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 If you changed any AC_DEFINES, also run autoheader. dnl dnl Copyright (C) 1994-1996, 1999-2012 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(2.65) AC_INIT(emacs, 24.1.50) AC_CONFIG_HEADER(src/config.h:src/config.in) AC_CONFIG_SRCDIR(src/lisp.h) AC_CONFIG_AUX_DIR(build-aux) AM_INIT_AUTOMAKE dnl Support for --program-prefix, --program-suffix and dnl --program-transform-name options AC_ARG_PROGRAM dnl It is important that variables on the RHS not be expanded here, dnl hence the single quotes. This is per the GNU coding standards, see dnl (autoconf) Installation Directory Variables dnl See also epaths.h below. lispdir='${datadir}/emacs/${version}/lisp' leimdir='${datadir}/emacs/${version}/leim' 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' 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 "${with_kerberos}" = no; then with_kerberos=yes AC_DEFINE(KERBEROS) fi AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.]) fi OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host]) dnl FIXME hesiod support may not be present, so it seems like an error dnl to define, or at least use, this unconditionally. if test "$with_hesiod" != no; then AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.]) fi OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes]) if test "$with_mmdf" != no; then AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.]) fi OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading]) if test "$with_mail_unlink" != no; then AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.]) fi AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME], [string giving default POP mail host])], AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.])) OPTION_DEFAULT_ON([sound],[don't compile with sound support]) OPTION_DEFAULT_ON([sync-input],[process async input synchronously]) if test "$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 or gtk, gtk3, lucid or athena, motif, no)])], [ case "${withval}" in y | ye | yes ) val=gtk ;; n | no ) val=no ;; l | lu | luc | luci | lucid ) val=lucid ;; a | at | ath | athe | athen | athena ) val=athena ;; m | mo | mot | moti | motif ) val=motif ;; g | gt | gtk ) val=gtk ;; gtk3 ) val=gtk3 ;; * ) AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid; this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk' or `gtk3'. `yes' and `gtk' are synonyms. `athena' and `lucid' are synonyms.]) ;; esac with_x_toolkit=$val ]) OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)]) if test "$with_wide_int" = yes; then AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.]) fi 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([xml2],[don't compile with XML parsing support]) OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image 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([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]) OPTION_DEFAULT_ON([gconf],[don't compile with GConf support]) OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support]) OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support]) OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS 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]) ## Makefile.in needs the cache file name. AC_SUBST(cache_file) ## This is an option because I do not know if all info/man support ## compressed files, nor how to test if they do so. OPTION_DEFAULT_ON([compress-info],[don't compress the installed Info pages]) if test $with_compress_info = yes; then GZIP_INFO=yes else GZIP_INFO= fi AC_SUBST(GZIP_INFO) AC_ARG_WITH([pkg-config-prog],dnl [AS_HELP_STRING([--with-pkg-config-prog=PATH], [path to pkg-config for finding GTK and librsvg])]) if test "X${with_pkg_config_prog}" != X; then if test "${with_pkg_config_prog}" != yes; then PKG_CONFIG="${with_pkg_config_prog}" fi fi CRT_DIR= AC_ARG_WITH([crt-dir],dnl [AS_HELP_STRING([--with-crt-dir=DIR],[directory containing crtn.o etc. The default is /usr/lib, or /usr/lib64 on some platforms.])]) CRT_DIR="${with_crt_dir}" AC_ARG_WITH(gameuser,dnl [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])]) test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \ && gameuser="${with_gameuser}" test "X$gameuser" = X && gameuser=games AC_ARG_WITH([gnustep-conf],dnl [AS_HELP_STRING([--with-gnustep-conf=PATH],[path to GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])]) test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \ GNUSTEP_CONFIG_FILE="${with_gnustep_conf}" test "X$GNUSTEP_CONFIG_FILE" = "X" && \ GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf AC_ARG_ENABLE(ns-self-contained, [AS_HELP_STRING([--disable-ns-self-contained], [disable self contained build under NeXTstep])], EN_NS_SELF_CONTAINED=$enableval, EN_NS_SELF_CONTAINED=yes) 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=${enableval} fi) AC_ARG_ENABLE(checking, [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@], [enable expensive run-time checks. With LIST, enable only specific categories of checks. Categories are: all,yes,no. Flags are: stringbytes, stringoverrun, stringfreelist, xmallocoverrun, conslist, glyphs])], [ac_checking_flags="${enableval}"],[]) IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS," for check in $ac_checking_flags do case $check in # these set all the flags to specific states yes) ac_enable_checking=1 ;; no) ac_enable_checking= ; ac_gc_check_stringbytes= ; ac_gc_check_string_overrun= ; ac_gc_check_string_free_list= ; ac_xmalloc_overrun= ; ac_gc_check_cons_list= ; ac_glyphs_debug= ;; all) ac_enable_checking=1 ; ac_gc_check_stringbytes=1 ; ac_gc_check_string_overrun=1 ; ac_gc_check_string_free_list=1 ; ac_xmalloc_overrun=1 ; ac_gc_check_cons_list=1 ; ac_glyphs_debug=1 ;; # these enable particular checks stringbytes) ac_gc_check_stringbytes=1 ;; stringoverrun) ac_gc_check_string_overrun=1 ;; stringfreelist) ac_gc_check_string_free_list=1 ;; xmallocoverrun) ac_xmalloc_overrun=1 ;; conslist) ac_gc_check_cons_list=1 ;; glyphs) ac_glyphs_debug=1 ;; *) AC_MSG_ERROR(unknown check category $check) ;; esac done IFS="$ac_save_IFS" if test x$ac_enable_checking != x ; then AC_DEFINE(ENABLE_CHECKING, 1, [Define to 1 if expensive run-time data type and consistency checks are enabled.]) fi if test x$ac_gc_check_stringbytes != x ; then AC_DEFINE(GC_CHECK_STRING_BYTES, 1, [Define this temporarily to hunt a bug. If defined, the size of strings is redundantly recorded in sdata structures so that it can be compared to the sizes recorded in Lisp strings.]) fi if test x$ac_gc_check_string_overrun != x ; then AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1, [Define this to check for short string overrun.]) fi if test x$ac_gc_check_string_free_list != x ; then AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1, [Define this to check the string free list.]) fi if test x$ac_xmalloc_overrun != x ; then AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1, [Define this to check for malloc buffer overrun.]) fi if test x$ac_gc_check_cons_list != x ; then AC_DEFINE(GC_CHECK_CONS_LIST, 1, [Define this to check for errors in cons list.]) fi if test x$ac_glyphs_debug != x ; then AC_DEFINE(GLYPH_DEBUG, 1, [Define this to enable glyphs debugging code.]) fi AC_ARG_ENABLE(check-lisp-object-type, [AS_HELP_STRING([--enable-check-lisp-object-type], [enable compile time checks for the Lisp_Object data type. This is useful for development for catching certain types of bugs.])], if test "${enableval}" != "no"; then AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1, [Define this to enable compile time checks for the Lisp_Object data type.]) fi) AC_ARG_ENABLE(profiling, [AS_HELP_STRING([--enable-profiling], [build emacs with profiling support. This might not work on all platforms])], [ac_enable_profiling="${enableval}"],[]) if test x$ac_enable_profiling != x ; then PROFILING_CFLAGS="-DPROFILING=1 -pg" else PROFILING_CFLAGS= fi AC_SUBST(PROFILING_CFLAGS) AC_ARG_ENABLE(autodepend, [AS_HELP_STRING([--enable-autodepend], [automatically generate dependencies to .h-files. Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is found])], [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes]) #### Make srcdir absolute, if it isn't already. It's important to #### avoid running the path through pwd unnecessarily, since pwd can #### give you automounter prefixes, which can go away. We do all this #### so Emacs can find its files when run uninstalled. ## Make sure CDPATH doesn't affect cd (in case PWD is relative). unset CDPATH case "${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 ${srcdir}; pwd)`" ;; esac #### Given the configuration name, set opsysfile to the #### name of s/*.h file we should use. ### Canonicalize the configuration name. AC_CANONICAL_HOST canonical=$host configuration=${host_alias-${build_alias-$host}} dnl This used to use changequote, but, apart from `changequote is evil' dnl per the autoconf manual, we can speed up autoconf somewhat by quoting dnl the great gob of text. Thus it's not processed for possible expansion. dnl Just make sure the brackets remain balanced. dnl dnl Since Emacs can't find matching pairs of quotes, boundaries are dnl indicated by comments. dnl quotation begins [ ### If you add support for a new configuration, add code to this ### switch statement to recognize your configuration name and select ### the appropriate operating system file. ### You would hope that you could choose an s/*.h ### file based on the operating system portion. However, it turns out ### that each s/*.h file is pretty manufacturer-specific. ### So we basically have to have a special case for each ### configuration name. ### ### As far as handling version numbers on operating systems is ### concerned, make sure things will fail in a fixable way. If ### /etc/MACHINES doesn't say anything about version numbers, be ### prepared to handle anything reasonably. If version numbers ### matter, be sure /etc/MACHINES says something about it. opsys='' unported=no case "${canonical}" in ## GNU/Linux and similar ports *-*-linux* ) opsys=gnu-linux ;; ## FreeBSD ports *-*-freebsd* ) opsys=freebsd ;; ## FreeBSD kernel + glibc based userland *-*-kfreebsd*gnu* ) opsys=gnu-kfreebsd ;; ## NetBSD ports *-*-netbsd* ) opsys=netbsd ;; ## OpenBSD ports *-*-openbsd* ) opsys=openbsd ;; ## Apple Darwin / Mac OS X *-apple-darwin* ) case "${canonical}" in i[3456]86-* ) ;; powerpc-* ) ;; x86_64-* ) ;; * ) unported=yes ;; esac opsys=darwin ## Use fink packages if available. ## FIXME find a better way to do this: http://debbugs.gnu.org/11507 ## if test -d /sw/include && test -d /sw/lib; then ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib" ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS} ## fi ;; ## HP 9000 series 700 and 800, running HP/UX hppa*-hp-hpux10.2* ) opsys=hpux10-20 ;; hppa*-hp-hpux1[1-9]* ) opsys=hpux11 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS" ;; ## IBM machines rs6000-ibm-aix4.