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
   6 dnl  Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
   7 dnl  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 2, or (at your option)
  14 dnl  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; see the file COPYING.  If not, write to the
  23 dnl  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  24 dnl  Boston, MA 02110-1301, USA.
  25
  26 AC_PREREQ(2.61)dnl
  27 AC_INIT(src/lisp.h)
  28 AC_CONFIG_HEADER(src/config.h:src/config.in)
  29
  30 dnl Support for --program-prefix, --program-suffix and
  31 dnl --program-transform-name options
  32 AC_ARG_PROGRAM
  33
  34 lispdir='${datadir}/emacs/${version}/lisp'
  35 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
  36 '${datadir}/emacs/site-lisp'
  37 lisppath='${locallisppath}:${lispdir}:${datadir}/emacs/${version}/leim'
  38 etcdir='${datadir}/emacs/${version}/etc'
  39 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
  40 docdir='${datadir}/emacs/${version}/etc'
  41 gamedir='${localstatedir}/games/emacs'
  42
  43 gameuser=games
  44
  45 AC_ARG_WITH(gcc,
  46 [  --without-gcc           don't use GCC to compile Emacs if GCC is found])
  47 AC_ARG_WITH(pop,
  48 [  --without-pop           don't support POP mail retrieval with movemail],
  49 [if test "$withval" = yes; then
  50    AC_DEFINE(MAIL_USE_POP)
  51 else :
  52 fi],
  53 AC_DEFINE(MAIL_USE_POP))
  54 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
  55 AC_ARG_WITH(kerberos,
  56 [  --with-kerberos         support Kerberos-authenticated POP],
  57 [if test "$withval" = yes; then
  58    AC_DEFINE(KERBEROS)
  59 fi])
  60 AH_TEMPLATE(KERBEROS,
  61             [Define to support Kerberos-authenticated POP mail retrieval.])dnl
  62 AC_ARG_WITH(kerberos5,
  63 [  --with-kerberos5        support Kerberos version 5 authenticated POP],
  64 [if test "${with_kerberos5+set}" = set; then
  65   if test "${with_kerberos+set}" != set; then
  66     with_kerberos=yes
  67     AC_DEFINE(KERBEROS)
  68   fi
  69   AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
  70 fi])
  71 AC_ARG_WITH(hesiod,
  72 [  --with-hesiod           support Hesiod to get the POP server host],
  73 [if test "$withval" = yes; then
  74   AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
  75 fi])
  76
  77 AC_ARG_WITH(sound,
  78 [  --without-sound         don't compile with sound support])
  79
  80 dnl This should be the last --with option, because --with-x is
  81 dnl added later on when we find the path of X, and it's best to
  82 dnl keep them together visually.
  83 AC_ARG_WITH(x-toolkit,
  84 [  --with-x-toolkit=KIT    use an X toolkit
  85                               (KIT = yes/lucid/athena/motif/gtk/no)],
  86 [         case "${withval}" in
  87             y | ye | yes )      val=athena ;;
  88             n | no )            val=no  ;;
  89             l | lu | luc | luci | lucid )       val=lucid ;;
  90             a | at | ath | athe | athen | athena )      val=athena ;;
  91             m | mo | mot | moti | motif )       val=motif ;;
  92             g | gt | gtk  )     val=gtk ;;
  93 dnl These don't currently work.
  94 dnl         o | op | ope | open | open- | open-l | open-lo \
  95 dnl             | open-loo | open-look )        val=open-look ;;
  96             * )
  97 dnl AC_MSG_ERROR([the `--with-x-toolkit' option is supposed to have a value
  98 dnl which is `yes', `no', `lucid', `athena', `motif' or `open-look'.])
  99 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid\;
 100 this option's value should be `yes', `no', `lucid', `athena', `motif' or `gtk'.
 101 Currently, `yes', `athena' and `lucid' are synonyms.])
 102             ;;
 103           esac
 104           with_x_toolkit=$val
 105 ])
 106 AC_ARG_WITH(xpm,
 107 [  --with-xpm              use -lXpm for displaying XPM images])
 108 AC_ARG_WITH(jpeg,
 109 [  --with-jpeg             use -ljpeg for displaying JPEG images])
 110 AC_ARG_WITH(tiff,
 111 [  --with-tiff             use -ltiff for displaying TIFF images])
 112 AC_ARG_WITH(gif,
 113 [  --with-gif              use -lungif for displaying GIF images])
 114 AC_ARG_WITH(png,
 115 [  --with-png              use -lpng for displaying PNG images])
 116 AC_ARG_WITH(gpm,
 117 [  --with-gpm              use -lgpm for mouse support on a GNU/Linux console])
 118 AC_ARG_WITH(gtk,
 119 [  --with-gtk              use GTK (same as --with-x-toolkit=gtk)])
 120 AC_ARG_WITH(pkg-config-prog,
 121 [  --with-pkg-config-prog  Path to pkg-config to use for finding GTK])
 122 AC_ARG_WITH(toolkit-scroll-bars,
 123 [  --without-toolkit-scroll-bars
 124                           don't use Motif or Xaw3d scroll bars])
 125 AC_ARG_WITH(xim,
 126 [  --without-xim           don't use X11 XIM])
 127 AC_ARG_WITH(carbon,
 128 [  --without-carbon        don't use Carbon GUI on Mac OS X])
 129 AC_ARG_ENABLE(carbon-app,
 130 [[  --enable-carbon-app[=DIR]  [DIR=/Application]
 131                           specify install directory for Emacs.app on Mac OS X]],
 132 [ carbon_appdir_x=${enableval}])
 133
 134 AC_ARG_ENABLE(asserts,
 135 [  --enable-asserts        compile code with asserts enabled],
 136       USE_XASSERTS=$enableval,
 137       USE_XASSERTS=no)
 138
 139 AC_ARG_ENABLE(maintainer-mode,
 140 [  --enable-maintainer-mode enable make rules and dependencies not useful
 141                           (and sometimes confusing) to the casual installer],
 142       USE_MAINTAINER_MODE=$enableval,
 143       USE_MAINTAINER_MODE=no)
 144 if test $USE_MAINTAINER_MODE = yes; then
 145   MAINT=
 146 else
 147   MAINT=#
 148 fi
 149 AC_SUBST(MAINT)
 150
 151 AC_ARG_ENABLE(locallisppath,
 152 [  --enable-locallisppath=PATH
 153                           directories Emacs should search for lisp files
 154                           specific to this site],
 155 if test "${enableval}" = "no"; then
 156   locallisppath=
 157 elif test "${enableval}" != "yes"; then
 158   locallisppath=${enableval}
 159 fi)
 160
 161 #### Make srcdir absolute, if it isn't already.  It's important to
 162 #### avoid running the path through pwd unnecessarily, since pwd can
 163 #### give you automounter prefixes, which can go away.  We do all this
 164 #### so Emacs can find its files when run uninstalled.
 165 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
 166 unset CDPATH
 167 case "${srcdir}" in
 168   /* ) ;;
 169   . )
 170     ## We may be able to use the $PWD environment variable to make this
 171     ## absolute.  But sometimes PWD is inaccurate.
 172     ## Note: we used to use ${PWD} at the end instead of `pwd`,
 173     ## but that tested only for a well-formed and valid PWD,
 174     ## it did not object when PWD was well-formed and valid but just wrong.
 175     if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`"  ;
 176     then
 177       srcdir="$PWD"
 178     else
 179       srcdir="`(cd ${srcdir}; pwd)`"
 180     fi
 181   ;;
 182   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
 183 esac
 184
 185 #### Check if the source directory already has a configured system in it.
 186 if test `pwd` != `(cd ${srcdir} && pwd)` \
 187    && test -f "${srcdir}/src/config.h" ; then
 188   AC_MSG_WARN([[The directory tree `${srcdir}' is being used
 189    as a build directory right now; it has been configured in its own
 190    right.  To configure in another directory as well, you MUST
 191    use GNU make.  If you do not have GNU make, then you must
 192    now do `make distclean' in ${srcdir},
 193    and then run $0 again.]])
 194 fi
 195
 196 #### Given the configuration name, set machfile and opsysfile to the
 197 #### names of the m/*.h and s/*.h files we should use.
 198
 199 ### Canonicalize the configuration name.
 200
 201 AC_CANONICAL_HOST
 202 canonical=$host
 203 configuration=${host_alias-${build_alias-$host}}
 204
 205 dnl This used to use changequote, but, apart from `changequote is evil'
 206 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
 207 dnl the great gob of text.  Thus it's not processed for possible expansion.
 208 dnl Just make sure the brackets remain balanced.
 209 dnl
 210 dnl Since Emacs can't find matching pairs of quotes, boundaries are
 211 dnl indicated by comments.
 212 dnl quotation begins
 213 [
 214
 215 ### If you add support for a new configuration, add code to this
 216 ### switch statement to recognize your configuration name and select
 217 ### the appropriate operating system and machine description files.
 218
 219 ### You would hope that you could choose an m/*.h file pretty much
 220 ### based on the machine portion of the configuration name, and an s-
 221 ### file based on the operating system portion.  However, it turns out
 222 ### that each m/*.h file is pretty manufacturer-specific - for
 223 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
 224 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
 225 ### machines.  So we basically have to have a special case for each
 226 ### configuration name.
 227 ###
 228 ### As far as handling version numbers on operating systems is
 229 ### concerned, make sure things will fail in a fixable way.  If
 230 ### /etc/MACHINES doesn't say anything about version numbers, be
 231 ### prepared to handle anything reasonably.  If version numbers
 232 ### matter, be sure /etc/MACHINES says something about it.
 233 ###
 234 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 235 ### "System V Release 4"; he writes, "The old convention encouraged
 236 ### confusion between `system' and `release' levels'."
 237
 238 machine='' opsys='' unported=no
 239 case "${canonical}" in
 240
 241   ## FreeBSD ports
 242   *-*-freebsd* )
 243     opsys=freebsd
 244     case "${canonical}" in
 245       alpha*-*-freebsd*)        machine=alpha ;;
 246       ia64-*-freebsd*)          machine=ia64 ;;
 247       sparc64-*-freebsd*)       machine=sparc ;;
 248       powerpc-*-freebsd*)       machine=macppc ;;
 249       i[3456]86-*-freebsd*)     machine=intel386 ;;
 250       amd64-*-freebsd*|x86_64-*-freebsd*) machine=amdx86-64 ;;
 251     esac
 252   ;;
 253
 254   ## NetBSD ports
 255   *-*-netbsd* )
 256     opsys=netbsd
 257     if test -f /usr/lib/crti.o; then]
 258 dnl The close and open brackets here are because this section is quoted --
 259 dnl see the `changequote' comment above.
 260       AC_DEFINE(HAVE_CRTIN, [], [Define to 1 if you have /usr/lib/crti.o.])
 261 [   fi
 262
 263     case "${canonical}" in
 264       alpha*-*-netbsd*) machine=alpha ;;
 265       i[3456]86-*-netbsd*) machine=intel386 ;;
 266       m68k-*-netbsd*)
 267                         # This is somewhat bogus.
 268                         machine=hp9000s300 ;;
 269       mips-*-netbsd*)   machine=pmax ;;
 270       mipsel-*-netbsd*) machine=pmax ;;
 271       mipseb-*-netbsd*) machine=pmax ;;
 272       ns32k-*-netbsd*)  machine=ns32000 ;;
 273       powerpc-*-netbsd*) machine=macppc ;;
 274       sparc*-*-netbsd*) machine=sparc ;;
 275       vax-*-netbsd*)    machine=vax ;;
 276       arm-*-netbsd*)    machine=arm ;;
 277       x86_64-*-netbsd*) machine=amdx86-64 ;;
 278       hppa-*-netbsd*)   machine=hp800 ;;
 279       shle-*-netbsd*)   machine=sh3el ;;
 280     esac
 281   ;;
 282
 283   ## OpenBSD ports
 284   *-*-openbsd* )
 285     opsys=openbsd
 286     case "${canonical}" in
 287       alpha*-*-openbsd*)        machine=alpha ;;
 288       arm-*-openbsd*)          machine=arm ;;
 289       hppa-*-openbsd*)         machine=hp9000s300 ;;
 290       i386-*-openbsd*)         machine=intel386 ;;
 291       m68k-*-openbsd*)         machine=hp9000s300 ;;
 292       m88k-*-openbsd*)         machine=aviion ;;
 293       mips64-*-openbsd*)       machine=mips64 ;;
 294       powerpc-*-openbsd*)      machine=macppc ;;
 295       sh-*-openbsd*)           machine=sh3el ;;
 296       sparc*-*-openbsd*)       machine=sparc ;;
 297       vax-*-openbsd*)          machine=vax ;;
 298       x86_64-*-openbsd*)       machine=amdx86-64 ;;
 299     esac
 300   ;;
 301
 302   ## LynxOS ports
 303   *-*-lynxos* )
 304     opsys=lynxos
 305     case "${canonical}" in
 306       i[3456]86-*-lynxos*) machine=intel386 ;;
 307       powerpc-*-lynxos*) machine=powerpc ;;
 308     esac
 309   ;;
 310
 311   ## Acorn RISCiX:
 312   arm-acorn-riscix1.1* )
 313     machine=acorn opsys=riscix1-1
 314   ;;
 315   arm-acorn-riscix1.2* | arm-acorn-riscix )
 316     ## This name is riscix12 instead of riscix1.2
 317     ## to avoid a file name conflict on MSDOS.
 318     machine=acorn opsys=riscix12
 319   ;;
 320
 321   ## BSDI ports
 322   *-*-bsdi* )
 323     opsys=bsdi
 324     case "${canonical}" in
 325       i[345]86-*-bsdi*) machine=intel386 ;;
 326       sparc-*-bsdi*)  machine=sparc ;;
 327       powerpc-*-bsdi*)  machine=macppc ;;
 328     esac
 329     case "${canonical}" in
 330       *-*-bsd386* | *-*-bsdi1* )        opsys=bsd386 ;;
 331       *-*-bsdi2.0* )            opsys=bsdos2 ;;
 332       *-*-bsdi2* )              opsys=bsdos2-1 ;;
 333       *-*-bsdi3* )              opsys=bsdos3 ;;
 334       *-*-bsdi[45]* )           opsys=bsdos4 ;;
 335     esac
 336   ;;
 337
 338   ## Alliant machines
 339   ## Strictly speaking, we need the version of the alliant operating
 340   ## system to choose the right machine file, but currently the
 341   ## configuration name doesn't tell us enough to choose the right
 342   ## one; we need to give alliants their own operating system name to
 343   ## do this right.  When someone cares, they can help us.
 344   fx80-alliant-* )
 345     machine=alliant4 opsys=bsd4-2
 346   ;;
 347   i860-alliant-* )
 348     machine=alliant-2800 opsys=bsd4-3
 349   ;;
 350
 351   ## Alpha (DEC) machines.
 352   alpha*-dec-osf* )
 353     machine=alpha opsys=osf1
 354     # This is needed to find X11R6.1 libraries for certain tests.
 355     NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 356     GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 357     # NON_GNU_CPP is necessary on 5.0 to avoid mangling src/Makefile
 358     # due to non-traditional preprocessing with the current compiler
 359     # defaults.  OSF 4 can also have that compiler version, and there
 360     # seems always to have been a usable /usr/bin/cpp.
 361     NON_GNU_CPP=/usr/bin/cpp
 362     case "${canonical}" in
 363     alpha*-dec-osf[5-9]*)
 364       opsys=osf5-0 ;;
 365     esac
 366   ;;
 367
 368   alpha*-*-linux-gnu* )
 369     machine=alpha opsys=gnu-linux
 370   ;;
 371
 372   arm*-*-linux-gnu* )
 373     machine=arm opsys=gnu-linux
 374   ;;
 375
 376   ## Altos 3068
 377   m68*-altos-sysv* )
 378     machine=altos opsys=usg5-2
 379   ;;
 380
 381   ## Amdahl UTS
 382   580-amdahl-sysv* )
 383     machine=amdahl opsys=usg5-2-2
 384   ;;
 385
 386   ## Apollo, Domain/OS
 387   m68*-apollo-* )
 388     machine=apollo opsys=bsd4-3
 389   ;;
 390
 391   ## Apple Darwin / Mac OS X
 392   *-apple-darwin* )
 393     case "${canonical}" in
 394       i[3456]86-* )  machine=intel386 ;;
 395       powerpc-* )    machine=powermac ;;
 396       * )            unported=yes ;;
 397     esac
 398     opsys=darwin
 399     # Define CPP as follows to make autoconf work correctly.
