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configure.ac
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configure.ac
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dnl# -*- Autoconf -*-
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, 1999-2014 Free Software Foundation, Inc.
dnl# Copyright (C) 2014-2016 Eric Gallager
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 <http://www.gnu.org/licenses/>.
AC_PREREQ([2.69])
dnl# Note this is parsed by (at least) `make-dist` and
dnl# 'lisp/cedet/ede/emacs.el':
AC_INIT([emacs],[24.3.50],[[email protected]],[],
[https://www.gnu.org/software/emacs/])dnl
dnl# We get MINGW64 with MSYS2:
if test "x${MSYSTEM}" = "xMINGW32" -o "x${MSYSTEM}" = "xMINGW64"
then
AC_MSG_NOTICE([sourcing ${srcdir}/nt/mingw-cfg.site])
. ${srcdir}/nt/mingw-cfg.site
case ${srcdir} in
/* | ?:*)
# srcdir is an absolute path. In this case, force the format
# "/c/foo/bar", to simplify later conversions to native Windows
# format ("c:/foo/bar")
srcdir=`cd "${srcdir}" && pwd -W`
srcdir="/${srcdir:0:1}${srcdir:2}"
;;
esac
fi
dnl# Set emacs_config_options to the options of 'configure', quoted for
dnl# the shell, and then quoted again for a C string. Separate options
dnl# with spaces. Add some environment variables, if they were passed via
dnl# the environment rather than on the command-line.
emacs_config_options=""
optsep=""
dnl# This is the documented way to record the args passed to configure,
dnl# rather than ${ac_configure_args}.
for opt in ${1+"$@"} CFLAGS CPPFLAGS LDFLAGS; do
case ${opt} in
-n | --no-create | --no-recursion)
continue ;;
CFLAGS | CPPFLAGS | LDFLAGS)
eval 'test "${'$opt'+set}" = set' || continue
case " $*" in
*" ${opt}="*) continue ;;
esac
eval opt=${opt}=\$$opt ;;
esac
emacs_shell_specials=$IFS\''"#$&()*;<>?@<:@\\`{|~'
case ${opt} in
*[["${emacs_shell_specials}"]]*)
case ${opt} in
*\'*)
emacs_quote_apostrophes="s/'/'\\\\''/g"
opt=`AS_ECHO(["${opt}"]) | sed "${emacs_quote_apostrophes}"` ;;
esac
opt="'${opt}'"
case ${opt} in
*[['"\\']]*)
emacs_quote_for_c='s/[["\\]]/\\&/g; $!s/$/\\n\\/'
opt=`AS_ECHO(["${opt}"]) | sed "${emacs_quote_for_c}"` ;;
esac ;;
esac
AS_VAR_APPEND([emacs_config_options],["${optsep}${opt}"])
optsep=' '
done
AC_CONFIG_HEADERS([src/config.h:src/config.in])
AC_CONFIG_SRCDIR([src/lisp.h])dnl
AC_CONFIG_AUX_DIR([build-aux])dnl
m4_ifdef([AC_REQUIRE_AUX_FILE],[dnl
AC_REQUIRE_AUX_FILE([compile])dnl
AC_REQUIRE_AUX_FILE([depcomp])dnl
AC_REQUIRE_AUX_FILE([missing])dnl
])dnl
dnl# automake 1.13 and later understand this, making -I m4 unnecessary.
dnl# With older versions this is a no-op:
AC_CONFIG_MACRO_DIR([m4])
dnl# "lib" is where gnulib lives, so it makes sense to put libobjs there
dnl# with their sources, but "src" is where the libobjs are actually needed
dnl# (and maybe in "lib-src", too), so I am not sure if either of those
dnl# would be better here:
AC_CONFIG_LIBOBJ_DIR([lib])
if test "x${LIBOBJDIR}" = "x"; then
# The trailing slashes at the end of each of these paths are necessary:
if test "x${ac_abs_top_srcdir}" != "x"; then
test -z "${LIBOBJDIR}" && test -n "${ac_abs_top_srcdir}" && test -d "${ac_abs_top_srcdir}/lib/" && export LIBOBJDIR="${ac_abs_top_srcdir}/lib/"
elif test "x${ac_top_srcdir}" != "x"; then
test -z "${LIBOBJDIR}" && test -n "${ac_top_srcdir}" && test -d "${ac_top_srcdir}/lib/" && export LIBOBJDIR="${ac_top_srcdir}/lib/"
elif test "x${srcdir}" = "x."; then
# the check for srcdir is not to actually use it, but to verify that
# `pwd` will work:
test -z "${LIBOBJDIR}" && test -n "`pwd`" && test -d "`pwd`/lib/" && export LIBOBJDIR="`pwd`/lib/"
else
test -z "${LIBOBJDIR}"
AC_MSG_WARN([cannot figure out how to export a decent value for LIBOBJDIR])
fi
fi
AC_SUBST([ac_abs_top_srcdir])dnl
AC_SUBST([ac_top_srcdir])dnl
AC_SUBST([LIBOBJDIR])dnl
dnl# do similarly with SRCROOT:
if test "x${SRCROOT}" = "x"; then
if test "x${ac_abs_top_srcdir}" != "x"; then
test -z "${SRCROOT}" && test -n "${ac_abs_top_srcdir}" && export SRCROOT="${ac_abs_top_srcdir}"
elif test "x${ac_top_srcdir}" != "x"; then
test -z "${SRCROOT}" && test -n "${ac_top_srcdir}" && export LIBOBJDIR="${SRCROOT}"
elif test "x${srcdir}" = "x."; then
# the check for srcdir is not to actually use it, but to verify that
# `pwd` will work:
test -z "${SRCROOT}" && test -n "`pwd`" && export SRCROOT="`pwd`"
else
test -z "${SRCROOT}"
AC_MSG_WARN([cannot figure out how to export a good value for SRCROOT])
fi
fi
AC_SUBST([SRCROOT])dnl
xcsdkdir=""
AC_CHECK_PROGS([XCRUN],[xcrun])
if test -n "${XCRUN}"; then
if test -z "${MAKE}"; then
dnl# Call the variable MAKE_PROG, not MAKE, to avoid confusion with
dnl# SET_MAKE and with the usual MAKE variable that 'make' itself uses.
