612   gnu-*)
2613     mail_lock="flock"
2614     if test $have_mail = yes || test $have_lockfile = yes; then
2615       test $ac_cv_header_maillock_h = yes && mail_lock=no
2616     fi
2617     ;;
2618 esac
2619
2620 BLESSMAIL_TARGET=
2621 case "$mail_lock" in
2622   flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
2623
2624   lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
2625
2626   *) BLESSMAIL_TARGET="need-blessmail" ;;
2627 esac
2628 AC_SUBST(BLESSMAIL_TARGET)
2629
2630
2631 AC_CHECK_FUNCS(gethostname getdomainname dup2 \
2632 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2633 random lrand48 logb frexp fmod rint cbrt ftime setsid \
2634 strerror fpathconf select euidaccess getpagesize tzset setlocale \
2635 utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2636 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm strchr strrchr \
2637 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2638 gai_strerror mkstemp getline getdelim mremap memmove fsync sync \
2639 memset memcmp difftime memcpy mempcpy mblen mbrlen posix_memalign \
2640 cfmakeraw cfsetspeed isnan copysign __executable_start)
2641
2642 dnl Cannot use AC_CHECK_FUNCS
2643 AC_CACHE_CHECK([for __builtin_unwind_init],
2644                emacs_cv_func___builtin_unwind_init,
2645 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
2646                 emacs_cv_func___builtin_unwind_init=yes,
2647                 emacs_cv_func___builtin_unwind_init=no)])
2648 if test $emacs_cv_func___builtin_unwind_init = yes; then
2649   AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
2650             [Define to 1 if you have the `__builtin_unwind_init' function.])
2651 fi
2652
2653 AC_CHECK_HEADERS(sys/un.h)
2654
2655 AC_FUNC_FSEEKO
2656
2657 AC_FUNC_GETPGRP
2658
2659 # Configure gnulib.
2660 gl_ASSERT_NO_GNULIB_POSIXCHECK
2661 gl_ASSERT_NO_GNULIB_TESTS
2662 gl_INIT
2663
2664 # UNIX98 PTYs.
2665 AC_CHECK_FUNCS(grantpt)
2666
2667 # PTY-related GNU extensions.
2668 AC_CHECK_FUNCS(getpt)
2669
2670 # Check this now, so that we will NOT find the above functions in ncurses.
2671 # That is because we have not set up to link ncurses in lib-src.
2672 # It's better to believe a function is not available
2673 # than to expect to find it in ncurses.
2674 # Also we need tputs and friends to be able to build at all.
2675 have_tputs_et_al=true
2676 AC_SEARCH_LIBS(tputs, [ncurses terminfo termcap], , have_tputs_et_al=false)
2677 if test "$have_tputs_et_al" != true; then
2678   AC_MSG_ERROR([I couldn't find termcap functions (tputs and friends).
2679 Maybe some development libraries/packages are missing?  Try installing
2680 libncurses-dev(el), libterminfo-dev(el) or similar.])
2681 fi
2682 # Must define this when any termcap library is found.
2683 AC_DEFINE(HAVE_LIBNCURSES, 1,
2684           [Define to 1 if you have the `ncurses' library (-lncurses).])
2685 ## FIXME This was the cpp logic, but I am not sure it is right.
2686 ## The above test has not necessarily found libncurses.
2687 HAVE_LIBNCURSES=yes
2688
2689 ## Use terminfo instead of termcap?
2690 ## Note only system files NOT using terminfo are:
2691 ## freebsd < 40000, ms-w32, msdos, netbsd < 599002500, and
2692 ## darwin|gnu without ncurses.
2693 TERMINFO=no
2694 LIBS_TERMCAP=
2695 case "$opsys" in
2696   ## cygwin: Fewer environment variables to go wrong, more terminal types.
2697   ## hpux10-20: Use the system provided termcap(3) library.
2698   ## openbsd: David Mazieres <dm@reeducation-labor.lcs.mit.edu> says this
2699   ##  is necessary.  Otherwise Emacs dumps core when run -nw.
2700   aix4-2|cygwin|hpux*|irix6-5|openbsd|sol2*|unixware) TERMINFO=yes ;;
2701
2702   ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
2703   ##  The ncurses library has been moved out of the System framework in
2704   ##  Mac OS X 10.2.  So if configure detects it, set the command-line
2705   ##  option to use it.
2706   darwin|gnu*)
2707     ## (HAVE_LIBNCURSES was not always true, but is since 2010-03-18.)
2708     if test "x$HAVE_LIBNCURSES" = "xyes"; then
2709       TERMINFO=yes
2710       LIBS_TERMCAP="-lncurses"
2711     fi
2712     ;;
2713
2714   freebsd)
2715     AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
2716     AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
2717     [AC_TRY_LINK([#include <osreldate.h>],
2718 [#if __FreeBSD_version < 400000
2719 fail;
2720 #endif
2721 ], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
2722
2723     AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
2724
2725     if test $emacs_cv_freebsd_terminfo = yes; then
2726       TERMINFO=yes
2727       LIBS_TERMCAP="-lncurses"
2728     else
2729       LIBS_TERMCAP="-ltermcap"
2730     fi
2731     ;;
2732
2733   netbsd)
2734     if test $ac_cv_search_tputs = -lterminfo; then
2735       TERMINFO=yes
2736       LIBS_TERMCAP="-lterminfo"
2737     else
2738       LIBS_TERMCAP="-ltermcap"
2739     fi
2740     ;;
2741
2742 esac
2743
2744 case "$opsys" in
2745   ## hpux: Make sure we get select from libc rather than from libcurses
2746   ##  because libcurses on HPUX 10.10 has a broken version of select.