 400     CPP="${CC-cc} -E -no-cpp-precomp"
 401     # Use fink packages if available.
 402     if test -d /sw/include && test -d /sw/lib; then
 403       GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
 404       CPP="${CPP} ${GCC_TEST_OPTIONS}"
 405       NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
 406     fi
 407   ;;
 408
 409   ## AT&T 3b2, 3b5, 3b15, 3b20
 410   we32k-att-sysv* )
 411     machine=att3b opsys=usg5-2-2
 412   ;;
 413
 414   ## AT&T 3b1 - The Mighty Unix PC!
 415   m68*-att-sysv* )
 416     machine=7300 opsys=usg5-2-2
 417   ;;
 418
 419   ## Bull dpx20
 420   rs6000-bull-bosx* )
 421     machine=ibmrs6000 opsys=aix3-2
 422   ;;
 423
 424   ## Bull dpx2
 425   m68*-bull-sysv3* )
 426     machine=dpx2 opsys=usg5-3
 427   ;;
 428
 429   ## Bull sps7
 430   m68*-bull-sysv2* )
 431     machine=sps7 opsys=usg5-2
 432   ;;
 433
 434   ## CCI 5/32, 6/32 -- see "Tahoe".
 435
 436   ## Celerity
 437   ## I don't know what configuration name to use for this; config.sub
 438   ## doesn't seem to know anything about it.  Hey, Celerity users, get
 439   ## in touch with us!
 440   celerity-celerity-bsd* )
 441     machine=celerity opsys=bsd4-2
 442   ;;
 443
 444   ## Clipper
 445   ## What operating systems does this chip run that Emacs has been
 446   ## tested on?
 447   clipper-* )
 448     machine=clipper
 449     ## We'll use the catch-all code at the bottom to guess the
 450     ## operating system.
 451   ;;
 452
 453   ## Compaq Nonstop
 454   mips-compaq-nonstopux* )
 455     machine=nonstopux opsys=nonstopux
 456     ;;
 457
 458   ## Convex
 459   *-convex-bsd* | *-convex-convexos* )
 460     machine=convex opsys=bsd4-3
 461     ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
 462     NON_GNU_CPP="cc -E -P"
 463   ;;
 464
 465   ## Cubix QBx/386
 466   i[3456]86-cubix-sysv* )
 467     machine=intel386 opsys=usg5-3
 468   ;;
 469
 470   ## Cydra 5
 471   cydra*-cydrome-sysv* )
 472     machine=cydra5 opsys=usg5-3
 473   ;;
 474
 475   ## Data General AViiON Machines
 476   ## DG changed naming conventions with the release of 5.4.4.10, they
 477   ## dropped the initial 5.4 but left the intervening R.  Because of the
 478   ## R this shouldn't conflict with older versions of the OS (which I
 479   ## think were named like dgux4.*). In addition, DG new AViiONs series
 480   ## uses either Motorola M88k or Intel Pentium CPUs.
 481   m88k-dg-dguxR4.* | m88k-dg-dgux4* )
 482     machine=aviion opsys=dgux4
 483   ;;
 484   m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
 485     ## This name is dgux5-4-3 instead of dgux5-4r3
 486     ## to avoid a file name conflict on MSDOS.
 487     machine=aviion opsys=dgux5-4-3
 488   ;;
 489   m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
 490     machine=aviion opsys=dgux5-4r2
 491   ;;
 492   m88k-dg-dgux* )
 493     machine=aviion opsys=dgux
 494   ;;
 495
 496   ## Data General AViiON Intel (x86) Machines
 497   ## Exists from 5.4.3 (current i586-dg-dguxR4.11)
 498   ## Ehud Karni, 1998-may-30, ehud@unix.simonwiesel.co.il
 499   i[345]86-dg-dguxR4* )
 500     machine=aviion-intel opsys=dgux4
 501   ;;
 502
 503   ## DECstations
 504   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 505     machine=pmax opsys=bsd4-2
 506   ;;
 507   mips-dec-ultrix4.[12]* | mips-dec-bsd* )
 508     machine=pmax opsys=bsd4-3
 509   ;;
 510   mips-dec-ultrix* )
 511     machine=pmax opsys=ultrix4-3
 512   ;;
 513   mips-dec-osf* )
 514     machine=pmax opsys=osf1
 515   ;;
 516   mips-dec-mach_bsd4.3* )
 517     machine=pmax opsys=mach-bsd4-3
 518   ;;
 519
 520   ## Motorola Delta machines
 521   m68k-motorola-sysv* | m68000-motorola-sysv* )
 522     machine=delta opsys=usg5-3
 523     if test -z "`type gnucc | grep 'not found'`"
 524     then
 525       if test -s /etc/167config
 526       then CC="gnucc -m68040"
 527       else CC="gnucc -m68881"
 528       fi
 529     else
 530       if test -z "`type gcc | grep 'not found'`"
 531       then CC=gcc
 532       else CC=cc
 533       fi
 534     fi
 535   ;;
 536   m88k-motorola-sysv4* )
 537     # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
 538     # needs POSIX_SIGNALS and therefore needs usg5-4-2.
 539     # I hope there are not other 4.0 versions for this machine
 540     # which really need usg5-4 instead.
 541     machine=delta88k opsys=usg5-4-2
 542   ;;
 543   m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
 544     machine=delta88k opsys=usg5-3
 545   ;;
 546
 547   ## Dual machines
 548   m68*-dual-sysv* )
 549     machine=dual opsys=usg5-2
 550   ;;
 551   m68*-dual-uniplus* )
 552     machine=dual opsys=unipl5-2
 553   ;;
 554
 555   ## Elxsi 6400
 556   elxsi-elxsi-sysv* )
 557     machine=elxsi opsys=usg5-2
 558   ;;
 559
 560   ## Encore machines
 561   ns16k-encore-bsd* )
 562     machine=ns16000 opsys=umax
 563   ;;
 564
 565   ## The GEC 63 - apparently, this port isn't really finished yet.
 566   #  I'm sure we finished off the last of the machines, though.  -- fx
 567
 568   ## Gould Power Node and NP1
 569   pn-gould-bsd4.2* )
 570     machine=gould opsys=bsd4-2
 571   ;;
 572   pn-gould-bsd4.3* )
 573     machine=gould opsys=bsd4-3
 574   ;;
 575   np1-gould-bsd* )
 576     machine=gould-np1 opsys=bsd4-3
 577   ;;
 578
 579   ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
 580   ## as far as Emacs is concerned).
 581   m88k-harris-cxux* )
 582     # Build needs to be different on 7.0 and later releases
 583     case "`uname -r`" in
 584        [56].[0-9] ) machine=nh4000 opsys=cxux ;;
 585        [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
 586     esac
 587     NON_GNU_CPP="/lib/cpp"
 588   ;;
 589   ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
 590   m68k-harris-cxux* )
 591     machine=nh3000 opsys=cxux
 592   ;;
 593   ## Harris power pc NightHawk running Power UNIX (Series 6000)
 594   powerpc-harris-powerunix )
 595     machine=nh6000 opsys=powerunix
 596     NON_GNU_CPP="cc -Xo -E -P"
 597   ;;
 598   ## SR2001/SR2201 running HI-UX/MPP
 599   hppa1.1-hitachi-hiuxmpp* )
 600     machine=sr2k opsys=hiuxmpp
 601   ;;
 602   hppa1.1-hitachi-hiuxwe2* )
 603     machine=sr2k opsys=hiuxwe2
 604   ;;
 605   ## Honeywell XPS100
 606   xps*-honeywell-sysv* )
 607     machine=xps100 opsys=usg5-2
 608   ;;
 609
 610   ## HP 9000 series 200 or 300
 611   m68*-hp-bsd* )
 612     machine=hp9000s300 opsys=bsd4-3
 613   ;;
 614   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 615   m68*-hp-hpux* )
 616     case "`uname -r`" in
 617       ## Someone's system reports A.B8.05 for this.
 618       ## I wonder what other possibilities there are.
 619       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 620       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 621       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 622       *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
 623       *) machine=hp9000s300 opsys=hpux ;;
 624     esac
 625   ;;
 626
 627   ## HP 9000 series 700 and 800, running HP/UX
 628   hppa*-hp-hpux7* )
 629     machine=hp800 opsys=hpux
 630   ;;
 631   hppa*-hp-hpux8* )
 632     machine=hp800 opsys=hpux8
 633   ;;
 634   hppa*-hp-hpux9shr* )
 635     machine=hp800 opsys=hpux9shr
 636   ;;
 637   hppa*-hp-hpux9* )
 638     machine=hp800 opsys=hpux9
 639   ;;
 640   hppa*-hp-hpux10.2* )
 641     machine=hp800 opsys=hpux10-20
 642   ;;
 643   hppa*-hp-hpux10* )
 644     machine=hp800 opsys=hpux10
 645   ;;
 646   hppa*-hp-hpux1[1-9]* )
 647     machine=hp800 opsys=hpux11
 648     CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
 649   ;;
 650
 651   hppa*-*-linux-gnu* )
 652     machine=hp800 opsys=gnu-linux
 653   ;;
 654
 655   ## HP 9000 series 700 and 800, running HP/UX
 656   hppa*-hp-hpux* )
 657     ## Cross-compilation?  Nah!
 658     case "`uname -r`" in
 659       ## Someone's system reports A.B8.05 for this.
 660       ## I wonder what other possibilities there are.
 661       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 662       *.08.* ) machine=hp800 opsys=hpux8 ;;
 663       *.09.* ) machine=hp800 opsys=hpux9 ;;
 664       *) machine=hp800 opsys=hpux10 ;;
 665     esac
 666   ;;
 667   hppa*-*-nextstep* )
 668     machine=hp800 opsys=nextstep
 669   ;;
 670
 671   ## Orion machines
 672   orion-orion-bsd* )
 673     machine=orion opsys=bsd4-2
 674   ;;
 675   clipper-orion-bsd* )
 676     machine=orion105 opsys=bsd4-2
 677   ;;
 678
 679   ## IBM machines
 680   i[3456]86-ibm-aix1.1* )
 681     machine=ibmps2-aix opsys=usg5-2-2
 682   ;;
 683   i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
 684     machine=ibmps2-aix opsys=usg5-3
 685   ;;
 686   i370-ibm-aix*)
 687     machine=ibm370aix opsys=usg5-3
 688   ;;
 689   s390-*-linux-gnu* )
 690     machine=ibms390 opsys=gnu-linux
 691   ;;
 692   s390x-*-linux-gnu* )
 693     machine=ibms390x opsys=gnu-linux
 694   ;;
 695   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 696     machine=ibmrs6000 opsys=aix3-1
 697   ;;
 698   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 699     machine=ibmrs6000 opsys=aix3-2-5
 700   ;;
 701   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 702     machine=ibmrs6000 opsys=aix4-1
 703   ;;
 704   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
 705     machine=ibmrs6000 opsys=aix4-2
 706   ;;
 707   rs6000-ibm-aix4.3* | powerpc-ibm-aix4.3*  )
 708     machine=ibmrs6000 opsys=aix4-2
 709   ;;
 710   rs6000-ibm-aix5* | powerpc-ibm-aix5*  )
 711     machine=ibmrs6000 opsys=aix4-2
 712   ;;
 713   rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
 714     machine=ibmrs6000 opsys=aix4
 715   ;;
 716   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 717     machine=ibmrs6000 opsys=aix4-1
 718   ;;
 719   rs6000-ibm-aix* | powerpc-ibm-aix* )
 720     machine=ibmrs6000 opsys=aix3-2
 721   ;;
 722   romp-ibm-bsd4.3* )
 723     machine=ibmrt opsys=bsd4-3
 724   ;;
 725   romp-ibm-bsd4.2* )
 726     machine=ibmrt opsys=bsd4-2
 727   ;;
 728   romp-ibm-aos4.3* )
 729     machine=ibmrt opsys=bsd4-3
 730   ;;
 731   romp-ibm-aos4.2* )
 732     machine=ibmrt opsys=bsd4-2
 733   ;;
 734   romp-ibm-aos* )
 735     machine=ibmrt opsys=bsd4-3
 736   ;;
 737   romp-ibm-bsd* )
 738     machine=ibmrt opsys=bsd4-3
 739   ;;
 740   romp-ibm-aix* )
 741     machine=ibmrt-aix opsys=usg5-2-2
 742   ;;
 743
 744   ## Integrated Solutions `Optimum V'
 745   m68*-isi-bsd4.2* )
 746     machine=isi-ov opsys=bsd4-2
 747   ;;
 748   m68*-isi-bsd4.3* )
 749     machine=isi-ov opsys=bsd4-3
 750   ;;
 751
 752   ## Intel 386 machines where we do care about the manufacturer
 753   i[3456]86-intsys-sysv* )
 754     machine=is386 opsys=usg5-2-2
 755   ;;
 756
 757   ## Prime EXL
 758   i[3456]86-prime-sysv* )
 759     machine=i386 opsys=usg5-3
 760   ;;
 761
 762   ## Sequent Symmetry running Dynix
 763   i[3456]86-sequent-bsd* )
 764     machine=symmetry opsys=bsd4-3
 765   ;;
 766
 767   ## Sequent Symmetry running ptx 4, which is a modified SVR4.
 768   i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
 769     machine=sequent-ptx opsys=ptx4
 770     NON_GNU_CPP=/lib/cpp
 771   ;;
 772
 773   ## Sequent Symmetry running DYNIX/ptx
 774   ## Use the old cpp rather than the newer ANSI one.
 775   i[3456]86-sequent-ptx* )
 776     machine=sequent-ptx opsys=ptx
 777     NON_GNU_CPP="/lib/cpp"
 778   ;;
 779
 780   ## ncr machine running svr4.3.
 781   i[3456]86-ncr-sysv4.3 )
 782     machine=ncr386 opsys=usg5-4-3
 783   ;;
 784
 785   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 786   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 787   i[3456]86-ncr-sysv* )
 788     machine=ncr386 opsys=usg5-4-2
 789   ;;
 790
 791   ## Intel Paragon OSF/1
 792   i860-intel-osf1* )
 793     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 794   ;;
 795
 796   ## Intel 860
 797   i860-*-sysv4* )
 798     machine=i860 opsys=usg5-4
 799     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 800     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 801   ;;
 802
 803   ## Macintosh PowerPC
 804   powerpc*-*-linux-gnu* )
 805     machine=macppc opsys=gnu-linux
 806   ;;
 807
 808   ## Masscomp machines
 809   m68*-masscomp-rtu* )
 810     machine=masscomp opsys=rtu
 811   ;;
 812
 813   ## Megatest machines
 814   m68*-megatest-bsd* )
 815     machine=mega68 opsys=bsd4-2
 816   ;;
 817
 818   ## Workstations sold by MIPS
 819   ## This is not necessarily all workstations using the MIPS processor -
 820   ## Irises are produced by SGI, and DECstations by DEC.
 821
 822   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 823   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 824   ## it gives for choosing between the alternatives seems to be "Use
 825   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 826   ## the BSD world."  I'll assume that these are instructions for
 827   ## handling two odd situations, and that every other situation
 828   ## should use mips.h and usg5-2-2, they being listed first.
 829   mips-mips-usg* )
 830     machine=mips4
 831     ## Fall through to the general code at the bottom to decide on the OS.
