dnl Autoconf script for GNU Emacs dnl To rebuild the `configure' script from this, execute the command dnl autoconf dnl in the directory containing this script. dnl dnl Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2003, dnl 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. dnl dnl This file is part of GNU Emacs. dnl dnl GNU Emacs is free software: you can redistribute it and/or modify dnl it under the terms of the GNU General Public License as published by dnl the Free Software Foundation, either version 3 of the License, or dnl (at your option) any later version. dnl dnl GNU Emacs is distributed in the hope that it will be useful, dnl but WITHOUT ANY WARRANTY; without even the implied warranty of dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the dnl GNU General Public License for more details. dnl dnl You should have received a copy of the GNU General Public License dnl along with GNU Emacs. If not, see . AC_PREREQ(2.61) AC_INIT(emacs, 23.0.60) AC_CONFIG_HEADER(src/config.h:src/config.in) AC_CONFIG_SRCDIR(src/lisp.h) dnl Support for --program-prefix, --program-suffix and dnl --program-transform-name options AC_ARG_PROGRAM lispdir='${datadir}/emacs/${version}/lisp' locallisppath='${datadir}/emacs/${version}/site-lisp:'\ '${datadir}/emacs/site-lisp' lisppath='${locallisppath}:${lispdir}:${datadir}/emacs/${version}/leim' etcdir='${datadir}/emacs/${version}/etc' archlibdir='${libexecdir}/emacs/${version}/${configuration}' docdir='${datadir}/emacs/${version}/etc' gamedir='${localstatedir}/games/emacs' gameuser=games dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING) dnl Create a new --with option that defaults to being disabled. dnl NAME is the base name of the option. The shell variable with_NAME dnl will be set to either the user's value (if the option is dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the dnl option is not specified). Note that the shell variable name is dnl constructed as autoconf does, by replacing non-alphanumeric dnl characters with "_". dnl HELP-STRING is the help text for the option. AC_DEFUN([OPTION_DEFAULT_OFF], [dnl AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl ])dnl dnl OPTION_DEFAULT_ON(NAME, HELP-STRING) dnl Create a new --with option that defaults to being enabled. NAME dnl is the base name of the option. The shell variable with_NAME dnl will be set either to 'no' (for a plain --without-NAME) or to dnl 'yes' (if the option is not specified). Note that the shell dnl variable name is constructed as autoconf does, by replacing dnl non-alphanumeric characters with "_". dnl HELP-STRING is the help text for the option. AC_DEFUN([OPTION_DEFAULT_ON], [dnl AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=yes])dnl ])dnl OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail]) if test "$with_pop" = yes; then AC_DEFINE(MAIL_USE_POP) fi AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP]) if test "$with_kerberos" != no; then AC_DEFINE(KERBEROS) fi AH_TEMPLATE(KERBEROS, [Define to support Kerberos-authenticated POP mail retrieval.])dnl OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP]) if test "${with_kerberos5}" != no; then if test "${with_kerberos}" = no; then with_kerberos=yes AC_DEFINE(KERBEROS) fi AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.]) fi OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host]) if test "$with_hesiod" != no; then AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.]) fi OPTION_DEFAULT_ON([sound],[don't compile with sound support]) OPTION_DEFAULT_ON([sync-input],[Process async input synchronously]) if test "$with_sync_input" = yes; then AC_DEFINE(SYNC_INPUT, 1, [Process async input synchronously.]) fi dnl FIXME currently it is not the last. dnl This should be the last --with option, because --with-x is dnl added later on when we find the path of X, and it's best to dnl keep them together visually. AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT], [use an X toolkit (KIT one of: yes, lucid, athena, motif, gtk, no)])], [ case "${withval}" in y | ye | yes ) val=gtk ;; n | no ) val=no ;; l | lu | luc | luci | lucid ) val=lucid ;; a | at | ath | athe | athen | athena ) val=athena ;; m | mo | mot | moti | motif ) val=motif ;; g | gt | gtk ) val=gtk ;; * ) AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid; this option's value should be `yes', `no', `lucid', `athena', `motif' or `gtk'. `yes' and `gtk' are synonyms. `athena' and `lucid' are synonyms.]) ;; esac with_x_toolkit=$val ]) dnl _ON results in a '--without' option in the --help output, so dnl the help text should refer to "don't compile", etc. OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support]) OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support]) OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support]) OPTION_DEFAULT_ON([gif],[don't compile with GIF image support]) OPTION_DEFAULT_ON([png],[don't compile with PNG image support]) OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support]) OPTION_DEFAULT_ON([freetype],[don't use Freetype for local font support]) OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts]) OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support]) OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping]) OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars]) OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d]) OPTION_DEFAULT_ON([xim],[don't use X11 XIM]) OPTION_DEFAULT_OFF([carbon],[use Carbon GUI on Mac OS X. This is unsupported!]) OPTION_DEFAULT_OFF([ns],[use nextstep (Cocoa or GNUstep) windowing system]) OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console]) OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support]) ## For the times when you want to build Emacs but don't have ## a suitable makeinfo, and can live without the manuals. dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals]) dnl Can remove these in Emacs 24. AC_ARG_WITH([gtk],, AC_MSG_ERROR([--with-gtk has been removed. Use --with-x-toolkit to specify a toolkit.]),,) AC_ARG_WITH([gcc],, AC_MSG_ERROR([--with-gcc has been removed. Set the `CC' environment variable to specify a compiler.]),,) AC_ARG_WITH([pkg-config-prog],dnl [AS_HELP_STRING([--with-pkg-config-prog=PATH], [Path to pkg-config for finding GTK and librsvg])]) if test "X${with_pkg_config_prog}" != X; then if test "${with_pkg_config_prog}" != yes; then PKG_CONFIG="${with_pkg_config_prog}" fi fi AC_ARG_ENABLE(carbon-app, [AS_HELP_STRING([--enable-carbon-app@<:@=DIR@:>@], [specify install directory for Emacs.app on Mac OS X [DIR=/Application]])], [ carbon_appdir_x=${enableval}]) AC_ARG_ENABLE(cocoa-experimental-ctrl-g, [ --enable-cocoa-experimental-ctrl-g enable experimental improved ctrl-g recognition], EN_COCOA_EXPERIMENTAL_CTRL_G=yes, EN_COCOA_EXPERIMENTAL_CTRL_G=no) AC_ARG_ENABLE(ns-self-contained, [ --disable-ns-self-contained disable self contained build under NS], EN_NS_SELF_CONTAINED=no, EN_NS_SELF_CONTAINED=yes) AC_ARG_ENABLE(asserts, [AS_HELP_STRING([--enable-asserts], [compile code with asserts enabled])], USE_XASSERTS=$enableval, USE_XASSERTS=no) AC_ARG_ENABLE(maintainer-mode, [AS_HELP_STRING([--enable-maintainer-mode], [enable make rules and dependencies not useful (and sometimes confusing) to the casual installer])], USE_MAINTAINER_MODE=$enableval, USE_MAINTAINER_MODE=no) if test $USE_MAINTAINER_MODE = yes; then MAINT= else MAINT=# fi AC_SUBST(MAINT) AC_ARG_ENABLE(locallisppath, [AS_HELP_STRING([--enable-locallisppath=PATH], [directories Emacs should search for lisp files specific to this site])], if test "${enableval}" = "no"; then locallisppath= elif test "${enableval}" != "yes"; then locallisppath=${enableval} fi) #### Make srcdir absolute, if it isn't already. It's important to #### avoid running the path through pwd unnecessarily, since pwd can #### give you automounter prefixes, which can go away. We do all this #### so Emacs can find its files when run uninstalled. ## Make sure CDPATH doesn't affect cd (in case PWD is relative). unset CDPATH case "${srcdir}" in /* ) ;; . ) ## We may be able to use the $PWD environment variable to make this ## absolute. But sometimes PWD is inaccurate. ## Note: we used to use ${PWD} at the end instead of `pwd`, ## but that tested only for a well-formed and valid PWD, ## it did not object when PWD was well-formed and valid but just wrong. if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`" ; then srcdir="$PWD" else srcdir="`(cd ${srcdir}; pwd)`" fi ;; * ) srcdir="`(cd ${srcdir}; pwd)`" ;; esac #### Check if the source directory already has a configured system in it. if test `pwd` != `(cd ${srcdir} && pwd)` \ && test -f "${srcdir}/src/config.h" ; then AC_MSG_WARN([[The directory tree `${srcdir}' is being used as a build directory right now; it has been configured in its own right. To configure in another directory as well, you MUST use GNU make. If you do not have GNU make, then you must now do `make distclean' in ${srcdir}, and then run $0 again.]]) fi #### Given the configuration name, set machfile and opsysfile to the #### names of the m/*.h and s/*.h files we should use. ### Canonicalize the configuration name. AC_CANONICAL_HOST canonical=$host configuration=${host_alias-${build_alias-$host}} dnl This used to use changequote, but, apart from `changequote is evil' dnl per the autoconf manual, we can speed up autoconf somewhat by quoting dnl the great gob of text. Thus it's not processed for possible expansion. dnl Just make sure the brackets remain balanced. dnl dnl Since Emacs can't find matching pairs of quotes, boundaries are dnl indicated by comments. dnl quotation begins [ ### If you add support for a new configuration, add code to this ### switch statement to recognize your configuration name and select ### the appropriate operating system and machine description files. ### You would hope that you could choose an m/*.h file pretty much ### based on the machine portion of the configuration name, and an s- ### file based on the operating system portion. However, it turns out ### that each m/*.h file is pretty manufacturer-specific - for ### example mips.h is MIPS ### So we basically have to have a special case for each ### configuration name. ### ### As far as handling version numbers on operating systems is ### concerned, make sure things will fail in a fixable way. If ### /etc/MACHINES doesn't say anything about version numbers, be ### prepared to handle anything reasonably. If version numbers ### matter, be sure /etc/MACHINES says something about it. ### ### Eric Raymond says we should accept strings like "sysvr4" to mean ### "System V Release 4"; he writes, "The old convention encouraged ### confusion between `system' and `release' levels'." machine='' opsys='' unported=no case "${canonical}" in ## FreeBSD ports *-*-freebsd* ) opsys=freebsd case "${canonical}" in alpha*-*-freebsd*) machine=alpha ;; arm*-*-freebsd*) machine=arm ;; ia64-*-freebsd*) machine=ia64 ;; sparc-*-freebsd*) machine=sparc ;; sparc64-*-freebsd*) machine=sparc ;; powerpc-*-freebsd*) machine=macppc ;; i[3456]86-*-freebsd*) machine=intel386 ;; amd64-*-freebsd*|x86_64-*-freebsd*) machine=amdx86-64 ;; esac ;; ## FreeBSD kernel + glibc based userland *-*-kfreebsd*gnu* ) opsys=gnu-kfreebsd case "${canonical}" in alpha*-*-kfreebsd*) machine=alpha ;; ia64-*-kfreebsd*) machine=ia64 ;; sparc-*-kfreebsd*) machine=sparc ;; sparc64-*-kfreebsd*) machine=sparc ;; powerpc-*-kfreebsd*) machine=macppc ;; i[3456]86-*-kfreebsd*) machine=intel386 ;; amd64-*-kfreebsd*|x86_64-*-kfreebsd*) machine=amdx86-64 ;; esac ;; ## NetBSD ports *-*-netbsd* ) opsys=netbsd if test -f /usr/lib/crti.o; then] dnl The close and open brackets here are because this section is quoted -- dnl see the `changequote' comment above. AC_DEFINE(HAVE_CRTIN, [], [Define to 1 if you have /usr/lib/crti.o.]) [ fi case "${canonical}" in alpha*-*-netbsd*) machine=alpha ;; i[3456]86-*-netbsd*) machine=intel386 ;; powerpc-*-netbsd*) machine=macppc ;; sparc*-*-netbsd*) machine=sparc ;; vax-*-netbsd*) machine=vax ;; arm-*-netbsd*) machine=arm ;; x86_64-*-netbsd*) machine=amdx86-64 ;; hppa-*-netbsd*) machine=hp800 ;; esac ;; ## OpenBSD ports *-*-openbsd* ) opsys=openbsd case "${canonical}" in alpha*-*-openbsd*) machine=alpha ;; arm-*-openbsd*) machine=arm ;; i386-*-openbsd*) machine=intel386 ;; powerpc-*-openbsd*) machine=macppc ;; sparc*-*-openbsd*) machine=sparc ;; vax-*-openbsd*) machine=vax ;; x86_64-*-openbsd*) machine=amdx86-64 ;; esac ;; ## LynxOS ports *-*-lynxos* ) opsys=lynxos case "${canonical}" in i[3456]86-*-lynxos*) machine=intel386 ;; powerpc-*-lynxos*) machine=powerpc ;; esac ;; alpha*-*-linux-gnu* ) machine=alpha opsys=gnu-linux ;; arm*-*-linux-gnu* ) machine=arm opsys=gnu-linux ;; ## Apple Darwin / Mac OS X *-apple-darwin* ) case "${canonical}" in i[3456]86-* ) machine=intel386 ;; powerpc-* ) machine=macppc ;; * ) unported=yes ;; esac opsys=darwin # Define CPP as follows to make autoconf work correctly. CPP="${CC-cc} -E -no-cpp-precomp" # Use fink packages if available. if test -d /sw/include && test -d /sw/lib; then GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib" CPP="${CPP} ${GCC_TEST_OPTIONS}" NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS} fi ;; ## HP 9000 series 700 and 800, running HP/UX hppa*-hp-hpux10.2* ) machine=hp800 opsys=hpux10-20 ;; hppa*-hp-hpux1[1-9]* ) machine=hp800 opsys=hpux11 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS" ;; hppa*-*-linux-gnu* ) machine=hp800 opsys=gnu-linux ;; ## IBM machines s390-*-linux-gnu* ) machine=ibms390 opsys=gnu-linux ;; s390x-*-linux-gnu* ) machine=ibms390x opsys=gnu-linux ;; rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2* ) machine=ibmrs6000 opsys=aix4-2 ;; rs6000-ibm-aix4.3* | powerpc-ibm-aix4.3* ) machine=ibmrs6000 opsys=aix4-2 ;; rs6000-ibm-aix5* | powerpc-ibm-aix5* ) machine=ibmrs6000 opsys=aix4-2 ;; rs6000-ibm-aix5* | powerpc-ibm-aix6* ) machine=ibmrs6000 opsys=aix4-2 ;; ## Macintosh PowerPC powerpc*-*-linux-gnu* ) machine=macppc opsys=gnu-linux ;; ## Silicon Graphics machines ## Iris 4D mips-sgi-irix6.5 ) machine=iris4d opsys=irix6-5 # Without defining _LANGUAGE_C, things get masked out in the headers # so that, for instance, grepping for `free' in stdlib.h fails and # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m). NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C" NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C" ;; ## Suns sparc-*-linux-gnu* | sparc64-*-linux-gnu* ) machine=sparc opsys=gnu-linux ;; *-sun-solaris* \ | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \ | rs6000-*-solaris2*) case "${canonical}" in i[3456]86-*-* ) machine=intel386 ;; amd64-*-*|x86_64-*-*) machine=amdx86-64 ;; powerpc* | rs6000* ) machine=ibmrs6000 ;; sparc* ) machine=sparc ;; * ) unported=yes ;; esac case "${canonical}" in *-sunos5.3* | *-solaris2.3* ) opsys=sol2-3 NON_GNU_CPP=/usr/ccs/lib/cpp ;; *-sunos5.4* | *-solaris2.4* ) opsys=sol2-4 NON_GNU_CPP=/usr/ccs/lib/cpp RANLIB="ar -ts" ;; *-sunos5.5* | *-solaris2.5* ) opsys=sol2-5 NON_GNU_CPP=/usr/ccs/lib/cpp RANLIB="ar -ts" ;; *-sunos5.6* | *-solaris2.6* ) opsys=sol2-6 NON_GNU_CPP=/usr/ccs/lib/cpp RANLIB="ar -ts" ;; *-sunos5* | *-solaris* ) opsys=sol2-6 emacs_check_sunpro_c=yes NON_GNU_CPP=/usr/ccs/lib/cpp ;; esac ## Watch out for a compiler that we know will not work. case "${canonical}" in *-solaris* | *-sunos5* ) if [ "x$CC" = x/usr/ucb/cc ]; then ## /usr/ucb/cc doesn't work; ## we should find some other compiler that does work. unset CC fi ;; *) ;; esac ;; ## Vaxen. vax-dec-* ) machine=vax case "${canonical}" in *-vms* ) opsys=vms ;; * ) unported=yes esac ;; ## IA-64 ia64*-*-linux* ) machine=ia64 opsys=gnu-linux ;; ## Intel 386 machines where we don't care about the manufacturer i[3456]86-*-* ) machine=intel386 case "${canonical}" in *-cygwin ) opsys=cygwin ;; *-darwin* ) opsys=darwin CPP="${CC-cc} -E -no-cpp-precomp" ;; *-linux-gnu* ) opsys=gnu-linux ;; *-sysv4.2uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;; *-sysv5uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;; *-sysv5OpenUNIX* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;; ## Otherwise, we'll fall through to the generic opsys code at the bottom. esac ;; ## m68k Linux-based GNU system m68k-*-linux-gnu* ) machine=m68k opsys=gnu-linux ;; ## Mips Linux-based GNU system mips-*-linux-gnu* | mipsel-*-linux-gnu* ) machine=mips opsys=gnu-linux ;; ## AMD x86-64 Linux-based GNU system x86_64-*-linux-gnu* ) machine=amdx86-64 opsys=gnu-linux ;; ## Tensilica Xtensa Linux-based GNU system xtensa*-*-linux-gnu* ) machine=xtensa opsys=gnu-linux ;; * ) unported=yes ;; esac ### If the code above didn't choose an operating system, just choose ### an operating system based on the configuration name. You really ### only want to use this when you have no idea what the right ### operating system is; if you know what operating systems a machine ### runs, it's cleaner to make it explicit in the case statement ### above. if test x"${opsys}" = x; then case "${canonical}" in *-gnu* ) opsys=gnu ;; *-sysv4.2uw* ) opsys=unixware ;; *-sysv5uw* ) opsys=unixware ;; *-sysv5OpenUNIX* ) opsys=unixware ;; *-sysv4.1* | *-sysvr4.1* ) NON_GNU_CPP=/usr/lib/cpp opsys=usg5-4 ;; *-sysv4.[2-9]* | *-sysvr4.[2-9]* ) if [ x$NON_GNU_CPP = x ]; then if [ -f /usr/ccs/lib/cpp ]; then NON_GNU_CPP=/usr/ccs/lib/cpp else NON_GNU_CPP=/lib/cpp fi fi opsys=usg5-4-2 ;; *-sysv4* | *-sysvr4* ) opsys=usg5-4 ;; * ) unported=yes ;; esac fi ] dnl quotation ends if test $unported = yes; then AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems. Check `etc/MACHINES' for recognized configuration names.]) fi machfile="m/${machine}.h" opsysfile="s/${opsys}.h" #### Choose a compiler. test -n "$CC" && cc_specified=yes # Save the value of CFLAGS that the user specified. SPECIFIED_CFLAGS="$CFLAGS" dnl Sets GCC=yes if using gcc. AC_PROG_CC # On Suns, sometimes $CPP names a directory. if test -n "$CPP" && test -d "$CPP"; then CPP= fi ## If not using gcc, and on Solaris, and no CPP specified, see if ## using a Sun compiler, which needs -Xs to prevent whitespace. if test x"$GCC" != xyes && test x"$emacs_check_sunpro_c" = xyes && \ test x"$CPP" = x; then AC_MSG_CHECKING([whether we are using a Sun C compiler]) AC_CACHE_VAL(emacs_cv_sunpro_c, [AC_TRY_LINK([], [#ifndef __SUNPRO_C fail; #endif ], emacs_cv_sunpro_c=yes, emacs_cv_sunpro_c=no)]) AC_MSG_RESULT($emacs_cv_sunpro_c) if test x"$emacs_cv_sunpro_c" = xyes; then NON_GNU_CPP="$CC -E -Xs" fi fi #### Some systems specify a CPP to use unless we are using GCC. #### Now that we know whether we are using GCC, we can decide whether #### to use that one. if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x then CPP="$NON_GNU_CPP" fi #### Some systems specify a CC to use unless we are using GCC. #### Now that we know whether we are using GCC, we can decide whether #### to use that one. if test "x$NON_GNU_CC" != x && test x$GCC != xyes && test x$cc_specified != xyes then CC="$NON_GNU_CC" fi if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x then CC="$CC $GCC_TEST_OPTIONS" fi if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x then CC="$CC $NON_GCC_TEST_OPTIONS" fi dnl checks for Unix variants AC_USE_SYSTEM_EXTENSIONS ### Use -Wno-pointer-sign if the compiler supports it AC_MSG_CHECKING([whether gcc understands -Wno-pointer-sign]) SAVE_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Wno-pointer-sign" AC_TRY_COMPILE([], [], has_option=yes, has_option=no,) if test $has_option = yes; then C_WARNINGS_SWITCH="-Wno-pointer-sign $C_WARNINGS_SWITCH" fi AC_MSG_RESULT($has_option) CFLAGS="$SAVE_CFLAGS" unset has_option unset SAVE_CFLAGS #### Some other nice autoconf tests. dnl checks for programs AC_PROG_LN_S AC_PROG_CPP AC_PROG_INSTALL if test "x$RANLIB" = x; then AC_PROG_RANLIB fi AC_PATH_PROG(INSTALL_INFO, install-info) AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin) AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin) dnl Don't use GZIP, which is used by gzip for additional parameters. AC_PATH_PROG(GZIP_PROG, gzip) ## Need makeinfo >= 4.6 (?) to build the manuals. AC_PATH_PROG(MAKEINFO, makeinfo, no) dnl By this stage, configure has already checked for egrep and set EGREP, dnl or exited with an error if no egrep was found. if test "$MAKEINFO" != "no" && \ test x"`$MAKEINFO --version 2> /dev/null | $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[6-9]]|4\.[[1-5]][[0-9]]+)'`" = x; then MAKEINFO=no fi ## Makeinfo is unusual. For a released Emacs, the manuals are ## pre-built, and not deleted by the normal clean rules. makeinfo is ## therefore in the category of "special tools" not normally required, which ## configure does not have to check for (eg autoconf itself). ## In a CVS checkout on the other hand, the manuals are not included. ## So makeinfo is a requirement to build from CVS, and configure ## should test for it as it does for any other build requirement. ## We use the presence of $srcdir/info/emacs to distinguish a release, ## with pre-built manuals, from a CVS checkout. if test "$MAKEINFO" = "no"; then if test "x${with_makeinfo}" = "xno"; then MAKEINFO=off elif ! test -e $srcdir/info/emacs; then AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.6, and your source tree does not seem to have pre-built manuals in the `info' directory. Either install a suitable version of makeinfo, or re-run configure with the `--without-makeinfo' option to build without the manuals.] ) fi fi dnl Add our options to ac_link now, after it is set up. if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x then ac_link="$ac_link $GCC_LINK_TEST_OPTIONS" fi if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x then ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS" fi dnl We need -znocombreloc if we're using a relatively recent GNU ld. dnl If we can link with the flag, it shouldn't do any harm anyhow. dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.) dnl Treat GCC specially since it just gives a non-fatal `unrecognized option' dnl if not built to support GNU ld. late_LDFLAGS=$LDFLAGS if test "$GCC" = yes; then LDFLAGS="$LDFLAGS -Wl,-znocombreloc" else LDFLAGS="$LDFLAGS -znocombreloc" fi AC_MSG_CHECKING([for -znocombreloc]) AC_LINK_IFELSE([main(){return 0;}], [AC_MSG_RESULT(yes)], LDFLAGS=$late_LDFLAGS [AC_MSG_RESULT(no)]) #### Extract some information from the operating system and machine files. AC_CHECKING([the machine- and system-dependent files to find out - which libraries the lib-src programs will want, and - whether the GNU malloc routines are usable]) ### First figure out CFLAGS (which we use for running the compiler here) ### and REAL_CFLAGS (which we use for real compilation). ### The two are the same except on a few systems, where they are made ### different to work around various lossages. For example, ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g ### as implying static linking. ### If the CFLAGS env var is specified, we use that value ### instead of the default. ### It's not important that this name contain the PID; you can't run ### two configures in the same directory and have anything work ### anyway. tempcname="conftest.c" echo ' #include "'${srcdir}'/src/'${opsysfile}'" #include "'${srcdir}'/src/'${machfile}'" #ifndef LIBS_MACHINE #define LIBS_MACHINE #endif #ifndef LIBS_SYSTEM #define LIBS_SYSTEM #endif #ifndef C_SWITCH_SYSTEM #define C_SWITCH_SYSTEM #endif #ifndef C_SWITCH_MACHINE #define C_SWITCH_MACHINE #endif configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM configure___ c_switch_system=C_SWITCH_SYSTEM configure___ c_switch_machine=C_SWITCH_MACHINE #ifndef LIB_X11_LIB #define LIB_X11_LIB -lX11 #endif #ifndef LIBX11_SYSTEM #define LIBX11_SYSTEM #endif configure___ LIBX=LIB_X11_LIB LIBX11_SYSTEM #ifdef UNEXEC configure___ unexec=UNEXEC #else configure___ unexec=unexec.o #endif #ifdef SYSTEM_MALLOC configure___ system_malloc=yes #else configure___ system_malloc=no #endif #ifdef USE_MMAP_FOR_BUFFERS configure___ use_mmap_for_buffers=yes #else configure___ use_mmap_for_buffers=no #endif #ifndef C_DEBUG_SWITCH #define C_DEBUG_SWITCH -g #endif #ifndef C_OPTIMIZE_SWITCH #ifdef __GNUC__ #define C_OPTIMIZE_SWITCH -O2 #else #define C_OPTIMIZE_SWITCH -O #endif #endif #ifndef C_WARNINGS_SWITCH #define C_WARNINGS_SWITCH ${C_WARNINGS_SWITCH} #endif #ifndef LD_SWITCH_MACHINE #define LD_SWITCH_MACHINE #endif #ifndef LD_SWITCH_SYSTEM #define LD_SWITCH_SYSTEM #endif #ifndef LD_SWITCH_X_SITE_AUX #define LD_SWITCH_X_SITE_AUX #endif configure___ ld_switch_system=LD_SWITCH_SYSTEM configure___ ld_switch_machine=LD_SWITCH_MACHINE #ifdef THIS_IS_CONFIGURE /* Get the CFLAGS for tests in configure. */ #ifdef __GNUC__ configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}' #else configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}' #endif #else /* not THIS_IS_CONFIGURE */ /* Get the CFLAGS for real compilation. */ #ifdef __GNUC__ configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH C_WARNINGS_SWITCH '${SPECIFIED_CFLAGS}' #else configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}' #endif #endif /* not THIS_IS_CONFIGURE */ ' > ${tempcname} # The value of CPP is a quoted variable reference, so we need to do this # to get its actual value... CPP=`eval "echo $CPP"` [eval `${CPP} -Isrc ${tempcname} \ | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'` if test "x$SPECIFIED_CFLAGS" = x; then eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \ | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'` else REAL_CFLAGS="$CFLAGS" fi] rm ${tempcname} ac_link="$ac_link $ld_switch_machine $ld_switch_system" ### Make sure subsequent tests use flags consistent with the build flags. if test x"${OVERRIDE_CPPFLAGS}" != x; then CPPFLAGS="${OVERRIDE_CPPFLAGS}" else CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS" fi dnl For AC_FUNC_GETLOADAVG, at least: AC_CONFIG_LIBOBJ_DIR(src) dnl Do this early because it can frob feature test macros for Unix-98 &c. AC_SYS_LARGEFILE ### The standard library on x86-64 and s390x GNU/Linux distributions can ### be located in either /usr/lib64 or /usr/lib. case "${canonical}" in x86_64-*-linux-gnu* | s390x-*-linux-gnu* ) if test -d /usr/lib64; then AC_DEFINE(HAVE_LIB64_DIR, 1, [Define to 1 if the directory /usr/lib64 exists.]) fi esac dnl This function defintion taken from Gnome 2.0 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not) dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page dnl also defines GSTUFF_PKG_ERRORS on error AC_DEFUN([PKG_CHECK_MODULES], [ succeeded=no AC_PATH_PROG(PKG_CONFIG, pkg-config, no) if test "$PKG_CONFIG" = "no" ; then ifelse([$4], , [AC_MSG_ERROR([ *** 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]) else PKG_CONFIG_MIN_VERSION=0.9.0 if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then AC_MSG_CHECKING(for $2) if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD; then AC_MSG_RESULT(yes) succeeded=yes AC_MSG_CHECKING($1_CFLAGS) $1_CFLAGS=`$PKG_CONFIG --cflags "$2"|sed -e 's,///*,/,g'` AC_MSG_RESULT($$1_CFLAGS) AC_MSG_CHECKING($1_LIBS) $1_LIBS=`$PKG_CONFIG --libs "$2"|sed -e 's,///*,/,g'` AC_MSG_RESULT($$1_LIBS) else AC_MSG_RESULT(no) $1_CFLAGS="" $1_LIBS="" ## If we have a custom action on failure, don't print errors, but ## do set a variable so people can do so. $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"` ifelse([$4], ,echo $$1_PKG_ERRORS,) fi AC_SUBST($1_CFLAGS) AC_SUBST($1_LIBS) else echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer." echo "*** See http://www.freedesktop.org/software/pkgconfig" fi fi if test $succeeded = yes; then ifelse([$3], , :, [$3]) else 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.])], [$4]) fi ]) if test "${with_sound}" != "no"; then # Sound support for GNU/Linux and the free BSDs. AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h) # Emulation library used on NetBSD. AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=) AC_SUBST(LIBSOUND) ALSA_REQUIRED=1.0.0 ALSA_MODULES="alsa >= $ALSA_REQUIRED" PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no) if test $HAVE_ALSA = yes; then SAVE_CFLAGS="$CFLAGS" SAVE_LDFLAGS="$LDFLAGS" CFLAGS="$ALSA_CFLAGS $CFLAGS" LDFLAGS="$ALSA_LIBS $LDFLAGS" AC_TRY_COMPILE([#include ], [snd_lib_error_set_handler (0);], emacs_alsa_normal=yes, emacs_alsa_normal=no) if test "$emacs_alsa_normal" != yes; then AC_TRY_COMPILE([#include ], [snd_lib_error_set_handler (0);], emacs_alsa_subdir=yes, emacs_alsa_subdir=no) if test "$emacs_alsa_subdir" != yes; then AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.]) fi ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE" fi CFLAGS="$SAVE_CFLAGS" LDFLAGS="$SAVE_LDFLAGS" LIBSOUND="$LIBSOUND $ALSA_LIBS" CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS" AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.]) fi AC_SUBST(CFLAGS_SOUND) fi dnl checks for header files AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \ linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \ termcap.h stdio_ext.h fcntl.h strings.h coff.h pty.h sys/mman.h \ sys/param.h sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \ sys/utsname.h pwd.h) AC_MSG_CHECKING(if personality LINUX32 can be set) AC_TRY_COMPILE([#include ], [personality (PER_LINUX32)], emacs_cv_personality_linux32=yes, emacs_cv_personality_linux32=no) AC_MSG_RESULT($emacs_cv_personality_linux32) if test $emacs_cv_personality_linux32 = yes; then AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1, [Define to 1 if personality LINUX32 can be set.]) fi dnl On Solaris 8 there's a compilation warning for term.h because dnl it doesn't define `bool'. AC_CHECK_HEADERS(term.h, , , -) AC_HEADER_STDC AC_HEADER_TIME AC_CHECK_DECLS([sys_siglist]) if test $ac_cv_have_decl_sys_siglist != yes; then # For Tru64, at least: AC_CHECK_DECLS([__sys_siglist]) if test $ac_cv_have_decl___sys_siglist = yes; then AC_DEFINE(sys_siglist, __sys_siglist, [Define to any substitute for sys_siglist.]) fi fi AC_HEADER_SYS_WAIT dnl Some systems have utime.h but don't declare the struct anyplace. AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf, AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME #include #include #else #ifdef HAVE_SYS_TIME_H #include #else #include #endif #endif #ifdef HAVE_UTIME_H #include #endif], [static struct utimbuf x; x.actime = x.modtime;], emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no)) if test $emacs_cv_struct_utimbuf = yes; then AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by .]) fi dnl checks for typedefs AC_TYPE_SIGNAL dnl Check for speed_t typedef. AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t, [AC_TRY_COMPILE([#include ], [speed_t x = 1;], emacs_cv_speed_t=yes, emacs_cv_speed_t=no)]) if test $emacs_cv_speed_t = yes; then AC_DEFINE(HAVE_SPEED_T, 1, [Define to 1 if `speed_t' is declared by .]) fi AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval, AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME #include #include #else #ifdef HAVE_SYS_TIME_H #include #else #include #endif #endif], [static struct timeval x; x.tv_sec = x.tv_usec;], emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no)) HAVE_TIMEVAL=$emacs_cv_struct_timeval if test $emacs_cv_struct_timeval = yes; then AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by .]) fi AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception, AC_TRY_COMPILE([#include ], [static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;], emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no)) HAVE_EXCEPTION=$emacs_cv_struct_exception if test $emacs_cv_struct_exception != yes; then AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.]) fi AC_CHECK_HEADERS(sys/socket.h) AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT #if HAVE_SYS_SOCKET_H #include #endif]) dnl checks for structure members AC_STRUCT_TM AC_STRUCT_TIMEZONE AC_CHECK_MEMBER(struct tm.tm_gmtoff, [AC_DEFINE(HAVE_TM_GMTOFF, 1, [Define to 1 if `tm_gmtoff' is member of `struct tm'.])],, [#include ]) AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr, struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr, struct ifreq.ifr_addr], , , [AC_INCLUDES_DEFAULT #if HAVE_SYS_SOCKET_H #include #endif #if HAVE_NET_IF_H #include #endif]) dnl checks for compiler characteristics dnl Testing __STDC__ to determine prototype support isn't good enough. dnl DEC C, for instance, doesn't define it with default options, and dnl is used on 64-bit systems (OSF Alphas). Similarly for volatile dnl and void *. AC_C_PROTOTYPES AC_C_VOLATILE AC_C_CONST dnl This isn't useful because we can't turn on use of `inline' unless dnl the compiler groks `extern inline'. dnl AC_C_INLINE AC_CACHE_CHECK([for void * support], emacs_cv_void_star, [AC_TRY_COMPILE(, [void * foo;], emacs_cv_void_star=yes, emacs_cv_void_star=no)]) if test $emacs_cv_void_star = yes; then AC_DEFINE(POINTER_TYPE, void) else AC_DEFINE(POINTER_TYPE, char) fi AH_TEMPLATE(POINTER_TYPE, [Define as `void' if your compiler accepts `void *'; otherwise define as `char'.])dnl dnl This could be used for targets which can have both byte sexes. dnl We could presumably replace the hardwired WORDS_BIG_ENDIAN generally. dnl AC_C_BIGENDIAN dnl check for Make feature AC_PROG_MAKE_SET dnl checks for operating