AC_CHECK_PROG([MAKE_PROG],[make],[yes])
if test -z "${MAKE_PROG}"; then
MAKE="${XCRUN} MAKE"
export MAKE
xcsdkdir="`${XCRUN} --show-sdk-path 2>/dev/null`"
AC_MSG_NOTICE([xcsdkdir is "${xcsdkdir}"])
AC_SUBST([xcsdkdir])
else
test -n "${MAKE_PROG}" && test -x "${MAKE_PROG}"
AC_MSG_NOTICE([no need to find xcsdkdir when we already have a working 'make' program (i.e. '${MAKE_PROG}')])
fi
fi
else
if test -z "${MAKE}"; then
dnl# since we do NOT have xcrun in this case, we can check more names
dnl# for 'make' than just what xcrun knows about:
AC_CHECK_PROGS([MAKE_PROG],[make gmake gnumake remake])
fi
fi
dnl# trunk requires GNU Make, so do NOT test for its individual features:
if test "x${am_cv_make_support_nested_variables}" = "x"; then
test -z "${am_cv_make_support_nested_variables}" && am_cv_make_support_nested_variables=yes
fi ##end cache value check
m4_ifdef([AC_PROG_MAKE_SET],[
dnl# trunk would normally override the definition, but I do not feel
dnl# comfortable doing that yet...
test -z "${ac_cv_prog_make_make_set}"
],[
AC_DEFUN([AC_PROG_MAKE_SET],[
if test "x${SET_MAKE}" = "x"; then
## actually this is redundant:
SET_MAKE=""
AC_SUBST([SET_MAKE])dnl
## ...but whatever...
fi ##end check for SET_MAKE
])dnl#end (re)defun of macro
])dnl# end ifdef
dnl# Check for GNU Make and possibly set MAKE before initializing automake:
[emacs_check_gnu_make ()
{
emacs_makeout=`($1 --version) 2>/dev/null` &&
case ${emacs_makeout} in
'GNU Make '3.8[1-9]* | 'GNU Make '3.9[0-9]* | \
'GNU Make '3.[1-9][0-9][0-9]* | 'GNU Make '[4-9]* | 'GNU Make '[1-9][0-9]* )
ac_path_MAKE_found=:;;
esac
}]
AC_CACHE_CHECK([for GNU Make],[emacs_cv_path_gnu_MAKE],
[ac_path_MAKE_found=false
if test -n "${MAKE}"; then
emacs_check_gnu_make "${MAKE}"
emacs_cv_path_gnu_MAKE="${MAKE}"
else
emacs_tried_make=false
emacs_tried_gmake=false
emacs_tried_gnumake=false
AC_PATH_PROGS_FEATURE_CHECK([MAKE],[make gmake gnumake remake],
[[emacs_check_gnu_make "${ac_path_MAKE}"
if ${ac_path_MAKE_found}; then
# Use the fully-qualified program name only if the basename
# would not resolve to it.
if eval \$emacs_tried_$ac_prog; then
emacs_cv_path_gnu_MAKE="${ac_path_MAKE}"
else
emacs_cv_path_gnu_MAKE="${ac_prog}"
fi
fi
eval emacs_tried_$ac_prog=:]])
fi])
${ac_path_MAKE_found} || {
AC_MSG_WARN([[Building Emacs will require GNU Make, at least version 3.81.
If you have it installed under another name, configure with 'MAKE=...'.
For example, run '$0 MAKE=gnu-make'.]])