 832   ;;
 833   mips-mips-riscos4* )
 834     machine=mips4 opsys=bsd4-3
 835     NON_GNU_CC="cc -systype bsd43"
 836     NON_GNU_CPP="cc -systype bsd43 -E"
 837   ;;
 838   mips-mips-riscos5* )
 839     machine=mips4 opsys=riscos5
 840     NON_GNU_CC="cc -systype bsd43"
 841     NON_GNU_CPP="cc -systype bsd43 -E"
 842   ;;
 843   mips-mips-bsd* )
 844     machine=mips opsys=bsd4-3
 845   ;;
 846   mips-mips-* )
 847     machine=mips opsys=usg5-2-2
 848   ;;
 849
 850   ## NeXT
 851   m68*-next-* | m68k-*-nextstep* )
 852     machine=m68k opsys=nextstep
 853   ;;
 854
 855   ## The complete machine from National Semiconductor
 856   ns32k-ns-genix* )
 857     machine=ns32000 opsys=usg5-2
 858   ;;
 859
 860   ## NCR machines
 861   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 862     machine=tower32 opsys=usg5-2-2
 863   ;;
 864   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 865     machine=tower32v3 opsys=usg5-3
 866   ;;
 867
 868   ## NEC EWS4800
 869   mips-nec-sysv4*)
 870   machine=ews4800 opsys=ux4800
 871   ;;
 872
 873   ## Nixdorf Targon 31
 874   m68*-nixdorf-sysv* )
 875     machine=targon31 opsys=usg5-2-2
 876   ;;
 877
 878   ## Nu (TI or LMI)
 879   m68*-nu-sysv* )
 880     machine=nu opsys=usg5-2
 881   ;;
 882
 883   ## Plexus
 884   m68*-plexus-sysv* )
 885     machine=plexus opsys=usg5-2
 886   ;;
 887
 888   ## Pyramid machines
 889   ## I don't really have any idea what sort of processor the Pyramid has,
 890   ## so I'm assuming it is its own architecture.
 891   pyramid-pyramid-bsd* )
 892     machine=pyramid opsys=bsd4-2
 893   ;;
 894
 895   ## Sequent Balance
 896   ns32k-sequent-bsd4.2* )
 897     machine=sequent opsys=bsd4-2
 898   ;;
 899   ns32k-sequent-bsd4.3* )
 900     machine=sequent opsys=bsd4-3
 901   ;;
 902
 903   ## Siemens Nixdorf
 904   mips-siemens-sysv* | mips-sni-sysv*)
 905     machine=mips-siemens opsys=usg5-4
 906     NON_GNU_CC=/usr/ccs/bin/cc
 907     NON_GNU_CPP=/usr/ccs/lib/cpp
 908   ;;
 909
 910   ## Silicon Graphics machines
 911   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 912   m68*-sgi-iris3.5* )
 913     machine=irist opsys=iris3-5
 914   ;;
 915   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 916     machine=irist opsys=iris3-6
 917   ;;
 918   ## Iris 4D
 919   mips-sgi-irix3* )
 920     machine=iris4d opsys=irix3-3
 921   ;;
 922   mips-sgi-irix4* )
 923     machine=iris4d opsys=irix4-0
 924   ;;
 925   mips-sgi-irix6.5 )
 926     machine=iris4d opsys=irix6-5
 927     # Without defining _LANGUAGE_C, things get masked out in the headers
 928     # so that, for instance, grepping for `free' in stdlib.h fails and
 929     # AC_HEADER_STD_C fails.   (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
 930     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 931     NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
 932   ;;
 933   mips-sgi-irix6* )
 934     machine=iris4d opsys=irix6-0
 935     # It's not clear whether -D_LANGUAGE_C is necessary as it is for 6.5,
 936     # but presumably it does no harm.
 937     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 938     # -32 probably isn't necessary in later v.6s -- anyone know which?
 939     NON_GCC_TEST_OPTIONS=-32
 940   ;;
 941   mips-sgi-irix5.[01]* )
 942     machine=iris4d opsys=irix5-0
 943   ;;
 944   mips-sgi-irix5* | mips-sgi-irix* )
 945     machine=iris4d opsys=irix5-2
 946   ;;
 947
 948   ## SONY machines
 949   m68*-sony-bsd4.2* )
 950     machine=news opsys=bsd4-2
 951   ;;
 952   m68*-sony-bsd4.3* )
 953     machine=news opsys=bsd4-3
 954   ;;
 955   m68*-sony-newsos3* | m68*-sony-news3*)
 956     machine=news opsys=bsd4-3
 957   ;;
 958   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 959     machine=news-risc opsys=bsd4-3
 960   ;;
 961   mips-sony-newsos6* )
 962     machine=news-r6 opsys=newsos6
 963   ;;
 964   mips-sony-news* )
 965     machine=news-risc opsys=newsos5
 966   ;;
 967
 968   ## Stride
 969   m68*-stride-sysv* )
 970     machine=stride opsys=usg5-2
 971   ;;
 972
 973   ## Suns
 974   sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
 975     machine=sparc opsys=gnu-linux
 976   ;;
 977
 978   *-auspex-sunos* | *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 979     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 980     | rs6000-*-solaris2*)
 981     case "${canonical}" in
 982       m68*-sunos1* )    machine=sun1 ;;
 983       m68*-sunos2* )    machine=sun2 ;;
 984       m68* )            machine=sun3 ;;
 985       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
 986       i[3456]86-*-* )     machine=intel386 ;;
 987       amd64-*-*|x86_64-*-*)     machine=amdx86-64 ;;
 988       powerpcle* )      machine=powerpcle ;;
 989       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 990       sparc* )          machine=sparc ;;
 991       * )               unported=yes ;;
 992     esac
 993     case "${canonical}" in
 994       ## The Sun386 didn't get past 4.0.
 995       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
 996       *-sunos4.0*         ) opsys=sunos4-0 ;;
 997       *-sunos4.1.[3-9]*noshare )
 998                 ## This name is sunos413 instead of sunos4-1-3
 999                 ## to avoid a file name conflict on MSDOS.
1000                 opsys=sunos413
1001                 NON_GNU_CPP=/usr/lib/cpp
1002                 NON_GCC_TEST_OPTIONS=-Bstatic
1003                 GCC_TEST_OPTIONS=-static
1004                 ;;
1005       *-sunos4.1.[3-9]* | *-sunos4shr*)
1006                 opsys=sunos4shr
1007                 NON_GNU_CPP=/usr/lib/cpp
1008                 ;;
1009       *-sunos4* | *-sunos )
1010                 opsys=sunos4-1
1011                 NON_GCC_TEST_OPTIONS=-Bstatic
1012                 GCC_TEST_OPTIONS=-static
1013                 ;;
1014       *-sunos5.3* | *-solaris2.3* )
1015                 opsys=sol2-3
1016                 NON_GNU_CPP=/usr/ccs/lib/cpp
1017                 ;;
1018       *-sunos5.4* | *-solaris2.4* )
1019                 opsys=sol2-4
1020                 NON_GNU_CPP=/usr/ccs/lib/cpp
1021                 RANLIB="ar -ts"
1022                 ;;
1023       *-sunos5.5* | *-solaris2.5* )
1024                 opsys=sol2-5
1025                 NON_GNU_CPP=/usr/ccs/lib/cpp
1026                 RANLIB="ar -ts"
1027                 ;;
1028       *-sunos5.6* | *-solaris2.6* )
1029                 opsys=sol2-6
1030                 NON_GNU_CPP=/usr/ccs/lib/cpp
1031                 RANLIB="ar -ts"
1032                 ;;
1033       *-sunos5* | *-solaris* )
1034                 opsys=sol2-6
1035 ## FIXME: make this into a proper fix that checks the compiler type,
1036 ## rather than relying on path. Or is /usr/ccs/lib/cpp a bad default now?
1037                 if [ "x$CC" = x/opt/SUNWspro/bin/cc ]; then
1038                   ## -Xs prevents spurious whitespace.
1039                   NON_GNU_CPP="/opt/SUNWspro/bin/cc -E -Xs"
1040                 else
1041                   NON_GNU_CPP=/usr/ccs/lib/cpp
1042                 fi
1043                 ;;
1044       *                   ) opsys=bsd4-2   ;;
1045     esac
1046     ## Watch out for a compiler that we know will not work.
1047     case "${canonical}" in
1048      *-solaris* | *-sunos5* )
1049                 if [ "x$CC" = x/usr/ucb/cc ]; then
1050                   ## /usr/ucb/cc doesn't work;
1051                   ## we should find some other compiler that does work.
1052                   unset CC
1053                 fi
1054                 ;;
1055       *) ;;
1056     esac
1057   ;;
1058   sparc-*-nextstep* )
1059     machine=sparc opsys=nextstep
1060   ;;
1061
1062   ## Tadpole 68k
1063   m68*-tadpole-sysv* )
1064     machine=tad68k opsys=usg5-3
1065   ;;
1066
1067   ## Tahoe machines
1068   tahoe-tahoe-bsd4.2* )
1069     machine=tahoe opsys=bsd4-2
1070   ;;
1071   tahoe-tahoe-bsd4.3* )
1072     machine=tahoe opsys=bsd4-3
1073   ;;
1074
1075   ## Tandem Integrity S2
1076   mips-tandem-sysv* )
1077     machine=tandem-s2 opsys=usg5-3
1078   ;;
1079
1080   ## Tektronix XD88
1081   m88k-tektronix-sysv3* )
1082   machine=tekxd88 opsys=usg5-3
1083   ;;
1084
1085   ## Tektronix 16000 box (6130?)
1086   ns16k-tektronix-bsd* )
1087     machine=ns16000 opsys=bsd4-2
1088   ;;
1089   ## Tektronix 4300
1090   ## src/m/tek4300.h hints that this is a m68k machine.
1091   m68*-tektronix-bsd* )
1092     machine=tek4300 opsys=bsd4-3
1093   ;;
1094
1095   ## Titan P2 or P3
1096   ## We seem to have lost the machine-description file titan.h!
1097   titan-titan-sysv* )
1098     machine=titan opsys=usg5-3
1099   ;;
1100
1101   ## Ustation E30 (SS5E)
1102   m68*-unisys-uniplus* )
1103     machine=ustation opsystem=unipl5-2
1104   ;;
1105
1106   ## Vaxen.
1107   vax-dec-* )
1108     machine=vax
1109     case "${canonical}" in
1110       *-bsd4.1* )                                       opsys=bsd4-1 ;;
1111       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
1112       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
1113       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
1114       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
1115       *-vms* )                                          opsys=vms ;;
1116       * )                                               unported=yes
1117     esac
1118   ;;
1119
1120   ## Whitechapel MG1
1121   ns16k-whitechapel-* )
1122     machine=mg1
1123     ## We don't know what sort of OS runs on these; we'll let the
1124     ## operating system guessing code below try.
1125   ;;
1126
1127   ## Wicat
1128   m68*-wicat-sysv* )
1129     machine=wicat opsys=usg5-2
1130   ;;
1131
1132   ## IA-64
1133   ia64*-*-linux* )
1134     machine=ia64 opsys=gnu-linux
1135   ;;
1136
1137   ## Intel 386 machines where we don't care about the manufacturer
1138   i[3456]86-*-* )
1139     machine=intel386
1140     case "${canonical}" in
1141       *-cygwin )                opsys=cygwin ;;
1142       *-darwin* )               opsys=darwin
1143                                 CPP="${CC-cc} -E -no-cpp-precomp"
1144                                 ;;
1145       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
1146       *-isc2.2* )               opsys=isc2-2 ;;
1147       *-isc4.0* )               opsys=isc4-0 ;;
1148       *-isc4.* )                opsys=isc4-1
1149                                 GCC_TEST_OPTIONS=-posix
1150                                 NON_GCC_TEST_OPTIONS=-Xp
1151                                 ;;
1152       *-isc* )                  opsys=isc3-0 ;;
1153       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
1154       *-esix* )                 opsys=esix ;;
1155       *-xenix* )                opsys=xenix ;;
1156       *-linux-gnu* )            opsys=gnu-linux ;;
1157       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
1158       *-sco3.2v5* )             opsys=sco5
1159                                 NON_GNU_CPP=/lib/cpp
1160                                 # Prevent -belf from being passed to $CPP.
1161                                 # /lib/cpp does not accept it.
1162                                 OVERRIDE_CPPFLAGS=" "
1163                                 ;;
1164       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1165       *-sysv5uw* )              opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1166       *-sysv5OpenUNIX* )        opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1167       *-386bsd* )               opsys=386bsd ;;
1168       *-nextstep* )             opsys=nextstep ;;
1169       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
1170     esac
1171   ;;
1172
1173   ## m68k Linux-based GNU system
1174   m68k-*-linux-gnu* )
1175     machine=m68k opsys=gnu-linux
1176   ;;
1177
1178   ## Mips Linux-based GNU system
1179   mips-*-linux-gnu* | mipsel-*-linux-gnu* )
1180     machine=mips opsys=gnu-linux
1181   ;;
1182
1183   ## UXP/DS
1184   sparc-fujitsu-sysv4* )
1185     machine=sparc opsys=uxpds
1186     NON_GNU_CPP=/usr/ccs/lib/cpp
1187     RANLIB="ar -ts"
1188   ;;
1189
1190   ## UXP/V
1191   f301-fujitsu-uxpv4.1)
1192     machine=f301 opsys=uxpv
1193   ;;
1194
1195   ## AMD x86-64 Linux-based GNU system
1196   x86_64-*-linux-gnu* )
1197     machine=amdx86-64 opsys=gnu-linux
1198   ;;
1199
1200   ## Tensilica Xtensa Linux-based GNU system
1201   xtensa-*-linux-gnu* )
1202     machine=xtensa opsys=gnu-linux
1203     ;;
1204
1205   * )
1206     unported=yes
1207   ;;
1208 esac
1209
1210 ### If the code above didn't choose an operating system, just choose
1211 ### an operating system based on the configuration name.  You really
1212 ### only want to use this when you have no idea what the right
1213 ### operating system is; if you know what operating systems a machine
1214 ### runs, it's cleaner to make it explicit in the case statement
1215 ### above.
1216 if test x"${opsys}" = x; then
1217   case "${canonical}" in
1218     *-gnu* )                            opsys=gnu ;;
1219     *-bsd4.[01] )                       opsys=bsd4-1 ;;
1220     *-bsd4.2 )                          opsys=bsd4-2 ;;
1221     *-bsd4.3 )                          opsys=bsd4-3 ;;
1222     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
1223     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
1224     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
1225     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
1226     *-sysv4.2uw* )                      opsys=unixware ;;
1227     *-sysv5uw* )                        opsys=unixware ;;
1228     *-sysv5OpenUNIX* )                  opsys=unixware ;;
1229     *-sysv4.1* | *-sysvr4.1* )
1230         NON_GNU_CPP=/usr/lib/cpp
1231         opsys=usg5-4 ;;
1232     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
1233         if [ x$NON_GNU_CPP = x ]; then
1234           if [ -f /usr/ccs/lib/cpp ]; then
1235             NON_GNU_CPP=/usr/ccs/lib/cpp
1236           else
1237             NON_GNU_CPP=/lib/cpp
1238           fi
1239         fi
1240         opsys=usg5-4-2 ;;
1241     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
1242     * )
1243       unported=yes
1244     ;;
1245   esac
1246 fi
1247
1248 ]
1249 dnl quotation ends
1250
1251 if test $unported = yes; then
1252   AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
1253 Check `etc/MACHINES' for recognized configuration names.])
1254 fi
1255
1256 machfile="m/${machine}.h"
1257 opsysfile="s/${opsys}.h"
1258
1259
1260 #### Choose a compiler.
1261 test -n "$CC" && cc_specified=yes
1262
1263 # Save the value of CFLAGS that the user specified.
1264 SPECIFIED_CFLAGS="$CFLAGS"
1265
1266 case ${with_gcc} in
1267   "yes" ) CC="gcc" GCC=yes ;;
1268   "no"  ) : ${CC=cc} ;;
1269   * )
1270 esac
1271 AC_PROG_CC
1272
1273 # On Suns, sometimes $CPP names a directory.
1274 if test -n "$CPP" && test -d "$CPP"; then
1275   CPP=
1276 fi
1277
1278 #### Some systems specify a CPP to use unless we are using GCC.
1279 #### Now that we know whether we are using GCC, we can decide whether
1280 #### to use that one.
1281 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1282 then
1283   CPP="$NON_GNU_CPP"
1284 fi
1285
1286 #### Some systems specify a CC to use unless we are using GCC.