2747   ##  We used to use -lc -lcurses, but this may be cleaner.
2748   hpux*) LIBS_TERMCAP="-ltermcap" ;;
2749
2750   openbsd) LIBS_TERMCAP="-lncurses" ;;
2751
2752   ## Must use system termcap, if we use any termcap.  It does special things.
2753   sol2*) test "$TERMINFO" != yes && LIBS_TERMCAP="-ltermcap" ;;
2754 esac
2755
2756 TERMCAP_OBJ=tparam.o
2757 if test $TERMINFO = yes; then
2758   AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
2759
2760   ## Default used to be -ltermcap.  Add a case above if need something else.
2761   test "x$LIBS_TERMCAP" = "x" && LIBS_TERMCAP="-lcurses"
2762
2763   TERMCAP_OBJ=terminfo.o
2764 fi
2765 AC_SUBST(LIBS_TERMCAP)
2766 AC_SUBST(TERMCAP_OBJ)
2767
2768
2769 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2770 resolv=no
2771 AC_TRY_LINK([#include <netinet/in.h>
2772 #include <arpa/nameser.h>
2773 #include <resolv.h>],
2774     [return res_init();],
2775     have_res_init=yes, have_res_init=no)
2776 if test "$have_res_init" = no; then
2777   OLIBS="$LIBS"
2778   LIBS="$LIBS -lresolv"
2779   AC_MSG_CHECKING(for res_init with -lresolv)
2780   AC_TRY_LINK([#include <netinet/in.h>
2781 #include <arpa/nameser.h>
2782 #include <resolv.h>],
2783     [return res_init();],
2784     have_res_init=yes, have_res_init=no)
2785   AC_MSG_RESULT($have_res_init)
2786   if test "$have_res_init" = yes ; then
2787     resolv=yes
2788   fi
2789   LIBS="$OLIBS"
2790 fi
2791
2792 if test "$have_res_init" = yes; then
2793   AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2794 fi
2795
2796 # Do we need the Hesiod library to provide the support routines?
2797 LIBHESIOD=
2798 if test "$with_hesiod" != no ; then
2799   # Don't set $LIBS here -- see comments above.  FIXME which comments?
2800   AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2801      [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2802                   [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2803   if test "$resolv" = yes ; then
2804     RESOLVLIB=-lresolv
2805   else
2806     RESOLVLIB=
2807   fi
2808   AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2809         hesiod=yes, :, $RESOLVLIB)])
2810
2811   if test x"$hesiod" = xyes; then
2812     AC_DEFINE(HAVE_LIBHESIOD, 1,
2813               [Define to 1 if you have the hesiod library (-lhesiod).])
2814     LIBHESIOD=-lhesiod
2815   fi
2816 fi
2817 AC_SUBST(LIBHESIOD)
2818
2819 # Do we need libresolv (due to res_init or Hesiod)?
2820 if test "$resolv" = yes ; then
2821   AC_DEFINE(HAVE_LIBRESOLV, 1,
2822             [Define to 1 if you have the resolv library (-lresolv).])
2823   LIBRESOLV=-lresolv
2824 else
2825   LIBRESOLV=
2826 fi
2827 AC_SUBST(LIBRESOLV)
2828
2829 # These tell us which Kerberos-related libraries to use.
2830 COM_ERRLIB=
2831 CRYPTOLIB=
2832 KRB5LIB=
2833 DESLIB=
2834 KRB4LIB=
2835
2836 if test "${with_kerberos}" != no; then
2837   AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
2838   if test $have_com_err = yes; then
2839     COM_ERRLIB=-lcom_err
2840     LIBS="$COM_ERRLIB $LIBS"
2841     AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
2842   fi
2843   AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
2844   if test $have_crypto = yes; then
2845     CRYPTOLIB=-lcrypto
2846     LIBS="$CRYPTOLIB $LIBS"
2847     AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
2848   fi
2849   AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
2850   if test $have_k5crypto = yes; then
2851     CRYPTOLIB=-lk5crypto
2852     LIBS="$CRYPTOLIB $LIBS"
2853     AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
2854   fi
2855   AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
2856   if test $have_krb5=yes; then
2857     KRB5LIB=-lkrb5
2858     LIBS="$KRB5LIB $LIBS"
2859     AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
2860   fi
2861   dnl FIXME Simplify.  Does not match 22 logic, thanks to default_off?
2862   if test "${with_kerberos5}" = no; then
2863     AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
2864     if test $have_des425 = yes; then
2865       DESLIB=-ldes425
2866       LIBS="$DESLIB $LIBS"
2867       AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
2868     else
2869       AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
2870       if test $have_des = yes; then
2871         DESLIB=-ldes
2872         LIBS="$DESLIB $LIBS"
2873         AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
2874       fi
2875     fi
2876     AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
2877     if test $have_krb4 = yes; then
2878       KRB4LIB=-lkrb4
2879       LIBS="$KRB4LIB $LIBS"
2880       AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
2881     else
2882       AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
2883       if test $have_krb = yes; then
2884         KRB4LIB=-lkrb
2885         LIBS="$KRB4LIB $LIBS"
2886         AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
2887       fi
2888     fi
2889   fi
2890
2891   if test "${with_kerberos5}" != no; then
2892     AC_CHECK_HEADERS(krb5.h,
2893       [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
2894                         [#include <krb5.h>])])
2895   else
2896     AC_CHECK_HEADERS(des.h,,
2897                      [AC_CHECK_HEADERS(kerberosIV/des.h,,
2898                                        [AC_CHECK_HEADERS(kerberos/des.h)])])
2899     AC_CHECK_HEADERS(krb.h,,
2900                      [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2901                                        [AC_CHECK_HEADERS(kerberos/krb.h)])])
2902   fi
2903   AC_CHECK_HEADERS(com_err.h)
2904 fi
2905
2906 AC_SUBST(COM_ERRLIB)
2907 AC_SUBST(CRYPTOLIB)
2908 AC_SUBST(KRB5LIB)
2909 AC_SUBST(DESLIB)
2910 AC_SUBST(KRB4LIB)
2911
2912 # Solaris requires -lintl if you want strerror (which calls dgettext)
2913 # to return localized messages.