}
if test "x${emacs_cv_path_gnu_MAKE}" != "x" && test "x${MAKE}" = "x"; then
test -z "${MAKE}"
test -n "${emacs_cv_path_gnu_MAKE}" && MAKE="${emacs_cv_path_gnu_MAKE}"
export MAKE
else
test -n "${MAKE}" || test -z "${emacs_cv_path_gnu_MAKE}"
fi
dnl# Automake version is fairly arbitrary, older versions might work too:
AC_MSG_CHECKING([automake things])
AC_MSG_RESULT([automake automake automake...])
unset am_cv_make_support_nested_variables
AM_INIT_AUTOMAKE([1.11.6 gnits tar-pax dist-bzip2 -Wno-cross])
AM_MAINTAINER_MODE
dnl# Support for --program-prefix, --program-suffix and
dnl# --program-transform-name options
dnl# (I thought that this would already have been called by automake?)
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'
standardlisppath='${lispdir}'
locallisppath='${datadir}/emacs/${version}/site-lisp:'\
'${datadir}/emacs/site-lisp'
lisppath='${locallisppath}:${standardlisppath}'
etcdir='${datadir}/emacs/${version}/etc'
archlibdir='${libexecdir}/emacs/${version}/${configuration}'
etcdocdir='${datadir}/emacs/${version}/etc'
gamedir='${localstatedir}/games/emacs'
dnl# Special option to disable the most of other options.
AC_ARG_WITH([all],
[AS_HELP_STRING([--without-all],
[omit almost all features and build
small executable with minimal dependencies])],
[with_features="${withval}"],
[with_features=yes])dnl
dnl# the definitions of the option checking macros have been moved to:
m4_include([m4/options.m4])dnl
OPTION_DEFAULT_ON([pop],[do NOT support POP mail retrieval with movemail])
if test "x${with_pop}" = "xyes"; 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 "x${with_kerberos}" != "xno"; then
AC_DEFINE([KERBEROS])
fi
AH_TEMPLATE([KERBEROS],
[Define to support Kerberos-authenticated POP mail retrieval.])dnl
OPTION_DEFAULT_OFF([kerberos5],
[support Kerberos version 5 authenticated POP])
if test "x${with_kerberos5}" != "xno"; then
if test "x${with_kerberos}" = "xno"; then
with_kerberos=yes
AC_DEFINE([KERBEROS])
fi
AC_DEFINE([KERBEROS5],[1],
[Define to use Kerberos 5 instead of Kerberos 4.])
fi
OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
dnl# FIXME: hesiod support may not be present, so it seems like an error
dnl# to define, or at least use, this unconditionally.
if test "x${with_hesiod}" != "xno"; then
AC_DEFINE([HESIOD],[1],
[Define to 1 to support using a Hesiod database to find a POP server])
fi
OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
if test "x${with_mmdf}" != "xno"; then
AC_DEFINE([MAIL_USE_MMDF],[1],
[Define to 1 to support MMDF mailboxes in movemail.])
fi
OPTION_DEFAULT_OFF([mail-unlink],
[unlink, rather than empty, mail spool after reading])
if test "x${with_mail_unlink}" != "xno"; then
AC_DEFINE([MAIL_UNLINK_SPOOL],[1],
[Define to 1 to unlink (vs. empty) the 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],["${withval}"],
[String giving fallback POP mail host.])
])dnl
AC_ARG_WITH([sound],[AS_HELP_STRING([--with-sound=VALUE],
[compile with sound support (VALUE one of: yes, alsa, oss, bsd-ossaudio,
no; default yes). Only for GNU/Linux, FreeBSD, NetBSD, MinGW.])],
[ case "${withval}" in
yes|no|alsa|oss|bsd-ossaudio) val="${withval}" ;;
*) AC_MSG_ERROR([`--with-sound=${withval}' is invalid;
this option's value should be `yes', `no', `alsa', `oss', or `bsd-ossaudio'.])
;;
esac
with_sound="${val}"
],[with_sound="${with_features}"])dnl
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 file name of X, and it is best to
dnl# keep them together visually.
AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
[use KIT as an X toolkit for the emacs GUI
(KIT may be one of: yes or gtk, gtk2, gtk3, lucid or athena, motif, no)
(this option may also have seemingly unrelated side-effects)])],
[ case "${withval}" in
y | ye | yes ) val=gtk ;;
n | no ) val=no ;;
l | lu | luc | luci | lucid ) val=lucid ;;
a | at | ath | athe | athen | athena ) val=athena ;;
m | mo | mot | moti | motif ) val=motif ;;
g | gt | gtk ) val=gtk ;;
gtk2 ) val=gtk2 ;;
gtk3 ) val=gtk3 ;;
* )
AC_MSG_ERROR([`--with-x-toolkit=${withval}' is invalid;
this option's value should be `yes', `no', `lucid', `athena', `motif',
`gtk', `gtk2' or `gtk3'. `yes' and `gtk' are synonyms.