[23]* ) opsys=aix4-2 ;; powerpc-ibm-aix4.[23]* ) opsys=aix4-2 ;; rs6000-ibm-aix[56]* ) opsys=aix4-2 ;; powerpc-ibm-aix[56]* ) opsys=aix4-2 ;; ## Silicon Graphics machines ## Iris 4D mips-sgi-irix6.5 ) opsys=irix6-5 # Without defining _LANGUAGE_C, things get masked out in the headers # so that, for instance, grepping for `free' in stdlib.h fails and # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m). NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C" ;; ## Suns *-sun-solaris* \ | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \ | x86_64-*-solaris2* | x86_64-*-sunos5*) case "${canonical}" in i[3456]86-*-* ) ;; amd64-*-*|x86_64-*-*) ;; sparc* ) ;; * ) unported=yes ;; esac case "${canonical}" in *-sunos5.6* | *-solaris2.6* ) opsys=sol2-6 RANLIB="ar -ts" ;; *-sunos5.[7-9]* | *-solaris2.[7-9]* ) opsys=sol2-6 emacs_check_sunpro_c=yes ;; *-sunos5* | *-solaris* ) opsys=sol2-10 emacs_check_sunpro_c=yes ;; esac ## Watch out for a compiler that we know will not work. case "${canonical}" in *-solaris* | *-sunos5* ) if [ "x$CC" = x/usr/ucb/cc ]; then ## /usr/ucb/cc doesn't work; ## we should find some other compiler that does work. unset CC fi ;; *) ;; esac ;; ## Intel 386 machines where we don't care about the manufacturer. i[3456]86-*-* ) case "${canonical}" in *-cygwin ) opsys=cygwin ;; *-darwin* ) opsys=darwin ;; *-sysv4.2uw* ) opsys=unixware ;; *-sysv5uw* ) opsys=unixware ;; *-sysv5OpenUNIX* ) opsys=unixware ;; ## Otherwise, we'll fall through to the generic opsys code at the bottom. esac ;; * ) 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 ;; * ) 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 opsysfile="s/${opsys}.h" #### Choose a compiler. dnl Sets GCC=yes if using gcc. AC_PROG_CC AM_PROG_CC_C_O if test x$GCC = xyes; then test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS" else test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS" fi # Initialize gnulib right after choosing the compiler. gl_EARLY AC_ARG_ENABLE([gcc-warnings], [AS_HELP_STRING([--enable-gcc-warnings], [turn on lots of GCC warnings (for developers)])], [case $enableval in yes|no) ;; *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;; esac gl_gcc_warnings=$enableval], [gl_gcc_warnings=no] ) AC_ARG_ENABLE(link-time-optimization, [AS_HELP_STRING([--enable-link-time-optimization], [build emacs with link-time optimization. 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AC_DEFUN([gl_GCC_VERSION_IFELSE], [AC_PREPROC_IFELSE( [AC_LANG_PROGRAM( [[ #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__) /* ok */ #else # error "your version of gcc is older than $1.$2" #endif ]]), ], [$3], [$4]) ] ) # When compiling with GCC, prefer -isystem to -I when including system # include files, to avoid generating useless diagnostics for the files. if test "$gl_gcc_warnings" != yes; then isystem='-I' else isystem='-isystem ' # This, $nw, is the list of warnings we disable. nw= case $with_x_toolkit in lucid | athena | motif) # Old toolkits mishandle 'const'. nw="$nw -Wwrite-strings" ;; *) gl_WARN_ADD([-Werror], [WERROR_CFLAGS]) ;; esac AC_SUBST([WERROR_CFLAGS]) nw="$nw -Waggregate-return" # anachronistic nw="$nw -Wlong-long" # C90 is anachronistic nw="$nw -Wc++-compat" # We don't care about C++ compilers nw="$nw -Wundef" # Warns on '#if GNULIB_FOO' etc in gnulib nw="$nw -Wtraditional" # Warns on #elif which we use often nw="$nw -Wcast-qual" # Too many warnings for now nw="$nw -Wconversion" # Too many warnings for now nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings nw="$nw -Wsign-conversion" # Too many warnings for now nw="$nw -Woverlength-strings" # Not a problem these days nw="$nw -Wtraditional-conversion" # Too many warnings for now nw="$nw -Wpadded" # Our structs are not padded nw="$nw -Wredundant-decls" # We regularly (re)declare getenv etc. nw="$nw -Wlogical-op" # any use of fwrite provokes this nw="$nw -Wformat-nonliteral" # Emacs does this a lot nw="$nw -Wvla" # warnings in gettext.h nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__ nw="$nw -Wswitch-enum" # Too many warnings for now nw="$nw -Wswitch-default" # Too many warnings for now nw="$nw -Wfloat-equal" # e.g., ftoastr.c nw="$nw -Winline" # e.g., dispnew.c's inlining of row_equal_p # Emacs doesn't care about shadowing; see # . nw="$nw -Wshadow" # The following lines should be removable at some point. nw="$nw -Wstack-protector" nw="$nw -Wstrict-overflow" nw="$nw -Wsuggest-attribute=const" nw="$nw -Wsuggest-attribute=pure" gl_MANYWARN_ALL_GCC([ws]) gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw]) for w in $ws; do gl_WARN_ADD([$w]) done gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now gl_WARN_ADD([-Wno-switch]) # Too many warnings for now gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now gl_WARN_ADD([-Wno-format-nonliteral]) # In spite of excluding -Wlogical-op above, it is enabled, as of # gcc 4.5.0 20090517. gl_WARN_ADD([-Wno-logical-op]) gl_WARN_ADD([-fdiagnostics-show-option]) gl_WARN_ADD([-funit-at-a-time]) AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.]) AC_DEFINE([_FORTIFY_SOURCE], [2], [enable compile-time and run-time bounds-checking, and some warnings]) AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks]) # We use a slightly smaller set of warning options for lib/. # Remove the following and save the result in GNULIB_WARN_CFLAGS. nw= nw="$nw -Wunused-macros" gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw]) AC_SUBST([GNULIB_WARN_CFLAGS]) fi dnl Some other nice autoconf tests. dnl These are commented out, since gl_EARLY and/or Autoconf already does them. dnl AC_PROG_INSTALL dnl AC_PROG_MKDIR_P dnl if test "x$RANLIB" = x; then dnl AC_PROG_RANLIB dnl fi AC_PATH_PROG(INSTALL_INFO, install-info, :, $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin) dnl Don't use GZIP, which is used by gzip for additional parameters. AC_PATH_PROG(GZIP_PROG, gzip) if test $opsys = gnu-linux; then AC_PATH_PROG(PAXCTL, paxctl,, [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin]) fi ## Need makeinfo >= 4.7 (?) 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\.[[7-9]]|4\.[[1-6]][[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 Bazaar checkout on the other hand, the manuals are not included. ## So makeinfo is a requirement to build from Bazaar, and configure ## should test for it as it does for any other build requirement. ## We use the presence of $srcdir/info/emacs to distinguish a release, ## with pre-built manuals, from a Bazaar checkout. HAVE_MAKEINFO=yes if test "$MAKEINFO" = "no"; then MAKEINFO=makeinfo if test "x${with_makeinfo}" = "xno"; then HAVE_MAKEINFO=no elif test ! -e $srcdir/info/emacs; then AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your source tree does not seem to have pre-built manuals in the `info' directory. Either install a suitable version of makeinfo, or re-run configure with the `--without-makeinfo' option to build without the manuals.] ) fi fi AC_SUBST(HAVE_MAKEINFO) dnl Just so that there is only a single place we need to edit. INFO_EXT=.info INFO_OPTS=--no-split AC_SUBST(INFO_EXT) AC_SUBST(INFO_OPTS) dnl Add our options to ac_link now, after it is set up. if test x$GCC = xyes; then test "x$GCC_LINK_TEST_OPTIONS" != x && \ ac_link="$ac_link $GCC_LINK_TEST_OPTIONS" else test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \ 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 x$GCC = xyes; then LDFLAGS="$LDFLAGS -Wl,-znocombreloc" else LDFLAGS="$LDFLAGS -znocombreloc" fi AC_MSG_CHECKING([for -znocombreloc]) AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [AC_MSG_RESULT(yes)], LDFLAGS=$late_LDFLAGS [AC_MSG_RESULT(no)]) dnl The function dump-emacs will not be defined and temacs will do dnl (load "loadup") automatically unless told otherwise. test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no case "$opsys" in your-opsys-here) CANNOT_DUMP=yes ;; esac test "$CANNOT_DUMP" = "yes" && \ AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.]) AC_SUBST(CANNOT_DUMP) UNEXEC_OBJ=unexelf.o case "$opsys" in # MSDOS uses unexcoff.o # MSWindows uses unexw32.o aix4-2) UNEXEC_OBJ=unexaix.o ;; cygwin) UNEXEC_OBJ=unexcw.o ;; darwin) UNEXEC_OBJ=unexmacosx.o ;; hpux10-20 | hpux11) UNEXEC_OBJ=unexhp9k800.o ;; sol2-10) # Use the Solaris dldump() function, called from unexsol.c, to dump # emacs, instead of the generic ELF dump code found in unexelf.c. # The resulting binary has a complete symbol table, and is better # for debugging and other observability tools (debuggers, pstack, etc). # # If you encounter a problem using dldump(), please consider sending # a message to the OpenSolaris tools-linking mailing list: # http://mail.opensolaris.org/mailman/listinfo/tools-linking # # It is likely that dldump() works with older Solaris too, but this has # not been tested, so for now this change is for Solaris 10 or newer. UNEXEC_OBJ=unexsol.o ;; esac LD_SWITCH_SYSTEM= case "$opsys" in freebsd) ## Let `ld' find image libs and similar things in /usr/local/lib. ## The system compiler, GCC, has apparently been modified to not ## look there, contrary to what a stock GCC would do. ### It's not our place to do this. See bug#10313#17. ### LD_SWITCH_SYSTEM=-L/usr/local/lib : ;; gnu-linux) ## cpp test was "ifdef __mips__", but presumably this is equivalent... case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac ;; netbsd) ### It's not our place to do this. See bug#10313#17. ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib" : ;; openbsd) ## Han Boetes says this is necessary, ## otherwise Emacs dumps core on elf systems. LD_SWITCH_SYSTEM="-Z" ;; esac AC_SUBST(LD_SWITCH_SYSTEM) ac_link="$ac_link $LD_SWITCH_SYSTEM" ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH, ## which has not been defined yet. When this was handled with cpp, ## it was expanded to null when configure sourced the s/*.h file. ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles. ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS ## (or somesuch), but because it is supposed to go at the _front_ ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way. ## Compare with the gnu-linux case below, which added to the end ## of LD_SWITCH_SYSTEM, and so can instead go at the front of ## LD_SWITCH_SYSTEM_TEMACS. case "$opsys" in netbsd|openbsd) LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;; esac C_SWITCH_MACHINE= case $canonical in alpha*) AC_CHECK_DECL([__ELF__]) if test "$ac_cv_have_decl___ELF__" = "yes"; then ## With ELF, make sure that all common symbols get allocated to in the ## data section. Otherwise, the dump of temacs may miss variables in ## the shared library that have been initialized. For example, with ## GNU libc, __malloc_initialized would normally be resolved to the ## shared library's .bss section, which is fatal. if test "x$GCC" = "xyes"; then C_SWITCH_MACHINE="-fno-common" else AC_MSG_ERROR([What gives? Fix me if DEC Unix supports ELF now.]) fi else UNEXEC_OBJ=unexalpha.o fi ;; esac AC_SUBST(C_SWITCH_MACHINE) AC_SUBST(UNEXEC_OBJ) C_SWITCH_SYSTEM= ## Some programs in src produce warnings saying certain subprograms ## are too complex and need a MAXMEM value greater than 2000 for ## additional optimization. --nils@exp-math.uni-essen.de test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \ C_SWITCH_SYSTEM="-ma -qmaxmem=4000" ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems. ## It is redundant in glibc2, since we define _GNU_SOURCE. AC_SUBST(C_SWITCH_SYSTEM) LIBS_SYSTEM= case "$opsys" in ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2. aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;; freebsd) LIBS_SYSTEM="-lutil" ;; hpux*) LIBS_SYSTEM="-l:libdld.sl" ;; sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;; ## Motif needs -lgen. unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;; esac AC_SUBST(LIBS_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 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better. AC_DEFUN([AC_TYPE_SIZE_T]) # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them. AC_DEFUN([AC_TYPE_UID_T]) LIB_MATH=-lm LIB_STANDARD= START_FILES= dnl Current possibilities handled by sed (aix4-2 -> aix, dnl gnu-linux -> gnu/linux, etc.): dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix. dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt. SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'` dnl NB do not use CRT_DIR unquoted here, since it might not be set yet. case $opsys in cygwin ) LIB_MATH= START_FILES='pre-crt0.o' ;; darwin ) ## Adding -lm confuses the dynamic linker, so omit it. LIB_MATH= START_FILES='pre-crt0.o' ;; freebsd ) LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o' START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o' SYSTEM_TYPE=berkeley-unix ;; gnu-linux | gnu-kfreebsd ) LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o' START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o' ;; hpux10-20 | hpux11 ) LIB_STANDARD=-lc START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o' ;; dnl NB this may be adjusted below. netbsd | openbsd ) LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o' START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crtbegin.o' SYSTEM_TYPE=berkeley-unix ;; sol2* | unixware ) SYSTEM_TYPE=usg-unix-v ;; esac AC_SUBST(LIB_MATH) AC_SUBST(START_FILES) AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE", [The type of system you are compiling for; sets `system-type'.]) dnl Not all platforms use crtn.o files. Check if the current one does. crt_files= for file in x $LIB_STANDARD $START_FILES; do case "$file" in *CRT_DIR*) crt_files="$crt_files `echo $file | sed -e 's|.*/||'`" ;; esac done if test "x$crt_files" != x; then ## If user specified a crt-dir, use that unconditionally. crt_gcc=no if test "X$CRT_DIR" = "X"; then CRT_DIR=/usr/lib # default case "$canonical" in x86_64-*-linux-gnu* | s390x-*-linux-gnu*) ## On x86-64 and s390x GNU/Linux distributions, the standard library ## can be in a variety of places. We only try /usr/lib64 and /usr/lib. ## For anything else (eg /usr/lib32), it is up the user to specify ## the location (bug#5655). ## Test for crtn.o, not just the directory, because sometimes the ## directory exists but does not have the relevant files (bug#1287). ## FIXME better to test for binary compatibility somehow. test -e /usr/lib64/crtn.o && CRT_DIR=/usr/lib64 ;; powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*) CRT_DIR=/usr/lib64 ;; esac case "$opsys" in hpux10-20) CRT_DIR=/lib ;; esac test "x${GCC}" = xyes && crt_gcc=yes fi # CRT_DIR = "" crt_missing= for file in $crt_files; do ## If we're using gcc, try to determine it automatically by asking ## gcc. [If this doesn't work, CRT_DIR will remain at the ## system-dependent default from above.] if test $crt_gcc = yes && test ! -e $CRT_DIR/$file; then crt_file=`$CC --print-file-name=$file 2>/dev/null` case "$crt_file" in */*) CRT_DIR=`AS_DIRNAME(["$crt_file"])` ;; esac fi dnl We expect all the files to be in a single directory, so after the dnl first there is no point asking gcc. crt_gcc=no test -e $CRT_DIR/$file || crt_missing="$crt_missing $file" done # $crt_files test "x$crt_missing" = x || \ AC_MSG_ERROR([Required file(s) not found:$crt_missing Try using the --with-crt-dir option.]) fi # crt_files != "" AC_SUBST(CRT_DIR) case $opsys in netbsd | openbsd ) if test -f $CRT_DIR/crti.o; then test -f $CRT_DIR/crtn.o || \ AC_MSG_ERROR([Required file not found: crtn.o]) LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o' START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o' fi ;; esac # Configure gnulib before invoking PKG_CHECK_MODULES, as the latter might # for example add -lrt to RSVG_LIBS, which would then cause gnulib to # incorrectly conclude that -lrt is not needed to link clock_gettime. gl_ASSERT_NO_GNULIB_POSIXCHECK gl_ASSERT_NO_GNULIB_TESTS gl_INIT AC_PATH_PROG(PKG_CONFIG, pkg-config, no) dnl This function definition taken from Gnome 2.0 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not) dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page dnl also defines GSTUFF_PKG_ERRORS on error AC_DEFUN([PKG_CHECK_MODULES], [ succeeded=no if test "$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 && $1_CFLAGS=`$PKG_CONFIG --cflags "$2" 2>&AS_MESSAGE_LOG_FD` && $1_LIBS=`$PKG_CONFIG --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then edit_cflags=" s,///*,/,g s/^/ / s/ -I/ $isystem/g s/^ // " $1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"` $1_LIBS=`AS_ECHO(["$$1_LIBS"]) | sed -e 's,///*,/,g'` AC_MSG_RESULT([yes CFLAGS='$$1_CFLAGS' LIBS='$$1_LIBS']) succeeded=yes 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, have_sound_header=yes) # 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_LIBS="$LIBS" CFLAGS="$ALSA_CFLAGS $CFLAGS" LIBS="$ALSA_LIBS $LIBS" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[snd_lib_error_set_handler (0);]])], emacs_alsa_normal=yes, emacs_alsa_normal=no) if test "$emacs_alsa_normal" != yes; then AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#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" LIBS="$SAVE_LIBS" LIBSOUND="$LIBSOUND $ALSA_LIBS" CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS" AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.]) fi dnl Define HAVE_SOUND if we have sound support. We know it works and dnl compiles only on the specified platforms. For others, it dnl probably doesn't make sense to try. if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then case "$opsys" in dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__ gnu-linux|freebsd|netbsd) AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.]) ;; esac fi AC_SUBST(CFLAGS_SOUND) fi dnl checks for header files AC_CHECK_HEADERS_ONCE( linux/version.h sys/systeminfo.h stdio_ext.h fcntl.h coff.h pty.h sys/vlimit.h sys/resource.h sys/utsname.h pwd.h utmp.h dirent.h util.h) AC_MSG_CHECKING(if personality LINUX32 can be set) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#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_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 Check for speed_t typedef. AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t, [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#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 exception, emacs_cv_struct_exception, AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#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_ONCE(sys/socket.h) AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT #if HAVE_SYS_SOCKET_H #include #endif]) AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT #if HAVE_SYS_SOCKET_H #include #endif]) AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT #if HAVE_SYS_SOCKET_H #include #endif]) dnl checks for structure members AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr, struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr, struct ifreq.ifr_addr, struct ifreq.ifr_addr.sa_len], , , [AC_INCLUDES_DEFAULT #if HAVE_SYS_SOCKET_H #include #endif #if HAVE_NET_IF_H #include #endif]) dnl Check for endianness. dnl AC_C_BIGENDIAN is done by gnulib. AC_CACHE_CHECK([for __attribute__ ((__aligned__ (expr)))], [emacs_cv_attribute_aligned], [AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( [[char __attribute__ ((__aligned__ (1 << 3))) c;]], [[]])], [emacs_cv_attribute_aligned=yes], [emacs_cv_attribute_aligned=no])]) if test $emacs_cv_attribute_aligned = yes; then AC_DEFINE([HAVE_ATTRIBUTE_ALIGNED], 1, [Define to 1 if GCC-style __attribute__ ((__aligned__ (expr))) works.]) fi dnl check for Make feature dnl AC_PROG_MAKE_SET is done by Automake. DEPFLAGS= MKDEPDIR=":" deps_frag=deps.mk dnl check for GNU Make if we have GCC and autodepend is on. if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then AC_MSG_CHECKING([whether we are using GNU Make]) HAVE_GNU_MAKE=no testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'` if test "x$testval" != x; then HAVE_GNU_MAKE=yes else ac_enable_autodepend=no fi AC_MSG_RESULT([$HAVE_GNU_MAKE]) if test $HAVE_GNU_MAKE = yes; then AC_MSG_CHECKING([whether gcc understands -MMD -MF]) SAVE_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -MMD -MF deps.d -MP" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no) CFLAGS="$SAVE_CFLAGS" test -f deps.d || ac_enable_autodepend=no rm -rf deps.d AC_MSG_RESULT([$ac_enable_autodepend]) fi if test $ac_enable_autodepend = yes; then DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP' ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe. MKDEPDIR='${MKDIR_P} ${DEPDIR}' deps_frag=autodeps.mk fi fi deps_frag=$srcdir/src/$deps_frag AC_SUBST(MKDEPDIR) AC_SUBST(DEPFLAGS) AC_SUBST_FILE(deps_frag) lisp_frag=$srcdir/src/lisp.mk AC_SUBST_FILE(lisp_frag) 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 LD_SWITCH_X_SITE_RPATH= 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_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/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 AC_SUBST(LD_SWITCH_X_SITE_RPATH) if test "${x_includes}" != NONE && test -n "${x_includes}"; then C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/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_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" TEMACS_LDFLAGS2="\${LDFLAGS}" GNU_OBJC_CFLAGS= if test "${with_ns}" != no; then if test "${opsys}" = darwin; then NS_IMPL_COCOA=yes ns_appdir=`pwd`/nextstep/Emacs.app ns_appbindir=${ns_appdir}/Contents/MacOS ns_appresdir=${ns_appdir}/Contents/Resources ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base elif test -f $GNUSTEP_CONFIG_FILE; then NS_IMPL_GNUSTEP=yes ns_appdir=`pwd`/nextstep/Emacs.app ns_appbindir=${ns_appdir} ns_appresdir=${ns_appdir}/Resources ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base dnl FIXME sourcing this several times in subshells seems inefficient. GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)" GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)" dnl I seemed to need these as well with GNUstep-startup 0.25. GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)" GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)" test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \ GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}" test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \ GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}" CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}" CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}" LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}" LIB_STANDARD= START_FILES= TEMACS_LDFLAGS2= dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1. dnl If they had chosen to either define it or not, we could have dnl just used AC_CHECK_DECL here. AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS, emacs_cv_objc_exceptions, AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0 1; #else fail; #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) ) if test $emacs_cv_objc_exceptions = yes; then dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers. AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1, [Define if GNUstep uses ObjC exceptions.]) GNU_OBJC_CFLAGS="-fobjc-exceptions" fi fi dnl This is only used while we test the NS headers, it gets reset below. CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS" AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes], [AC_MSG_ERROR([`--with-ns' was specified, but the include files are missing or cannot be compiled.])]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include ], [NSInteger i;])], ns_have_nsinteger=yes, ns_have_nsinteger=no) if test $ns_have_nsinteger = yes; then AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.]) fi fi AC_SUBST(TEMACS_LDFLAGS2) INSTALL_ARCH_INDEP_EXTRA=install-etc ns_self_contained=no ns_frag=/dev/null NS_OBJ= NS_OBJC_OBJ= if test "${HAVE_NS}" = yes; then if test "$with_toolkit_scroll_bars" = "no"; then AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.]) fi window_system=nextstep with_xft=no # set up packaging dirs if test "${EN_NS_SELF_CONTAINED}" = yes; then ns_self_contained=yes prefix=${ns_appresdir} exec_prefix=${ns_appbindir} dnl This one isn't really used, only archlibdir is. libexecdir="\${ns_appbindir}/libexec" archlibdir="\${ns_appbindir}/libexec" docdir="\${ns_appresdir}/etc" etcdir="\${ns_appresdir}/etc" dnl FIXME maybe set datarootdir instead. dnl That would also get applications, icons, man. infodir="\${ns_appresdir}/info" mandir="\${ns_appresdir}/man" lispdir="\${ns_appresdir}/lisp" leimdir="\${ns_appresdir}/leim" INSTALL_ARCH_INDEP_EXTRA= fi ns_frag=$srcdir/src/ns.mk NS_OBJ="fontset.o fringe.o image.o" NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o" fi CFLAGS="$tmp_CFLAGS" CPPFLAGS="$tmp_CPPFLAGS" AC_SUBST(INSTALL_ARCH_INDEP_EXTRA) AC_SUBST(ns_self_contained) AC_SUBST(NS_OBJ) AC_SUBST(NS_OBJC_OBJ) AC_SUBST(LIB_STANDARD) AC_SUBST_FILE(ns_frag) 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 Don't set this for GTK. A lot of tests below assumes Xt when dnl USE_X_TOOLKIT is set. USE_X_TOOLKIT=none ;; gtk3 ) with_gtk3=yes 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 | 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 # Does the opsystem file prohibit the use of the GNU malloc? # Assume not, until told otherwise. GNU_MALLOC=yes AC_CACHE_CHECK( [whether malloc is Doug Lea style], [emacs_cv_var_doug_lea_malloc], [AC_LINK_IFELSE( [AC_LANG_PROGRAM( [[#include static void hook (void) {}]], [[malloc_set_state (malloc_get_state ()); __after_morecore_hook = hook; __malloc_initialize_hook = hook;]])], [emacs_cv_var_doug_lea_malloc=yes], [emacs_cv_var_doug_lea_malloc=no])]) doug_lea_malloc=$emacs_cv_var_doug_lea_malloc dnl See comments in aix4-2.h about maybe using system malloc there. system_malloc=no case "$opsys" in ## darwin ld insists on the use of malloc routines in the System framework. darwin|sol2-10) system_malloc=yes ;; esac if test "${system_malloc}" = "yes"; then AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.]) GNU_MALLOC=no GNU_MALLOC_reason=" (The GNU allocators don't work with this system configuration.)" GMALLOC_OBJ= VMLIMIT_OBJ= else test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o VMLIMIT_OBJ=vm-limit.o fi AC_SUBST(GMALLOC_OBJ) AC_SUBST(VMLIMIT_OBJ) 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.]) ## Use mmap directly for allocating larger buffers. ## FIXME this comes from src/s/{gnu,gnu-linux}.h: ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif ## Does the AC_FUNC_MMAP test below make this check unnecessary? case "$opsys" in gnu*) REL_ALLOC=no ;; esac fi if test x"${REL_ALLOC}" = x; then REL_ALLOC=${GNU_MALLOC} fi use_mmap_for_buffers=no case "$opsys" in cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;; esac AC_FUNC_MMAP if test $use_mmap_for_buffers = yes; then AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.]) REL_ALLOC=no fi LIBS="$LIBS_SYSTEM $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") dnl Check if pthreads is available. LIB_PTHREAD= AC_CHECK_HEADERS_ONCE(pthread.h) if test "$ac_cv_header_pthread_h"; then dnl gmalloc.c uses pthread_atfork, which is not available on older-style dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely dnl testing for pthread_self if Emacs uses gmalloc.c. if test "$GMALLOC_OBJ" = gmalloc.o; then emacs_pthread_function=pthread_atfork else emacs_pthread_function=pthread_self fi AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes) fi if test "$HAVE_PTHREAD" = yes; then case "${canonical}" in *-hpux*) ;; *) LIB_PTHREAD="-lpthread" LIBS="$LIB_PTHREAD $LIBS" ;; esac AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).]) fi AC_SUBST([LIB_PTHREAD]) AC_CHECK_LIB(pthreads, cma_open) ## Note: when using cpp in s/aix4.2.h, this definition depended on ## HAVE_LIBPTHREADS. That was not defined earlier in configure when ## the system file was sourced. Hence the value of LIBS_SYSTEM ## added to LIBS in configure would never contain the pthreads part, ## but the value used in Makefiles might. FIXME? ## ## -lpthreads seems to be necessary for Xlib in X11R6, and should ## be harmless on older versions of X where it happens to exist. test "$opsys" = "aix4-2" && \ test $ac_cv_lib_pthreads_cma_open = yes && \ LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads" 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_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[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_CFLAGS="$CFLAGS" REAL_CPPFLAGS="$CPPFLAGS" if test "${HAVE_X11}" = "yes"; then DEFS="$C_SWITCH_X_SITE $DEFS" LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE" LIBS="-lX11 $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_RPATH 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_RPATH. 