[#### Configuration script for XEmacs. Largely divergent from FSF.
#### Guess values for system-dependent variables and create Makefiles.
#### Generated automatically using autoconf version] AC_ACVERSION [
-#### Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc.
+#### Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
#### Copyright (C) 1993-1995 Board of Trustees, University of Illinois.
#### Copyright (C) 1996, 1997 Sun Microsystems, Inc.
#### Copyright (C) 1995, 1996 Ben Wing.
+#### Copyright (C) 2000, 2001 Martin Buchholz.
#### Copyright (C) 1998, 1999 J. Kean Johnston.
### Don't edit this script!
### To rebuild it, execute the command
### autoconf
### in the this directory. You must have autoconf version 2.13 or later.
+### Note: this script has not yet been ported to autoconf version 2.5x.
### This file is part of XEmacs.
dnl here is how XEmacs is different:
dnl - no cache file
dnl - non-standard options
-dnl - suport for extra-verbosity
+dnl - support for extra-verbosity
dnl - ordinary libs are handled separately from X libs (might be a mistake)
dnl - various random kludges (e.g. -with-dnet=no)
dnl redefine AC_CHECK_LIB in accordance with our own value of ac_link
dnl Add in extra kludgy check to support with_dnet=no
-dnl Add in extra LDFLAGS arg, which PRECEDE libs
+dnl Add in extra LDFLAGS arg, which PRECEDES libs
dnl Support --with-dnet=no
dnl AC_CHECK_LIB(LIBRARY, FUNCTION [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND
dnl ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&AC_FD_CC'
xe_cppflags='$CPPFLAGS $c_switch_site $c_switch_machine $c_switch_system $c_switch_x_site $X_CFLAGS'
xe_ldflags='$LDFLAGS $ld_switch_site $ld_switch_machine $ld_switch_system $ld_switch_x_site $ld_switch_run'
-xe_libs='$ld_call_shared $xe_check_libs $X_EXTRA_LIBS $libs_x $X_PRE_LIBS $LIBS $libs_machine $libs_system $libs_standard'
+xe_libs='$ld_call_shared $xe_check_libs $X_EXTRA_LIBS $libs_x $libs_gtk $X_PRE_LIBS $LIBS $libs_machine $libs_system $libs_standard'
ac_cpp='$CPP '"$xe_cppflags"
ac_compile='${CC-cc} -c $CFLAGS '"$xe_cppflags"' conftest.$ac_ext 1>&AC_FD_CC'
ac_link='${CC-cc} -o conftest $CFLAGS '"$xe_cppflags $xe_ldflags"' conftest.$ac_ext '"$xe_libs"' 1>&AC_FD_CC'
x_includes=NONE
x_libraries=NONE
-dnl Installation directory options.
-dnl These are left unexpanded so users can "make install exec_prefix=/foo"
-dnl and all the variables that are supposed to be based on exec_prefix
-dnl by default will actually change.
-dnl Use braces instead of parens because sh, perl, etc. also accept them.
-dnl If you change these, you need to synchronize with the settings of the
-dnl various ..._USER_DEFINED variables further down.
-bindir='${exec_prefix}/bin'
-sbindir='${exec_prefix}/sbin'
-libexecdir='${exec_prefix}/libexec'
-datadir='${prefix}/share'
-sysconfdir='${prefix}/etc'
-sharedstatedir='${prefix}/com'
-localstatedir='${prefix}/var'
-libdir='${{exec_prefix}}/lib'
-includedir='${prefix}/include'
-oldincludedir='/usr/include'
-infodir='${prefix}/info'
-mandir='${prefix}/man'
-
dnl Initialize some other variables.
subdirs=
MFLAGS= MAKEFLAGS=
infopath=''
install_pp=''
lispdir='${datadir}/${instvardir}/lisp'
-moduledir='${datadir}/${instvardir}/${configuration}/modules'
+moduledir='${libdir}/${instvardir}/${configuration}/modules'
sitelispdir='${datadir}/${inststaticdir}/site-lisp'
-sitemoduledir='${datadir}/${inststaticdir}/site-modules'
+sitemoduledir='${libdir}/${inststaticdir}/site-modules'
pkgdir='${datadir}/${instvardir}/lisp'
package_path=''
etcdir='${datadir}/${instvardir}/etc'
-archlibdir='${datadir}/${instvardir}/${configuration}'
+archlibdir='${libdir}/${instvardir}/${configuration}'
docdir='${archlibdir}'
+with_netinstall="no"
with_prefix='yes'
with_site_lisp='no'
with_site_modules='yes'
with_dialogs=''
with_file_coding=''
cpp='' cppflags='' libs='' ldflags=''
+extra_includes=''
dynamic=''
with_x11=''
with_msw=''
rel_alloc='default'
with_system_malloc='default'
with_dlmalloc='default'
+dnl ESD is associated with crashes and lockups due to incorrect signal use.
+with_esd_sound='no'
native_sound_lib=''
+dnl These should be set to the empty string when we want gtk / gnome to
+dnl be auto-detected instead of manually specified.