`athena' and `lucid' are synonyms.])
;;
esac
with_x_toolkit="${val}"
])dnl
OPTION_DEFAULT_OFF([wide-int],
[prefer wide Emacs integers (typically 62-bit)])
if test "x${with_wide_int}" = "xyes"; 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 "do NOT compile", etc.
OPTION_DEFAULT_ON([xpm],[do NOT compile with XPM image support])
OPTION_DEFAULT_ON([jpeg],[do NOT compile with JPEG image support])
OPTION_DEFAULT_ON([tiff],[do NOT compile with TIFF image support])
OPTION_DEFAULT_ON([gif],[do NOT compile with GIF image support])
OPTION_DEFAULT_ON([png],[do NOT compile with PNG image support])
OPTION_DEFAULT_ON([rsvg],[do NOT compile with SVG image support])
OPTION_DEFAULT_ON([xml2],[do NOT compile with XML parsing support])
OPTION_DEFAULT_ON([imagemagick],
[do NOT compile with ImageMagick image support])dnl
OPTION_DEFAULT_ON([xft],[do NOT use XFT for anti aliased fonts])
OPTION_DEFAULT_ON([libotf],[do NOT use libotf for OpenType font support])
OPTION_DEFAULT_ON([m17n-flt],[do NOT use m17n-flt for text shaping])dnl
OPTION_DEFAULT_ON([toolkit-scroll-bars],
[do NOT use Motif or Xaw3d scroll bars])
OPTION_DEFAULT_ON([xaw3d],[do NOT use Xaw3d])dnl
OPTION_DEFAULT_ON([xim],[do NOT use X11 XIM])dnl
OPTION_DEFAULT_OFF([carbon],
[use Carbon (classic Mac OS and old versions of OS X) windowing system])
AC_ARG_ENABLE([carbon-app],
[AS_HELP_STRING([[--enable-carbon-app[=DIR] [DIR=/Applications]]],
[specify install directory for Emacs.app on Mac OS X])],
[carbon_appdir_x=${enableval}])
OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
OPTION_DEFAULT_OFF([w32],[use native MS Windows GUI in a Cygwin build])dnl
OPTION_DEFAULT_ON([gpm],
[do NOT use -lgpm for mouse support on a GNU/Linux console])
OPTION_DEFAULT_ON([dbus],[do NOT compile with D-Bus support])
OPTION_DEFAULT_ON([gconf],[do NOT compile with GConf support])
OPTION_DEFAULT_ON([gsettings],[do NOT compile with GSettings support])
OPTION_DEFAULT_ON([selinux],[do NOT compile with SELinux support])
OPTION_DEFAULT_ON([gnutls],[do NOT use -lgnutls for SSL/TLS support])
OPTION_DEFAULT_ON([zlib],
[do NOT compile with zlib decompression support])dnl
AC_ARG_ENABLE([xasserts],
[AS_HELP_STRING([--enable-xasserts],[compile code with xasserts enabled])],
[USE_XASSERTS=${enableval}],
[USE_XASSERTS=no])dnl
dnl# (we use the official automake macro for our maintainer-mode flag)
AC_ARG_WITH([file-notification],
[AS_HELP_STRING([--with-file-notification=LIB],
[use a file notification library (LIB one of: yes, gfile, inotify, w32, no)])],
[ case "${withval}" in
y | ye | yes ) val=yes ;;
n | no ) val=no ;;
g | gf | gfi | gfil | gfile ) val=gfile ;;
i | in | ino | inot | inoti | inotif | inotify ) val=inotify ;;
w | w3 | w32 ) val=w32 ;;
* ) AC_MSG_ERROR([`--with-file-notification=${withval}' is invalid;
this option's value should be `yes', `no', `gfile', `inotify' or `w32'.
`yes' is a synonym for `w32' on MS-Windows, for `no' on Nextstep/darwin,
otherwise for the first of `gfile' or `inotify' that is usable.])
;;
esac
with_file_notification="${val}"
],[with_file_notification="${with_features}"])dnl
## For the times when you want to build Emacs but do NOT 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],
[do NOT require makeinfo for building manuals])dnl
## This might be a 'configure' arg.
AC_ARG_VAR([ACLOCAL_PATH],
[Where aclocal should look for autoconf macros.