system services AC_SYS_LONG_FILE_NAMES #### Choose a window system. AC_PATH_X if test "$no_x" = yes; then window_system=none else window_system=x11 fi ## Workaround for bug in autoconf <= 2.62. ## http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01551.html ## No need to do anything special for these standard directories. ## This is an experiment, take it out if it causes problems. if test -n "${x_libraries}" && test x"${x_libraries}" != xNONE; then x_libraries=`echo :${x_libraries}: | sed -e 's|:/usr/lib64:|:|g' -e 's|:/lib64:|:|g' -e 's|^:||' -e 's|:$||'` fi if test "${x_libraries}" != NONE; then if test -n "${x_libraries}"; then LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"` LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"` fi x_default_search_path="" x_search_path=${x_libraries} if test -z "${x_search_path}"; then x_search_path=/usr/lib fi for x_library in `echo ${x_search_path}: | \ sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do x_search_path="\ ${x_library}/X11/%L/%T/%N%C%S:\ ${x_library}/X11/%l/%T/%N%C%S:\ ${x_library}/X11/%T/%N%C%S:\ ${x_library}/X11/%L/%T/%N%S:\ ${x_library}/X11/%l/%T/%N%S:\ ${x_library}/X11/%T/%N%S" if test x"${x_default_search_path}" = x; then x_default_search_path=${x_search_path} else x_default_search_path="${x_search_path}:${x_default_search_path}" fi done fi if test "${x_includes}" != NONE && test -n "${x_includes}"; then C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"` fi if test x"${x_includes}" = x; then bitmapdir=/usr/include/X11/bitmaps else # accumulate include directories that have X11 bitmap subdirectories bmd_acc="dummyval" for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do if test -d "${bmd}/X11/bitmaps"; then bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps" fi if test -d "${bmd}/bitmaps"; then bmd_acc="${bmd_acc}:${bmd}/bitmaps" fi done if test ${bmd_acc} != "dummyval"; then bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"` fi fi HAVE_CARBON=no if test "${with_carbon}" != no; then AC_CHECK_HEADER(Carbon/Carbon.h, HAVE_CARBON=yes) test "${HAVE_CARBON}" = yes && window_system=mac fi HAVE_NS=no NS_IMPL_COCOA=no NS_IMPL_GNUSTEP=no tmp_CPPFLAGS="$CPPFLAGS" tmp_CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS -x objective-c" CFLAGS="$CFLAGS -x objective-c" if test "${with_ns}" != no; then if test "${opsys}" = darwin; then NS_IMPL_COCOA=yes ns_appdir=`pwd`/nextstep/Emacs.app ns_appbindir=`pwd`/nextstep/Emacs.app/Contents/MacOS ns_appresdir=`pwd`/nextstep/Emacs.app/Contents/Resources ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base elif test -f /etc/GNUstep/GNUstep.conf; then NS_IMPL_GNUSTEP=yes ns_appdir=`pwd`/nextstep/Emacs.app ns_appbindir=`pwd`/nextstep/Emacs.app ns_appresdir=`pwd`/nextstep/Emacs.app/Resources ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base GNUSTEP_MAKEFILES="$(source /etc/GNUstep/GNUstep.conf; echo $GNUSTEP_MAKEFILES)" GNUSTEP_SYSTEM_HEADERS="$(source /etc/GNUstep/GNUstep.conf; echo $GNUSTEP_SYSTEM_HEADERS)" GNUSTEP_SYSTEM_LIBRARIES="$(source /etc/GNUstep/GNUstep.conf; echo $GNUSTEP_SYSTEM_LIBRARIES)" CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS}" CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS}" REAL_CFLAGS="$REAL_CFLAGS -I${GNUSTEP_SYSTEM_HEADERS}" LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES}" fi AC_CHECK_HEADER(AppKit/AppKit.h, HAVE_NS=yes) fi if test "${HAVE_NS}" = yes; then test "${window_system}" = mac && HAVE_CARBON=no window_system=nextstep with_xft=no with_freetype=no # set up packaging dirs exec_prefix=${ns_appbindir} libexecdir=${ns_appbindir}/libexec if test "${EN_NS_SELF_CONTAINED}" = yes; then prefix=${ns_appresdir} fi fi CFLAGS="$tmp_CFLAGS" CPPFLAGS="$tmp_CPPFLAGS" case "${window_system}" in x11 ) HAVE_X_WINDOWS=yes HAVE_X11=yes case "${with_x_toolkit}" in athena | lucid ) USE_X_TOOLKIT=LUCID ;; motif ) USE_X_TOOLKIT=MOTIF ;; gtk ) with_gtk=yes dnl Dont set this for GTK. A lot of tests below assumes Xt when dnl USE_X_TOOLKIT is set. USE_X_TOOLKIT=none ;; no ) USE_X_TOOLKIT=none ;; dnl If user did not say whether to use a toolkit, make this decision later: dnl use the toolkit if we have gtk, or X11R5 or newer. * ) USE_X_TOOLKIT=maybe ;; esac ;; nextstep | mac | none ) HAVE_X_WINDOWS=no HAVE_X11=no USE_X_TOOLKIT=none ;; esac if test "$window_system" = none && test "X$with_x" != "Xno"; then AC_CHECK_PROG(HAVE_XSERVER, X, true, false) if test "$HAVE_XSERVER" = true || test -n "$DISPLAY" || test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then AC_MSG_ERROR([You seem to be running X, but no X development libraries were found. You should install the relevant development files for X and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make sure you have development files for image handling, i.e. tiff, gif, jpeg, png and xpm. If you are sure you want Emacs compiled without X window support, pass --without-x to configure.]) fi fi ### If we're using X11, we should use the X menu package. HAVE_MENUS=no case ${HAVE_X11} in yes ) HAVE_MENUS=yes ;; esac # Do the opsystem or machine files prohibit the use of the GNU malloc? # Assume not, until told otherwise. GNU_MALLOC=yes doug_lea_malloc=yes AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no) AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no) AC_CACHE_CHECK(whether __after_morecore_hook exists, emacs_cv_var___after_morecore_hook, [AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0], emacs_cv_var___after_morecore_hook=yes, emacs_cv_var___after_morecore_hook=no)]) if test $emacs_cv_var___after_morecore_hook = no; then doug_lea_malloc=no fi if test "${system_malloc}" = "yes"; then GNU_MALLOC=no GNU_MALLOC_reason=" (The GNU allocators don't work with this system configuration.)" fi if test "$doug_lea_malloc" = "yes" ; then if test "$GNU_MALLOC" = yes ; then GNU_MALLOC_reason=" (Using Doug Lea's new malloc from the GNU C Library.)" fi AC_DEFINE(DOUG_LEA_MALLOC, 1, [Define to 1 if you are using the GNU C Library.]) fi if test x"${REL_ALLOC}" = x; then REL_ALLOC=${GNU_MALLOC} fi dnl For now, need to use an explicit `#define USE_MMAP_FOR_BUFFERS 1' dnl the system configuration file (s/*.h) to turn the use of mmap dnl in the relocating allocator on. AC_FUNC_MMAP if test $use_mmap_for_buffers = yes; then REL_ALLOC=no fi LIBS="$libsrc_libs $LIBS" dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks, dnl and also adds -ldnet to LIBS, which Autoconf uses for checks. AC_CHECK_LIB(dnet, dnet_ntoa) dnl This causes -lresolv to get used in subsequent tests, dnl which causes failures on some systems such as HPUX 9. dnl AC_CHECK_LIB(resolv, gethostbyname) dnl FIXME replace main with a function we actually want from this library. AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd") AC_CHECK_LIB(pthreads, cma_open) dnl Check for need for bigtoc support on IBM AIX case ${host_os} in aix*) AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [ case $GCC in yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;; *) gdb_cv_bigtoc=-bbigtoc ;; esac LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=]) ]) ;; esac # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets # used for the tests that follow. We set them back to REAL_CFLAGS and # REAL_CPPFLAGS later on. REAL_CPPFLAGS="$CPPFLAGS" if test "${HAVE_X11}" = "yes"; then DEFS="$C_SWITCH_X_SITE $DEFS" LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE" LIBS="$LIBX $LIBS" CFLAGS="$C_SWITCH_X_SITE $CFLAGS" CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS" # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests. # This is handled by LD_SWITCH_X_SITE_AUX during the real build, # but it's more convenient here to set LD_RUN_PATH # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX. if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH export LD_RUN_PATH fi if test "${opsys}" = "gnu-linux"; then AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link) AC_TRY_LINK([], [XOpenDisplay ("foo");], [xlinux_first_failure=no], [xlinux_first_failure=yes]) if test "${xlinux_first_failure}" = "yes"; then OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE" OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE" OLD_CPPFLAGS="$CPPFLAGS" OLD_LIBS="$LIBS" LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout" C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout" CPPFLAGS="$CPPFLAGS -b i486-linuxaout" LIBS="$LIBS -b i486-linuxaout" AC_TRY_LINK([], [XOpenDisplay ("foo");], [xlinux_second_failure=no], [xlinux_second_failure=yes]) if test "${xlinux_second_failure}" = "yes"; then # If we get the same failure with -b, there is no use adding -b. # So take it out. This plays safe. LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE" C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE" CPPFLAGS="$OLD_CPPFLAGS" LIBS="$OLD_LIBS" AC_MSG_RESULT(no) else AC_MSG_RESULT(yes) fi else AC_MSG_RESULT(no) fi fi # Reportedly, some broken Solaris systems have XKBlib.h but are missing # header files included from there. AC_MSG_CHECKING(for Xkb) AC_TRY_LINK([#include #include ], [XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);], emacs_xkb=yes, emacs_xkb=no) AC_MSG_RESULT($emacs_xkb) if test $emacs_xkb = yes; then AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.]) fi AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \ XScreenNumberOfScreen XSetWMProtocols) fi if test "${window_system}" = "x11"; then AC_MSG_CHECKING(X11 version 6) AC_CACHE_VAL(emacs_cv_x11_version_6, [AC_TRY_LINK([#include ], [#if XlibSpecificationRelease < 6 fail; #endif ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)]) if test $emacs_cv_x11_version_6 = yes; then AC_MSG_RESULT(6 or newer) AC_DEFINE(HAVE_X11R6, 1, [Define to 1 if you have the X11R6 or newer version of Xlib.]) else AC_MSG_RESULT(before 6) fi fi ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified. HAVE_RSVG=no if test "${HAVE_X11}" = "yes" || test "${HAVE_CARBON}" = "yes"; then if test "${with_rsvg}" != "no"; then RSVG_REQUIRED=2.0.0 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED" PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, :, :) AC_SUBST(RSVG_CFLAGS) AC_SUBST(RSVG_LIBS) if test ".