1287 #### Now that we know whether we are using GCC, we can decide whether
1288 #### to use that one.
1289 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1290   test x$cc_specified != xyes
1291 then
1292   CC="$NON_GNU_CC"
1293 fi
1294
1295 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1296 then
1297   CC="$CC $GCC_TEST_OPTIONS"
1298 fi
1299
1300 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1301 then
1302   CC="$CC $NON_GCC_TEST_OPTIONS"
1303 fi
1304
1305 dnl checks for Unix variants
1306 AC_AIX
1307 AC_GNU_SOURCE
1308
1309 ### Use -Wno-pointer-sign if the compiler supports it
1310 AC_MSG_CHECKING([whether gcc understands -Wno-pointer-sign])
1311 SAVE_CFLAGS="$CFLAGS"
1312 CFLAGS="$CFLAGS -Wno-pointer-sign"
1313 AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)
1314 if test $has_option = yes; then
1315    C_WARNINGS_SWITCH="-Wno-pointer-sign $C_WARNINGS_SWITCH"
1316 fi
1317 AC_MSG_RESULT($has_option)
1318 CFLAGS="$SAVE_CFLAGS"
1319 unset has_option
1320 unset SAVE_CFLAGS
1321
1322 #### Some other nice autoconf tests.
1323
1324 dnl checks for programs
1325 AC_PROG_LN_S
1326 AC_PROG_CPP
1327 AC_PROG_INSTALL
1328 if test "x$RANLIB" = x; then
1329   AC_PROG_RANLIB
1330 fi
1331 AC_PATH_PROG(INSTALL_INFO, install-info)
1332 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
1333 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
1334 dnl Don't use GZIP, which is used by gzip for additional parameters.
1335 AC_PATH_PROG(GZIP_PROG, gzip)
1336
1337 dnl Add our options to ac_link now, after it is set up.
1338
1339 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1340 then
1341   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1342 fi
1343
1344 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1345 then
1346   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1347 fi
1348
1349 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1350 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1351 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1352 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1353 dnl if not built to support GNU ld.
1354
1355 late_LDFLAGS=$LDFLAGS
1356 if test "$GCC" = yes; then
1357   LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
1358 else
1359   LDFLAGS="$LDFLAGS -znocombreloc"
1360 fi
1361
1362 AC_MSG_CHECKING([for -znocombreloc])
1363 AC_LINK_IFELSE([main(){return 0;}],
1364   [AC_MSG_RESULT(yes)],
1365   LDFLAGS=$late_LDFLAGS
1366   [AC_MSG_RESULT(no)])
1367
1368 #### Extract some information from the operating system and machine files.
1369
1370 AC_CHECKING([the machine- and system-dependent files to find out
1371  - which libraries the lib-src programs will want, and
1372  - whether the GNU malloc routines are usable])
1373
1374 ### First figure out CFLAGS (which we use for running the compiler here)
1375 ### and REAL_CFLAGS (which we use for real compilation).
1376 ### The two are the same except on a few systems, where they are made
1377 ### different to work around various lossages.  For example,
1378 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1379 ### as implying static linking.
1380
1381 ### If the CFLAGS env var is specified, we use that value
1382 ### instead of the default.
1383
1384 ### It's not important that this name contain the PID; you can't run
1385 ### two configures in the same directory and have anything work
1386 ### anyway.
1387 tempcname="conftest.c"
1388
1389 echo '
1390 #include "'${srcdir}'/src/'${opsysfile}'"
1391 #include "'${srcdir}'/src/'${machfile}'"
1392 #ifndef LIBS_MACHINE
1393 #define LIBS_MACHINE
1394 #endif
1395 #ifndef LIBS_SYSTEM
1396 #define LIBS_SYSTEM
1397 #endif
1398 #ifndef C_SWITCH_SYSTEM
1399 #define C_SWITCH_SYSTEM
1400 #endif
1401 #ifndef C_SWITCH_MACHINE
1402 #define C_SWITCH_MACHINE
1403 #endif
1404 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1405 configure___ c_switch_system=C_SWITCH_SYSTEM
1406 configure___ c_switch_machine=C_SWITCH_MACHINE
1407
1408 #ifndef LIB_X11_LIB
1409 #define LIB_X11_LIB -lX11
1410 #endif
1411
1412 #ifndef LIBX11_MACHINE
1413 #define LIBX11_MACHINE
1414 #endif
1415
1416 #ifndef LIBX11_SYSTEM
1417 #define LIBX11_SYSTEM
1418 #endif
1419 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1420
1421 #ifdef UNEXEC
1422 configure___ unexec=UNEXEC
1423 #else
1424 configure___ unexec=unexec.o
1425 #endif
1426
1427 #ifdef SYSTEM_MALLOC
1428 configure___ system_malloc=yes
1429 #else
1430 configure___ system_malloc=no
1431 #endif
1432
1433 #ifdef USE_MMAP_FOR_BUFFERS
1434 configure___ use_mmap_for_buffers=yes
1435 #else
1436 configure___ use_mmap_for_buffers=no
1437 #endif
1438
1439 #ifndef C_DEBUG_SWITCH
1440 #define C_DEBUG_SWITCH -g
1441 #endif
1442
1443 #ifndef C_OPTIMIZE_SWITCH
1444 #ifdef __GNUC__
1445 #define C_OPTIMIZE_SWITCH -O2
1446 #else
1447 #define C_OPTIMIZE_SWITCH -O
1448 #endif
1449 #endif
1450
1451 #ifndef C_WARNINGS_SWITCH
1452 #define C_WARNINGS_SWITCH ${C_WARNINGS_SWITCH}
1453 #endif
1454
1455 #ifndef LD_SWITCH_MACHINE
1456 #define LD_SWITCH_MACHINE
1457 #endif
1458
1459 #ifndef LD_SWITCH_SYSTEM
1460 #define LD_SWITCH_SYSTEM
1461 #endif
1462
1463 #ifndef LD_SWITCH_X_SITE_AUX
1464 #define LD_SWITCH_X_SITE_AUX
1465 #endif
1466
1467 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1468 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1469
1470 #ifdef THIS_IS_CONFIGURE
1471
1472 /* Get the CFLAGS for tests in configure.  */
1473 #ifdef __GNUC__
1474 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1475 #else
1476 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1477 #endif
1478
1479 #else /* not THIS_IS_CONFIGURE */
1480
1481 /* Get the CFLAGS for real compilation.  */
1482 #ifdef __GNUC__
1483 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH C_WARNINGS_SWITCH '${SPECIFIED_CFLAGS}'
1484 #else
1485 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1486 #endif
1487
1488 #endif /* not THIS_IS_CONFIGURE */
1489 ' > ${tempcname}
1490
1491 # The value of CPP is a quoted variable reference, so we need to do this
1492 # to get its actual value...
1493 CPP=`eval "echo $CPP"`
1494 [eval `${CPP} -Isrc ${tempcname} \
1495        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1496 if test "x$SPECIFIED_CFLAGS" = x; then
1497   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1498          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1499 else
1500   REAL_CFLAGS="$CFLAGS"
1501 fi]
1502 rm ${tempcname}
1503
1504 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1505
1506 ### Make sure subsequent tests use flags consistent with the build flags.
1507
1508 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1509   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1510 else
1511   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1512 fi
1513
1514 dnl For AC_FUNC_GETLOADAVG, at least:
1515 AC_CONFIG_LIBOBJ_DIR(src)
1516
1517 dnl Do this early because it can frob feature test macros for Unix-98 &c.
1518 AC_SYS_LARGEFILE
1519
1520
1521 ### The standard library on x86-64 GNU/Linux distributions can
1522 ### be located in either /usr/lib64 or /usr/lib.
1523 case "${canonical}" in
1524   x86_64-*-linux-gnu* )
1525     if test -d /usr/lib64; then
1526       AC_DEFINE(HAVE_X86_64_LIB64_DIR, 1,
1527         [Define to 1 if the file /usr/lib64 exists.])
1528 fi
1529 esac
1530
1531 dnl This function defintion taken from Gnome 2.0
1532 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1533 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1534 dnl also defines GSTUFF_PKG_ERRORS on error
1535 AC_DEFUN([PKG_CHECK_MODULES], [
1536   succeeded=no
1537
1538   if test -z "$PKG_CONFIG"; then
1539     AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1540   fi
1541
1542   if test "$PKG_CONFIG" = "no" ; then
1543      ifelse([$4], , [AC_MSG_ERROR([
1544       *** 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])
1545   else
1546      PKG_CONFIG_MIN_VERSION=0.9.0
1547      if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1548         AC_MSG_CHECKING(for $2)
1549
1550         if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD; then
1551             AC_MSG_RESULT(yes)
1552             succeeded=yes
1553
1554             AC_MSG_CHECKING($1_CFLAGS)
1555             $1_CFLAGS=`$PKG_CONFIG --cflags "$2"|sed -e 's,///*,/,g'`
1556             AC_MSG_RESULT($$1_CFLAGS)
1557
1558             AC_MSG_CHECKING($1_LIBS)
1559             $1_LIBS=`$PKG_CONFIG --libs "$2"|sed -e 's,///*,/,g'`
1560             AC_MSG_RESULT($$1_LIBS)
1561         else
1562             AC_MSG_RESULT(no)
1563             $1_CFLAGS=""
1564             $1_LIBS=""
1565             ## If we have a custom action on failure, don't print errors, but
1566             ## do set a variable so people can do so.
1567             $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1568             ifelse([$4], ,echo $$1_PKG_ERRORS,)
1569         fi
1570
1571         AC_SUBST($1_CFLAGS)
1572         AC_SUBST($1_LIBS)
1573      else
1574         echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1575         echo "*** See http://www.freedesktop.org/software/pkgconfig"
1576      fi
1577   fi
1578
1579   if test $succeeded = yes; then
1580      ifelse([$3], , :, [$3])
1581   else
1582      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.])], [$4])
1583   fi
1584 ])
1585
1586
1587 if test "${with_sound}" != "no"; then
1588   # Sound support for GNU/Linux and the free BSDs.
1589   AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h)
1590   # Emulation library used on NetBSD.
1591   AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1592   AC_SUBST(LIBSOUND)
1593
1594   ALSA_REQUIRED=1.0.0
1595   ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1596   dnl Check if --with-pkg-config-prog has been given.
1597   if test "X${with_pkg_config_prog}" != X; then
1598     PKG_CONFIG="${with_pkg_config_prog}"
1599   fi
1600   PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1601   if test $HAVE_ALSA = yes; then
1602     SAVE_CFLAGS="$CFLAGS"
1603     SAVE_LDFLAGS="$LDFLAGS"
1604     CFLAGS="$ALSA_CFLAGS $CFLAGS"
1605     LDFLAGS="$ALSA_LIBS $LDFLAGS"
1606     AC_TRY_COMPILE([#include <asoundlib.h>], [snd_lib_error_set_handler (0);],
1607                     emacs_alsa_normal=yes,
1608                     emacs_alsa_normal=no)
1609     if test "$emacs_alsa_normal" != yes; then
1610       AC_TRY_COMPILE([#include <alsa/asoundlib.h>],
1611                      [snd_lib_error_set_handler (0);],
1612                      emacs_alsa_subdir=yes,
1613                      emacs_alsa_subdir=no)
1614       if test "$emacs_alsa_subdir" != yes; then
1615         AC_MSG_ERROR([pkg-config found alsa, but it does not compile.  See config.log for error messages.])
1616       fi
1617       ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1618     fi
1619
1620     CFLAGS="$SAVE_CFLAGS"
1621     LDFLAGS="$SAVE_LDFLAGS"
1622     LIBSOUND="$LIBSOUND $ALSA_LIBS"
1623     CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1624     AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1625   fi
1626   AC_SUBST(CFLAGS_SOUND)
1627 fi
1628
1629 dnl checks for header files
1630 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
1631   linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
1632   termcap.h stdio_ext.h fcntl.h strings.h coff.h pty.h sys/mman.h \
1633   sys/param.h sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1634   sys/utsname.h pwd.h)
1635
1636 AC_MSG_CHECKING(if personality LINUX32 can be set)
1637 AC_TRY_COMPILE([#include <sys/personality.h>], [personality (PER_LINUX32)],
1638                emacs_cv_personality_linux32=yes,
1639                emacs_cv_personality_linux32=no)
1640 AC_MSG_RESULT($emacs_cv_personality_linux32)
1641
1642 if test $emacs_cv_personality_linux32 = yes; then
1643   AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1644             [Define to 1 if personality LINUX32 can be set.])
1645 fi
1646
1647 dnl On Solaris 8 there's a compilation warning for term.h because
1648 dnl it doesn't define `bool'.
1649 AC_CHECK_HEADERS(term.h, , , -)
1650 AC_HEADER_STDC
1651 AC_HEADER_TIME
1652 AC_CHECK_DECLS([sys_siglist])
1653 if test $ac_cv_have_decl_sys_siglist != yes; then
1654   # For Tru64, at least:
1655   AC_CHECK_DECLS([__sys_siglist])
1656   if test $ac_cv_have_decl___sys_siglist = yes; then
1657     AC_DEFINE(sys_siglist, __sys_siglist,
1658               [Define to any substitute for sys_siglist.])
1659   fi
1660 fi
1661 AC_HEADER_SYS_WAIT
1662
1663 dnl Some systems have utime.h but don't declare the struct anyplace.
1664 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1665 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1666 #include <sys/time.h>
1667 #include <time.h>
1668 #else
1669 #ifdef HAVE_SYS_TIME_H
1670 #include <sys/time.h>
1671 #else
1672 #include <time.h>
1673 #endif
1674 #endif
1675 #ifdef HAVE_UTIME_H
1676 #include <utime.h>
1677 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1678   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1679 if test $emacs_cv_struct_utimbuf = yes; then
1680   AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1681 fi
1682
1683 dnl checks for typedefs
1684 AC_TYPE_SIGNAL
1685
1686 dnl Check for speed_t typedef.
1687 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1688   [AC_TRY_COMPILE([#include <termios.h>], [speed_t x = 1;],
1689     emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1690 if test $emacs_cv_speed_t = yes; then
1691   AC_DEFINE(HAVE_SPEED_T, 1,
1692            [Define to 1 if `speed_t' is declared by <termios.h>.])
1693 fi
1694
1695 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1696 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1697 #include <sys/time.h>
1698 #include <time.h>
1699 #else
1700 #ifdef HAVE_SYS_TIME_H
1701 #include <sys/time.h>
1702 #else
1703 #include <time.h>
1704 #endif
1705 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1706   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1707 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1708 if test $emacs_cv_struct_timeval = yes; then
1709   AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1710 fi
1711
1712 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1713 AC_TRY_COMPILE([#include <math.h>],
1714 [static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;],
1715   emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1716 HAVE_EXCEPTION=$emacs_cv_struct_exception
1717 if test $emacs_cv_struct_exception != yes; then
1718   AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1719 fi
1720
1721 AC_CHECK_HEADERS(sys/socket.h)
1722 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1723 #if HAVE_SYS_SOCKET_H
1724 #include <sys/socket.h>
1725 #endif])
1726
1727 dnl checks for structure members
1728 AC_STRUCT_TM
1729 AC_STRUCT_TIMEZONE
1730 AC_CHECK_MEMBER(struct tm.tm_gmtoff,
1731                 [AC_DEFINE(HAVE_TM_GMTOFF, 1,
1732                            [Define to 1 if `tm_gmtoff' is member of `struct tm'.])],,
1733                 [#include <time.h>])
1734 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1735                   struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1736                   struct ifreq.ifr_addr], , ,
1737                  [AC_INCLUDES_DEFAULT
1738 #if HAVE_SYS_SOCKET_H
1739 #include <sys/socket.h>
1740 #endif
1741 #if HAVE_NET_IF_H
1742 #include <net/if.h>
1743 #endif])
1744
1745 dnl checks for compiler characteristics
1746
1747 dnl Testing __STDC__ to determine prototype support isn't good enough.