Only used when regenerating the build system.])dnl
AC_SUBST([ACLOCAL_PATH])dnl
## Makefile.in needs the cache file name.
AC_SUBST([cache_file])dnl
## 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-install],
[do NOT compress some files (.el, .info, etc.) when installing. Equivalent to:
make GZIP_PROG="" install])dnl
AC_ARG_WITH([pkg-config-prog],dnl
[AS_HELP_STRING([--with-pkg-config-prog=FILENAME],
[file name of pkg-config for finding GTK and librsvg])])
if test "X${with_pkg_config_prog}" != "X"; then
if test "X${with_pkg_config_prog}" != "Xyes"; then
PKG_CONFIG="${with_pkg_config_prog}"
fi
fi
AC_ARG_WITH([gameuser],dnl
[AS_HELP_STRING([--with-gameuser=USER],
[user for shared game score files])])
test "X${with_gameuser}" != "X" && test "X${with_gameuser}" != "Xyes" \
&& gameuser="${with_gameuser}"
test "X${gameuser}" = "X" && gameuser=games
AC_ARG_WITH([gnustep-conf],dnl
[AS_HELP_STRING([--with-gnustep-conf=FILENAME],
[name of GNUstep.conf; default ${GNUSTEP_CONFIG_FILE}, or /etc/GNUstep/GNUstep.conf])])
test "X${with_gnustep_conf}" != "X" && test "X${with_gnustep_conf}" != "Xyes" && \
GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
test "X${GNUSTEP_CONFIG_FILE}" = "X" && \
GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
AC_ARG_ENABLE([ns-self-contained],
[AS_HELP_STRING([--disable-ns-self-contained],
[disable self-contained build of Cocoa app under NeXTstep/darwin])],
[EN_NS_SELF_CONTAINED="${enableval}"],
[EN_NS_SELF_CONTAINED=yes])dnl
AC_ARG_ENABLE([locallisppath],
[AS_HELP_STRING([--enable-locallisppath=PATH],
[directories Emacs should search for lisp files specific
to this site])],[
if test "x${enableval}" = "xno"; then
locallisppath=""
elif test "x${enableval}" != "xyes"; then
locallisppath="${enableval}"
else
m4_ifdef([AM_PATH_LISPDIR],[dnl
AM_PATH_LISPDIR
],[
test -n "${lispdir}" && test -d "${lispdir}" && test -r "${lispdir}" && stat "${lispdir}"
])
if test "x${locallisppath}" = "x"; then
test -z "${locallisppath}" && test -n "${lispdir}" && locallisppath="${lispdir}"
fi
fi
])dnl
AC_ARG_ENABLE([checking],
[AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
[enable expensive run-time checks. By supplying
a comma-separated list of checks in LIST,
enable only specific categories of checks.
Categories are: all,yes,no.
Flags are: stringbytes, stringoverrun, stringfreelist,
xmallocoverrun, conslist, glyphs])],
[ac_checking_flags="${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
# only print this message after we have had a chance to error out:
AC_MSG_NOTICE([enabled runtime checks of category ${check}])
done
IFS="${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
dnl# this one seems to cause the most slowdown:
AC_DEFINE([GC_CHECK_CONS_LIST],[1],
[Define this to check for errors in cons list.])
fi
if test "x${ac_glyphs_debug}" != "x"; then
AC_DEFINE([GLYPH_DEBUG],[1],
[Define this to enable glyphs debugging code.])
fi
AC_ARG_ENABLE([check-lisp-object-type],
[AS_HELP_STRING([--enable-check-lisp-object-type],
[enable compile time checks for the Lisp_Object data type.
This is useful for development for catching certain types
of bugs by turning them into build errors.])],
[if test "x${enableval}" != "xno"; then
AC_DEFINE([CHECK_LISP_OBJECT_TYPE],[1],
[Define this to enable compile time checks for the Lisp_Object data type.])
fi
])dnl
dnl# The name of this option is unfortunate. It predates, and has no
dnl# relation to, the "sampling-based elisp profiler" added in 24.3.
dnl# Actually, it stops it working.
dnl# http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
AC_ARG_ENABLE([profiling],
[AS_HELP_STRING([--enable-profiling],
[build emacs with low-level, gprof profiling support.
Mainly useful for debugging Emacs itself. May not work on
all platforms. Stops profiler.el working.])],
[ac_enable_profiling="${enableval}"],[])
if test "x${ac_enable_profiling}" != "x"; then
PROFILING_CFLAGS="-DPROFILING=1 -pg"
PROFILING_CFLAGS_TEMACS="-fprofile-generate"
PROFILING_CFLAGS_BOOTSTRAP_EMACS="-fprofile-use"
else
PROFILING_CFLAGS=""
PROFILING_CFLAGS_TEMACS=""
PROFILING_CFLAGS_BOOTSTRAP_EMACS=""
fi
AC_SUBST([PROFILING_CFLAGS])dnl
AC_SUBST([PROFILING_CFLAGS_TEMACS])dnl
AC_SUBST([PROFILING_CFLAGS_BOOTSTRAP_EMACS])dnl
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="${enableval}"],[ac_enable_autodepend=yes])dnl
AC_ARG_ENABLE([gtk-deprecation-warnings],
[AS_HELP_STRING([--enable-gtk-deprecation-warnings],
[Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
[ac_enable_gtk_deprecation_warnings="${enableval}"],[])dnl
###########################################################################
#### Make srcdir absolute, if it is NOT already. It is 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.
old_srcdir_value=""
if test "x${srcdir}" != "x"; then
test -n "${srcdir}" && export old_srcdir_value="${srcdir}"
else
export old_srcdir_value="."