${RSVG_CFLAGS}" != "."; then HAVE_RSVG=yes AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.]) CFLAGS="$CFLAGS $RSVG_CFLAGS" LIBS="$RSVG_LIBS $LIBS" fi fi fi HAVE_GTK=no if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then GLIB_REQUIRED=2.6 GTK_REQUIRED=2.6 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED" dnl Checks for libraries. PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no) if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then AC_MSG_ERROR($GTK_PKG_ERRORS) fi fi if test x"$pkg_check_gtk" = xyes; then AC_SUBST(GTK_CFLAGS) AC_SUBST(GTK_LIBS) C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS" CFLAGS="$CFLAGS $GTK_CFLAGS" LIBS="$GTK_LIBS $LIBS" dnl Try to compile a simple GTK program. GTK_COMPILES=no AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes) if test "${GTK_COMPILES}" != "yes"; then if test "$USE_X_TOOLKIT" != "maybe"; then AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]); fi else HAVE_GTK=yes AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.]) USE_X_TOOLKIT=none if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then : else AC_MSG_WARN([[Your version of Gtk+ will have problems with closing open displays. This is no problem if you just use one display, but if you use more than one and close one of them Emacs may crash.]]) sleep 3 fi fi fi if test "${HAVE_GTK}" = "yes"; then dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid dnl a lot if #ifdef:s, say we have toolkit scrollbars. if test "$with_toolkit_scroll_bars" != no; then with_toolkit_scroll_bars=yes fi dnl Check if we can use multiple displays with this GTK version. dnl If gdk_display_open exists, assume all others are there also. HAVE_GTK_MULTIDISPLAY=no AC_CHECK_FUNCS(gdk_display_open, HAVE_GTK_MULTIDISPLAY=yes) if test "${HAVE_GTK_MULTIDISPLAY}" = "yes"; then AC_DEFINE(HAVE_GTK_MULTIDISPLAY, 1, [Define to 1 if GTK can handle more than one display.]) fi dnl Check if we have the old file selection dialog. dnl If gdk_display_open exists, assume all others are there also. HAVE_GTK_FILE_SELECTION=no AC_CHECK_FUNCS(gtk_file_selection_new, HAVE_GTK_FILE_SELECTION=yes) dnl Check if we have the new file chooser dialog dnl If gdk_display_open exists, assume all others are there also. HAVE_GTK_FILE_CHOOSER=no AC_CHECK_FUNCS(gtk_file_chooser_dialog_new, HAVE_GTK_FILE_CHOOSER=yes) if test "$HAVE_GTK_FILE_SELECTION" = yes \ && test "$HAVE_GTK_FILE_CHOOSER" = yes; then AC_DEFINE(HAVE_GTK_FILE_BOTH, 1, [Define to 1 if GTK has both file selection and chooser dialog.]) fi dnl Check if pthreads are available. Emacs only needs this when using dnl gtk_file_chooser under Gnome. if test "$HAVE_GTK_FILE_CHOOSER" = yes; then HAVE_GTK_AND_PTHREAD=no AC_CHECK_HEADERS(pthread.h) if test "$ac_cv_header_pthread_h"; then AC_CHECK_LIB(pthread, pthread_self, HAVE_GTK_AND_PTHREAD=yes) fi if test "$HAVE_GTK_AND_PTHREAD" = yes; then case "${canonical}" in *-hpux*) ;; *) GTK_LIBS="$GTK_LIBS -lpthread" ;; esac AC_DEFINE(HAVE_GTK_AND_PTHREAD, 1, [Define to 1 if you have GTK and pthread (-lpthread).]) fi fi fi dnl D-Bus has been tested under GNU/Linux only. Must be adapted for dnl other platforms. Support for higher D-Bus versions than 1.0 is dnl also not configured. HAVE_DBUS=no if test "${with_dbus}" = "yes"; then PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no) if test "$HAVE_DBUS" = yes; then AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.]) fi fi dnl Do not put whitespace before the #include statements below. dnl Older compilers (eg sunos4 cc) choke on it. HAVE_XAW3D=no if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then if test "$with_xaw3d" != no; then AC_MSG_CHECKING(for xaw3d) AC_CACHE_VAL(emacs_cv_xaw3d, [AC_TRY_LINK([ #include #include ], [], emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)]) else emacs_cv_xaw3d=no fi if test $emacs_cv_xaw3d = yes; then AC_MSG_RESULT([yes; using Lucid toolkit]) USE_X_TOOLKIT=LUCID HAVE_XAW3D=yes AC_DEFINE(HAVE_XAW3D, 1, [Define to 1 if you have the Xaw3d library (-lXaw3d).]) else AC_MSG_RESULT(no) AC_MSG_CHECKING(for libXaw) AC_CACHE_VAL(emacs_cv_xaw, [AC_TRY_LINK([ #include #include ], [], emacs_cv_xaw=yes, emacs_cv_xaw=no)]) if test $emacs_cv_xaw = yes; then AC_MSG_RESULT([yes; using Lucid toolkit]) USE_X_TOOLKIT=LUCID elif test x"${USE_X_TOOLKIT}" = xLUCID; then AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files]) else AC_MSG_RESULT([no; do not use toolkit by default]) USE_X_TOOLKIT=none fi fi fi X_TOOLKIT_TYPE=$USE_X_TOOLKIT if test "${USE_X_TOOLKIT}" != "none"; then AC_MSG_CHECKING(X11 toolkit version) AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6, [AC_TRY_LINK([#include ], [#if XtSpecificationRelease < 6 fail; #endif ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)]) HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6 if test $emacs_cv_x11_toolkit_version_6 = yes; then AC_MSG_RESULT(6 or newer) AC_DEFINE(HAVE_X11XTR6, 1, [Define to 1 if you have the X11R6 or newer version of Xt.]) else AC_MSG_RESULT(before 6) fi dnl If using toolkit, check whether libXmu.a exists. dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link. OLDLIBS="$LIBS" if test x$HAVE_X11XTR6 = xyes; then LIBS="-lXt -lSM -lICE $LIBS" else LIBS="-lXt $LIBS" fi AC_CHECK_LIB(Xmu, XmuConvertStandardSelection) test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS" fi # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D. if test "${HAVE_X11}" = "yes"; then if test "${USE_X_TOOLKIT}" != "none"; then AC_CHECK_LIB(Xext, XShapeQueryExtension) fi fi if test "${USE_X_TOOLKIT}" = "MOTIF"; then AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1, [AC_TRY_COMPILE([#include ], [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1) int x = 5; #else Motif version prior to 2.1. #endif], emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)]) HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1 if test $emacs_cv_motif_version_2_1 = yes; then HAVE_LIBXP=no AC_DEFINE(HAVE_MOTIF_2_1, 1, [Define to 1 if you have Motif 2.1 or newer.]) AC_CHECK_LIB(Xp, XpCreateContext, HAVE_LIBXP=yes) if test ${HAVE_LIBXP} = yes; then AC_DEFINE(HAVE_LIBXP, 1, [Define to 1 if you have the Xp library (-lXp).]) fi else AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif, # We put this in CFLAGS temporarily to precede other -I options # that might be in CFLAGS temporarily. # We put this in CPPFLAGS where it precedes the other -I options. OLD_CPPFLAGS=$CPPFLAGS OLD_CFLAGS=$CFLAGS CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS" CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS" [AC_TRY_COMPILE([#include ], [int x = 5;], emacs_cv_lesstif=yes, emacs_cv_lesstif=no)]) if test $emacs_cv_lesstif = yes; then # Make sure this -I option remains in CPPFLAGS after it is set # back to REAL_CPPFLAGS. # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not # have those other -I options anyway. Ultimately, having this # directory ultimately in CPPFLAGS will be enough. REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS" LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS" else CFLAGS=$OLD_CFLAGS CPPFLAGS=$OLD_CPPFLAGS fi fi fi dnl Use toolkit scroll bars if configured for GTK or X toolkit and either dnl using Motif or Xaw3d is available, and unless dnl --with-toolkit-scroll-bars=no was specified. AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS, [Define to 1 if we should use toolkit scroll bars.])dnl USE_TOOLKIT_SCROLL_BARS=no if test "${with_toolkit_scroll_bars}" != "no"; then if test "${USE_X_TOOLKIT}" != "none"; then if test "${USE_X_TOOLKIT}" = "MOTIF"; then AC_DEFINE(USE_TOOLKIT_SCROLL_BARS) HAVE_XAW3D=no USE_TOOLKIT_SCROLL_BARS=yes elif test "${HAVE_XAW3D}" = "yes"; then AC_DEFINE(USE_TOOLKIT_SCROLL_BARS) USE_TOOLKIT_SCROLL_BARS=yes fi elif test "${HAVE_GTK}" = "yes"; then AC_DEFINE(USE_TOOLKIT_SCROLL_BARS) USE_TOOLKIT_SCROLL_BARS=yes elif test "${HAVE_CARBON}" = "yes"; then AC_DEFINE(USE_TOOLKIT_SCROLL_BARS) USE_TOOLKIT_SCROLL_BARS=yes elif test "${HAVE_NS}" = "yes"; then AC_DEFINE(USE_TOOLKIT_SCROLL_BARS) USE_TOOLKIT_SCROLL_BARS=yes fi fi dnl See if XIM is available. AC_TRY_COMPILE([ #include #include ], [XIMProc callback;], [HAVE_XIM=yes AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])], HAVE_XIM=no) dnl `--with-xim' now controls only the initial value of use_xim at run time. if test "${with_xim}" != "no"; then AC_DEFINE(USE_XIM, 1, [Define to 1 if we should use XIM, if it is available.]) fi if test "${HAVE_XIM}" != "no"; then late_CFLAGS=$CFLAGS if test "$GCC" = yes; then CFLAGS="$CFLAGS --pedantic-errors" fi AC_TRY_COMPILE([ #include #include ], [Display *display; XrmDatabase db; char *res_name; char *res_class; XIMProc callback; XPointer *client_data; #ifndef __GNUC__ /* If we're not using GCC, it's probably not XFree86, and this is probably right, but we can't use something like --pedantic-errors. */ extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*, char*, XIMProc, XPointer*); #endif (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback, client_data);], [emacs_cv_arg6_star=yes]) AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6, [Define to the type of the 6th arg of XRegisterIMInstantiateCallback, either XPointer or XPointer*.])dnl if test "$emacs_cv_arg6_star" = yes; then AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*]) else AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer]) fi CFLAGS=$late_CFLAGS fi ### Start of font-backend section. ## Use -lXft if available, unless `--with-freetype=no' nor `--with-xft=no'. HAVE_XFT=maybe if test "x${with_freetype}" = "xno"; then with_xft="no"; fi if test "x${with_xft}" != "xno"; then PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no) if test "$HAVE_XFT" != no; then OLD_CPPFLAGS="$CPPFLAGS" OLD_CFLAGS="$CFLAGS" OLD_LIBS="$LIBS" CPPFLAGS="$CPPFLAGS $XFT_CFLAGS" CFLAGS="$CFLAGS $XFT_CFLAGS" LIBS="$XFT_LIBS $LIBS" AC_CHECK_HEADER(X11/Xft/Xft.h, AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS)) if test "${HAVE_XFT}" = "yes"; then AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.]) AC_SUBST(XFT_LIBS) C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS" else CPPFLAGS="$OLD_CPPFLAGS" CFLAGS="$OLD_CFLAGS" LIBS="$OLD_LIBS" fi # "${HAVE_XFT}" = "yes" fi # "$HAVE_XFT" != no fi # "x${with_xft}" != "xno" dnl For the "Does Emacs use" message at the end. if test "$HAVE_XFT" != "yes"; then HAVE_XFT=no fi HAVE_FREETYPE=no ### Use -lfreetype if available, unless `--with-freetype=no'. if test "${HAVE_XFT}" = "yes"; then dnl As we use Xft, we anyway use freetype. dnl In this case, there's no need of additional CFLAGS and LIBS. HAVE_FREETYPE=yes elif test "x${with_freetype}" != "xno"; then PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes, HAVE_FREETYPE=no) if test "${HAVE_FREETYPE}" = "yes"; then PKG_CHECK_MODULES(FONTCONFIG, fontconfig, HAVE_FC=yes, HAVE_FC=no) if test "${HAVE_FC}" = "no"; then dnl Without fontconfig, we can't use freetype at the moment. HAVE_FREETYPE=no fi fi fi HAVE_LIBOTF=no if test "${HAVE_FREETYPE}" = "yes"; then AC_DEFINE(HAVE_FREETYPE, 1, [Define to 1 if using the freetype and fontconfig libraries.]) if test "${with_libotf}" != "no"; then PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes, HAVE_LIBOTF=no) if test "$HAVE_LIBOTF" = "yes"; then AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.]) fi fi dnl FIXME should there be an error if HAVE_FREETYPE != yes? dnl Does the new font backend require it, or can it work without it? fi HAVE_M17N_FLT=no if test "${with_m17n_flt}" != "no"; then PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no) if test "$HAVE_M17N_FLT" = "yes"; then AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.]) fi fi AC_SUBST(FREETYPE_CFLAGS) AC_SUBST(FREETYPE_LIBS) AC_SUBST(FONTCONFIG_CFLAGS) AC_SUBST(FONTCONFIG_LIBS) AC_SUBST(LIBOTF_CFLAGS) AC_SUBST(LIBOTF_LIBS) AC_SUBST(M17N_FLT_CFLAGS) AC_SUBST(M17N_FLT_LIBS) ### End of font-backend section. ### Use -lXpm if available, unless `--with-xpm=no'. HAVE_XPM=no