2914 AC_CHECK_LIB(intl, dgettext)
2915
2916 AC_MSG_CHECKING(whether localtime caches TZ)
2917 AC_CACHE_VAL(emacs_cv_localtime_cache,
2918 [if test x$ac_cv_func_tzset = xyes; then
2919 AC_TRY_RUN([#include <time.h>
2920 char TZ_GMT0[] = "TZ=GMT0";
2921 char TZ_PST8[] = "TZ=PST8";
2922 main()
2923 {
2924   time_t now = time ((time_t *) 0);
2925   int hour_GMT0, hour_unset;
2926   if (putenv (TZ_GMT0) != 0)
2927     exit (1);
2928   hour_GMT0 = localtime (&now)->tm_hour;
2929   unsetenv("TZ");
2930   hour_unset = localtime (&now)->tm_hour;
2931   if (putenv (TZ_PST8) != 0)
2932     exit (1);
2933   if (localtime (&now)->tm_hour == hour_GMT0)
2934     exit (1);
2935   unsetenv("TZ");
2936   if (localtime (&now)->tm_hour != hour_unset)
2937     exit (1);
2938   exit (0);
2939 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
2940 [# If we have tzset, assume the worst when cross-compiling.
2941 emacs_cv_localtime_cache=yes])
2942 else
2943         # If we lack tzset, report that localtime does not cache TZ,
2944         # since we can't invalidate the cache if we don't have tzset.
2945         emacs_cv_localtime_cache=no
2946 fi])dnl
2947 AC_MSG_RESULT($emacs_cv_localtime_cache)
2948 if test $emacs_cv_localtime_cache = yes; then
2949   AC_DEFINE(LOCALTIME_CACHE, 1,
2950             [Define to 1 if localtime caches TZ.])
2951 fi
2952
2953 if test "x$HAVE_TIMEVAL" = xyes; then
2954   AC_CHECK_FUNCS(gettimeofday)
2955   if test $ac_cv_func_gettimeofday = yes; then
2956     AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
2957                    emacs_cv_gettimeofday_two_arguments,
2958     [AC_TRY_COMPILE([
2959 #ifdef TIME_WITH_SYS_TIME
2960 #include <sys/time.h>
2961 #include <time.h>
2962 #else
2963 #ifdef HAVE_SYS_TIME_H
2964 #include <sys/time.h>
2965 #else
2966 #include <time.h>
2967 #endif
2968 #endif],
2969       [struct timeval time;
2970        gettimeofday (&time, 0);],
2971       emacs_cv_gettimeofday_two_arguments=yes,
2972       emacs_cv_gettimeofday_two_arguments=no)])
2973     if test $emacs_cv_gettimeofday_two_arguments = no; then
2974       AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
2975                 [Define to 1 if gettimeofday accepts only one argument.])
2976     fi
2977   fi
2978 fi
2979
2980 ok_so_far=yes
2981 AC_CHECK_FUNC(socket, , ok_so_far=no)
2982 if test $ok_so_far = yes; then
2983   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
2984 fi
2985 if test $ok_so_far = yes; then
2986   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
2987 fi
2988 if test $ok_so_far = yes; then
2989 dnl Fixme: Not used.  Should this be HAVE_SOCKETS?
2990   AC_DEFINE(HAVE_INET_SOCKETS, 1,
2991             [Define to 1 if you have inet sockets.])
2992 fi
2993
2994 if test -f /usr/lpp/X11/bin/smt.exp; then
2995   AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
2996             [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
2997 fi
2998
2999 AC_MSG_CHECKING(whether system supports dynamic ptys)
3000 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3001   AC_MSG_RESULT(yes)
3002   AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3003 else
3004   AC_MSG_RESULT(no)
3005 fi
3006
3007 AC_FUNC_FORK
3008
3009 dnl Adapted from Haible's version.
3010 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3011   [AC_TRY_LINK([#include <langinfo.h>],
3012     [char* cs = nl_langinfo(CODESET);],
3013     emacs_cv_langinfo_codeset=yes,
3014     emacs_cv_langinfo_codeset=no)
3015   ])
3016 if test $emacs_cv_langinfo_codeset = yes; then
3017   AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3018     [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3019 fi
3020
3021 AC_CHECK_TYPES(size_t)
3022
3023 AC_TYPE_MBSTATE_T
3024
3025 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3026   [AC_TRY_COMPILE([void fred (int x[__restrict]);], [],
3027                   emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3028 if test "$emacs_cv_c_restrict_arr" = yes; then
3029   AC_DEFINE(__restrict_arr, __restrict,
3030     [Define to compiler's equivalent of C99 restrict keyword in array
3031      declarations.  Define as empty for no equivalent.])
3032 fi
3033
3034 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3035 dnl how the tty code is related to POSIX and/or other versions of termios.
3036 dnl The following looks like a useful start.
3037 dnl
3038 dnl AC_SYS_POSIX_TERMIOS
3039 dnl if test $ac_cv_sys_posix_termios = yes; then
3040 dnl    AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3041 dnl                                and macros for terminal control.])
3042 dnl    AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3043 dnl fi
3044
3045 dnl Fixme: Use AC_FUNC_MEMCMP since memcmp is used.  (Needs libobj replacement.)