fi
AC_SUBST([old_srcdir_value])dnl
## Make sure CDPATH does NOT affect cd (in case PWD is relative):
unset CDPATH
case "${srcdir}" in
/* ) ;;
. )
## We may be able to use the ${PWD} environment variable to make this
## absolute. But sometimes PWD is inaccurate.
## Note: we used to use ${PWD} at the end instead of `pwd`,
## but that tested only for a well-formed and valid PWD,
## it did not object when PWD was well-formed and valid but just wrong.
if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`";
then
srcdir="${PWD}"
else
srcdir="`(cd ${srcdir}; pwd)`"
fi
;;
* ) srcdir="`(cd ${srcdir}; pwd)`" ;;
esac
#### Check if the source directory already has a configured system in it.
if test "x`pwd`" != "x`(cd ${srcdir} && pwd)`" \
&& test -f "${srcdir}/src/config.h" ; then
AC_MSG_WARN([[The directory tree `${srcdir}' is being used
as a build directory right now; it has been configured in its own
right. To configure in another directory as well, you MUST
use GNU make. If you do not have GNU make, then you must
now do `make distclean' in ${srcdir},
and then run $0 again.]])
fi
### Check for grep before using it:
dnl# The definition of the macro for it has been moved to:
m4_include([m4/grep.m4])dnl
AC_REQUIRE_GREPS
### and also sed, even though we have already used it:
AC_DEFUN([AC_REQUIRE_SED],[
AC_REQUIRE([AC_PROG_SED])dnl
])dnl# end defun
AC_REQUIRE_SED
#### Given the configuration name, set machfile and opsysfile to the
#### names of the m/*.h and s/*.h files we should use.
### Canonicalize the configuration name.
AC_MSG_CHECKING([canonical system])
AC_MSG_RESULT([systems systems systems...])dnl
AC_CANONICAL_HOST
canonical="${host}"
configuration=${host_alias-${build_alias-$host}}
if test -z "${HOST_ARCHITECTURE}" -a -n "${host_cpu}"; then
export HOST_ARCHITECTURE="${host_cpu}"
AC_SUBST([HOST_ARCHITECTURE])
fi
if test -z "${RC_ARCHS}"; then
if test -n "${HOST_ARCHITECTURE}"; then
export RC_ARCHS="${HOST_ARCHITECTURE}"
fi
if test -n "${TARGET_ARCHITECTURE}" -a "x${HOST_ARCHITECTURE}" != "x${TARGET_ARCHITECTURE}"; then
export RC_ARCHS="${RC_ARCHS} ${TARGET_ARCHITECTURE}"
fi
fi
AC_SUBST([RC_ARCHS])dnl
# For later:
if test "x${acl_cv_wp}" = "x"; then
test -z "${acl_cv_wp}" && export acl_cv_wp='-Wp,'
fi
AC_SUBST([acl_cv_wp])dnl
dnl# This used to use changequote, but, apart from `changequote is evil'
dnl# per the autoconf manual, we can speed up autoconf somewhat by quoting
dnl# the great gob of text. Thus it is not processed for possible
dnl# expansion.
dnl# Just make sure the brackets remain balanced.
dnl#
dnl# Since Emacs cannot find matching pairs of quotes, boundaries are
dnl# indicated by comments.
dnl# this batch of m4-quotation (block 1) begins:
[
### If you add support for a new configuration, add code to this
### switch statement to recognize your configuration name and select
### the appropriate opsys.
### Try to keep things at least somewhat alphabetical.
### You would hope that you could choose an m/*.h file pretty much
### based on the machine portion of the configuration name, and an s-
### file based on the operating system portion. However, it turns out
### that each m/*.h file is pretty manufacturer-specific - for
### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
### machines. So we basically have to have a special case for each
### configuration name.
###
### As far as handling version numbers on operating systems is
### concerned, make sure things will fail in a fixable way. If
### /etc/MACHINES does NOT say anything about version numbers, be
### prepared to handle anything reasonably. If version numbers
### matter, be sure /etc/MACHINES says something about it.
###
### Eric Raymond says we should accept strings like "sysvr4" to mean
### "System V Release 4"; he writes, "The old convention encouraged
### confusion between `system' and `release' levels'."
machine='' opsys='' unported=no unofficially_ported=no
## FIXME: still needs to be used in more places:
opsys_family=''
## This next string ends a sentence, and should end with a period:
unofficial_port_warning_reason='no reason.'