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_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[XOpenDisplay ("foo");]])], [xgnu_linux_first_failure=no], [xgnu_linux_first_failure=yes]) if test "${xgnu_linux_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_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[XOpenDisplay ("foo");]])], [xgnu_linux_second_failure=no], [xgnu_linux_second_failure=yes]) if test "${xgnu_linux_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_LINK_IFELSE([AC_LANG_PROGRAM([[#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) fi if test "${window_system}" = "x11"; then AC_MSG_CHECKING(X11 version 6) AC_CACHE_VAL(emacs_cv_x11_version_6, [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#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.]) AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.]) ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style ## XIM support. case "$opsys" in sol2-*) : ;; *) AC_DEFINE(HAVE_X11R6_XIM, 1, [Define if you have usable X11R6-style XIM support.]) ;; esac 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_NS}" = "yes"; then if test "${with_rsvg}" != "no"; then RSVG_REQUIRED=2.11.0 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED" PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :) AC_SUBST(RSVG_CFLAGS) AC_SUBST(RSVG_LIBS) if test $HAVE_RSVG = yes; then AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.]) CFLAGS="$CFLAGS $RSVG_CFLAGS" LIBS="$RSVG_LIBS $LIBS" fi fi fi HAVE_IMAGEMAGICK=no if test "${HAVE_X11}" = "yes"; then if test "${with_imagemagick}" != "no"; then ## 6.2.8 is the earliest version known to work, but earlier versions ## might work - let us know if you find one. ## 6.0.7 does not work. See bug#7955. IMAGEMAGICK_MODULE="Wand >= 6.2.8" PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :) AC_SUBST(IMAGEMAGICK_CFLAGS) AC_SUBST(IMAGEMAGICK_LIBS) if test $HAVE_IMAGEMAGICK = yes; then AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.]) CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS" LIBS="$IMAGEMAGICK_LIBS $LIBS" AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers) fi fi fi HAVE_GTK=no GTK_OBJ= if test "${with_gtk3}" = "yes"; then GLIB_REQUIRED=2.28 GTK_REQUIRED=3.0 GTK_MODULES="gtk+-3.0 >= $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 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.]) GTK_OBJ=emacsgtkfixed.o fi if test "$pkg_check_gtk" != "yes"; then HAVE_GTK=no if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then GLIB_REQUIRED=2.10 GTK_REQUIRED=2.10 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 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.]) GTK_OBJ="gtkutil.o $GTK_OBJ" 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 AC_SUBST(GTK_OBJ) 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 have the old file selection dialog declared and dnl in the link library. In 2.x it may be in the library, dnl but not declared if deprecated featured has been selected out. dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION. HAVE_GTK_FILE_SELECTION=no AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes, HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT #include ]) if test "$HAVE_GTK_FILE_SELECTION" = yes; then AC_CHECK_FUNCS(gtk_file_selection_new) fi dnl Check for functions introduced in 2.14 and later. AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \ gtk_dialog_get_action_area gtk_widget_get_sensitive \ gtk_widget_get_mapped gtk_adjustment_get_page_size \ gtk_orientable_set_orientation \ gtk_window_set_has_resize_grip) fi dnl D-Bus has been tested under GNU/Linux only. Must be adapted for dnl other platforms. HAVE_DBUS=no DBUS_OBJ= 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 LIBS="$LIBS $DBUS_LIBS" AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.]) dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1. dnl dbus_type_is_valid and dbus_validate_* have been introduced in dnl D-Bus 1.5.12. AC_CHECK_FUNCS(dbus_watch_get_unix_fd \ dbus_type_is_valid \ dbus_validate_bus_name \ dbus_validate_path \ dbus_validate_interface \ dbus_validate_member) DBUS_OBJ=dbusbind.o fi fi AC_SUBST(DBUS_OBJ) dnl GSettings has been tested under GNU/Linux only. HAVE_GSETTINGS=no if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no) if test "$HAVE_GSETTINGS" = "yes"; then AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.]) SETTINGS_CFLAGS="$GSETTINGS_CFLAGS" SETTINGS_LIBS="$GSETTINGS_LIBS" fi fi dnl GConf has been tested under GNU/Linux only. dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6. HAVE_GCONF=no if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no) if test "$HAVE_GCONF" = yes; then AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.]) dnl Newer GConf doesn't link with g_objects, so this is not defined. SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS" SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS" fi fi if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then SAVE_CFLAGS="$CFLAGS" SAVE_LIBS="$LIBS" CFLAGS="$SETTINGS_CFLAGS $CFLAGS" LIBS="$SETTINGS_LIBS $LIBS" AC_CHECK_FUNCS([g_type_init]) CFLAGS="$SAVE_CFLAGS" LIBS="$SAVE_LIBS" fi AC_SUBST(SETTINGS_CFLAGS) AC_SUBST(SETTINGS_LIBS) dnl SELinux is available for GNU/Linux only. HAVE_LIBSELINUX=no LIBSELINUX_LIBS= if test "${with_selinux}" = "yes"; then AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no) if test "$HAVE_LIBSELINUX" = yes; then AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.]) LIBSELINUX_LIBS=-lselinux fi fi AC_SUBST(LIBSELINUX_LIBS) HAVE_GNUTLS=no HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no if test "${with_gnutls}" = "yes" ; then PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no) if test "${HAVE_GNUTLS}" = "yes"; then AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.]) fi CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS" LIBS="$LIBGNUTLS_LIBS $LIBS" AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes) if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.]) fi fi AC_SUBST(LIBGNUTLS_LIBS) AC_SUBST(LIBGNUTLS_CFLAGS) dnl Do not put whitespace before the #include statements below. dnl Older compilers (eg sunos4 cc) choke on it. HAVE_XAW3D=no LUCID_LIBW= 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_LINK_IFELSE([AC_LANG_PROGRAM([[ #include #include ]], [[]])], [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)], 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 LUCID_LIBW=-lXaw3d 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_LINK_IFELSE([AC_LANG_PROGRAM([[ #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 LUCID_LIBW=-lXaw elif test x"${USE_X_TOOLKIT}" = xLUCID; then AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files]) else AC_MSG_ERROR([No X toolkit could be found. If you are sure you want Emacs compiled without an X toolkit, pass --with-x-toolkit=no to configure. Otherwise, install the development libraries for the toolkit that you want to use (e.g. Gtk+) and re-run configure.]) fi fi fi X_TOOLKIT_TYPE=$USE_X_TOOLKIT LIBXTR6= if test "${USE_X_TOOLKIT}" != "none"; then AC_MSG_CHECKING(X11 toolkit version) AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6, [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#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.]) LIBXTR6="-lSM -lICE" case "$opsys" in ## Use libw.a along with X11R6 Xt. unixware) LIBXTR6="$LIBXTR6 -lw" ;; esac 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 AC_SUBST(LIBXTR6) dnl FIXME the logic here seems weird, but this is what cpp was doing. dnl Why not just test for libxmu in the normal way? LIBXMU=-lXmu case $opsys in ## These systems don't supply Xmu. hpux* | aix4-2 ) test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU= ;; esac AC_SUBST(LIBXMU) # 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 LIBXP= if test "${USE_X_TOOLKIT}" = "MOTIF"; then AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1, [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#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)]) if test $emacs_cv_motif_version_2_1 = yes; then AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp) 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_COMPILE_IFELSE([AC_LANG_PROGRAM([[#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 AC_CHECK_HEADER([Xm/BulletinB.h], [], [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])]) 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" || test "${USE_X_TOOLKIT}" = "LUCID"; 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_NS}" = "yes"; then AC_DEFINE(USE_TOOLKIT_SCROLL_BARS) USE_TOOLKIT_SCROLL_BARS=yes fi fi dnl See if XIM is available. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #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_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #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 (under any platform) section. # (nothing here yet -- this is a placeholder) ### End of font-backend (under any platform) section. ### Start of font-backend (under X11) section. if test "${HAVE_X11}" = "yes"; then PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no) ## Use -lXft if available, unless `--with-xft=no'. HAVE_XFT=maybe if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then with_xft="no"; fi if test "x${with_xft}" != "xno"; then PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no) ## Because xftfont.c uses XRenderQueryExtension, we also ## need to link to -lXrender. HAVE_XRENDER=no AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes) if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then OLD_CPPFLAGS="$CPPFLAGS" OLD_CFLAGS="$CFLAGS" OLD_LIBS="$LIBS" CPPFLAGS="$CPPFLAGS $XFT_CFLAGS" CFLAGS="$CFLAGS $XFT_CFLAGS" XFT_LIBS="-lXrender $XFT_LIBS" 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" ## We used to allow building with FreeType and without Xft. ## However, the ftx font backend driver is not in good shape. if test "$HAVE_XFT" != "yes"; then dnl For the "Does Emacs use" message at the end. HAVE_XFT=no HAVE_FREETYPE=no else dnl Strict linkers fail with dnl ftfont.o: undefined reference to symbol 'FT_New_Face' dnl if -lfreetype is not specified. dnl The following is needed to set FREETYPE_LIBS. PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes, HAVE_FREETYPE=no) test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype) 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.]) AC_CHECK_LIB(otf, OTF_get_variation_glyphs, HAVE_OTF_GET_VARIATION_GLYPHS=yes, HAVE_OTF_GET_VARIATION_GLYPHS=no) if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1, [Define to 1 if libotf has OTF_get_variation_glyphs.]) fi 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 "${HAVE_LIBOTF}" = yes; then 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 fi else HAVE_XFT=no HAVE_FREETYPE=no HAVE_LIBOTF=no HAVE_M17N_FLT=no fi ### End of font-backend (under X11) section. 