1748 dnl DEC C, for instance, doesn't define it with default options, and
1749 dnl is used on 64-bit systems (OSF Alphas).  Similarly for volatile
1750 dnl and void *.
1751 AC_C_PROTOTYPES
1752 AC_C_VOLATILE
1753 AC_C_CONST
1754 dnl This isn't useful because we can't turn on use of `inline' unless
1755 dnl the compiler groks `extern inline'.
1756 dnl AC_C_INLINE
1757 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1758   [AC_TRY_COMPILE(, [void * foo;],
1759                    emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1760 if test $emacs_cv_void_star = yes; then
1761   AC_DEFINE(POINTER_TYPE, void)
1762 else
1763   AC_DEFINE(POINTER_TYPE, char)
1764 fi
1765 AH_TEMPLATE(POINTER_TYPE,
1766             [Define as `void' if your compiler accepts `void *'; otherwise
1767              define as `char'.])dnl
1768
1769
1770
1771 dnl This could be used for targets which can have both byte sexes.
1772 dnl We could presumably replace the hardwired WORDS_BIG_ENDIAN generally.
1773 dnl AC_C_BIGENDIAN
1774
1775 dnl check for Make feature
1776 AC_PROG_MAKE_SET
1777
1778 dnl checks for operating system services
1779 AC_SYS_LONG_FILE_NAMES
1780
1781 #### Choose a window system.
1782
1783 AC_PATH_X
1784 if test "$no_x" = yes; then
1785   window_system=none
1786 else
1787   window_system=x11
1788 fi
1789
1790 if test "${x_libraries}" != NONE; then
1791   if test -n "${x_libraries}"; then
1792     LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1793     LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1794   fi
1795   x_default_search_path=""
1796   x_search_path=${x_libraries}
1797   if test -z "${x_search_path}"; then
1798     x_search_path=/usr/lib
1799   fi
1800   for x_library in `echo ${x_search_path}: | \
1801                     sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1802     x_search_path="\
1803 ${x_library}/X11/%L/%T/%N%C%S:\
1804 ${x_library}/X11/%l/%T/%N%C%S:\
1805 ${x_library}/X11/%T/%N%C%S:\
1806 ${x_library}/X11/%L/%T/%N%S:\
1807 ${x_library}/X11/%l/%T/%N%S:\
1808 ${x_library}/X11/%T/%N%S"
1809     if test x"${x_default_search_path}" = x; then
1810       x_default_search_path=${x_search_path}
1811     else
1812       x_default_search_path="${x_search_path}:${x_default_search_path}"
1813     fi
1814   done
1815 fi
1816 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1817   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1818 fi
1819
1820 if test x"${x_includes}" = x; then
1821   bitmapdir=/usr/include/X11/bitmaps
1822 else
1823   # accumulate include directories that have X11 bitmap subdirectories
1824   bmd_acc="dummyval"
1825   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1826     if test -d "${bmd}/X11/bitmaps"; then
1827       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1828     fi
1829     if test -d "${bmd}/bitmaps"; then
1830       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1831     fi
1832   done
1833   if test ${bmd_acc} != "dummyval"; then
1834     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1835   fi
1836 fi
1837
1838 HAVE_CARBON=no
1839 if test "${with_carbon}" != no; then
1840   AC_CHECK_HEADER(Carbon/Carbon.h, HAVE_CARBON=yes)
1841 fi
1842 if test "${window_system}" = x11 && test "${HAVE_CARBON}" = yes; then
1843   if test "${with_carbon+set}" != set \
1844      && test "${carbon_appdir_x+set}" != set; then
1845     for var in with_x with_x_toolkit with_gtk with_xim \
1846                with_xpm with_jpeg with_tiff with_gif with_png; do
1847       if eval test \"\${$var+set}\" = set; then
1848         HAVE_CARBON=no
1849         break
1850       fi
1851     done
1852   fi
1853 fi
1854 if test "${HAVE_CARBON}" = yes; then
1855   window_system=mac
1856 fi
1857
1858 case "${window_system}" in
1859   x11 )
1860     HAVE_X_WINDOWS=yes
1861     HAVE_X11=yes
1862     case "${with_x_toolkit}" in
1863       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1864       motif ) USE_X_TOOLKIT=MOTIF ;;
1865 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1866       gtk ) with_gtk=yes
1867 dnl Dont set this for GTK.  A lot of tests below assumes Xt when
1868 dnl USE_X_TOOLKIT is set.
1869             USE_X_TOOLKIT=none ;;
1870       no ) USE_X_TOOLKIT=none ;;
1871 dnl If user did not say whether to use a toolkit,
1872 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1873       * ) USE_X_TOOLKIT=maybe ;;
1874     esac
1875   ;;
1876   mac | none )
1877     HAVE_X_WINDOWS=no
1878     HAVE_X11=no
1879     USE_X_TOOLKIT=none
1880   ;;
1881 esac
1882
1883 ### If we're using X11, we should use the X menu package.
1884 HAVE_MENUS=no
1885 case ${HAVE_X11} in
1886   yes ) HAVE_MENUS=yes ;;
1887 esac
1888
1889 if test "${opsys}" = "hpux9"; then
1890   case "${x_libraries}" in
1891     *X11R4* )
1892       opsysfile="s/hpux9-x11r4.h"
1893       ;;
1894   esac
1895 fi
1896
1897 if test "${opsys}" = "hpux9shr"; then
1898   case "${x_libraries}" in
1899     *X11R4* )
1900       opsysfile="s/hpux9shxr4.h"
1901       ;;
1902   esac
1903 fi
1904
1905 ### Compute the unexec source name from the object name.
1906 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1907
1908 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1909 # Assume not, until told otherwise.
1910 GNU_MALLOC=yes
1911 doug_lea_malloc=yes
1912 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1913 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1914 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1915                emacs_cv_var___after_morecore_hook,
1916 [AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1917   emacs_cv_var___after_morecore_hook=yes,
1918   emacs_cv_var___after_morecore_hook=no)])
1919 if test $emacs_cv_var___after_morecore_hook = no; then
1920   doug_lea_malloc=no
1921 fi
1922 if test "${system_malloc}" = "yes"; then
1923   GNU_MALLOC=no
1924   GNU_MALLOC_reason="
1925     (The GNU allocators don't work with this system configuration.)"
1926 fi
1927 if test "$doug_lea_malloc" = "yes" ; then
1928   if test "$GNU_MALLOC" = yes ; then
1929     GNU_MALLOC_reason="
1930       (Using Doug Lea's new malloc from the GNU C Library.)"
1931   fi
1932   AC_DEFINE(DOUG_LEA_MALLOC, 1,
1933             [Define to 1 if you are using the GNU C Library.])
1934 fi
1935
1936 if test x"${REL_ALLOC}" = x; then
1937   REL_ALLOC=${GNU_MALLOC}
1938 fi
1939
1940 dnl For now, need to use an explicit `#define USE_MMAP_FOR_BUFFERS 1'
1941 dnl the system configuration file (s/*.h) to turn the use of mmap
1942 dnl in the relocating allocator on.
1943
1944 AC_FUNC_MMAP
1945 if test $use_mmap_for_buffers = yes; then
1946   REL_ALLOC=no
1947 fi
1948
1949 LIBS="$libsrc_libs $LIBS"
1950
1951 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1952 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1953 AC_CHECK_LIB(dnet, dnet_ntoa)
1954 dnl This causes -lresolv to get used in subsequent tests,
1955 dnl which causes failures on some systems such as HPUX 9.
1956 dnl AC_CHECK_LIB(resolv, gethostbyname)
1957
1958 dnl FIXME replace main with a function we actually want from this library.
1959 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1960
1961 AC_CHECK_LIB(pthreads, cma_open)
1962
1963 AC_MSG_CHECKING(for XFree86 in /usr/X386)
1964 if test -d /usr/X386/include; then
1965   HAVE_XFREE386=yes
1966   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1967 else
1968   HAVE_XFREE386=no
1969 fi
1970 AC_MSG_RESULT($HAVE_XFREE386)
1971
1972 dnl Check for need for bigtoc support on IBM AIX
1973
1974 case ${host_os} in
1975 aix*)
1976   AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1977     case $GCC in
1978     yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1979     *) gdb_cv_bigtoc=-bbigtoc ;;
1980     esac
1981
1982     LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1983     AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1984   ])
1985   ;;
1986 esac
1987
1988 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1989 # used for the tests that follow.  We set them back to REAL_CFLAGS and
1990 # REAL_CPPFLAGS later on.
1991
1992 REAL_CPPFLAGS="$CPPFLAGS"
1993
1994 if test "${HAVE_X11}" = "yes"; then
1995   DEFS="$C_SWITCH_X_SITE $DEFS"
1996   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1997   LIBS="$LIBX $LIBS"
1998   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1999   CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2000
2001   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2002   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
2003   # but it's more convenient here to set LD_RUN_PATH
2004   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
2005   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2006     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2007     export LD_RUN_PATH
2008   fi
2009
2010   if test "${opsys}" = "gnu-linux"; then
2011     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2012     AC_TRY_LINK([],
2013      [XOpenDisplay ("foo");],
2014      [xlinux_first_failure=no],
2015      [xlinux_first_failure=yes])
2016     if test "${xlinux_first_failure}" = "yes"; then
2017       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
2018       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
2019       OLD_CPPFLAGS="$CPPFLAGS"
2020       OLD_LIBS="$LIBS"
2021       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2022       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2023       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2024       LIBS="$LIBS -b i486-linuxaout"
2025       AC_TRY_LINK([],
2026        [XOpenDisplay ("foo");],
2027        [xlinux_second_failure=no],
2028        [xlinux_second_failure=yes])
2029       if test "${xlinux_second_failure}" = "yes"; then
2030         # If we get the same failure with -b, there is no use adding -b.
2031         # So take it out.  This plays safe.
2032         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
2033         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
2034         CPPFLAGS="$OLD_CPPFLAGS"
2035         LIBS="$OLD_LIBS"
2036         AC_MSG_RESULT(no)
2037       else
2038         AC_MSG_RESULT(yes)
2039       fi
2040     else
2041       AC_MSG_RESULT(no)
2042     fi
2043   fi
2044
2045   # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2046   # header files included from there.
2047   AC_MSG_CHECKING(for Xkb)
2048   AC_TRY_LINK([#include <X11/Xlib.h>
2049 #include <X11/XKBlib.h>],
2050         [XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);],
2051         emacs_xkb=yes, emacs_xkb=no)
2052   AC_MSG_RESULT($emacs_xkb)
2053   if test $emacs_xkb = yes; then
2054     AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
2055   fi
2056
2057   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2058 XScreenNumberOfScreen XSetWMProtocols)
2059 fi
2060
2061 if test "${window_system}" = "x11"; then
2062   AC_MSG_CHECKING(X11 version 6)
2063   AC_CACHE_VAL(emacs_cv_x11_version_6,
2064   [AC_TRY_LINK([#include <X11/Xlib.h>],
2065 [#if XlibSpecificationRelease < 6
2066 fail;
2067 #endif
2068 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2069   if test $emacs_cv_x11_version_6 = yes; then
2070     AC_MSG_RESULT(6 or newer)
2071     AC_DEFINE(HAVE_X11R6, 1,
2072               [Define to 1 if you have the X11R6 or newer version of Xlib.])
2073   else
2074     AC_MSG_RESULT(before 6)
2075   fi
2076 fi
2077
2078 if test "${window_system}" = "x11"; then
2079   AC_MSG_CHECKING(X11 version 5)
2080   AC_CACHE_VAL(emacs_cv_x11_version_5,
2081   [AC_TRY_LINK([#include <X11/Xlib.h>],
2082 [#if XlibSpecificationRelease < 5
2083 fail;
2084 #endif
2085 ], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no)])
2086   if test $emacs_cv_x11_version_5 = yes; then
2087     AC_MSG_RESULT(5 or newer)
2088     HAVE_X11R5=yes
2089     AC_DEFINE(HAVE_X11R5, 1,
2090               [Define to 1 if you have the X11R5 or newer version of Xlib.])
2091   else
2092     HAVE_X11R5=no
2093     AC_MSG_RESULT(before 5)
2094   fi
2095 fi
2096
2097 HAVE_GTK=no
2098 if test "${with_gtk}" = "yes" && test "$USE_X_TOOLKIT" = "gtk"; then
2099   USE_X_TOOLKIT=none
2100 fi
2101 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "gtk"; then
2102   if test "$USE_X_TOOLKIT" != "none" && test "$USE_X_TOOLKIT" != "maybe"; then
2103     AC_MSG_ERROR([Conflicting options, --with-gtk is incompatible with --with-x-toolkit=${with_x_toolkit}]);
2104   fi
2105   GLIB_REQUIRED=2.4
2106   GTK_REQUIRED=2.4
2107   GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2108
2109   dnl Check if --with-pkg-config-prog has been given.
2110   if test "X${with_pkg_config_prog}" != X; then
2111     PKG_CONFIG="${with_pkg_config_prog}"
2112   fi
2113   dnl Checks for libraries.
2114   PKG_CHECK_MODULES(GTK, $GTK_MODULES)
2115   AC_SUBST(GTK_CFLAGS)
2116   AC_SUBST(GTK_LIBS)
2117   C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2118   CFLAGS="$CFLAGS $GTK_CFLAGS"
2119   LIBS="$GTK_LIBS $LIBS"
2120   dnl Try to compile a simple GTK program.
2121   GTK_COMPILES=no
2122   AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
2123   if test "${GTK_COMPILES}" != "yes"; then
2124     AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log.  Maybe some x11-devel files missing?]);
2125   fi
2126
2127   HAVE_GTK=yes
2128   AC_DEFINE(HAVE_GTK, 1, [Define to 1 if using GTK.])
2129   USE_X_TOOLKIT=none
2130
2131   dnl  GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2132   dnl  a lot if #ifdef:s, say we have toolkit scrollbars.
2133   if test "$with_toolkit_scroll_bars" != no; then
2134     with_toolkit_scroll_bars=yes
2135   fi
2136
2137   dnl  Check if we can use multiple displays with this GTK version.
2138   dnl  If gdk_display_open exists, assume all others are there also.
2139   HAVE_GTK_MULTIDISPLAY=no
2140   AC_CHECK_FUNCS(gdk_display_open, HAVE_GTK_MULTIDISPLAY=yes)
2141   if test "${HAVE_GTK_MULTIDISPLAY}" = "yes"; then
2142     AC_DEFINE(HAVE_GTK_MULTIDISPLAY, 1,
2143               [Define to 1 if GTK can handle more than one display.])
2144   fi
2145   dnl  Check if we have the old file selection dialog.
2146   dnl  If gdk_display_open exists, assume all others are there also.
2147   HAVE_GTK_FILE_SELECTION=no
2148   AC_CHECK_FUNCS(gtk_file_selection_new, HAVE_GTK_FILE_SELECTION=yes)
2149
2150   dnl  Check if we have the new file chooser dialog
2151   dnl  If gdk_display_open exists, assume all others are there also.
2152   HAVE_GTK_FILE_CHOOSER=no
2153   AC_CHECK_FUNCS(gtk_file_chooser_dialog_new, HAVE_GTK_FILE_CHOOSER=yes)
2154
2155   if test "$HAVE_GTK_FILE_SELECTION" = yes \
2156      && test "$HAVE_GTK_FILE_CHOOSER" = yes;  then
2157     AC_DEFINE(HAVE_GTK_FILE_BOTH, 1,
2158               [Define to 1 if GTK has both file selection and chooser dialog.])
2159   fi
2160
2161   dnl Check if pthreads are available.  Emacs only needs this when using
2162   dnl gtk_file_chooser under Gnome.
2163   if test "$HAVE_GTK_FILE_CHOOSER" = yes; then
2164     HAVE_GTK_AND_PTHREAD=no
2165     AC_CHECK_HEADERS(pthread.h)
2166     if test "$ac_cv_header_pthread_h"; then
2167       AC_CHECK_LIB(pthread, pthread_self, HAVE_GTK_AND_PTHREAD=yes)
2168     fi
2169     if test "$HAVE_GTK_AND_PTHREAD" = yes; then
2170       GTK_LIBS="$GTK_LIBS -lpthread"
2171       AC_DEFINE(HAVE_GTK_AND_PTHREAD, 1,
2172                [Define to 1 if you have GTK and pthread (-lpthread).])