case "${canonical}" in
## GNU/Linux and similar ports:
*-*-linux* )
opsys=gnu-linux
case "${canonical}" in
alpha*-*-linux*) machine=alpha ;;
ia64-*-linux*) machine=ia64 ;;
sparc64-*-linux*) machine=sparc ;;
powerpc-*-linux*) machine=powerpc ;;
i[3456]86-*-linux*) machine=intel386 ;;
amd64-*-linux*|x86_64-*-linux*) machine=amdx86-64 ;;
esac
;;
## FreeBSD ports:
*-*-freebsd* )
opsys=freebsd
case "${canonical}" in
alpha*-*-freebsd*) machine=alpha ;;
ia64-*-freebsd*) machine=ia64 ;;
sparc64-*-freebsd*) machine=sparc ;;
powerpc-*-freebsd*) machine=macppc ;;
i[3456]86-*-freebsd*) machine=intel386 ;;
amd64-*-freebsd*|x86_64-*-freebsd*) machine=amdx86-64 ;;
esac
opsys_family=bsd
;;
## DragonFly ports:
*-*-dragonfly* )
opsys=dragonfly
opsys_family=bsd
;;
## FreeBSD kernel + glibc based userland:
*-*-kfreebsd*gnu* )
opsys=gnu-kfreebsd
opsys_family=bsd
;;
## NetBSD ports:
*-*-netbsd* )
opsys=netbsd
if test -f /usr/lib/crti.o; then]
dnl# The close and open brackets here are because this section is quoted --
dnl# see the `changequote' comment above.
AC_DEFINE([HAVE_CRTIN],[1],
[Define to 1 if you have the file "/usr/lib/crti.o".])
[ fi
case "${canonical}" in
alpha*-*-netbsd*) machine=alpha ;;
i[3456]86-*-netbsd*) machine=intel386 ;;
m68k-*-netbsd*)
# This is somewhat bogus.
machine=hp9000s300 ;;
mips-*-netbsd*) machine=pmax ;;
mipsel-*-netbsd*) machine=pmax ;;
mipseb-*-netbsd*) machine=pmax ;;
ns32k-*-netbsd*) machine=ns32000 ;;
powerpc-*-netbsd*) machine=macppc ;;
sparc*-*-netbsd*) machine=sparc ;;
vax-*-netbsd*) machine=vax ;;
arm-*-netbsd*) machine=arm ;;
x86_64-*-netbsd*) machine=amdx86-64 ;;
hppa-*-netbsd*) machine=hp800 ;;
shle-*-netbsd*) machine=sh3el ;;
esac
opsys_family=bsd
;;
## OpenBSD ports:
*-*-openbsd* | *-*-mirbsd* )
opsys=openbsd
case "${canonical}" in
alpha*-*-openbsd*) machine=alpha ;;
arm-*-openbsd*) machine=arm ;;
hppa-*-openbsd*) machine=hp9000s300 ;;
i386-*-openbsd*) machine=intel386 ;;
m68k-*-openbsd*) machine=hp9000s300 ;;
m88k-*-openbsd*) machine=aviion ;;
mips64-*-openbsd*) machine=mips64 ;;
powerpc-*-openbsd*) machine=macppc ;;
sh-*-openbsd*) machine=sh3el ;;
sparc*-*-openbsd*) machine=sparc ;;
vax-*-openbsd*) machine=vax ;;
x86_64-*-openbsd*) machine=amdx86-64 ;;
esac
opsys_family=bsd
;;
## LynxOS ports:
*-*-lynxos* )
opsys=lynxos
case "${canonical}" in
i[3456]86-*-lynxos*) machine=intel386 ;;
powerpc-*-lynxos*) machine=powerpc ;;
esac
unofficially_ported=yes
unofficial_port_warning_reason="${opsys} is old and deprecated."
;;
## Acorn RISCiX:
arm-acorn-riscix1.1* )
machine=acorn
opsys=riscix1-1
opsys_family=riscix
unofficially_ported=yes
unofficial_port_warning_reason="${opsys} on ${machine} is old and deprecated."
;;
arm-acorn-riscix1.2* | arm-acorn-riscix )
## This name is riscix12 instead of riscix1.2
## to avoid a file name conflict on MSDOS.
machine=acorn
opsys=riscix12
opsys_family=riscix
unofficially_ported=yes
unofficial_port_warning_reason="${opsys} on ${machine} is old and deprecated."
;;
## BSDI ports:
*-*-bsdi* )
opsys=bsdi
case "${canonical}" in
i[345]86-*-bsdi*) machine=intel386 ;;
sparc-*-bsdi*) machine=sparc ;;
powerpc-*-bsdi*) machine=macppc ;;
esac
case "${canonical}" in
*-*-bsd386* | *-*-bsdi1* ) opsys=bsd386 ;;
*-*-bsdi2.0* ) opsys=bsdos2 ;;
*-*-bsdi2* ) opsys=bsdos2-1 ;;
*-*-bsdi3* ) opsys=bsdos3 ;;
*-*-bsdi[45]* ) opsys=bsdos4 ;;
esac
opsys_family=bsd
unofficially_ported=yes
unofficial_port_warning_reason="${opsys} is old and deprecated."