3046
3047 # Set up the CFLAGS for real compilation, so we can substitute it.
3048 CFLAGS="$REAL_CFLAGS"
3049 CPPFLAGS="$REAL_CPPFLAGS"
3050
3051 ## Hack to detect a buggy GCC version.
3052 if test "x$GCC" = xyes \
3053    && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
3054    && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
3055    && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
3056    AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
3057 fi
3058
3059 version=$PACKAGE_VERSION
3060
3061 ### Specify what sort of things we'll be editing into Makefile and config.h.
3062 ### Use configuration here uncanonicalized to avoid exceeding size limits.
3063 AC_SUBST(version)
3064 AC_SUBST(configuration)
3065 ## Unused?
3066 AC_SUBST(canonical)
3067 AC_SUBST(srcdir)
3068 AC_SUBST(prefix)
3069 AC_SUBST(exec_prefix)
3070 AC_SUBST(bindir)
3071 AC_SUBST(datadir)
3072 AC_SUBST(sharedstatedir)
3073 AC_SUBST(libexecdir)
3074 AC_SUBST(mandir)
3075 AC_SUBST(infodir)
3076 AC_SUBST(lispdir)
3077 AC_SUBST(locallisppath)
3078 AC_SUBST(lisppath)
3079 AC_SUBST(x_default_search_path)
3080 AC_SUBST(etcdir)
3081 AC_SUBST(archlibdir)
3082 AC_SUBST(docdir)
3083 AC_SUBST(bitmapdir)
3084 AC_SUBST(gamedir)
3085 AC_SUBST(gameuser)
3086 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
3087 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
3088 ## end of LIBX_BASE, but nothing ever set it.
3089 AC_SUBST(LD_SWITCH_X_SITE)
3090 AC_SUBST(C_SWITCH_X_SITE)
3091 AC_SUBST(C_SWITCH_X_SYSTEM)
3092 AC_SUBST(CFLAGS)
3093 ## Used in lwlib/Makefile.in.
3094 AC_SUBST(X_TOOLKIT_TYPE)
3095 if test -n "${machfile}"; then
3096   M_FILE="\$(srcdir)/${machfile}"
3097 else
3098   M_FILE=
3099 fi
3100 S_FILE="\$(srcdir)/${opsysfile}"
3101 AC_SUBST(M_FILE)
3102 AC_SUBST(S_FILE)
3103 AC_SUBST(ns_appdir)
3104 AC_SUBST(ns_appbindir)
3105 AC_SUBST(ns_appresdir)
3106 AC_SUBST(ns_appsrc)
3107 AC_SUBST(GNU_OBJC_CFLAGS)
3108 AC_SUBST(OTHER_FILES)
3109
3110 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}",
3111                    [Define to the canonical Emacs configuration name.])
3112 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
3113                    [Define to the options passed to configure.])
3114 if test -n "$machfile"; then
3115   AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}",
3116                      [Define to the used machine dependent file.])
3117 fi
3118 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
3119                    [Define to the used os dependent file.])
3120
3121 XMENU_OBJ=
3122 XOBJ=
3123 FONT_OBJ=
3124 if test "${HAVE_X_WINDOWS}" = "yes" ; then
3125   AC_DEFINE(HAVE_X_WINDOWS, 1,
3126             [Define to 1 if you want to use the X window system.])
3127   XMENU_OBJ=xmenu.o
3128   XOBJ="xterm.o xfns.o xselect.o xrdb.o fontset.o xsmfns.o fringe.o image.o xsettings.o xgselect.o"
3129   FONT_OBJ=xfont.o
3130   if test "$HAVE_XFT" = "yes"; then
3131     FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
3132   elif test "$HAVE_FREETYPE" = "yes"; then
3133     FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
3134   fi
3135   AC_SUBST(FONT_OBJ)
3136 fi
3137 AC_SUBST(XMENU_OBJ)
3138 AC_SUBST(XOBJ)
3139 AC_SUBST(FONT_OBJ)
3140
3141 WIDGET_OBJ=
3142 MOTIF_LIBW=
3143 if test "${USE_X_TOOLKIT}" != "none" ; then
3144   WIDGET_OBJ=widget.o
3145   AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
3146   if test "${USE_X_TOOLKIT}" = "LUCID"; then
3147     AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
3148   elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
3149     AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
3150     MOTIF_LIBW=-lXm
3151     case "$opsys" in
3152       gnu-linux)
3153         ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
3154         MOTIF_LIBW="$MOTIF_LIBW -lXpm"
3155         ;;
3156
3157       unixware)
3158         ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
3159         ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
3160         MOTIF_LIBW="MOTIF_LIBW -lXimp"
3161         ;;
3162
3163       aix4-2)
3164         ## olson@mcs.anl.gov says -li18n is needed by -lXm.
3165         MOTIF_LIBW="$MOTIF_LIBW -li18n"
3166         ;;
3167     esac
3168     MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
3169   fi
3170 fi
3171 AC_SUBST(WIDGET_OBJ)
3172
3173 TOOLKIT_LIBW=
3174 case "$USE_X_TOOLKIT" in
3175   MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
3176   LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
3177   none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
3178 esac
3179 AC_SUBST(TOOLKIT_LIBW)
3180
3181 if test "$USE_X_TOOLKIT" = "none"; then
3182   LIBXT_OTHER="\$(LIBXSM)"
3183   OLDXMENU_TARGET="really-oldXMenu"
3184 else
3185   LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
3186   OLDXMENU_TARGET="really-lwlib"
3187 fi
3188 AC_SUBST(LIBXT_OTHER)
3189
3190 ## The X Menu stuff is present in the X10 distribution, but missing
3191 ## from X11.  If we have X10, just use the installed library;
3192 ## otherwise, use our own copy.