if test "${HAVE_X11}" = "yes"; then if test "${with_xpm}" != "no"; then AC_CHECK_HEADER(X11/xpm.h, [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)]) if test "${HAVE_XPM}" = "yes"; then AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define) AC_EGREP_CPP(no_return_alloc_pixels, [#include "X11/xpm.h" #ifndef XpmReturnAllocPixels no_return_alloc_pixels #endif ], HAVE_XPM=no, HAVE_XPM=yes) if test "${HAVE_XPM}" = "yes"; then AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) fi fi fi if test "${HAVE_XPM}" = "yes"; then AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm libary (-lXpm).]) fi fi ### Use -ljpeg if available, unless `--with-jpeg=no'. HAVE_JPEG=no if test "${HAVE_X11}" = "yes"; then if test "${with_jpeg}" != "no"; then dnl Checking for jpeglib.h can lose because of a redefinition of dnl HAVE_STDLIB_H. AC_CHECK_HEADER(jerror.h, [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)]) fi AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl if test "${HAVE_JPEG}" = "yes"; then AC_DEFINE(HAVE_JPEG) AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])], [#include version=JPEG_LIB_VERSION ], [AC_DEFINE(HAVE_JPEG)], [AC_MSG_WARN([libjpeg found, but not version 6b or later]) HAVE_JPEG=no]) fi fi ### Use -lpng if available, unless `--with-png=no'. HAVE_PNG=no if test "${HAVE_X11}" = "yes"; then if test "${with_png}" != "no"; then # Debian unstable as of July 2003 has multiple libpngs, and puts png.h # in /usr/include/libpng. AC_CHECK_HEADERS(png.h libpng/png.h) if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm) fi fi if test "${HAVE_PNG}" = "yes"; then AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).]) fi fi ### Use -ltiff if available, unless `--with-tiff=no'. HAVE_TIFF=no if test "${HAVE_X11}" = "yes"; then if test "${with_tiff}" != "no"; then AC_CHECK_HEADER(tiffio.h, [tifflibs="-lz -lm" # At least one tiff package requires the jpeg library. if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)]) fi if test "${HAVE_TIFF}" = "yes"; then AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).]) fi fi ### Use -lgif or -lungif if available, unless `--with-gif=no'. HAVE_GIF=no if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then AC_CHECK_HEADER(gif_lib.h, # EGifPutExtensionLast only exists from version libungif-4.1.0b1. # Earlier versions can crash Emacs. [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, try_libungif=yes)]) if test "$HAVE_GIF" = yes; then ac_gif_lib_name="-lgif" fi # If gif_lib.h but no libgif, try libungif. if test x"$try_libungif" = xyes; then AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes) if test "$HAVE_GIF" = yes; then AC_DEFINE(LIBGIF, -lungif, [Compiler option to link with the gif library (if not -lgif).]) ac_gif_lib_name="-lungif" fi fi if test "${HAVE_GIF}" = "yes"; then AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif library (default -lgif; otherwise specify with LIBGIF).]) fi fi dnl Check for required libraries. if test "${HAVE_X11}" = "yes"; then MISSING="" WITH_NO="" test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" && MISSING="libXpm" && WITH_NO="--with-xpm=no" test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" && MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no" test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" && MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no" test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" && MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no" test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" && MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no" if test "X${MISSING}" != X; then AC_MSG_ERROR([The following required libraries were not found: $MISSING Maybe some development libraries/packages are missing? If you don't want to link with them give $WITH_NO as options to configure]) fi fi ### Use -lgpm if available, unless `--with-gpm=no'. HAVE_GPM=no if test "${with_gpm}" != "no"; then AC_CHECK_HEADER(gpm.h, [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)]) fi if test "${HAVE_GPM}" = "yes"; then AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).]) fi dnl Check for malloc/malloc.h on darwin AC_CHECK_HEADER(malloc/malloc.h, [AC_DEFINE(HAVE_MALLOC_MALLOC_H, 1, [Define to 1 if you have the header file.])]) ### Use Mac OS X Carbon API to implement GUI. if test "${HAVE_CARBON}" = "yes"; then AC_DEFINE(HAVE_CARBON, 1, [Define to 1 if you are using the Carbon API on Mac OS X.]) AC_CHECK_HEADERS(AvailabilityMacros.h) ## Specify the install directory carbon_appdir= if test "${carbon_appdir_x}" != ""; then case ${carbon_appdir_x} in y | ye | yes) carbon_appdir=/Applications ;; * ) carbon_appdir=${carbon_appdir_x} ;; esac fi # We also have mouse menus. HAVE_MENUS=yes fi ### Use NeXTstep API to implement GUI. if test "${HAVE_NS}" = "yes"; then AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.]) if test "${NS_IMPL_COCOA}" = "yes"; then AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.]) fi if test "${EN_COCOA_EXPERIMENTAL_CTRL_G}" = "yes"; then AC_DEFINE(COCOA_EXPERIMENTAL_CTRL_G, 1, [Define to 1 if you are trying experimental enhanced Ctrl-g support using NS windowing under MacOS X.]) fi if test "${NS_IMPL_GNUSTEP}" = "yes"; then AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.]) fi # We also have mouse menus. HAVE_MENUS=yes fi ### Use session management (-lSM -lICE) if available HAVE_X_SM=no if test "${HAVE_X11}" = "yes"; then AC_CHECK_HEADER(X11/SM/SMlib.h, [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)]) if test "${HAVE_X_SM}" = "yes"; then AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).]) case "$LIBS" in *-lSM*) ;; *) LIBS="-lSM -lICE $LIBS" ;; esac fi fi # If netdb.h doesn't declare h_errno, we must declare it by hand. AC_CACHE_CHECK(whether netdb declares h_errno, emacs_cv_netdb_declares_h_errno, [AC_TRY_LINK([#include ], [return h_errno;], emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)]) if test $emacs_cv_netdb_declares_h_errno = yes; then AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.]) fi AC_FUNC_ALLOCA dnl src/alloca.c has been removed. Could also check if $ALLOCA is set? dnl FIXME is there an autoconf test that does the right thing, without dnl needing to call A_M_E afterwards? if test x"$ac_cv_func_alloca_works" != xyes; then AC_MSG_ERROR( [a system implementation of alloca is required] ) fi # fmod, logb, and frexp are found in -lm on most systems. # On HPUX 9.01, -lm does not contain logb, so check for sqrt. AC_CHECK_LIB(m, sqrt) # Check for mail-locking functions in a "mail" library. Probably this should # have the same check as for liblockfile below. AC_CHECK_LIB(mail, maillock) dnl Debian, at least: AC_CHECK_LIB(lockfile, maillock) # If we have the shared liblockfile, assume we must use it for mail # locking (e.g. Debian). If we couldn't link against liblockfile # (no liblockfile.a installed), ensure that we don't need to. if test "$ac_cv_lib_lockfile_maillock" = no; then dnl This works for files generally, not just executables. dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf? AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no, /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH) if test $ac_cv_prog_liblockfile = yes; then AC_MSG_ERROR([Shared liblockfile found but can't link against it. This probably means that movemail could lose mail. There may be a `development' package to install containing liblockfile.]) else : fi fi AC_CHECK_FUNCS(touchlock) AC_CHECK_HEADERS(maillock.h) AC_CHECK_FUNCS(gethostname getdomainname dup2 \ rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \ random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime setsid \ strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \ utimes setrlimit setpgid getcwd getwd shutdown getaddrinfo \ __fpending mblen mbrlen mbsinit strsignal setitimer ualarm index rindex \ sendto recvfrom getsockopt setsockopt getsockname getpeername \ gai_strerror mkstemp getline getdelim mremap memmove fsync sync bzero \ memset memcmp difftime memcpy mempcpy mblen mbrlen posix_memalign \ cfmakeraw cfsetspeed) AC_CHECK_HEADERS(sys/un.h) AC_FUNC_MKTIME if test "$ac_cv_func_working_mktime" = no; then AC_DEFINE(BROKEN_MKTIME, 1, [Define to 1 if the mktime function is broken.]) fi AC_FUNC_GETLOADAVG AC_FUNC_FSEEKO # Configure getopt. m4_include([m4/getopt.m4]) gl_GETOPT_IFELSE([ gl_GETOPT_SUBSTITUTE_HEADER gl_PREREQ_GETOPT GETOPTOBJS='getopt.o getopt1.o' ]) AC_SUBST(GETOPTOBJS) AC_FUNC_GETPGRP AC_FUNC_STRFTIME # UNIX98 PTYs. AC_CHECK_FUNCS(grantpt) # PTY-related GNU extensions. AC_CHECK_FUNCS(getpt) # Check this now, so that we will NOT find the above functions in ncurses. # That is because we have not set up to link ncurses in lib-src. # It's better to believe a function is not available # than to expect to find it in ncurses. AC_CHECK_LIB(ncurses, tparm) # Do we have res_init, for detecting changes in /etc/resolv.conf? resolv=no AC_TRY_LINK([#include #include #include ], [return res_init();], have_res_init=yes, have_res_init=no) if test "$have_res_init" = no; then OLIBS="$LIBS" LIBS="$LIBS -lresolv" AC_MSG_CHECKING(for res_init with -lresolv) AC_TRY_LINK([#include #include #include ], [return res_init();], have_res_init=yes, have_res_init=no) AC_MSG_RESULT($have_res_init) if test "$have_res_init" = yes ; then resolv=yes fi LIBS="$OLIBS" fi if test "$have_res_init" = yes; then AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.]) fi # Do we need the Hesiod library to provide the support routines? if test "$with_hesiod" != no ; then # Don't set $LIBS here -- see comments above. AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, , [AC_CHECK_LIB(resolv, res_send, resolv=yes, [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])]) if test "$resolv" = yes ; then RESOLVLIB=-lresolv else RESOLVLIB= fi AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost, [AC_DEFINE(HAVE_LIBHESIOD, 1, [Define to 1 if you have the hesiod library (-lhesiod).])], :, $RESOLVLIB)]) fi # Do we need libresolv (due to res_init or Hesiod)? if test "$resolv" = yes ; then AC_DEFINE(HAVE_LIBRESOLV, 1, [Define to 1 if you have the resolv library (-lresolv).]) fi # These tell us which Kerberos-related libraries to use. if test "${with_kerberos}" != no; then AC_CHECK_LIB(com_err, com_err) AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt) AC_CHECK_LIB(crypto, mit_des_cbc_encrypt) AC_CHECK_LIB(krb5, krb5_init_context) if test "${with_kerberos5}" = no; then AC_CHECK_LIB(des425, des_cbc_encrypt,, [AC_CHECK_LIB(des, des_cbc_encrypt)]) AC_CHECK_LIB(krb4, krb_get_cred,, [AC_CHECK_LIB(krb, krb_get_cred)]) fi if test "${with_kerberos5}" != no; then AC_CHECK_HEADERS(krb5.h) else AC_CHECK_HEADERS(des.h,, [AC_CHECK_HEADERS(kerberosIV/des.h,, [AC_CHECK_HEADERS(kerberos/des.h)])]) AC_CHECK_HEADERS(krb.h,, [AC_CHECK_HEADERS(kerberosIV/krb.h,, [AC_CHECK_HEADERS(kerberos/krb.h)])]) fi AC_CHECK_HEADERS(com_err.h) fi # Solaris requires -lintl if you want strerror (which calls dgettext) # to return localized messages. AC_CHECK_LIB(intl, dgettext) AC_MSG_CHECKING(whether