2173     fi
2174   fi
2175 fi
2176
2177 ### Link with -lXft if available to work around a bug.
2178 HAVE_XFT=maybe
2179 if test "${HAVE_GTK}" = "yes"; then
2180   dnl Check if --with-pkg-config-prog has been given.
2181   if test "X${with_pkg_config_prog}" != X; then
2182     PKG_CONFIG="${with_pkg_config_prog}"
2183   fi
2184
2185   PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2186   if test "$HAVE_XFT" != no; then
2187     OLD_CFLAGS="$CPPFLAGS"
2188     OLD_CPPFLAGS="$CFLAGS"
2189     OLD_LIBS="$LIBS"
2190     CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2191     CFLAGS="$CFLAGS $XFT_CFLAGS"
2192     LIBS="$XFT_LIBS $LIBS"
2193     AC_CHECK_HEADER(X11/Xft/Xft.h,
2194       AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2195
2196     if test "${HAVE_XFT}" = "yes"; then
2197       AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2198       AC_SUBST(XFT_LIBS)
2199       C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2200     else
2201       CFLAGS="$OLD_CPPFLAGS"
2202       CFLAGS="$OLD_CFLAGS"
2203       LIBS="$OLD_LIBS"
2204     fi
2205   fi
2206 fi
2207
2208 dnl Do not put whitespace before the #include statements below.
2209 dnl Older compilers (eg sunos4 cc) choke on it.
2210 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2211   if test x"${HAVE_X11R5}" = xyes; then
2212     AC_MSG_CHECKING(X11 version 5 with Xaw)
2213     AC_CACHE_VAL(emacs_cv_x11_version_5_with_xaw,
2214     [AC_TRY_LINK([
2215 #include <X11/Intrinsic.h>
2216 #include <X11/Xaw/Simple.h>],
2217       [],
2218       emacs_cv_x11_version_5_with_xaw=yes,
2219       emacs_cv_x11_version_5_with_xaw=no)])
2220     if test $emacs_cv_x11_version_5_with_xaw = yes; then
2221       AC_MSG_RESULT([5 or newer, with Xaw; use toolkit by default])
2222       USE_X_TOOLKIT=LUCID
2223     else
2224       if test x"${USE_X_TOOLKIT}" = xLUCID; then
2225         AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2226       else
2227         AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
2228         USE_X_TOOLKIT=none
2229       fi
2230     fi
2231   else
2232     USE_X_TOOLKIT=none
2233   fi
2234 fi
2235
2236 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2237
2238 if test "${USE_X_TOOLKIT}" != "none"; then
2239   AC_MSG_CHECKING(X11 toolkit version)
2240   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2241   [AC_TRY_LINK([#include <X11/Intrinsic.h>],
2242 [#if XtSpecificationRelease < 6
2243 fail;
2244 #endif
2245 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2246   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2247   if test $emacs_cv_x11_toolkit_version_6 = yes; then
2248     AC_MSG_RESULT(6 or newer)
2249     AC_DEFINE(HAVE_X11XTR6, 1,
2250               [Define to 1 if you have the X11R6 or newer version of Xt.])
2251   else
2252     AC_MSG_RESULT(before 6)
2253   fi
2254
2255 dnl If using toolkit, check whether libXmu.a exists.
2256 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2257   OLDLIBS="$LIBS"
2258   if test x$HAVE_X11XTR6 = xyes; then
2259     LIBS="-lXt -lSM -lICE $LIBS"
2260   else
2261     LIBS="-lXt $LIBS"
2262   fi
2263   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2264   test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2265 fi
2266
2267 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2268 if test "${HAVE_X11}" = "yes"; then
2269   if test "${USE_X_TOOLKIT}" != "none"; then
2270     AC_CHECK_LIB(Xext, XShapeQueryExtension)
2271   fi
2272 fi
2273
2274 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2275   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2276   [AC_TRY_COMPILE([#include <Xm/Xm.h>],
2277     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2278 int x = 5;
2279 #else
2280 Motif version prior to 2.1.
2281 #endif],
2282     emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2283   HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
2284   if test $emacs_cv_motif_version_2_1 = yes; then
2285     HAVE_LIBXP=no
2286     AC_DEFINE(HAVE_MOTIF_2_1, 1,
2287               [Define to 1 if you have Motif 2.1 or newer.])
2288     AC_CHECK_LIB(Xp, XpCreateContext, HAVE_LIBXP=yes)
2289     if test ${HAVE_LIBXP} = yes; then
2290       AC_DEFINE(HAVE_LIBXP, 1,
2291                 [Define to 1 if you have the Xp library (-lXp).])
2292     fi
2293   else
2294     AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2295     # We put this in CFLAGS temporarily to precede other -I options
2296     # that might be in CFLAGS temporarily.
2297     # We put this in CPPFLAGS where it precedes the other -I options.
2298     OLD_CPPFLAGS=$CPPFLAGS
2299     OLD_CFLAGS=$CFLAGS
2300     CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2301     CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2302     [AC_TRY_COMPILE([#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>],
2303       [int x = 5;],
2304       emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2305     if test $emacs_cv_lesstif = yes; then
2306       # Make sure this -I option remains in CPPFLAGS after it is set
2307       # back to REAL_CPPFLAGS.
2308       # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2309       # have those other -I options anyway.  Ultimately, having this
2310       # directory ultimately in CPPFLAGS will be enough.
2311       REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2312       LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2313     else
2314       CFLAGS=$OLD_CFLAGS
2315       CPPFLAGS=$OLD_CPPFLAGS
2316     fi
2317   fi
2318 fi
2319
2320 ### Is -lXaw3d available?
2321 HAVE_XAW3D=no
2322 if test "${HAVE_X11}" = "yes"; then
2323   if test "${USE_X_TOOLKIT}" != "none" && test "${with_toolkit_scroll_bars}" != "no"; then
2324     dnl Fixme: determine what Scrollbar.h needs to avoid compilation
2325     dnl errors from the test without the `-'.
2326     AC_CHECK_HEADER(X11/Xaw3d/Scrollbar.h,
2327         [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes)], , -)
2328     if test "${HAVE_XAW3D}" = "yes"; then
2329         AC_DEFINE(HAVE_XAW3D, 1,
2330                   [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2331     fi
2332   fi
2333 fi
2334
2335 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2336 dnl using Motif or Xaw3d is available, and unless
2337 dnl --with-toolkit-scroll-bars=no was specified.
2338
2339 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2340             [Define to 1 if we should use toolkit scroll bars.])dnl
2341 USE_TOOLKIT_SCROLL_BARS=no
2342 if test "${with_toolkit_scroll_bars}" != "no"; then
2343   if test "${USE_X_TOOLKIT}" != "none"; then
2344     if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2345       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2346       HAVE_XAW3D=no
2347       USE_TOOLKIT_SCROLL_BARS=yes
2348     elif test "${HAVE_XAW3D}" = "yes"; then
2349       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2350       USE_TOOLKIT_SCROLL_BARS=yes
2351     fi
2352   elif test "${HAVE_GTK}" = "yes"; then
2353     AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2354     USE_TOOLKIT_SCROLL_BARS=yes
2355   elif test "${HAVE_CARBON}" = "yes"; then
2356     AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2357     USE_TOOLKIT_SCROLL_BARS=yes
2358   fi
2359 fi
2360
2361 dnl See if XIM is available.
2362 AC_TRY_COMPILE([
2363           #include <X11/Xlib.h>
2364           #include <X11/Xresource.h>],
2365          [XIMProc  callback;],
2366          HAVE_XIM=yes
2367          AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available]),
2368          HAVE_XIM=no)
2369
2370 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2371
2372 if test "${with_xim}" != "no"; then
2373   AC_DEFINE(USE_XIM, 1,
2374             [Define to 1 if we should use XIM, if it is available.])
2375 fi
2376
2377
2378 if test "${HAVE_XIM}" != "no"; then
2379   late_CFLAGS=$CFLAGS
2380   if test "$GCC" = yes; then
2381     CFLAGS="$CFLAGS --pedantic-errors"
2382   fi
2383   AC_TRY_COMPILE([
2384 #include <X11/Xlib.h>
2385 #include <X11/Xresource.h>],
2386 [Display *display;
2387 XrmDatabase db;
2388 char *res_name;
2389 char *res_class;
2390 XIMProc  callback;
2391 XPointer *client_data;
2392 #ifndef __GNUC__
2393 /* If we're not using GCC, it's probably not XFree86, and this is
2394    probably right, but we can't use something like --pedantic-errors.  */
2395 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2396                                            char*, XIMProc, XPointer*);
2397 #endif
2398 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2399    client_data);],
2400     [emacs_cv_arg6_star=yes])
2401   AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2402          [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2403 either XPointer or XPointer*.])dnl
2404   if test "$emacs_cv_arg6_star" = yes; then
2405     AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2406   else
2407     AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2408   fi
2409   CFLAGS=$late_CFLAGS
2410 fi
2411
2412 ### Use -lXpm if available, unless `--with-xpm=no'.
2413 HAVE_XPM=no
2414 if test "${HAVE_X11}" = "yes"; then
2415   if test "${with_xpm}" != "no"; then
2416     AC_CHECK_HEADER(X11/xpm.h,
2417       AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11))
2418     if test "${HAVE_XPM}" = "yes"; then
2419       AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2420       AC_EGREP_CPP(no_return_alloc_pixels,
2421       [#include "X11/xpm.h"
2422 #ifndef XpmReturnAllocPixels
2423 no_return_alloc_pixels
2424 #endif
2425       ], HAVE_XPM=no, HAVE_XPM=yes)
2426
2427       if test "${HAVE_XPM}" = "yes"; then
2428         AC_MSG_RESULT(yes)
2429       else
2430         AC_MSG_RESULT(no)
2431       fi
2432     fi
2433   fi
2434
2435   if test "${HAVE_XPM}" = "yes"; then
2436     AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm libary (-lXpm).])
2437   fi
2438 fi
2439
2440 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2441 HAVE_JPEG=no
2442 if test "${HAVE_X11}" = "yes"; then
2443   if test "${with_jpeg}" != "no"; then
2444     dnl Checking for jpeglib.h can lose because of a redefinition of
2445     dnl  HAVE_STDLIB_H.
2446     AC_CHECK_HEADER(jerror.h,
2447       AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes))
2448   fi
2449
2450   AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2451   if test "${HAVE_JPEG}" = "yes"; then
2452     AC_DEFINE(HAVE_JPEG)
2453     AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2454         [#include <jpeglib.h>
2455          version=JPEG_LIB_VERSION
2456 ],
2457         AC_DEFINE(HAVE_JPEG),
2458         [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2459         HAVE_JPEG=no])
2460   fi
2461 fi
2462
2463 ### Use -lpng if available, unless `--with-png=no'.
2464 HAVE_PNG=no
2465 if test "${HAVE_X11}" = "yes"; then
2466   if test "${with_png}" != "no"; then
2467     # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2468     # in /usr/include/libpng.
2469     AC_CHECK_HEADERS(png.h libpng/png.h)
2470     if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2471       AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2472     fi
2473   fi
2474
2475   if test "${HAVE_PNG}" = "yes"; then
2476     AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2477   fi
2478 fi
2479
2480 ### Use -ltiff if available, unless `--with-tiff=no'.
2481 HAVE_TIFF=no
2482 if test "${HAVE_X11}" = "yes"; then
2483   if test "${with_tiff}" != "no"; then
2484     AC_CHECK_HEADER(tiffio.h,
2485       tifflibs="-lz -lm"
2486       # At least one tiff package requires the jpeg library.
2487       if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2488       AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs))
2489   fi
2490
2491   if test "${HAVE_TIFF}" = "yes"; then
2492     AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2493   fi
2494 fi
2495
2496 ### Use -lgif if available, unless `--with-gif=no'.
2497 HAVE_GIF=no
2498 if test "${HAVE_X11}" = "yes"; then
2499   if test "${with_gif}" != "no"; then
2500     AC_CHECK_HEADER(gif_lib.h,
2501 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2502 # Earlier versions can crash Emacs.
2503       AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes))
2504   fi
2505
2506   if test "${HAVE_GIF}" = "yes"; then
2507     AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have the ungif library (-lungif).])
2508   fi
2509 fi
2510
2511 ### Use -lgpm if available, unless `--with-gpm=no'.
2512 HAVE_GPM=no
2513 if test "${with_gpm}" != "no"; then
2514   AC_CHECK_HEADER(gpm.h,
2515     AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes))
2516 fi
2517
2518 if test "${HAVE_GPM}" = "yes"; then
2519   AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2520 fi
2521
2522 dnl Check for malloc/malloc.h on darwin
2523 AC_CHECK_HEADER(malloc/malloc.h, AC_DEFINE(HAVE_MALLOC_MALLOC_H, 1, [Define to 1 if you have the <malloc/malloc.h> header file.]))
2524
2525 ### Use Mac OS X Carbon API to implement GUI.
2526 if test "${HAVE_CARBON}" = "yes"; then
2527   AC_DEFINE(HAVE_CARBON, 1, [Define to 1 if you are using the Carbon API on Mac OS X.])
2528   ## Specify the install directory
2529   carbon_appdir=
2530   if test "${carbon_appdir_x}" != ""; then
2531     case ${carbon_appdir_x} in
2532       y | ye | yes)  carbon_appdir=/Applications ;;
2533       * ) carbon_appdir=${carbon_appdir_x} ;;
2534     esac
2535   fi
2536   # We also have mouse menus.
2537   HAVE_MENUS=yes
2538 fi
2539
2540 ### Use session management (-lSM -lICE) if available
2541 HAVE_X_SM=no
2542 if test "${HAVE_X11}" = "yes"; then
2543   AC_CHECK_HEADER(X11/SM/SMlib.h,
2544     AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE))
2545
2546   if test "${HAVE_X_SM}" = "yes"; then
2547     AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2548     case "$LIBS" in
2549       *-lSM*) ;;
2550       *)      LIBS="-lSM -lICE $LIBS" ;;
2551     esac
2552   fi
2553 fi
2554
2555 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2556 AC_CACHE_CHECK(whether netdb declares h_errno,
2557                emacs_cv_netdb_declares_h_errno,
2558 [AC_TRY_LINK([#include <netdb.h>],
2559   [return h_errno;],
2560   emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2561 if test $emacs_cv_netdb_declares_h_errno = yes; then
2562   AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2563 fi
2564
2565 AC_FUNC_ALLOCA
2566
2567 # fmod, logb, and frexp are found in -lm on most systems.
2568 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2569 AC_CHECK_LIB(m, sqrt)
2570
2571 # Check for mail-locking functions in a "mail" library.  Probably this should
2572 # have the same check as for liblockfile below.
2573 AC_CHECK_LIB(mail, maillock)
2574 dnl Debian, at least:
2575 AC_CHECK_LIB(lockfile, maillock)
2576 # If we have the shared liblockfile, assume we must use it for mail
2577 # locking (e.g. Debian).  If we couldn't link against liblockfile
2578 # (no liblockfile.a installed), ensure that we don't need to.
2579 if test "$ac_cv_lib_lockfile_maillock" = no; then
2580   dnl This works for files generally, not just executables.
2581   dnl Should we look elsewhere for it?  Maybe examine /etc/ld.so.conf?
2582   AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2583                 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2584   if test $ac_cv_prog_liblockfile = yes; then
2585     AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2586 This probably means that movemail could lose mail.
2587 There may be a `development' package to install containing liblockfile.])
2588   else :
2589   fi
2590 fi
2591 AC_CHECK_FUNCS(touchlock)
2592 AC_CHECK_HEADERS(maillock.h)
2593
2594 AC_CHECK_FUNCS(gethostname getdomainname dup2 \
2595 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2596 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
2597 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
2598 utimes setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2599 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm index rindex \
2600 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2601 gai_strerror mkstemp getline getdelim mremap memmove fsync sync bzero \
2602 memset memcmp difftime memcpy mempcpy mblen mbrlen posix_memalign)
2603
2604 AC_CHECK_HEADERS(sys/un.h)
2605
2606 AC_FUNC_MKTIME
2607 if test "$ac_cv_func_working_mktime" = no; then
2608   AC_DEFINE(BROKEN_MKTIME, 1, [Define to 1 if the mktime function is broken.])
2609 fi
2610
2611 AC_FUNC_GETLOADAVG
2612
2613 AC_FUNC_FSEEKO
2614
2615 # Configure getopt.