;;
## Alliant machines.
## Strictly speaking, we need the version of the alliant operating
## system to choose the right machine file, but currently the
## configuration name does NOT tell us enough to choose the right
## one; we need to give alliants their own operating system name to
## do this right. When someone cares, they can help us.
fx80-alliant-* )
machine=alliant4 opsys=bsd4-2
opsys_family=bsd
unofficially_ported=yes
unofficial_port_warning_reason="it is hard to choose the correct machine file for alliant systems as it does not have its own operating system name and nobody cares about it."
;;
i860-alliant-* )
machine=alliant-2800 opsys=bsd4-3
opsys_family=bsd
unofficially_ported=yes
unofficial_port_warning_reason="it is hard to choose the correct machine file for alliant systems as it does not have its own operating system name and nobody cares about it."
;;
## Alpha (DEC) machines.
alpha*-dec-osf* )
machine=alpha
opsys=osf1
# This is needed to find X11R6.1 libraries for certain tests.
NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
# NON_GNU_CPP is necessary on 5.0 to avoid mangling src/Makefile
# due to non-traditional preprocessing with the current compiler
# defaults. OSF 4 can also have that compiler version, and there
# seems always to have been a usable /usr/bin/cpp.
NON_GNU_CPP=/usr/bin/cpp
case "${canonical}" in
alpha*-dec-osf[5-9]*)
opsys=osf5-0 ;;
esac
opsys_family=osf
unofficially_ported=yes
unofficial_port_warning_reason="${opsys} on ${machine} is old and deprecated."
;;
alpha*-*-linux-gnu* )
machine=alpha
opsys=gnu-linux
unofficially_ported=yes
unofficial_port_warning_reason="this case (${opsys} on ${machine}) was reached in a deprecated way; all gnu-linux machines should have been handled at the top."
;;
arm*-*-linux-gnu* )
machine=arm
opsys=gnu-linux
unofficially_ported=yes
unofficial_port_warning_reason="this case (${opsys} on ${machine}) was reached in a deprecated way; all gnu-linux machines should have been handled at the top."
;;
## Altos 3068:
m68*-altos-sysv* )
machine=altos
opsys=usg5-2
unofficially_ported=yes
unofficial_port_warning_reason="${opsys} on ${machine} is old and deprecated."
;;
## Amdahl UTS:
580-amdahl-sysv* )
machine=amdahl
opsys=usg5-2-2
unofficially_ported=yes
unofficial_port_warning_reason="${opsys} on ${machine} is old and deprecated."
;;
## Apollo, Domain/OS:
m68*-apollo-* )
machine=apollo
opsys=bsd4-3
unofficially_ported=yes
unofficial_port_warning_reason="${opsys} on ${machine} is old and deprecated."
;;
## Apple Darwin / Mac OS X:
*-apple-darwin* )
case "${canonical}" in
i[3456]86-* ) machine=intel386 ;;
powerpc-* ) machine=powermac ;;
x86_64-* ) machine=amdx86-64 ;;
arm-*) machine=arm ;;
aarch64-*) machine=aarch64 ;;
mac-apple-darwin* ) machine=mac;;
*-apple-darwin[0-9].*)
unofficially_ported=yes
unofficial_port_warning_reason="upstream has dropped support for ${opsys}, but this fork will still attempt to support it."
;;
* ) unported=yes ;;
esac
opsys=darwin
# It used to be necessary to define CPP as follows to make autoconf
# work correctly. However, this flag is old and deprecated, so put it
# in an unused variable:
CPP_NO_PRECOMP="${CC-cc} -E -no-cpp-precomp"
DEFAULT_FINK_PREFIX="/sw"
if test -d /opt/sw -a -r /opt/sw -a -e /opt/sw/bin/fink; then
DEFAULT_FINK_PREFIX="/opt/sw"
fi
## Use Fink packages if available.
## FIXME: find a better way to do this: http://debbugs.gnu.org/11507
## How about ony doing it if a Fink-specific environment variable is
## present? Like this:
if test "x${DBUS_FINK_SESSION_BUS_SOCKET}" != "x"; then
## force check for Fink in its default prefix, because a Fink in a
## non-default prefix may be mis-configured:
if test -x "${DEFAULT_FINK_PREFIX}"/bin/fink; then
echo "Found installation of Fink in its default prefix; checking to see if we should use packages from it..."
FINK_ARCH="`"${DEFAULT_FINK_PREFIX}"/bin/fink --version --quiet | grep Distribution | cut -d\, -f3 | tr -d [:blank:]`"
CANONICAL_ARCH="`echo ${canonical} | cut -d\- -f1`"
if test "x${FINK_ARCH}" = "x${CANONICAL_ARCH}"; then
if test -d "${DEFAULT_FINK_PREFIX}"/include && test -d "${DEFAULT_FINK_PREFIX}"/lib; then