3193 if test "${HAVE_X11}" = "yes" ; then
3194   AC_DEFINE(HAVE_X11, 1,
3195             [Define to 1 if you want to use version 11 of X windows.
3196              Otherwise, Emacs expects to use version 10.])
3197
3198   if test "$USE_X_TOOLKIT" = "none"; then
3199     OLDXMENU="\${oldXMenudir}/libXMenu11.a"
3200   else
3201     OLDXMENU="\${lwlibdir}/liblw.a"
3202   fi
3203   LIBXMENU="\$(OLDXMENU)"
3204   LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
3205   OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
3206 else
3207   ## For a syntactically valid Makefile; not actually used for anything.
3208   ## See comments in src/Makefile.in.
3209   OLDXMENU=nothing
3210   ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
3211   if test "${HAVE_X_WINDOWS}" = "yes"; then
3212     LIBXMENU="-lXMenu"
3213   else
3214     LIBXMENU=
3215   fi
3216   LIBX_OTHER=
3217   OLDXMENU_DEPS=
3218 fi
3219
3220 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
3221   OLDXMENU_TARGET=
3222   OLDXMENU=nothing
3223   LIBXMENU=
3224   OLDXMENU_DEPS=
3225 fi
3226
3227 AC_SUBST(OLDXMENU_TARGET)
3228 AC_SUBST(OLDXMENU)
3229 AC_SUBST(LIBXMENU)
3230 AC_SUBST(LIBX_OTHER)
3231 AC_SUBST(OLDXMENU_DEPS)
3232
3233 if test "${HAVE_MENUS}" = "yes" ; then
3234   AC_DEFINE(HAVE_MENUS, 1,
3235             [Define to 1 if you have mouse menus.
3236              (This is automatic if you use X, but the option to specify it remains.)
3237              It is also defined with other window systems that support xmenu.c.])
3238 fi
3239
3240 if test "${GNU_MALLOC}" = "yes" ; then
3241   AC_DEFINE(GNU_MALLOC, 1,
3242             [Define to 1 if you want to use the GNU memory allocator.])
3243 fi
3244
3245 RALLOC_OBJ=
3246 if test "${REL_ALLOC}" = "yes" ; then
3247   AC_DEFINE(REL_ALLOC, 1,
3248             [Define REL_ALLOC if you want to use the relocating allocator for
3249              buffer space.])
3250
3251   test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
3252 fi
3253 AC_SUBST(RALLOC_OBJ)
3254
3255 if test "$opsys" = "cygwin"; then
3256   CYGWIN_OBJ="sheap.o"
3257   ## Cygwin differs because of its unexec().
3258   PRE_ALLOC_OBJ=
3259   POST_ALLOC_OBJ=lastfile.o
3260 else
3261   CYGWIN_OBJ=
3262   PRE_ALLOC_OBJ=lastfile.o
3263   POST_ALLOC_OBJ=
3264 fi
3265 AC_SUBST(CYGWIN_OBJ)
3266 AC_SUBST(PRE_ALLOC_OBJ)
3267 AC_SUBST(POST_ALLOC_OBJ)
3268
3269
3270 case "$opsys" in
3271   aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
3272
3273   darwin)
3274    ## The -headerpad option tells ld (see man page) to leave room at the
3275    ## end of the header for adding load commands.  Needed for dumping.
3276    ## 0x690 is the total size of 30 segment load commands (at 56
3277    ## each); under Cocoa 31 commands are required.
3278    if test "$HAVE_NS" = "yes"; then
3279      libs_nsgui="-framework AppKit"
3280      headerpad_extra=6C8
3281    else
3282      libs_nsgui=
3283      headerpad_extra=690
3284    fi
3285    LD_SWITCH_SYSTEM_TEMACS="-prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
3286
3287    ## This is here because src/Makefile.in did some extra fiddling around
3288    ## with LD_SWITCH_SYSTEM.  The cpp logic was:
3289    ##   #ifndef LD_SWITCH_SYSTEM
3290    ##   #if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF)))
3291    ## Since all the *bsds define LD_SWITCH_SYSTEM, this simplifies to:
3292    ## not using gcc, darwin system not on an alpha (ie darwin, since
3293    ## darwin + alpha does not occur).
3294    ## Because this was done in src/Makefile.in, the resulting part of
3295    ## LD_SWITCH_SYSTEM was not used in configure (ie, in ac_link).
3296    ## It therefore seems cleaner to put this in LD_SWITCH_SYSTEM_TEMACS,
3297    ## rather than LD_SWITCH_SYSTEM.
3298    test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
3299      LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
3300    ;;
3301
3302   ## LD_SWITCH_X_SITE_AUX is a -R option saying where to find X at run-time.
3303   ## When handled by cpp, this was in LD_SWITCH_SYSTEM.  However, at
3304   ## the point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_AUX
3305   ## had not yet been defined and was expanded to null.  Hence LD_SWITCH_SYSTEM
3306   ## had different values in configure (in ac_link) and src/Makefile.in.
3307   ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
3308   gnu-linux) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_AUX)" ;;
3309
3310   *) LD_SWITCH_SYSTEM_TEMACS= ;;
3311 esac
3312
3313 if test "$NS_IMPL_GNUSTEP" = "yes"; then
3314   LD_SWITCH_SYSTEM_TEMACS="${LD_SWITCH_SYSTEM_TEMACS} -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES} -lgnustep-gui -lgnustep-base -lobjc -lpthread"
3315 fi
3316
3317 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
3318
3319
3320 LD_FIRSTFLAG=
3321 ORDINARY_LINK=
3322 case "$opsys" in
3323   ## gnu: GNU needs its own crt0.