2616 m4_include([m4/getopt.m4])
2617 gl_GETOPT_IFELSE([
2618   gl_GETOPT_SUBSTITUTE_HEADER
2619   gl_PREREQ_GETOPT
2620   GETOPTOBJS='getopt.o getopt1.o'
2621 ])
2622 AC_SUBST(GETOPTOBJS)
2623
2624 AC_FUNC_GETPGRP
2625
2626 AC_FUNC_STRFTIME
2627
2628 # UNIX98 PTYs.
2629 AC_CHECK_FUNCS(grantpt)
2630
2631 # PTY-related GNU extensions.
2632 AC_CHECK_FUNCS(getpt)
2633
2634 # Check this now, so that we will NOT find the above functions in ncurses.
2635 # That is because we have not set up to link ncurses in lib-src.
2636 # It's better to believe a function is not available
2637 # than to expect to find it in ncurses.
2638 AC_CHECK_LIB(ncurses, tparm)
2639
2640 # Do we need the Hesiod library to provide the support routines?
2641 if test "$with_hesiod" = yes ; then
2642   # Don't set $LIBS here -- see comments above.
2643   resolv=no
2644   AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2645      [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2646                   [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2647   if test "$resolv" = yes ; then
2648     RESOLVLIB=-lresolv
2649     AC_DEFINE(HAVE_LIBRESOLV, 1,
2650               [Define to 1 if you have the resolv library (-lresolv).])
2651   else
2652     RESOLVLIB=
2653   fi
2654   AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2655         AC_DEFINE(HAVE_LIBHESIOD, 1,
2656                   [Define to 1 if you have the hesiod library (-lhesiod).]),
2657         :, $RESOLVLIB)])
2658 fi
2659
2660 # These tell us which Kerberos-related libraries to use.
2661 if test "${with_kerberos+set}" = set; then
2662   AC_CHECK_LIB(com_err, com_err)
2663   AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt)
2664   AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
2665   AC_CHECK_LIB(krb5, krb5_init_context)
2666   if test "${with_kerberos5+set}" != set; then
2667     AC_CHECK_LIB(des425, des_cbc_encrypt,,
2668                  AC_CHECK_LIB(des, des_cbc_encrypt))
2669     AC_CHECK_LIB(krb4, krb_get_cred,,
2670                  AC_CHECK_LIB(krb, krb_get_cred))
2671   fi
2672
2673   if test "${with_kerberos5+set}" = set; then
2674     AC_CHECK_HEADERS(krb5.h)
2675   else
2676     AC_CHECK_HEADERS(des.h,,
2677                      [AC_CHECK_HEADERS(kerberosIV/des.h,,
2678                                        [AC_CHECK_HEADERS(kerberos/des.h)])])
2679     AC_CHECK_HEADERS(krb.h,,
2680                      [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2681                                        [AC_CHECK_HEADERS(kerberos/krb.h)])])
2682   fi
2683   AC_CHECK_HEADERS(com_err.h)
2684 fi
2685
2686 # Solaris requires -lintl if you want strerror (which calls dgettext)
2687 # to return localized messages.
2688 AC_CHECK_LIB(intl, dgettext)
2689
2690 AC_MSG_CHECKING(whether localtime caches TZ)
2691 AC_CACHE_VAL(emacs_cv_localtime_cache,
2692 [if test x$ac_cv_func_tzset = xyes; then
2693 AC_TRY_RUN([#include <time.h>
2694 extern char **environ;
2695 unset_TZ ()
2696 {
2697   char **from, **to;
2698   for (to = from = environ; (*to = *from); from++)
2699     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
2700       to++;
2701 }
2702 char TZ_GMT0[] = "TZ=GMT0";
2703 char TZ_PST8[] = "TZ=PST8";
2704 main()
2705 {
2706   time_t now = time ((time_t *) 0);
2707   int hour_GMT0, hour_unset;
2708   if (putenv (TZ_GMT0) != 0)
2709     exit (1);
2710   hour_GMT0 = localtime (&now)->tm_hour;
2711   unset_TZ ();
2712   hour_unset = localtime (&now)->tm_hour;
2713   if (putenv (TZ_PST8) != 0)
2714     exit (1);
2715   if (localtime (&now)->tm_hour == hour_GMT0)
2716     exit (1);
2717   unset_TZ ();
2718   if (localtime (&now)->tm_hour != hour_unset)
2719     exit (1);
2720   exit (0);
2721 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
2722 [# If we have tzset, assume the worst when cross-compiling.
2723 emacs_cv_localtime_cache=yes])
2724 else
2725         # If we lack tzset, report that localtime does not cache TZ,
2726         # since we can't invalidate the cache if we don't have tzset.
2727         emacs_cv_localtime_cache=no
2728 fi])dnl
2729 AC_MSG_RESULT($emacs_cv_localtime_cache)
2730 if test $emacs_cv_localtime_cache = yes; then
2731   AC_DEFINE(LOCALTIME_CACHE, 1,
2732             [Define to 1 if localtime caches TZ.])
2733 fi
2734
2735 if test "x$HAVE_TIMEVAL" = xyes; then
2736   AC_CHECK_FUNCS(gettimeofday)
2737   if test $ac_cv_func_gettimeofday = yes; then
2738     AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
2739                    emacs_cv_gettimeofday_two_arguments,
2740     [AC_TRY_COMPILE([
2741 #ifdef TIME_WITH_SYS_TIME
2742 #include <sys/time.h>
2743 #include <time.h>
2744 #else
2745 #ifdef HAVE_SYS_TIME_H
2746 #include <sys/time.h>
2747 #else
2748 #include <time.h>
2749 #endif
2750 #endif],
2751       [struct timeval time;
2752        gettimeofday (&time, 0);],
2753       emacs_cv_gettimeofday_two_arguments=yes,
2754       emacs_cv_gettimeofday_two_arguments=no)])
2755     if test $emacs_cv_gettimeofday_two_arguments = no; then
2756       AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
2757                 [Define to 1 if gettimeofday accepts only one argument.])
2758     fi
2759   fi
2760 fi
2761
2762 ok_so_far=yes
2763 AC_CHECK_FUNC(socket, , ok_so_far=no)
2764 if test $ok_so_far = yes; then
2765   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
2766 fi
2767 if test $ok_so_far = yes; then
2768   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
2769 fi
2770 if test $ok_so_far = yes; then
2771 dnl Fixme: Not used.  Should this be HAVE_SOCKETS?
2772   AC_DEFINE(HAVE_INET_SOCKETS, 1,
2773             [Define to 1 if you have inet sockets.])
2774 fi
2775
2776 AC_CHECK_HEADERS(sys/ioctl.h)
2777
2778 if test -f /usr/lpp/X11/bin/smt.exp; then
2779   AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
2780             [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
2781 fi
2782
2783 AC_MSG_CHECKING(whether system supports dynamic ptys)
2784 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
2785   AC_MSG_RESULT(yes)
2786   AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
2787 else
2788   AC_MSG_RESULT(no)
2789 fi
2790
2791 AC_FUNC_FORK
2792
2793 dnl Adapted from Haible's version.
2794 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
2795   [AC_TRY_LINK([#include <langinfo.h>],
2796     [char* cs = nl_langinfo(CODESET);],
2797     emacs_cv_langinfo_codeset=yes,
2798     emacs_cv_langinfo_codeset=no)
2799   ])
2800 if test $emacs_cv_langinfo_codeset = yes; then
2801   AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
2802     [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
2803 fi
2804
2805 AC_CHECK_TYPES(size_t)
2806
2807 AC_TYPE_MBSTATE_T
2808
2809 dnl Restrict could probably be used effectively other than in regex.c.
2810 AC_CACHE_CHECK([for C restrict keyword], emacs_cv_c_restrict,
2811   [AC_TRY_COMPILE([void fred (int *restrict x);], [],
2812                   emacs_cv_c_restrict=yes,
2813                   [AC_TRY_COMPILE([void fred (int *__restrict x);], [],
2814                                   emacs_cv_c_restrict=__restrict,
2815                                   emacs_cv_c_restrict=no)])])
2816 case "$emacs_cv_c_restrict" in
2817   yes) emacs_restrict=restrict;;
2818   no) emacs_restrict="";;
2819   *) emacs_restrict="$emacs_cv_c_restrict";;
2820 esac
2821 if test "$emacs_restrict" != __restrict; then
2822   AC_DEFINE_UNQUOTED(__restrict, $emacs_restrict,
2823     [Define to compiler's equivalent of C99 restrict keyword.
2824      Don't define if equivalent is `__restrict'.])
2825 fi
2826
2827 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
2828   [AC_TRY_COMPILE([void fred (int x[__restrict]);], [],
2829                   emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
2830 if test "$emacs_cv_c_restrict_arr" = yes; then
2831   AC_DEFINE(__restrict_arr, __restrict,
2832     [Define to compiler's equivalent of C99 restrict keyword in array
2833      declarations.  Define as empty for no equivalent.])
2834 fi
2835
2836 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
2837 dnl how the tty code is related to POSIX and/or other versions of termios.
2838 dnl The following looks like a useful start.
2839 dnl
2840 dnl AC_SYS_POSIX_TERMIOS
2841 dnl if test $ac_cv_sys_posix_termios = yes; then
2842 dnl    AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
2843 dnl                                and macros for terminal control.])
2844 dnl    AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
2845 dnl fi
2846
2847 dnl Fixme: Use AC_FUNC_MEMCMP since memcmp is used.  (Needs libobj replacement.)
2848
2849 # Set up the CFLAGS for real compilation, so we can substitute it.
2850 CFLAGS="$REAL_CFLAGS"
2851 CPPFLAGS="$REAL_CPPFLAGS"
2852
2853 #### Find out which version of Emacs this is.
2854 [version=`grep 'defconst[        ]*emacs-version' ${srcdir}/lisp/version.el \
2855          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`]
2856 if test x"${version}" = x; then
2857   AC_MSG_ERROR([can't find current emacs version in `${srcdir}/lisp/version.el'.])
2858 fi
2859
2860 ### Specify what sort of things we'll be editing into Makefile and config.h.
2861 ### Use configuration here uncanonicalized to avoid exceeding size limits.
2862 AC_SUBST(version)
2863 AC_SUBST(configuration)
2864 AC_SUBST(canonical)
2865 AC_SUBST(srcdir)
2866 AC_SUBST(prefix)
2867 AC_SUBST(exec_prefix)
2868 AC_SUBST(bindir)
2869 AC_SUBST(datadir)
2870 AC_SUBST(sharedstatedir)
2871 AC_SUBST(libexecdir)
2872 AC_SUBST(mandir)
2873 AC_SUBST(infodir)
2874 AC_SUBST(lispdir)
2875 AC_SUBST(locallisppath)
2876 AC_SUBST(lisppath)
2877 AC_SUBST(x_default_search_path)
2878 AC_SUBST(etcdir)
2879 AC_SUBST(archlibdir)
2880 AC_SUBST(docdir)
2881 AC_SUBST(bitmapdir)
2882 AC_SUBST(gamedir)
2883 AC_SUBST(gameuser)
2884 AC_SUBST(c_switch_system)
2885 AC_SUBST(c_switch_machine)
2886 AC_SUBST(LD_SWITCH_X_SITE)
2887 AC_SUBST(LD_SWITCH_X_SITE_AUX)
2888 AC_SUBST(C_SWITCH_X_SITE)
2889 AC_SUBST(CFLAGS)
2890 AC_SUBST(X_TOOLKIT_TYPE)
2891 AC_SUBST(machfile)
2892 AC_SUBST(opsysfile)
2893 AC_SUBST(GETLOADAVG_LIBS)
2894 AC_SUBST(carbon_appdir)
2895
2896 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}",
2897                    [Define to the canonical Emacs configuration name.])
2898 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
2899                    [Define to the options passed to configure.])
2900 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}",
2901                    [Define to the used machine dependent file.])
2902 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
2903                    [Define to the used os dependent file.])
2904 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE},
2905 [Define LD_SWITCH_X_SITE to contain any special flags your loader
2906  may need to deal with X Windows.  For instance, if you've defined
2907  HAVE_X_WINDOWS above and your X libraries aren't in a place that
2908  your loader can find on its own, you might want to add "-L/..." or
2909  something similar.])
2910 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX},
2911                    [Define LD_SWITCH_X_SITE_AUX with an -R option
2912                     in case it's needed (for Solaris, for example).])
2913 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE},
2914 [Define C_SWITCH_X_SITE to contain any special flags your compiler
2915  may need to deal with X Windows.  For instance, if you've defined
2916  HAVE_X_WINDOWS above and your X include files aren't in a place
2917  that your compiler can find on its own, you might want to add
2918  "-I/..." or something similar.])
2919 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC},
2920                    [Define to the unexec source file name.])
2921
2922 if test "${HAVE_X_WINDOWS}" = "yes" ; then
2923   AC_DEFINE(HAVE_X_WINDOWS, 1,
2924             [Define to 1 if you want to use the X window system.])
2925 fi
2926 if test "${USE_X_TOOLKIT}" != "none" ; then
2927   AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
2928 fi
2929 if test "${HAVE_X11}" = "yes" ; then
2930   AC_DEFINE(HAVE_X11, 1,
2931             [Define to 1 if you want to use version 11 of X windows.
2932              Otherwise, Emacs expects to use version 10.])
2933 fi
2934 if test "${HAVE_XFREE386}" = "yes" ; then
2935   AC_DEFINE(HAVE_XFREE386, 1, [Define to 1 if you're using XFree386.])
2936 fi
2937 if test "${HAVE_MENUS}" = "yes" ; then
2938   AC_DEFINE(HAVE_MENUS, 1,
2939             [Define to 1 if you have mouse menus.
2940              (This is automatic if you use X, but the option to specify it remains.)
2941              It is also defined with other window systems that support xmenu.c.])
2942 fi
2943 if test "${GNU_MALLOC}" = "yes" ; then
2944   AC_DEFINE(GNU_MALLOC, 1,
2945             [Define to 1 if you want to use the GNU memory allocator.])
2946 fi
2947 if test "${REL_ALLOC}" = "yes" ; then
2948   AC_DEFINE(REL_ALLOC, 1,
2949             [Define REL_ALLOC if you want to use the relocating allocator for
2950              buffer space.])
2951 fi
2952
2953 AH_TOP([/* GNU Emacs site configuration template file.
2954    Copyright (C) 1988, 1993, 1994, 1999, 2000, 2001, 2002, 2004, 2005, 2006, 2007
2955              Free Software Foundation, Inc.
2956
2957 This file is part of GNU Emacs.
2958
2959 GNU Emacs is free software; you can redistribute it and/or modify
2960 it under the terms of the GNU General Public License as published by
2961 the Free Software Foundation; either version 2, or (at your option)
2962 any later version.
2963
2964 GNU Emacs is distributed in the hope that it will be useful,
2965 but WITHOUT ANY WARRANTY; without even the implied warranty of
2966 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2967 GNU General Public License for more details.
2968
2969 You should have received a copy of the GNU General Public License
2970 along with GNU Emacs; see the file COPYING.  If not, write to the
2971 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
2972 Boston, MA 02110-1301, USA.  */
2973
2974
2975 /* No code in Emacs #includes config.h twice, but some bits of code
2976    intended to work with other packages as well (like gmalloc.c)
2977    think they can include it as many times as they like.  */
2978 #ifndef EMACS_CONFIG_H
2979 #define EMACS_CONFIG_H
2980 ])dnl
2981
2982 AH_BOTTOM([
2983 /* If we're using any sort of window system, define some consequences.  */
2984 #ifdef HAVE_X_WINDOWS
2985 #define HAVE_WINDOW_SYSTEM
2986 #define MULTI_KBOARD
2987 #define HAVE_MOUSE
2988 #endif
2989
2990 /* If we're using the Carbon API on Mac OS X, define a few more
2991    variables as well.  */
2992 #ifdef HAVE_CARBON
2993 #define HAVE_WINDOW_SYSTEM
2994 #define HAVE_MOUSE
2995 #endif
2996
2997 /* Define USER_FULL_NAME to return a string
2998    that is the user's full name.