localtime caches TZ) AC_CACHE_VAL(emacs_cv_localtime_cache, [if test x$ac_cv_func_tzset = xyes; then AC_TRY_RUN([#include extern char **environ; unset_TZ () { char **from, **to; for (to = from = environ; (*to = *from); from++) if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '=')) to++; } char TZ_GMT0[] = "TZ=GMT0"; char TZ_PST8[] = "TZ=PST8"; main() { time_t now = time ((time_t *) 0); int hour_GMT0, hour_unset; if (putenv (TZ_GMT0) != 0) exit (1); hour_GMT0 = localtime (&now)->tm_hour; unset_TZ (); hour_unset = localtime (&now)->tm_hour; if (putenv (TZ_PST8) != 0) exit (1); if (localtime (&now)->tm_hour == hour_GMT0) exit (1); unset_TZ (); if (localtime (&now)->tm_hour != hour_unset) exit (1); exit (0); }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes, [# If we have tzset, assume the worst when cross-compiling. emacs_cv_localtime_cache=yes]) else # If we lack tzset, report that localtime does not cache TZ, # since we can't invalidate the cache if we don't have tzset. emacs_cv_localtime_cache=no fi])dnl AC_MSG_RESULT($emacs_cv_localtime_cache) if test $emacs_cv_localtime_cache = yes; then AC_DEFINE(LOCALTIME_CACHE, 1, [Define to 1 if localtime caches TZ.]) fi if test "x$HAVE_TIMEVAL" = xyes; then AC_CHECK_FUNCS(gettimeofday) if test $ac_cv_func_gettimeofday = yes; then AC_CACHE_CHECK(whether gettimeofday can accept two arguments, emacs_cv_gettimeofday_two_arguments, [AC_TRY_COMPILE([ #ifdef TIME_WITH_SYS_TIME #include #include #else #ifdef HAVE_SYS_TIME_H #include #else #include #endif #endif], [struct timeval time; gettimeofday (&time, 0);], emacs_cv_gettimeofday_two_arguments=yes, emacs_cv_gettimeofday_two_arguments=no)]) if test $emacs_cv_gettimeofday_two_arguments = no; then AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1, [Define to 1 if gettimeofday accepts only one argument.]) fi fi fi ok_so_far=yes AC_CHECK_FUNC(socket, , ok_so_far=no) if test $ok_so_far = yes; then AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no) fi if test $ok_so_far = yes; then AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no) fi if test $ok_so_far = yes; then dnl Fixme: Not used. Should this be HAVE_SOCKETS? AC_DEFINE(HAVE_INET_SOCKETS, 1, [Define to 1 if you have inet sockets.]) fi AC_CHECK_HEADERS(sys/ioctl.h) if test -f /usr/lpp/X11/bin/smt.exp; then AC_DEFINE(HAVE_AIX_SMT_EXP, 1, [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.]) fi AC_MSG_CHECKING(whether system supports dynamic ptys) if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then AC_MSG_RESULT(yes) AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.]) else AC_MSG_RESULT(no) fi AC_FUNC_FORK dnl Adapted from Haible's version. AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset, [AC_TRY_LINK([#include ], [char* cs = nl_langinfo(CODESET);], emacs_cv_langinfo_codeset=yes, emacs_cv_langinfo_codeset=no) ]) if test $emacs_cv_langinfo_codeset = yes; then AC_DEFINE(HAVE_LANGINFO_CODESET, 1, [Define if you have and nl_langinfo(CODESET).]) fi AC_CHECK_TYPES(size_t) AC_TYPE_MBSTATE_T dnl Restrict could probably be used effectively other than in regex.c. AC_CACHE_CHECK([for C restrict keyword], emacs_cv_c_restrict, [AC_TRY_COMPILE([void fred (int *restrict x);], [], emacs_cv_c_restrict=yes, [AC_TRY_COMPILE([void fred (int *__restrict x);], [], emacs_cv_c_restrict=__restrict, emacs_cv_c_restrict=no)])]) case "$emacs_cv_c_restrict" in yes) emacs_restrict=restrict;; no) emacs_restrict="";; *) emacs_restrict="$emacs_cv_c_restrict";; esac if test "$emacs_restrict" != __restrict; then AC_DEFINE_UNQUOTED(__restrict, $emacs_restrict, [Define to compiler's equivalent of C99 restrict keyword. Don't define if equivalent is `__restrict'.]) fi AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr, [AC_TRY_COMPILE([void fred (int x[__restrict]);], [], emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)]) if test "$emacs_cv_c_restrict_arr" = yes; then AC_DEFINE(__restrict_arr, __restrict, [Define to compiler's equivalent of C99 restrict keyword in array declarations. Define as empty for no equivalent.]) fi dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear dnl how the tty code is related to POSIX and/or other versions of termios. dnl The following looks like a useful start. dnl dnl AC_SYS_POSIX_TERMIOS dnl if test $ac_cv_sys_posix_termios = yes; then dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions dnl and macros for terminal control.]) dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.]) dnl fi dnl Fixme: Use AC_FUNC_MEMCMP since memcmp is used. (Needs libobj replacement.) # Set up the CFLAGS for real compilation, so we can substitute it. CFLAGS="$REAL_CFLAGS" CPPFLAGS="$REAL_CPPFLAGS" #### Find out which version of Emacs this is. [version=`grep 'defconst[ ]*emacs-version' ${srcdir}/lisp/version.el \ | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`] if test x"${version}" = x; then AC_MSG_ERROR([can't find current emacs version in `${srcdir}/lisp/version.el'.]) fi ### Specify what sort of things we'll be editing into Makefile and config.h. ### Use configuration here uncanonicalized to avoid exceeding size limits. AC_SUBST(version) AC_SUBST(configuration) AC_SUBST(canonical) AC_SUBST(srcdir) AC_SUBST(prefix) AC_SUBST(exec_prefix) AC_SUBST(bindir) AC_SUBST(datadir) AC_SUBST(sharedstatedir) AC_SUBST(libexecdir) AC_SUBST(mandir) AC_SUBST(infodir) AC_SUBST(lispdir) AC_SUBST(locallisppath) AC_SUBST(lisppath) AC_SUBST(x_default_search_path) AC_SUBST(etcdir) AC_SUBST(archlibdir) AC_SUBST(docdir) AC_SUBST(bitmapdir) AC_SUBST(gamedir) AC_SUBST(gameuser) AC_SUBST(c_switch_system) AC_SUBST(c_switch_machine) AC_SUBST(LD_SWITCH_X_SITE) AC_SUBST(LD_SWITCH_X_SITE_AUX) AC_SUBST(C_SWITCH_X_SITE) AC_SUBST(CFLAGS) AC_SUBST(X_TOOLKIT_TYPE) AC_SUBST(machfile) AC_SUBST(opsysfile) AC_SUBST(GETLOADAVG_LIBS) AC_SUBST(carbon_appdir) AC_SUBST(ns_appdir) AC_SUBST(ns_appbindir) AC_SUBST(ns_appresdir) AC_SUBST(ns_appsrc) AC_SUBST(GNUSTEP_MAKEFILES) AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}", [Define to the canonical Emacs configuration name.]) AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}", [Define to the options passed to configure.]) AC_DEFINE_UNQUOTED(config_machfile, "${machfile}", [Define to the used machine dependent file.]) AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}", [Define to the used os dependent file.]) AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE}, [Define LD_SWITCH_X_SITE to contain any special flags your loader may need to deal with X Windows. For instance, if you've defined HAVE_X_WINDOWS above and your X libraries aren't in a place that your loader can find on its own, you might want to add "-L/..." or something similar.]) AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX}, [Define LD_SWITCH_X_SITE_AUX with an -R option in case it's needed (for Solaris, for example).]) AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE, ${C_SWITCH_X_SITE}, [Define C_SWITCH_X_SITE to contain any special flags your compiler may need to deal with X Windows. For instance, if you've defined HAVE_X_WINDOWS above and your X include files aren't in a place that your compiler can find on its own, you might want to add "-I/..." or something similar.]) AC_DEFINE_UNQUOTED(UNEXEC_SRC, ${UNEXEC_SRC}, [Define to the unexec source file name.]) if test "${HAVE_X_WINDOWS}" = "yes" ; then AC_DEFINE(HAVE_X_WINDOWS, 1, [Define to 1 if you want to use the X window system.]) fi if test "${USE_X_TOOLKIT}" != "none" ; then AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.]) if test "${USE_X_TOOLKIT}" = "LUCID"; then AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.]) elif test "${USE_X_TOOLKIT}" = "MOTIF"; then AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.]) fi fi if test "${HAVE_X11}" = "yes" ; then AC_DEFINE(HAVE_X11, 1, [Define to 1 if you want to use version 11 of X windows. Otherwise, Emacs expects to use version 10.]) fi if test "${HAVE_MENUS}" = "yes" ; then AC_DEFINE(HAVE_MENUS, 1, [Define to 1 if you have mouse menus. (This is automatic if you use X, but the option to specify it remains.) It is also defined with other window systems that support xmenu.c.]) fi if test "${GNU_MALLOC}" = "yes" ; then AC_DEFINE(GNU_MALLOC, 1, [Define to 1 if you want to use the GNU memory allocator.]) fi if test "${REL_ALLOC}" = "yes" ; then AC_DEFINE(REL_ALLOC, 1, [Define REL_ALLOC if you want to use the relocating allocator for buffer space.]) fi AH_TOP([/* GNU Emacs site configuration template file. Copyright (C) 1988, 1993, 1994, 1999, 2000, 2001, 2002, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. This file is part of GNU Emacs. GNU Emacs is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. GNU Emacs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Emacs. If not, see . */ /* No code in Emacs #includes config.h twice, but some bits of code intended to work with other packages as well (like gmalloc.c) think they can include it as many times as they like. */ #ifndef EMACS_CONFIG_H #define EMACS_CONFIG_H ])dnl AH_BOTTOM([ /* If we're using X11/Carbon/GNUstep, define some consequences. */ #if defined HAVE_X_WINDOWS || defined(HAVE_CARBON) || defined(HAVE_NS) #define HAVE_WINDOW_SYSTEM #define MULTI_KBOARD #define HAVE_MOUSE #endif /* Multi-tty support relies on MULTI_KBOARD. It seems safe to turn it on unconditionally. */ #ifndef MULTI_KBOARD #define MULTI_KBOARD #endif /* Sadly for now, GNUstep dump does not work. */ #ifdef NS_IMPL_GNUSTEP #define CANNOT_DUMP #endif /* TODO: These are used for the Carbon port only. */ #undef MAC_OS #undef MAC_OSX /* Define AMPERSAND_FULL_NAME if you use the convention that & in the full name stands for the login id. */ /* Turned on June 1996 supposing nobody will mind it. */ #define AMPERSAND_FULL_NAME /* We have blockinput.h. */ #define DO_BLOCK_INPUT /* Define HAVE_SOUND if we have sound support. We know it works and compiles only on the specified platforms. For others, it probably doesn't make sense to try. */ #if defined __FreeBSD__ || defined __NetBSD__ || defined __linux__ #ifdef HAVE_MACHINE_SOUNDCARD_H #define HAVE_SOUND 1 #endif #ifdef HAVE_SYS_SOUNDCARD_H #define HAVE_SOUND 1 #endif #ifdef HAVE_SOUNDCARD_H #define HAVE_SOUND 1 #endif #ifdef HAVE_ALSA #define HAVE_SOUND 1 #endif #endif /* __FreeBSD__ || __NetBSD__ || __linux__ */ /* If using GNU, then support inline function declarations. */ /* Don't try to switch on inline handling as detected by AC_C_INLINE generally, because even if non-gcc compilers accept `inline', they may reject `extern inline'. */ #if defined (__GNUC__) && defined (OPTIMIZE) #define INLINE __inline__ #else #define INLINE #endif /* Include the os and machine dependent files. */ #include config_opsysfile #include config_machfile /* Set up some defines, C and LD flags for NeXTstep interface on GNUstep. (There is probably a better place to do this, but right now the Cocoa side does this in s/darwin.h, following the Carbon port, and we cannot parallel this exactly since GNUstep is multi-OS. */ #ifdef HAVE_NS # ifdef C_SWITCH_SYSTEM # undef