3324   aix4-2|cygwin|darwin|gnu|hpux*|irix6-5|sol2*|unixware) ORDINARY_LINK=yes ;;
3325
3326   ## On post 1.3 releases of NetBSD, gcc -nostdlib also clears the
3327   ## library search parth, i.e. it won't search /usr/lib for libc and
3328   ## friends.  Using -nostartfiles instead avoids this problem, and
3329   ## will also work on earlier NetBSD releases.
3330   netbsd|openbsd) LD_FIRSTFLAG="-nostartfiles" ;;
3331
3332   ## macpcc: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says
3333   ##   MkLinux/LinuxPPC needs this.
3334   ## ibms390x only supports opsys = gnu-linux so it can be added here.
3335   gnu-*)
3336     case "$machine" in
3337       macppc|ibms390x) LD_FIRSTFLAG="-nostdlib" ;;
3338     esac
3339     ;;
3340 esac
3341
3342
3343 if test "x$ORDINARY_LINK" = "xyes"; then
3344
3345   LD_FIRSTFLAG=""
3346   AC_DEFINE(ORDINARY_LINK, 1, [Define if the C compiler is the linker.])
3347
3348 ## The system files defining neither ORDINARY_LINK nor LD_FIRSTFLAG are:
3349 ## freebsd, gnu-* not on macppc|ibms390x.
3350 elif test "x$GCC" = "xyes" && test "x$LD_FIRSTFLAG" = "x"; then
3351
3352   ## Versions of GCC >= 2.0 put their library, libgcc.a, in obscure
3353   ## places that are difficult to figure out at make time.  Fortunately,
3354   ## these same versions allow you to pass arbitrary flags on to the
3355   ## linker, so there is no reason not to use it as a linker.
3356   ##
3357   ## Well, it is not quite perfect.  The "-nostdlib" keeps GCC from
3358   ## searching for libraries in its internal directories, so we have to
3359   ## ask GCC explicitly where to find libgcc.a (LIB_GCC below).
3360   LD_FIRSTFLAG="-nostdlib"
3361 fi
3362
3363 ## FIXME? What setting of EDIT_LDFLAGS should this have?
3364 test "$NS_IMPL_GNUSTEP" = "yes" && LD_FIRSTFLAG="-rdynamic"
3365
3366 AC_SUBST(LD_FIRSTFLAG)
3367
3368
3369 ## FIXME? The logic here is not precisely the same as that above.
3370 ## There is no check here for a pre-defined LD_FIRSTFLAG.
3371 ## Should we only be setting LIB_GCC if LD ~ -nostdlib?
3372 LIB_GCC=
3373 if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then
3374
3375   case "$opsys" in
3376     freebsd|netbsd|openbsd) LIB_GCC= ;;
3377
3378     gnu-*)
3379       ## armin76@gentoo.org reported that the lgcc_s flag is necessary to
3380       ## build on ARM EABI under GNU/Linux.  (Bug#5518)
3381       case $host_cpu in
3382       arm*)
3383         LIB_GCC="-lgcc_s"
3384         ;;
3385       *)
3386         ## FIXME? s/gnu-linux.h used to define LIB_GCC as below, then
3387         ## immediately undefine it again and redefine it to empty.
3388         ## Was the C_SWITCH_X_SITE part really necessary?
3389 ##      LIB_GCC=`$CC $C_SWITCH_X_SITE -print-libgcc-file-name`
3390         LIB_GCC=
3391         ;;
3392       esac
3393       ;;
3394
3395     ## Ask GCC where to find libgcc.a.
3396     *) LIB_GCC=`$CC -print-libgcc-file-name 2> /dev/null` ;;
3397   esac
3398 fi                              dnl if $GCC
3399 AC_SUBST(LIB_GCC)
3400
3401
3402 TOOLTIP_SUPPORT=
3403 WINDOW_SUPPORT=
3404 ## If we're using X11/GNUstep, define some consequences.
3405 if test "$HAVE_X_WINDOWS" = "yes" || test "$HAVE_NS" = "yes"; then
3406   AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
3407   AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.])
3408   MOUSE_SUPPORT="\$(REAL_MOUSE_SUPPORT)"
3409   TOOLTIP_SUPPORT="\${lispsource}/mouse.elc"
3410
3411   WINDOW_SUPPORT="\$(BASE_WINDOW_SUPPORT)"
3412   test "$HAVE_X_WINDOWS" = "yes" && \
3413     WINDOW_SUPPORT="$WINDOW_SUPPORT \$(X_WINDOW_SUPPORT)"
3414
3415 fi
3416 AC_SUBST(MOUSE_SUPPORT)
3417 AC_SUBST(TOOLTIP_SUPPORT)
3418 AC_SUBST(WINDOW_SUPPORT)
3419
3420
3421 AH_TOP([/* GNU Emacs site configuration template file.
3422
3423 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2011
3424   Free Software Foundation, Inc.
3425
3426 This file is part of GNU Emacs.
3427
3428 GNU Emacs is free software: you can redistribute it and/or modify
3429 it under the terms of the GNU General Public License as published by
3430 the Free Software Foundation, either version 3 of the License, or
3431 (at your option) any later version.