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) ### Use -lXpm if available, unless `--with-xpm=no'. HAVE_XPM=no LIBXPM= 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 library (-lXpm).]) LIBXPM=-lXpm fi fi AC_SUBST(LIBXPM) ### Use -ljpeg if available, unless `--with-jpeg=no'. HAVE_JPEG=no LIBJPEG= 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 if test "${HAVE_JPEG}" = "yes"; then LIBJPEG=-ljpeg fi fi AC_SUBST(LIBJPEG) ### Use -lpng if available, unless `--with-png=no'. HAVE_PNG=no LIBPNG= 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).]) LIBPNG="-lpng -lz -lm" fi fi AC_SUBST(LIBPNG) ### Use -ltiff if available, unless `--with-tiff=no'. HAVE_TIFF=no LIBTIFF= 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).]) dnl FIXME -lz -lm, as per libpng? LIBTIFF=-ltiff fi fi AC_SUBST(LIBTIFF) ### Use -lgif or -lungif if available, unless `--with-gif=no'. HAVE_GIF=no LIBGIF= 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, HAVE_GIF=maybe)]) if test "$HAVE_GIF" = yes; then LIBGIF=-lgif elif test "$HAVE_GIF" = maybe; then # If gif_lib.h but no libgif, try libungif. AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no) test "$HAVE_GIF" = yes && LIBGIF=-lungif fi if test "${HAVE_GIF}" = "yes"; then AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.]) fi fi AC_SUBST(LIBGIF) 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 LIBGPM= if test "${with_gpm}" != "no"; then AC_CHECK_HEADER(gpm.h, [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)]) if test "${HAVE_GPM}" = "yes"; then AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).]) LIBGPM=-lgpm fi fi AC_SUBST(LIBGPM) dnl Check for malloc/malloc.h on darwin AC_CHECK_HEADERS_ONCE(malloc/malloc.h) GNUSTEP_CFLAGS= ### 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 "${NS_IMPL_GNUSTEP}" = "yes"; then AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.]) # See also .m.o rule in Makefile.in */ # FIXME: are all these flags really needed? Document here why. */ GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}" ## Extra CFLAGS applied to src/*.m files. GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE" fi # We also have mouse menus. HAVE_MENUS=yes OTHER_FILES=ns-app fi ### Use session management (-lSM -lICE) if available HAVE_X_SM=no LIBXSM= 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).]) LIBXSM="-lSM -lICE" case "$LIBS" in *-lSM*) ;; *) LIBS="$LIBXSM $LIBS" ;; esac fi fi AC_SUBST(LIBXSM) ### Use libxml (-lxml2) if available HAVE_LIBXML2=no if test "${with_xml2}" != "no"; then ### I'm not sure what the version number should be, so I just guessed. PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no) if test "${HAVE_LIBXML2}" = "yes"; then LIBS="$LIBXML2_LIBS $LIBS" AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no) if test "${HAVE_LIBXML2}" = "yes"; then AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).]) else LIBXML2_LIBS="" LIBXML2_CFLAGS="" fi fi fi AC_SUBST(LIBXML2_LIBS) AC_SUBST(LIBXML2_CFLAGS) # 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_LINK_IFELSE([AC_LANG_PROGRAM([[#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 # 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, have_mail=yes, have_mail=no) if test $have_mail = yes; then LIBS_MAIL=-lmail LIBS="$LIBS_MAIL $LIBS" AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).]) else LIBS_MAIL= fi dnl Debian, at least: AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no) if test $have_lockfile = yes; then LIBS_MAIL=-llockfile LIBS="$LIBS_MAIL $LIBS" AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).]) else # 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. 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.]) fi fi AC_CHECK_HEADERS_ONCE(maillock.h) AC_SUBST(LIBS_MAIL) ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to ## interlock access to the mail spool. The alternative is a lock file named ## /usr/spool/mail/$USER.lock. mail_lock=no case "$opsys" in aix4-2) mail_lock="lockf" ;; gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;; ## On GNU/Linux systems, both methods are used by various mail programs. ## I assume most people are using newer mailers that have heard of flock. ## Change this if you need to. ## Debian contains a patch which says: ``On Debian/GNU/Linux systems, ## configure gets the right answers, and that means *NOT* using flock. ## Using flock is guaranteed to be the wrong thing. See Debian Policy ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the ## Debian maintainer hasn't provided a clean fix for Emacs. ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and ## HAVE_MAILLOCK_H are defined, so the following appears to be the ## correct logic. -- fx ## We must check for HAVE_LIBLOCKFILE too, as movemail does. ## liblockfile is a Free Software replacement for libmail, used on ## Debian systems and elsewhere. -rfr. gnu-*) mail_lock="flock" if test $have_mail = yes || test $have_lockfile = yes; then test $ac_cv_header_maillock_h = yes && mail_lock=no fi ;; esac BLESSMAIL_TARGET= case "$mail_lock" in flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;; lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;; *) BLESSMAIL_TARGET="need-blessmail" ;; esac AC_SUBST(BLESSMAIL_TARGET) AC_CHECK_FUNCS(gethostname \ rename closedir mkdir rmdir getrusage get_current_dir_name \ random lrand48 logb frexp fmod rint cbrt setsid \ strerror fpathconf select euidaccess getpagesize setlocale \ utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \ __fpending strsignal setitimer \ sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \ gai_strerror mkstemp getline getdelim fsync sync \ difftime posix_memalign \ getpwent endpwent getgrent endgrent \ touchlock \ strcasecmp strncasecmp \ cfmakeraw cfsetspeed copysign __executable_start) dnl Cannot use AC_CHECK_FUNCS AC_CACHE_CHECK([for __builtin_unwind_init], emacs_cv_func___builtin_unwind_init, [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])], emacs_cv_func___builtin_unwind_init=yes, emacs_cv_func___builtin_unwind_init=no)]) if test $emacs_cv_func___builtin_unwind_init = yes; then AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1, [Define to 1 if you have the `__builtin_unwind_init' function.]) fi AC_CHECK_HEADERS_ONCE(sys/un.h) AC_FUNC_FSEEKO AC_FUNC_GETPGRP # 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. # Also we need tputs and friends to be able to build at all. AC_MSG_CHECKING([for library containing tputs]) # Run a test program that contains a call to tputs, a call that is # never executed. This tests whether a pre-'main' dynamic linker # works with the library. It's too much trouble to actually call # tputs in the test program, due to portability hassles. When # cross-compiling, assume the test program will run if it links. AC_DEFUN([tputs_link_source], [ AC_LANG_SOURCE( [[extern void tputs (const char *, int, int (*)(int)); int main (int argc, char **argv) { if (argc == 10000) tputs (argv[0], 0, 0); return 0; }]]) ]) # Maybe curses should be tried earlier? # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35 for tputs_library in '' tinfo ncurses terminfo termcap curses; do OLIBS=$LIBS if test -z "$tputs_library"; then LIBS_TERMCAP= msg='none required' else LIBS_TERMCAP=-l$tputs_library msg=$LIBS_TERMCAP LIBS="$LIBS_TERMCAP $LIBS" fi AC_RUN_IFELSE([tputs_link_source], [], [msg=no], [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])]) LIBS=$OLIBS if test "X$msg" != Xno; then break fi done AC_MSG_RESULT([$msg]) if test "X$msg" = Xno; then AC_MSG_ERROR([The required function `tputs' was not found in any library. The following libraries were tried (in order): libtinfo, libncurses, libterminfo, libtermcap, libcurses Please try installing whichever of these libraries is most appropriate for your system, together with its header files. For example, a libncurses-dev(el) or similar package.]) fi ## Use termcap instead of terminfo? ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500. TERMINFO=yes ## FIXME? In the cases below where we unconditionally set ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo, ## if that was found above to have tputs. ## Should we use the gnu* logic everywhere? case "$opsys" in ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2. ## The ncurses library has been moved out of the System framework in ## Mac OS X 10.2. So if configure detects it, set the command-line ## option to use it. darwin) LIBS_TERMCAP="-lncurses" ;; gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;; freebsd) AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo]) AC_CACHE_VAL(emacs_cv_freebsd_terminfo, [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include ]], [[#if __FreeBSD_version < 400000 fail; #endif ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)]) AC_MSG_RESULT($emacs_cv_freebsd_terminfo) if test $emacs_cv_freebsd_terminfo = yes; then LIBS_TERMCAP="-lncurses" else TERMINFO=no LIBS_TERMCAP="-ltermcap" fi ;; netbsd) if test "x$LIBS_TERMCAP" != "x-lterminfo"; then TERMINFO=no LIBS_TERMCAP="-ltermcap" fi ;; openbsd) LIBS_TERMCAP="-lncurses" ;; ## hpux: Make sure we get select from libc rather than from libcurses ## because libcurses on HPUX 10.10 has a broken version of select. ## We used to use -lc -lcurses, but this may be cleaner. ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly # set that way, now it uses the default). Isn't this a contradiction? hpux*) LIBS_TERMCAP="-ltermcap" ;; esac TERMCAP_OBJ=tparam.o if test $TERMINFO = yes; then AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.]) TERMCAP_OBJ=terminfo.o fi AC_SUBST(LIBS_TERMCAP) AC_SUBST(TERMCAP_OBJ) # Do we have res_init, for detecting changes in /etc/resolv.conf? resolv=no AC_LINK_IFELSE([AC_LANG_PROGRAM([[#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_LINK_IFELSE([AC_LANG_PROGRAM([[#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? LIBHESIOD= if test "$with_hesiod" != no ; then # Don't set $LIBS here -- see comments above. FIXME which comments? 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, hesiod=yes, :, $RESOLVLIB)]) if test x"$hesiod" = xyes; then AC_DEFINE(HAVE_LIBHESIOD, 1, [Define to 1 if you have the hesiod library (-lhesiod).]) LIBHESIOD=-lhesiod fi fi AC_SUBST(LIBHESIOD) # 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).]) LIBRESOLV=-lresolv else LIBRESOLV= fi AC_SUBST(LIBRESOLV) # These tell us which Kerberos-related libraries to use. COM_ERRLIB= CRYPTOLIB= KRB5LIB= DESLIB= KRB4LIB= if test "${with_kerberos}" != no; then AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no) if test $have_com_err = yes; then COM_ERRLIB=-lcom_err LIBS="$COM_ERRLIB $LIBS" AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).]) fi AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no) if test $have_crypto = yes; then CRYPTOLIB=-lcrypto LIBS="$CRYPTOLIB $LIBS" AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).]) fi AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no) if test $have_k5crypto = yes; then CRYPTOLIB=-lk5crypto LIBS="$CRYPTOLIB $LIBS" AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).]) fi AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no) if test $have_krb5=yes; then KRB5LIB=-lkrb5 LIBS="$KRB5LIB $LIBS" AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).]) fi dnl FIXME Simplify. Does not match 22 logic, thanks to default_off? if test "${with_kerberos5}" = no; then AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no ) if test $have_des425 = yes; then DESLIB=-ldes425 LIBS="$DESLIB $LIBS" AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).]) else AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no) if test $have_des = yes; then DESLIB=-ldes LIBS="$DESLIB $LIBS" AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).]) fi fi AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no) if test $have_krb4 = yes; then KRB4LIB=-lkrb4 LIBS="$KRB4LIB $LIBS" AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).]) else AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no) if test $have_krb = yes; then KRB4LIB=-lkrb LIBS="$KRB4LIB $LIBS" AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).]) fi fi fi if test "${with_kerberos5}" != no; then AC_CHECK_HEADERS(krb5.h, [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,, [#include ])]) 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 AC_SUBST(COM_ERRLIB) AC_SUBST(CRYPTOLIB) AC_SUBST(KRB5LIB) AC_SUBST(DESLIB) AC_SUBST(KRB4LIB) AC_CHECK_FUNCS(tzset) AC_MSG_CHECKING(whether localtime caches TZ) AC_CACHE_VAL(emacs_cv_localtime_cache, [if test x$ac_cv_func_tzset = xyes; then AC_RUN_IFELSE([AC_LANG_SOURCE([[#include 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; unsetenv("TZ"); hour_unset = localtime (&now)->tm_hour; if (putenv (TZ_PST8) != 0) exit (1); if (localtime (&now)->tm_hour == hour_GMT0) exit (1); unsetenv("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 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 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 AC_CHECK_FUNCS(snprintf) dnl Adapted from Haible's version. AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset, [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#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_TYPE_MBSTATE_T AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr, [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[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 case $opsys in darwin | gnu | hpux* | *bsd ) AC_DEFINE(NO_TERMIO, 1, [Define if termio.h should not be included.]) ;; esac dnl SIGIO exists, but the feature doesn't work in the way Emacs needs. dnl See eg . case $opsys in hpux* | irix6-5 | openbsd | sol2* | unixware ) AC_DEFINE(BROKEN_SIGIO, 1, [Define if SIGIO should not be used.]) ;; esac case $opsys in gnu-* | sol2-10 ) dnl FIXME Can't we test if this exists (eg /proc/$$)? AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.]) ;; esac case $opsys in gnu-kfreebsd) opsysfile="s/gnu-linux.h" ;; hpux11) dnl SA_RESTART resets the timeout of `select', so don't use it. AC_DEFINE(BROKEN_SA_RESTART, 1, [Define if SA_RESTART should not be used.]) dnl It works to open the pty's tty in the parent (Emacs), then dnl close and reopen it in the child. AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it works to open a pty's tty in the parent process, then close and reopen it in the child.]) opsysfile="s/hpux10-20.h" ;; openbsd) opsysfile="s/netbsd.h" ;; sol2-10) AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes on Solaris.]) opsysfile="s/sol2-6.h" ;; esac # Set up the CFLAGS for real compilation, so we can substitute it. CFLAGS="$REAL_CFLAGS" CPPFLAGS="$REAL_CPPFLAGS" ## Hack to detect a buggy GCC version. if test "x$GCC" = xyes \ && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \ && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \ && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.]) fi version=$PACKAGE_VERSION ### 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) ## Unused? 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(leimdir) 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) ## FIXME? Nothing uses @LD_SWITCH_X_SITE@. ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the ## end of LIBX_BASE, but nothing ever set it. AC_SUBST(LD_SWITCH_X_SITE) AC_SUBST(C_SWITCH_X_SITE) AC_SUBST(GNUSTEP_CFLAGS) AC_SUBST(CFLAGS) ## Used in lwlib/Makefile.in. AC_SUBST(X_TOOLKIT_TYPE) if test -n "${opsysfile}"; then S_FILE="\$(srcdir)/${opsysfile}" else S_FILE= fi AC_SUBST(S_FILE) AC_SUBST(ns_appdir) AC_SUBST(ns_appbindir) AC_SUBST(ns_appresdir) AC_SUBST(ns_appsrc) AC_SUBST(GNU_OBJC_CFLAGS) AC_SUBST(OTHER_FILES) 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.]) if test -n "$opsysfile"; then AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}", [Define to the used os dependent file.]) fi XMENU_OBJ= XOBJ= FONT_OBJ= if test "${HAVE_X_WINDOWS}" = "yes" ; then AC_DEFINE(HAVE_X_WINDOWS, 1, [Define to 1 if you want to use the X window system.]) XMENU_OBJ=xmenu.o XOBJ="xterm.o xfns.o xselect.o xrdb.o fontset.o xsmfns.o fringe.o image.o xsettings.o xgselect.o" FONT_OBJ=xfont.o if test "$HAVE_XFT" = "yes"; then FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o" elif test "$HAVE_FREETYPE" = "yes"; then FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o" fi AC_SUBST(FONT_OBJ) fi AC_SUBST(XMENU_OBJ) AC_SUBST(XOBJ) AC_SUBST(FONT_OBJ) WIDGET_OBJ= MOTIF_LIBW= if test "${USE_X_TOOLKIT}" != "none" ; then WIDGET_OBJ=widget.o 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.]) MOTIF_LIBW=-lXm case "$opsys" in gnu-linux) ## Paul Abrahams says this is needed. MOTIF_LIBW="$MOTIF_LIBW -lXpm" ;; unixware) ## Richard Anthony Ryan ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2. MOTIF_LIBW="MOTIF_LIBW -lXimp" ;; aix4-2) ## olson@mcs.anl.gov says -li18n is needed by -lXm. MOTIF_LIBW="$MOTIF_LIBW -li18n" ;; esac MOTIF_LIBW="$MOTIF_LIBW $LIBXP" fi fi AC_SUBST(WIDGET_OBJ) TOOLKIT_LIBW= case "$USE_X_TOOLKIT" in MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;; LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;; none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;; esac AC_SUBST(TOOLKIT_LIBW) if test "$USE_X_TOOLKIT" = "none"; then LIBXT_OTHER="\$(LIBXSM)" OLDXMENU_TARGET="really-oldXMenu" else LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext" OLDXMENU_TARGET="really-lwlib" fi AC_SUBST(LIBXT_OTHER) ## The X Menu stuff is present in the X10 distribution, but missing ## from X11. If we have X10, just use the installed library; ## otherwise, use our own copy. if test "${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.]) if test "$USE_X_TOOLKIT" = "none"; then OLDXMENU="\${oldXMenudir}/libXMenu11.a" else OLDXMENU="\${lwlibdir}/liblw.a" fi LIBXMENU="\$(OLDXMENU)" LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)" OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}" else ## For a syntactically valid Makefile; not actually used for anything. ## See comments in src/Makefile.in. OLDXMENU=nothing ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?). if test "${HAVE_X_WINDOWS}" = "yes"; then LIBXMENU="-lXMenu" else LIBXMENU= fi LIBX_OTHER= OLDXMENU_DEPS= fi if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then OLDXMENU_TARGET= OLDXMENU=nothing LIBXMENU= OLDXMENU_DEPS= fi AC_SUBST(OLDXMENU_TARGET) AC_SUBST(OLDXMENU) AC_SUBST(LIBXMENU) AC_SUBST(LIBX_OTHER) AC_SUBST(OLDXMENU_DEPS) 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 RALLOC_OBJ= if test "${REL_ALLOC}" = "yes" ; then AC_DEFINE(REL_ALLOC, 1, [Define REL_ALLOC if you want to use the relocating allocator for buffer space.]) test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o fi AC_SUBST(RALLOC_OBJ) if test "$opsys" = "cygwin"; then CYGWIN_OBJ="sheap.o" ## Cygwin differs because of its unexec(). PRE_ALLOC_OBJ= POST_ALLOC_OBJ=lastfile.o else CYGWIN_OBJ= PRE_ALLOC_OBJ=lastfile.o POST_ALLOC_OBJ= fi AC_SUBST(CYGWIN_OBJ) AC_SUBST(PRE_ALLOC_OBJ) AC_SUBST(POST_ALLOC_OBJ) case "$opsys" in aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;; darwin) ## The -headerpad option tells ld (see man page) to leave room at the ## end of the header for adding load commands. Needed for dumping. ## 0x690 is the total size of 30 segment load commands (at 56 ## each); under Cocoa 31 commands are required. if test "$HAVE_NS" = "yes"; then libs_nsgui="-framework AppKit" headerpad_extra=6C8 else libs_nsgui= headerpad_extra=690 fi LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra" ## This is here because src/Makefile.in did some extra fiddling around ## with LD_SWITCH_SYSTEM. The cpp logic was: ## #ifndef LD_SWITCH_SYSTEM ## #if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF))) ## Since all the *bsds define LD_SWITCH_SYSTEM, this simplifies to: ## not using gcc, darwin. ## Because this was done in src/Makefile.in, the resulting part of ## LD_SWITCH_SYSTEM was not used in configure (ie, in ac_link). ## It therefore seems cleaner to put this in LD_SWITCH_SYSTEM_TEMACS, ## rather than LD_SWITCH_SYSTEM. test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \ LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS" ;; ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to ## find X at run-time. ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM ## had different values in configure (in ac_link) and src/Makefile.in. ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS. gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;; *) LD_SWITCH_SYSTEM_TEMACS= ;; esac if test "$NS_IMPL_GNUSTEP" = "yes"; then LD_SWITCH_SYSTEM_TEMACS="${LD_SWITCH_SYSTEM_TEMACS} -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES} -lgnustep-gui -lgnustep-base -lobjc -lpthread" fi AC_SUBST(LD_SWITCH_SYSTEM_TEMACS) LD_FIRSTFLAG= ORDINARY_LINK= case "$opsys" in ## gnu: GNU needs its own crt0. aix4-2|cygwin|darwin|gnu|hpux*|irix6-5|sol2*|unixware) ORDINARY_LINK=yes ;; ## On post 1.3 releases of NetBSD, gcc -nostdlib also clears the ## library search parth, i.e. it won't search /usr/lib for libc and ## friends. Using -nostartfiles instead avoids this problem, and ## will also work on earlier NetBSD releases. netbsd|openbsd) LD_FIRSTFLAG="-nostartfiles" ;; ## powerpc*: NAKAJI Hiroyuki says ## MkLinux/LinuxPPC needs this. ## s390x-* only supports opsys = gnu-linux so it can be added here. gnu-*) case "$canonical" in powerpc*|s390x-*) LD_FIRSTFLAG="-nostdlib" ;; esac ;; esac if test "x$ORDINARY_LINK" = "xyes"; then LD_FIRSTFLAG="" AC_DEFINE(ORDINARY_LINK, 1, [Define if the C compiler is the linker.]) ## The system files defining neither ORDINARY_LINK nor LD_FIRSTFLAG are: ## freebsd, gnu-* not on powerpc*|s390x*. elif test "x$GCC" = "xyes" && test "x$LD_FIRSTFLAG" = "x"; then ## Versions of GCC >= 2.0 put their library, libgcc.a, in obscure ## places that are difficult to figure out at make time. Fortunately, ## these same versions allow you to pass arbitrary flags on to the ## linker, so there is no reason not to use it as a linker. ## ## Well, it is not quite perfect. The "-nostdlib" keeps GCC from ## searching for libraries in its internal directories, so we have to ## ask GCC explicitly where to find libgcc.a (LIB_GCC below). LD_FIRSTFLAG="-nostdlib" fi ## FIXME? What setting of EDIT_LDFLAGS should this have? test "$NS_IMPL_GNUSTEP" = "yes" && LD_FIRSTFLAG="-rdynamic" AC_SUBST(LD_FIRSTFLAG) ## FIXME? The logic here is not precisely the same as that above. ## There is no check here for a pre-defined LD_FIRSTFLAG. ## Should we only be setting LIB_GCC if LD ~ -nostdlib? LIB_GCC= if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then case "$opsys" in freebsd|netbsd|openbsd) LIB_GCC= ;; gnu-*) ## armin76@gentoo.org reported that the lgcc_s flag is necessary to ## build on ARM EABI under GNU/Linux. (Bug#5518) case $host_cpu in arm*) LIB_GCC="-lgcc_s" ;; *) ## FIXME? s/gnu-linux.h used to define LIB_GCC as below, then ## immediately undefine it again and redefine it to empty. ## Was the C_SWITCH_X_SITE part really necessary? ## LIB_GCC=`$CC $C_SWITCH_X_SITE -print-libgcc-file-name` LIB_GCC= ;; esac ;; ## Ask GCC where to find libgcc.a. *) LIB_GCC=`$CC -print-libgcc-file-name 2> /dev/null` ;; esac fi dnl if $GCC AC_SUBST(LIB_GCC) ## If we're using X11/GNUstep, define some consequences. if test "$HAVE_X_WINDOWS" = "yes" || test "$HAVE_NS" = "yes"; then AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.]) AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.]) fi AH_TOP([/* GNU Emacs site configuration template file. Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2012 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([ /* On AIX 3 this must be included before any other include file. */ #include #if ! HAVE_ALLOCA # error "alloca not available on this machine" #endif /* 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 /* `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 (it overrides this in its config_opsysfile below). */ #define subprocesses /* Include the os dependent file. */ #ifdef config_opsysfile # include config_opsysfile #endif /* GNUstep needs a bit more pure memory. Of the existing knobs, SYSTEM_PURESIZE_EXTRA seems like the least likely to cause problems. (There is probably a better place to do this, but right now the Cocoa side does this in s/darwin.h and we cannot parallel this exactly since GNUstep is multi-OS. */ #if defined HAVE_NS && defined NS_IMPL_GNUSTEP # define SYSTEM_PURESIZE_EXTRA 30000 #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 #include #include #if __GNUC__ >= 3 /* On GCC 3.0 we might get a warning. */ #define NO_INLINE __attribute__((noinline)) #else #define NO_INLINE #endif #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1)) #define EXTERNALLY_VISIBLE __attribute__((externally_visible)) #else #define EXTERNALLY_VISIBLE #endif #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7) # define ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec)) #else # define ATTRIBUTE_FORMAT(spec) /* empty */ #endif #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4) # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \ ATTRIBUTE_FORMAT ((__gnu_printf__, formatstring_parameter, first_argument)) #else # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \ ATTRIBUTE_FORMAT ((__printf__, formatstring_parameter, first_argument)) #endif /* Some versions of GNU/Linux define noinline in their headers. */ #ifdef noinline #undef noinline #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. */ # define GC_SETJMP_WORKS 1 # endif #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 file should Emacs use? ${opsysfile-none} 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} $LIBGIF" echo " Does Emacs use -lpng? ${HAVE_PNG}" echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}" echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}" echo " Does Emacs use -lgpm? ${HAVE_GPM}" echo " Does Emacs use -ldbus? ${HAVE_DBUS}" echo " Does Emacs use -lgconf? ${HAVE_GCONF}" echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}" echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}" echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}" echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}" 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 toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}" echo if test -n "${EMACSDATA}"; then echo " Environment variable EMACSDATA set to: $EMACSDATA" fi if test -n "${EMACSDOC}"; then echo " Environment variable EMACSDOC set to: $EMACSDOC" fi echo if test "$HAVE_NS" = "yes"; then echo echo "You must run \"${MAKE-make} install\" in order to test the built application. The installed application will go to nextstep/Emacs.app and can be run or moved from there." if test "$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-make} install\" with sudo. The application will fail to run if these resources are not installed." fi echo fi if test "${opsys}" = "cygwin"; then case `uname -r` in 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]]) echo ;; esac fi # Remove any trailing slashes in these variables. [test "${prefix}" != NONE && prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'` test "${exec_prefix}" != NONE && exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`] dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES. dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable dnl (else you get "no `Makefile.am' found for any configure output"). dnl This will work, but you get a config.status that is not quite right dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html). dnl That doesn't have any obvious consequences for Emacs, but on the whole dnl it seems better to just live with the duplication. SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile" AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \ doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \ doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \ leim/Makefile]) dnl test/ is not present in release tarfiles. opt_makefile=test/automated/Makefile if test -f $srcdir/${opt_makefile}.in; then SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile" dnl Again, it's best not to use a variable. Though you can add dnl ", [], [opt_makefile='$opt_makefile']" and it should work. AC_CONFIG_FILES([test/automated/Makefile]) fi dnl admin/ may or may not be present. opt_makefile=admin/unidata/Makefile if test -f $srcdir/${opt_makefile}.in; then SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile" AC_CONFIG_FILES([admin/unidata/Makefile]) fi SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'` AC_SUBST(SUBDIR_MAKEFILES_IN) dnl Make the necessary directories, if they don't exist. AC_CONFIG_COMMANDS([mkdirs], [ for dir in etc lisp ; do test -d ${dir} || mkdir ${dir} done ]) dnl You might wonder (I did) why epaths.h is generated by running make, dnl rather than just letting configure generate it from epaths.in. dnl One reason is that the various paths are not fully expanded (see above); dnl eg gamedir=${prefix}/var/games/emacs. dnl Secondly, the GNU Coding standards require that one should be able dnl to run `make prefix=/some/where/else' and override the values set dnl by configure. This also explains the `move-if-change' test and dnl the use of force in the `epaths-force' rule in Makefile.in. AC_CONFIG_COMMANDS([epaths], [ echo creating src/epaths.h ${MAKE-make} epaths-force ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS"]) AC_CONFIG_COMMANDS([gdbinit], [ if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then echo creating src/.gdbinit echo source $srcdir/src/.gdbinit > src/.gdbinit fi ]) AC_OUTPUT dnl configure.in ends here