C_SWITCH_SYSTEM # endif # ifdef NS_IMPL_GNUSTEP /* See also .m.o rule in Makefile.in */ # define C_SWITCH_X_SYSTEM -MMD -MP -D_REENTRANT -fPIC -fno-strict-aliasing # define GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE # define OTHER_FILES ns-app # else /* NS_IMPL_COCOA */ # define C_SWITCH_X_SYSTEM # define GNU_OBJC_CFLAGS # endif /* NS_IMPL_COCOA */ #endif /* HAVE_NS */ /* Define `subprocesses' should be defined if you want to have code for asynchronous subprocesses (as used in M-x compile and M-x shell). Only MSDOS does not support this. */ #define subprocesses /* SIGTYPE is the macro we actually use. */ #ifndef SIGTYPE #define SIGTYPE RETSIGTYPE #endif #ifdef emacs /* Don't do this for lib-src. */ /* Tell regex.c to use a type compatible with Emacs. */ #define RE_TRANSLATE_TYPE Lisp_Object #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C) #ifdef make_number /* If make_number is a macro, use it. */ #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0))) #else /* If make_number is a function, avoid it. */ #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0)) #endif #endif /* Avoid link-time collision with system mktime if we will use our own. */ #if ! HAVE_MKTIME || BROKEN_MKTIME #define mktime emacs_mktime #endif #define my_strftime nstrftime /* for strftime.c */ /* The rest of the code currently tests the CPP symbol BSTRING. Override any claims made by the system-description files. Note that on some SCO version it is possible to have bcopy and not bcmp. */ #undef BSTRING #if defined (HAVE_BCOPY) && defined (HAVE_BCMP) #define BSTRING #endif /* Some of the files of Emacs which are intended for use with other programs assume that if you have a config.h file, you must declare the type of getenv. This declaration shouldn't appear when alloca.s or Makefile.in includes config.h. */ #ifndef NOT_C_CODE extern char *getenv (); #endif /* These default definitions are good for almost all machines. The exceptions override them in m/MACHINE.h. */ #ifndef BITS_PER_CHAR #define BITS_PER_CHAR 8 #endif #ifndef BITS_PER_SHORT #define BITS_PER_SHORT 16 #endif /* Note that lisp.h uses this in a preprocessor conditional, so it would not work to use sizeof. That being so, we do all of them without sizeof, for uniformity's sake. */ #ifndef BITS_PER_INT #define BITS_PER_INT 32 #endif #ifndef BITS_PER_LONG #ifdef _LP64 #define BITS_PER_LONG 64 #else #define BITS_PER_LONG 32 #endif #endif /* Define if the compiler supports function prototypes. It may do so but not define __STDC__ (e.g. DEC C by default) or may define it as zero. */ #undef PROTOTYPES /* For mktime.c: */ #ifndef __P # if defined PROTOTYPES # define __P(args) args # else # define __P(args) () # endif /* GCC. */ #endif /* __P */ /* Don't include "string.h" or in non-C code. */ #ifndef NOT_C_CODE #ifdef HAVE_STRING_H #include "string.h" #endif #ifdef HAVE_STRINGS_H #include "strings.h" /* May be needed for bcopy & al. */ #endif #ifdef HAVE_STDLIB_H #include #endif #ifndef __GNUC__ # ifdef HAVE_ALLOCA_H # include # else /* AIX files deal with #pragma. */ # ifndef alloca /* predefined by HP cc +Olibcalls */ char *alloca (); # endif # endif /* HAVE_ALLOCA_H */ #endif /* __GNUC__ */ #ifndef HAVE_SIZE_T typedef unsigned size_t; #endif #endif /* NOT_C_CODE */ /* Define HAVE_X_I18N if we have usable i18n support. */ #ifdef HAVE_X11R6 #define HAVE_X_I18N #elif !defined X11R5_INHIBIT_I18N #define HAVE_X_I18N #endif /* Define HAVE_X11R6_XIM if we have usable X11R6-style XIM support. */ #if defined HAVE_X11R6 && !defined INHIBIT_X11R6_XIM #define HAVE_X11R6_XIM #endif /* Should we enable expensive run-time checking of data types? */ #undef ENABLE_CHECKING #if defined __GNUC__ && (__GNUC__ > 2 \ || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5)) #define NO_RETURN __attribute__ ((__noreturn__)) #else #define NO_RETURN /* nothing */ #endif /* These won't be used automatically yet. We also need to know, at least, that the stack is continuous. */ #ifdef __GNUC__ # ifndef GC_SETJMP_WORKS /* GC_SETJMP_WORKS is nearly always appropriate for GCC -- see NON_SAVING_SETJMP in the target descriptions. */ /* Exceptions (see NON_SAVING_SETJMP in target description) are SCO5 non-ELF (but Emacs specifies ELF) and SVR3 on x86. Fixme: Deal with SVR3. */ # define GC_SETJMP_WORKS 1 # endif # ifndef GC_LISP_OBJECT_ALIGNMENT # define GC_LISP_OBJECT_ALIGNMENT (__alignof__ (Lisp_Object)) # endif #endif #ifndef HAVE_BCOPY #define bcopy(a,b,s) memcpy (b,a,s) #endif #ifndef HAVE_BZERO #define bzero(a,s) memset (a,0,s) #endif #ifndef HAVE_BCMP #define BCMP memcmp #endif #endif /* EMACS_CONFIG_H */ /* Local Variables: mode: c End: */ ])dnl #### Report on what we decided to do. #### Report GTK as a toolkit, even if it doesn't use Xt. #### It makes printing result more understandable as using GTK sets #### toolkit_scroll_bars to yes by default. if test "${HAVE_GTK}" = "yes"; then USE_X_TOOLKIT=GTK fi echo " Configured for \`${canonical}'. Where should the build process find the source code? ${srcdir} What operating system and machine description files should Emacs use? \`${opsysfile}' and \`${machfile}' What compiler should emacs be built with? ${CC} ${CFLAGS} Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason} Should Emacs use a relocating allocator for buffers? ${REL_ALLOC} Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers What window system should Emacs use? ${window_system} What toolkit should Emacs use? ${USE_X_TOOLKIT}" if test -n "${x_includes}"; then echo " Where do we find X Windows header files? ${x_includes}" else echo " Where do we find X Windows header files? Standard dirs" fi if test -n "${x_libraries}"; then echo " Where do we find X Windows libraries? ${x_libraries}" else echo " Where do we find X Windows libraries? Standard dirs" fi echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}" echo " Does Emacs use -lXpm? ${HAVE_XPM}" echo " Does Emacs use -ljpeg? ${HAVE_JPEG}" echo " Does Emacs use -ltiff? ${HAVE_TIFF}" echo " Does Emacs use a gif library? ${HAVE_GIF} $ac_gif_lib_name" echo " Does Emacs use -lpng? ${HAVE_PNG}" echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}" echo " Does Emacs use -lgpm? ${HAVE_GPM}" echo " Does Emacs use -ldbus? ${HAVE_DBUS}" echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}" echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}" echo " Does Emacs use -lotf? ${HAVE_LIBOTF}" echo " Does Emacs use -lxft? ${HAVE_XFT}" echo " Does Emacs use X toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}" echo if test $USE_XASSERTS = yes; then echo " Compiling with asserts turned on." CPPFLAGS="$CPPFLAGS -DXASSERTS=1" fi echo if test "$USE_X_TOOLKIT" = GTK; then case "$canonical" in *cygwin*) echo "There are known problems with Emacs and Gtk+ on cygwin, so you will probably get a crash on startup. If this happens, please use another toolkit for Emacs. See etc/PROBLEMS for more information." ;; esac fi if test "$HAVE_CARBON" = "yes"; then echo echo "Warning: The Mac Carbon port is currently unsupported and has known problems. It is not recommended for use by non-developers. The NeXTstep port (--with-ns) is an alternative. Read the emacs-devel archives for more information." echo fi if test "$HAVE_NS" = "yes"; then echo echo "You must run \"make install\" in order to test the built application. The installed application will go to nextstep/Emacs.app and can be run or moved from there." if test "$EN_NS_SELF_CONTAINED" = "yes"; then echo "The application will be fully self-contained." else echo "The lisp resources for the application will be installed under ${prefix}. You may need to run \"make install\" with sudo. The application will fail to run if these resources are not installed." fi echo fi if test "$HAVE_DBUS" = yes && test "${opsys}" != "gnu-linux"; then echo "D-Bus integration has been tested for GNU/Linux only." echo fi # Remove any trailing slashes in these variables. [test "${prefix}" != NONE && prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'` test "${exec_prefix}" != NONE && exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`] # Now get this: Some word that is part of the ${srcdir} directory name # or the ${configuration} value might, just might, happen to be an # identifier like `sun4' or `i386' or something, and be predefined by # the C preprocessor to some helpful value like 1, or maybe the empty # string. Needless to say consequent macro substitutions are less # than conducive to the makefile finding the correct directory. [cpp_undefs="`echo $srcdir $configuration $canonical | sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/ *$//' \ -e 's/ */ -U/g' -e 's/-U[0-9][^ ]*//g'`"] ## Check if the C preprocessor will convert `..' to `. .'. If so, set ## CPP_NEED_TRADITIONAL to `yes' so that the code to generate Makefile ## from Makefile.c can correctly provide the arg `-traditional' to the ## C preprocessor. AC_EGREP_CPP(yes..yes, [yes..yes], CPP_NEED_TRADITIONAL=no, CPP_NEED_TRADITIONAL=yes) AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \ doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \ doc/lispref/Makefile src/Makefile.c:src/Makefile.in \ lwlib/Makefile lisp/Makefile leim/Makefile, [ ### Make the necessary directories, if they don't exist. for dir in etc lisp ; do test -d ${dir} || mkdir ${dir} done # Build src/Makefile from ${srcdir}/src/Makefile.c # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c # This must be done after src/config.h is built, since we rely on that file. echo creating src/epaths.h ${MAKE-make} epaths-force # As of 2000-11-19, newest development versions of GNU cpp preprocess # `..' to `. .' unless invoked with -traditional if test "x$GCC" = xyes && test "x$CPP_NEED_TRADITIONAL" = xyes; then CPPFLAGS="$CPPFLAGS -traditional" fi echo creating lib-src/Makefile ( cd lib-src rm -f junk.c junk1.c junk2.c sed -e '/start of cpp stuff/q' \ < Makefile.c > junk1.c sed -e '1,/start of cpp stuff/d'\ -e 's,/\*\*/#\(.*\)$,/* \1 */,' \ < Makefile.c > junk.c $CPP $cpp_undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \ sed -e 's/^ / /' -e '/^#/d' -e '/^[ ]*$/d' > junk2.c cat junk1.c junk2.c > Makefile.new rm -f junk.c junk1.c junk2.c chmod 444 Makefile.new mv -f Makefile.new Makefile ) echo creating src/Makefile ( cd src rm -f junk.c junk1.c junk2.c sed -e '/start of cpp stuff/q' \ < Makefile.c > junk1.c sed -e '1,/start of cpp stuff/d'\ -e 's,/\*\*/#\(.*\)$,/* \1 */,' \ < Makefile.c > junk.c $CPP $cpp_undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \ sed -e 's/^ / /' -e '/^#/d' -e '/^[ ]*$/d' > junk2.c cat junk1.c junk2.c > Makefile.new rm -f junk.c junk1.c junk2.c chmod 444 Makefile.new mv -f Makefile.new Makefile ) if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then echo creating src/.gdbinit echo source $srcdir/src/.gdbinit > src/.gdbinit fi ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPP_NEED_TRADITIONAL="$CPP_NEED_TRADITIONAL" CPPFLAGS="$CPPFLAGS" cpp_undefs="$cpp_undefs"]) m4_if(dnl Do not change this comment arch-tag: 156a4dd5-bddc-4d18-96ac-f37742cf6a5e )dnl