3432
3433 GNU Emacs is distributed in the hope that it will be useful,
3434 but WITHOUT ANY WARRANTY; without even the implied warranty of
3435 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
3436 GNU General Public License for more details.
3437
3438 You should have received a copy of the GNU General Public License
3439 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
3440
3441
3442 /* No code in Emacs #includes config.h twice, but some bits of code
3443    intended to work with other packages as well (like gmalloc.c)
3444    think they can include it as many times as they like.  */
3445 #ifndef EMACS_CONFIG_H
3446 #define EMACS_CONFIG_H
3447 ])dnl
3448
3449 AH_BOTTOM([
3450 /* Define AMPERSAND_FULL_NAME if you use the convention
3451    that & in the full name stands for the login id.  */
3452 /* Turned on June 1996 supposing nobody will mind it.  */
3453 #define AMPERSAND_FULL_NAME
3454
3455 /* If using GNU, then support inline function declarations.  */
3456 /* Don't try to switch on inline handling as detected by AC_C_INLINE
3457    generally, because even if non-gcc compilers accept `inline', they
3458    may reject `extern inline'.  */
3459 #if defined (__GNUC__)
3460 #define INLINE __inline__
3461 #else
3462 #define INLINE
3463 #endif
3464
3465 /* `subprocesses' should be defined if you want to
3466    have code for asynchronous subprocesses
3467    (as used in M-x compile and M-x shell).
3468    Only MSDOS does not support this (it overrides
3469    this in its config_opsysfile below).  */
3470
3471 #define subprocesses
3472
3473 /* Include the os and machine dependent files.  */
3474 #include config_opsysfile
3475 #ifdef config_machfile
3476 # include config_machfile
3477 #endif
3478
3479 /* GNUstep needs a bit more pure memory.  Of the existing knobs,
3480    SYSTEM_PURESIZE_EXTRA seems like the least likely to cause problems.
3481   (There is probably a better place to do this, but right now the
3482    Cocoa side does this in s/darwin.h and we cannot parallel this
3483    exactly since GNUstep is multi-OS.  */
3484 #if defined HAVE_NS && defined NS_IMPL_GNUSTEP
3485 #  define SYSTEM_PURESIZE_EXTRA 30000
3486 #endif
3487
3488 /* SIGTYPE is the macro we actually use.  */
3489 #ifndef SIGTYPE
3490 #define SIGTYPE RETSIGTYPE
3491 #endif
3492
3493 #ifdef emacs /* Don't do this for lib-src.  */
3494 /* Tell regex.c to use a type compatible with Emacs.  */
3495 #define RE_TRANSLATE_TYPE Lisp_Object
3496 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3497 #ifdef make_number
3498 /* If make_number is a macro, use it.  */
3499 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3500 #else
3501 /* If make_number is a function, avoid it.  */
3502 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3503 #endif
3504 #endif
3505
3506 /* These default definitions are good for almost all machines.
3507    The exceptions override them in m/MACHINE.h.  */
3508
3509 #ifndef BITS_PER_CHAR
3510 #define BITS_PER_CHAR 8
3511 #endif
3512
3513 #ifndef BITS_PER_SHORT
3514 #define BITS_PER_SHORT 16
3515 #endif
3516
3517 /* Note that lisp.h uses this in a preprocessor conditional, so it
3518    would not work to use sizeof.  That being so, we do all of them
3519    without sizeof, for uniformity's sake.  */
3520 #ifndef BITS_PER_INT
3521 #define BITS_PER_INT 32
3522 #endif
3523
3524 #ifndef BITS_PER_LONG
3525 #ifdef _LP64
3526 #define BITS_PER_LONG 64
3527 #else
3528 #define BITS_PER_LONG 32
3529 #endif
3530 #endif
3531
3532 /* Define if the compiler supports function prototypes.  It may do so but
3533    not define __STDC__ (e.g. DEC C by default) or may define it as zero.  */
3534 #undef PROTOTYPES
3535
3536 #include <string.h>
3537 #include <stdlib.h>
3538
3539 #ifdef HAVE_ALLOCA_H
3540 # include <alloca.h>
3541 #elif defined __GNUC__
3542 # define alloca __builtin_alloca
3543 #elif defined _AIX
3544 # define alloca __alloca
3545 #else
3546 # include <stddef.h>
3547 # ifdef  __cplusplus
3548 extern "C"
3549 # endif
3550 void *alloca (size_t);
3551 #endif
3552
3553 #ifndef HAVE_SIZE_T
3554 typedef unsigned size_t;
3555 #endif
3556
3557 #ifndef HAVE_STRCHR
3558 #define strchr(a, b) index (a, b)
3559 #endif
3560
3561 #ifndef HAVE_STRRCHR
3562 #define strrchr(a, b) rindex (a, b)
3563 #endif
3564
3565 #if defined __GNUC__ && (__GNUC__ > 2 \
3566                          || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3567 #define NO_RETURN       __attribute__ ((__noreturn__))
3568 #else
3569 #define NO_RETURN       /* nothing */
3570 #endif
3571
3572 #if __GNUC__ >= 3  /* On GCC 3.0 we might get a warning.  */
3573 #define NO_INLINE __attribute__((noinline))
3574 #else
3575 #define NO_INLINE
3576 #endif
3577
3578 #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))
3579 #define EXTERNALLY_VISIBLE __attribute__((externally_visible))
3580 #else
3581 #define EXTERNALLY_VISIBLE
3582 #endif
3583
3584 /* Some versions of GNU/Linux define noinline in their headers.  */
3585 #ifdef noinline
3586 #undef noinline
3587 #endif
3588
3589 /* These won't be used automatically yet.  We also need to know, at least,
3590    that the stack is continuous.  */
3591 #ifdef __GNUC__
3592 #  ifndef GC_SETJMP_WORKS
3593   /* GC_SETJMP_WORKS is nearly always appropriate for GCC.  */
3594 #    define GC_SETJMP_WORKS 1
3595 #  endif
3596 #  ifndef GC_LISP_OBJECT_ALIGNMENT
3597 #    define GC_LISP_OBJECT_ALIGNMENT (__alignof__ (Lisp_Object))
3598 #  endif
3599 #endif
3600
3601 #endif /* EMACS_CONFIG_H */
3602
3603 /*
3604 Local Variables:
3605 mode: c
3606 End:
3607 */
3608 ])dnl
3609
3610 #### Report on what we decided to do.