2999    It can assume that the variable `pw'
3000    points to the password file entry for this user.
3001
3002    At some sites, the pw_gecos field contains
3003    the user's full name.  If neither this nor any other
3004    field contains the right thing, use pw_name,
3005    giving the user's login name, since that is better than nothing.  */
3006 #define USER_FULL_NAME pw->pw_gecos
3007
3008 /* Define AMPERSAND_FULL_NAME if you use the convention
3009    that & in the full name stands for the login id.  */
3010 /* Turned on June 1996 supposing nobody will mind it.  */
3011 #define AMPERSAND_FULL_NAME
3012
3013 /* We have blockinput.h.  */
3014 #define DO_BLOCK_INPUT
3015
3016 /* Define HAVE_SOUND if we have sound support.  We know it works
3017    and compiles only on the specified platforms.   For others,
3018    it probably doesn't make sense to try.  */
3019
3020 #if defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
3021 #ifdef HAVE_MACHINE_SOUNDCARD_H
3022 #define HAVE_SOUND 1
3023 #endif
3024 #ifdef HAVE_SYS_SOUNDCARD_H
3025 #define HAVE_SOUND 1
3026 #endif
3027 #ifdef HAVE_SOUNDCARD_H
3028 #define HAVE_SOUND 1
3029 #endif
3030 #ifdef HAVE_ALSA
3031 #define HAVE_SOUND 1
3032 #endif
3033 #endif /* __FreeBSD__ || __NetBSD__ || __linux__  */
3034
3035 /* If using GNU, then support inline function declarations. */
3036 /* Don't try to switch on inline handling as detected by AC_C_INLINE
3037    generally, because even if non-gcc compilers accept `inline', they
3038    may reject `extern inline'.  */
3039 #if defined (__GNUC__) && defined (OPTIMIZE)
3040 #define INLINE __inline__
3041 #else
3042 #define INLINE
3043 #endif
3044
3045 /* Include the os and machine dependent files.  */
3046 #include config_opsysfile
3047 #include config_machfile
3048
3049 /* Load in the conversion definitions if this system
3050    needs them and the source file being compiled has not
3051    said to inhibit this.  There should be no need for you
3052    to alter these lines.  */
3053
3054 #ifdef SHORTNAMES
3055 #ifndef NO_SHORTNAMES
3056 #include "../shortnames/remap.h"
3057 #endif /* not NO_SHORTNAMES */
3058 #endif /* SHORTNAMES */
3059
3060 /* If no remapping takes place, static variables cannot be dumped as
3061    pure, so don't worry about the `static' keyword. */
3062 #ifdef NO_REMAP
3063 #undef static
3064 #endif
3065
3066 /* Define `subprocesses' should be defined if you want to
3067    have code for asynchronous subprocesses
3068    (as used in M-x compile and M-x shell).
3069    These do not work for some USG systems yet;
3070    for the ones where they work, the s/SYSTEM.h file defines this flag.  */
3071
3072 #ifndef VMS
3073 #ifndef USG
3074 /* #define subprocesses */
3075 #endif
3076 #endif
3077
3078 /* SIGTYPE is the macro we actually use.  */
3079 #ifndef SIGTYPE
3080 #define SIGTYPE RETSIGTYPE
3081 #endif
3082
3083 #ifdef emacs /* Don't do this for lib-src.  */
3084 /* Tell regex.c to use a type compatible with Emacs.  */
3085 #define RE_TRANSLATE_TYPE Lisp_Object
3086 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3087 #ifdef make_number
3088 /* If make_number is a macro, use it.  */
3089 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3090 #else
3091 /* If make_number is a function, avoid it.  */
3092 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3093 #endif
3094 #endif
3095
3096 /* Avoid link-time collision with system mktime if we will use our own.  */
3097 #if ! HAVE_MKTIME || BROKEN_MKTIME
3098 #define mktime emacs_mktime
3099 #endif
3100
3101 #define my_strftime nstrftime   /* for strftime.c */
3102
3103 /* The rest of the code currently tests the CPP symbol BSTRING.
3104    Override any claims made by the system-description files.
3105    Note that on some SCO version it is possible to have bcopy and not bcmp.  */
3106 #undef BSTRING
3107 #if defined (HAVE_BCOPY) && defined (HAVE_BCMP)
3108 #define BSTRING
3109 #endif
3110
3111 /* Some of the files of Emacs which are intended for use with other
3112    programs assume that if you have a config.h file, you must declare
3113    the type of getenv.
3114
3115    This declaration shouldn't appear when alloca.s or Makefile.in
3116    includes config.h.  */
3117 #ifndef NOT_C_CODE
3118 extern char *getenv ();
3119 #endif
3120
3121 /* These default definitions are good for almost all machines.
3122    The exceptions override them in m/MACHINE.h.  */
3123
3124 #ifndef BITS_PER_CHAR
3125 #define BITS_PER_CHAR 8
3126 #endif
3127
3128 #ifndef BITS_PER_SHORT
3129 #define BITS_PER_SHORT 16
3130 #endif
3131
3132 /* Note that lisp.h uses this in a preprocessor conditional, so it
3133    would not work to use sizeof.  That being so, we do all of them
3134    without sizeof, for uniformity's sake.  */
3135 #ifndef BITS_PER_INT
3136 #define BITS_PER_INT 32
3137 #endif
3138
3139 #ifndef BITS_PER_LONG
3140 #ifdef _LP64
3141 #define BITS_PER_LONG 64
3142 #else
3143 #define BITS_PER_LONG 32
3144 #endif
3145 #endif
3146
3147 /* Define if the compiler supports function prototypes.  It may do so
3148    but not define __STDC__ (e.g. DEC C by default) or may define it as
3149    zero.  */
3150 #undef PROTOTYPES
3151 /* For mktime.c:  */
3152 #ifndef __P
3153 # if defined PROTOTYPES
3154 #  define __P(args) args
3155 # else
3156 #  define __P(args) ()
3157 # endif  /* GCC.  */
3158 #endif /* __P */
3159
3160 /* Don't include "string.h" or <stdlib.h> in non-C code.  */
3161 #ifndef NOT_C_CODE
3162 #ifdef HAVE_STRING_H
3163 #include "string.h"
3164 #endif
3165 #ifdef HAVE_STRINGS_H
3166 #include "strings.h"  /* May be needed for bcopy & al. */
3167 #endif
3168 #ifdef HAVE_STDLIB_H
3169 #include <stdlib.h>
3170 #endif
3171 #ifndef __GNUC__
3172 # ifdef HAVE_ALLOCA_H
3173 #  include <alloca.h>
3174 # else /* AIX files deal with #pragma.  */
3175 #  ifndef alloca /* predefined by HP cc +Olibcalls */
3176 char *alloca ();
3177 #  endif
3178 # endif /* HAVE_ALLOCA_H */
3179 #endif /* __GNUC__ */
3180 #ifndef HAVE_SIZE_T
3181 typedef unsigned size_t;
3182 #endif
3183 #endif /* NOT_C_CODE */
3184
3185 /* Define HAVE_X_I18N if we have usable i18n support.  */
3186
3187 #ifdef HAVE_X11R6
3188 #define HAVE_X_I18N
3189 #elif defined HAVE_X11R5 && !defined X11R5_INHIBIT_I18N
3190 #define HAVE_X_I18N
3191 #endif
3192
3193 /* Define HAVE_X11R6_XIM if we have usable X11R6-style XIM support.  */
3194
3195 #if defined HAVE_X11R6 && !defined INHIBIT_X11R6_XIM
3196 #define HAVE_X11R6_XIM
3197 #endif
3198
3199 /* Should we enable expensive run-time checking of data types?  */
3200 #undef ENABLE_CHECKING
3201
3202 #if defined __GNUC__ && (__GNUC__ > 2 \
3203                          || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3204 #define NO_RETURN       __attribute__ ((__noreturn__))
3205 #else
3206 #define NO_RETURN       /* nothing */
3207 #endif
3208
3209 /* These won't be used automatically yet.  We also need to know, at least,
3210    that the stack is continuous.  */
3211 #ifdef __GNUC__
3212 #  ifndef GC_SETJMP_WORKS
3213   /* GC_SETJMP_WORKS is nearly always appropriate for GCC --
3214      see NON_SAVING_SETJMP in the target descriptions.  */
3215   /* Exceptions (see NON_SAVING_SETJMP in target description) are ns32k,
3216      SCO5 non-ELF (but Emacs specifies ELF) and SVR3 on x86.
3217      Fixme: Deal with ns32k, SVR3.  */
3218 #    define GC_SETJMP_WORKS 1
3219 #  endif
3220 #  ifndef GC_LISP_OBJECT_ALIGNMENT
3221 #    define GC_LISP_OBJECT_ALIGNMENT (__alignof__ (Lisp_Object))
3222 #  endif
3223 #endif
3224
3225 #ifndef HAVE_BCOPY
3226 #define bcopy(a,b,s) memcpy (b,a,s)
3227 #endif
3228 #ifndef HAVE_BZERO
3229 #define bzero(a,s) memset (a,0,s)
3230 #endif
3231 #ifndef HAVE_BCMP
3232 #define BCMP memcmp
3233 #endif
3234
3235 #endif /* EMACS_CONFIG_H */
3236
3237 /*
3238 Local Variables:
3239 mode: c
3240 End:
3241 */
3242 ])dnl
3243
3244 #### Report on what we decided to do.
3245 #### Report GTK as a toolkit, even if it doesn't use Xt.
3246 #### It makes printing result more understandable as using GTK sets
3247 #### toolkit_scroll_bars to yes by default.
3248 if test "${HAVE_GTK}" = "yes"; then
3249   USE_X_TOOLKIT=GTK
3250 fi
3251
3252 echo "
3253 Configured for \`${canonical}'.
3254
3255   Where should the build process find the source code?    ${srcdir}
3256   What operating system and machine description files should Emacs use?
3257         \`${opsysfile}' and \`${machfile}'
3258   What compiler should emacs be built with?               ${CC} ${CFLAGS}
3259   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
3260   Should Emacs use a relocating allocator for buffers?    ${REL_ALLOC}
3261   Should Emacs use mmap(2) for buffer allocation?         $use_mmap_for_buffers
3262   What window system should Emacs use?                    ${window_system}
3263   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
3264
3265 if test -n "${x_includes}"; then
3266 echo "  Where do we find X Windows header files?                ${x_includes}"
3267 else
3268 echo "  Where do we find X Windows header files?                Standard dirs"
3269 fi
3270 if test -n "${x_libraries}"; then
3271 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
3272 else
3273 echo "  Where do we find X Windows libraries?                   Standard dirs"
3274 fi
3275
3276 echo "  Does Emacs use -lXaw3d?                                 ${HAVE_XAW3D}"
3277 echo "  Does Emacs use -lXpm?                                   ${HAVE_XPM}"
3278 echo "  Does Emacs use -ljpeg?                                  ${HAVE_JPEG}"
3279 echo "  Does Emacs use -ltiff?                                  ${HAVE_TIFF}"
3280 echo "  Does Emacs use -lungif?                                 ${HAVE_GIF}"
3281 echo "  Does Emacs use -lpng?                                   ${HAVE_PNG}"
3282 echo "  Does Emacs use -lgpm?                                   ${HAVE_GPM}"
3283 echo "  Does Emacs use X toolkit scroll bars?                   ${USE_TOOLKIT_SCROLL_BARS}"
3284 echo
3285
3286 if test $USE_XASSERTS = yes; then
3287    echo "  Compiling with asserts turned on."
3288    CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3289    echo
3290 fi
3291
3292 if test "$USE_X_TOOLKIT" = GTK; then
3293   case "$canonical" in
3294   *cygwin*)
3295     echo "There are known problems with Emacs and Gtk+ on cygwin, so you
3296   will probably get a crash on startup.  If this happens, please use another
3297   toolkit for Emacs.  See etc/PROBLEMS for more information."
3298   ;;
3299   esac
3300 fi
3301
3302
3303
3304 # Remove any trailing slashes in these variables.
3305 [test "${prefix}" != NONE &&
3306   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3307 test "${exec_prefix}" != NONE &&
3308   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3309
3310 ## Check if the C preprocessor will convert `..' to `. .'.  If so, set
3311 ## CPP_NEED_TRADITIONAL to `yes' so that the code to generate Makefile
3312 ## from Makefile.c can correctly provide the arg `-traditional' to the
3313 ## C preprocessor.
3314
3315 AC_EGREP_CPP(yes..yes,
3316         [yes..yes],
3317         CPP_NEED_TRADITIONAL=no,
3318         CPP_NEED_TRADITIONAL=yes)
3319
3320 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
3321         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
3322         lisp/Makefile lispref/Makefile lispintro/Makefile leim/Makefile, [
3323
3324 ### Make the necessary directories, if they don't exist.
3325 for dir in etc lisp ; do
3326   test -d ${dir} || mkdir ${dir}
3327 done
3328
3329 # Build src/Makefile from ${srcdir}/src/Makefile.c
3330 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
3331 # This must be done after src/config.h is built, since we rely on that file.
3332
3333 # Now get this: Some word that is part of the ${srcdir} directory name
3334 # or the ${configuration} value might, just might, happen to be an
3335 # identifier like `sun4' or `i386' or something, and be predefined by
3336 # the C preprocessor to some helpful value like 1, or maybe the empty
3337 # string.  Needless to say consequent macro substitutions are less
3338 # than conducive to the makefile finding the correct directory.
3339 [undefs="`echo $top_srcdir $configuration $canonical |
3340 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
3341     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
3342 `"]
3343
3344 echo creating src/epaths.h
3345 ${MAKE-make} epaths-force
3346
3347 # As of 2000-11-19, newest development versions of GNU cpp preprocess
3348 # `..' to `. .'  unless invoked with -traditional
3349
3350 if test "x$GCC" = xyes && test "x$CPP_NEED_TRADITIONAL" = xyes; then
3351   CPPFLAGS="$CPPFLAGS -traditional"
3352 fi
3353
3354 echo creating lib-src/Makefile
3355 ( cd lib-src
3356   rm -f junk.c junk1.c junk2.c
3357   sed -e '/start of cpp stuff/q' \
3358       < Makefile.c > junk1.c
3359   sed -e '1,/start of cpp stuff/d'\
3360       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
3361       < Makefile.c > junk.c
3362   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
3363       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
3364   cat junk1.c junk2.c > Makefile.new
3365   rm -f junk.c junk1.c junk2.c
3366   chmod 444 Makefile.new
3367   mv -f Makefile.new Makefile
3368 )
3369
3370 echo creating src/Makefile
3371 ( cd src
3372   rm -f junk.c junk1.c junk2.c
3373   sed -e '/start of cpp stuff/q' \
3374       < Makefile.c > junk1.c
3375   sed -e '1,/start of cpp stuff/d'\
3376       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
3377       < Makefile.c > junk.c
3378   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
3379       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
3380   cat junk1.c junk2.c > Makefile.new
3381   rm -f junk.c junk1.c junk2.c
3382   chmod 444 Makefile.new
3383   mv -f Makefile.new Makefile
3384 )
3385
3386 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3387   echo creating src/.gdbinit
3388   echo source $srcdir/src/.gdbinit > src/.gdbinit
3389 fi
3390
3391 # This is how we know whether to re-run configure in certain cases.
3392 touch src/config.stamp
3393
3394 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPP_NEED_TRADITIONAL="$CPP_NEED_TRADITIONAL" CPPFLAGS="$CPPFLAGS"])
3395
3396 m4_if(dnl       Do not change this comment
3397    arch-tag: 156a4dd5-bddc-4d18-96ac-f37742cf6a5e
3398 )dnl