3611 #### Report GTK as a toolkit, even if it doesn't use Xt.
3612 #### It makes printing result more understandable as using GTK sets
3613 #### toolkit_scroll_bars to yes by default.
3614 if test "${HAVE_GTK}" = "yes"; then
3615   USE_X_TOOLKIT=GTK
3616 fi
3617
3618 and_machfile=
3619 if test -n "$machfile"; then
3620   and_machfile=" and \`${machfile}'"
3621 fi
3622
3623 echo "
3624 Configured for \`${canonical}'.
3625
3626   Where should the build process find the source code?    ${srcdir}
3627   What operating system and machine description files should Emacs use?
3628         \`${opsysfile}'${and_machfile}
3629   What compiler should emacs be built with?               ${CC} ${CFLAGS}
3630   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
3631   Should Emacs use a relocating allocator for buffers?    ${REL_ALLOC}
3632   Should Emacs use mmap(2) for buffer allocation?         $use_mmap_for_buffers
3633   What window system should Emacs use?                    ${window_system}
3634   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
3635
3636 if test -n "${x_includes}"; then
3637 echo "  Where do we find X Windows header files?                ${x_includes}"
3638 else
3639 echo "  Where do we find X Windows header files?                Standard dirs"
3640 fi
3641 if test -n "${x_libraries}"; then
3642 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
3643 else
3644 echo "  Where do we find X Windows libraries?                   Standard dirs"
3645 fi
3646
3647 echo "  Does Emacs use -lXaw3d?                                 ${HAVE_XAW3D}"
3648 echo "  Does Emacs use -lXpm?                                   ${HAVE_XPM}"
3649 echo "  Does Emacs use -ljpeg?                                  ${HAVE_JPEG}"
3650 echo "  Does Emacs use -ltiff?                                  ${HAVE_TIFF}"
3651 echo "  Does Emacs use a gif library?                           ${HAVE_GIF} $LIBGIF"
3652 echo "  Does Emacs use -lpng?                                   ${HAVE_PNG}"
3653 echo "  Does Emacs use -lrsvg-2?                                ${HAVE_RSVG}"
3654 echo "  Does Emacs use imagemagick?                             ${HAVE_IMAGEMAGICK}"
3655
3656 echo "  Does Emacs use -lgpm?                                   ${HAVE_GPM}"
3657 echo "  Does Emacs use -ldbus?                                  ${HAVE_DBUS}"
3658 echo "  Does Emacs use -lgconf?                                 ${HAVE_GCONF}"
3659 echo "  Does Emacs use -lselinux?                               ${HAVE_LIBSELINUX}"
3660 echo "  Does Emacs use -lgnutls?                                ${HAVE_GNUTLS}"
3661 echo "  Does Emacs use -lxml2?                                  ${HAVE_LIBXML2}"
3662
3663 echo "  Does Emacs use -lfreetype?                              ${HAVE_FREETYPE}"
3664 echo "  Does Emacs use -lm17n-flt?                              ${HAVE_M17N_FLT}"
3665 echo "  Does Emacs use -lotf?                                   ${HAVE_LIBOTF}"
3666 echo "  Does Emacs use -lxft?                                   ${HAVE_XFT}"
3667
3668 echo "  Does Emacs use toolkit scroll bars?                     ${USE_TOOLKIT_SCROLL_BARS}"
3669 echo
3670
3671 if test $USE_XASSERTS = yes; then
3672    echo "  Compiling with asserts turned on."
3673    CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3674 fi
3675
3676 echo
3677
3678 if test "$HAVE_NS" = "yes"; then
3679    echo
3680    echo "You must run \"make install\" in order to test the built application.
3681 The installed application will go to nextstep/Emacs.app and can be
3682 run or moved from there."
3683    if test "$EN_NS_SELF_CONTAINED" = "yes"; then
3684       echo "The application will be fully self-contained."
3685     else
3686       echo "The lisp resources for the application will be installed under ${prefix}.
3687 You may need to run \"make install\" with sudo.  The application will fail
3688 to run if these resources are not installed."
3689    fi
3690    echo
3691 fi
3692
3693
3694 # Remove any trailing slashes in these variables.
3695 [test "${prefix}" != NONE &&
3696   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3697 test "${exec_prefix}" != NONE &&
3698   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3699
3700 dnl You might wonder (I did) why epaths.h is generated by running make,
3701 dnl rather than just letting configure generate it from epaths.in.
3702 dnl One reason is that the various paths are not fully expanded (see above);
3703 dnl eg gamedir=${prefix}/var/games/emacs.
3704 dnl Secondly, the GNU Coding standards require that one should be able
3705 dnl to run `make prefix=/some/where/else' and override the values set
3706 dnl by configure.  This also explains the `move-if-change' test and
3707 dnl the use of force in the `epaths-force' rule in Makefile.in.
3708 AC_OUTPUT(Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
3709         doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
3710         doc/lispref/Makefile src/Makefile \
3711         lwlib/Makefile lisp/Makefile leim/Makefile test/automated/Makefile, [
3712
3713 ### Make the necessary directories, if they don't exist.
3714 for dir in etc lisp ; do
3715   test -d ${dir} || mkdir ${dir}
3716 done
3717
3718 echo creating src/epaths.h
3719 ${MAKE-make} epaths-force
3720
3721 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3722   echo creating src/.gdbinit
3723   echo source $srcdir/src/.gdbinit > src/.gdbinit
3724 fi
3725
3726 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPPFLAGS="$CPPFLAGS"])