+with_gtk='no'
+with_gnome='no'
dnl use_assertions should be 'yes' by default. Too many people in this
dnl world have core dumps turned off by default or \"cannot find where the
dnl core file went\". At least we should get some useful output ...
with_tty=""
use_union_type="no"
with_dnet=""
-pdump="no"
+dnl pdump now defaults by opsys
+pdump=''
dnl dragndrop is still experimental. When it is stable, comment out the following line:
with_dragndrop="no"
+dnl Too annoying, even if mandated by IPv6 (and I'm not even sure of that)
+with_ipv6_cname="no"
dnl ------------------
dnl Options Processing
with_site_modules | \
with_x | \
with_x11 | \
+ with_gtk | \
+ with_gnome | \
with_msw | \
with_gcc | \
dynamic | \
with_hesiod | \
with_dnet | \
with_infodock | \
+ with_netinstall | \
+ with_ipv6_cname | \
external_widget | \
verbose | \
extra_verbose | \
types="\`all', \`none', \`(no)native', \`no(nas)', \`(no)esd'."
USAGE_ERROR(["Valid types for the \`--$optname' option are:
$types.
-The default is to autodetect all sound support."])
+Option \`all' or \`none' must be first in the list.
+The default is to autodetect native and NAS sound support."])
elif test -n "$new_sdefault" ; then
with_native_sound=$new_sdefault
with_nas_sound=$new_sdefault
dnl Has the user specified one of the path options?
prefix | exec_prefix | bindir | datadir | statedir | libdir | \
mandir | infodir | infopath | lispdir | etcdir | pkgdir | \
- archlibdir | docdir | package_path )
+ archlibdir | docdir | package_path | moduledir )
dnl If the value was omitted, get it from the next argument.
if test "$valomitted" = "yes"; then
if test "$#" = 0; then
infopath ) AC_DEFINE(INFOPATH_USER_DEFINED) ;;
package_path ) AC_DEFINE(PACKAGE_PATH_USER_DEFINED) ;;
datadir )
- AC_DEFINE(INFODIR_USER_DEFINED)
- AC_DEFINE(LISPDIR_USER_DEFINED)
- AC_DEFINE(MODULEDIR_USER_DEFINED)
- AC_DEFINE(ETCDIR_USER_DEFINED) ;;
+ AC_DEFINE(INFODIR_USER_DEFINED)
+ AC_DEFINE(LISPDIR_USER_DEFINED)
+ AC_DEFINE(MODULEDIR_USER_DEFINED)
+ AC_DEFINE(ETCDIR_USER_DEFINED)
+ AC_DEFINE(DOCDIR_USER_DEFINED)
+ AC_DEFINE(ARCHLIBDIR_USER_DEFINED) ;;
docdir ) AC_DEFINE(DOCDIR_USER_DEFINED) ;;
exec_prefix | libdir | archlibdir ) AC_DEFINE(ARCHLIBDIR_USER_DEFINED) ;;
esac
"with_widgets" )
case "$val" in
l | lu | luc | luci | lucid ) val=lucid ;;
- m | mo | mot | moti | motif ) val=motif ;;
+ mo | mot | moti | motif ) val=motif ;;
a | at | ath | athe | athen | athena ) val=athena ;;
n | no | non | none ) val=no ;;
y | ye | yes ) val=yes ;;
+ dnl Explicit --with-widgets on command line means yes.
+ "") val=yes ;;
+ g | gt | gtk ) val=gtk ;;
+ ms | msw ) val=msw ;;
* ) USAGE_ERROR(["The \`--$optname' option must have one of these values:
- \`lucid', \`motif', \`athena', \`yes', or \`no'."]) ;;
+ \`gtk', \`lucid', \`motif', \`athena', \`yes', or \`no'."]) ;;
esac
eval "$opt=\"$val\""
;;
dnl Cubix QBx/386
i[[3-9]]86-cubix-sysv* ) machine=intel386 opsys=usg5-3 ;;
+ dnl Darwin, a.k.a. MacOS X (based on Mach and Freebsd)
+ *-*-darwin*)
+ opsys=darwin
+ RANLIB="ranlib -c" dnl Avoids a link error with lwlib-config.c
+ ;;
+
dnl Data General AViiON Machines
i586-dg-dgux*R4* | i586-dg-dgux5.4.4* ) machine=aviion opsys=dgux5-4r4 ;;
m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* ) opsys=dgux5-4r3 ;;
*-bsdi3* ) opsys=bsdos3 ;;
*-bsdi2.1* ) opsys=bsdos2-1 ;;
*-bsdi2* ) opsys=bsdos2 ;;
- *-sco3.2v5* ) opsys=sco5 ;
- dnl This is a pain. Like the current USL cc, SCO cc -E
- dnl tokenizes as it preprocesses, making configure very
- dnl unhappy. Unfortunately, /lib/cpp does not understand
- dnl flags like "-b elf", so we have to cheat in order to
- dnl pick up the right defines for UNEXEC from the s-file.
- dnl 01/05/95 robertl@dgii.com
- if test "$dynamic" = "yes" ; then
- NON_GNU_CPP="/lib/cpp -D_XOPEN_SOURCE -D_SCO_ELF" ;
- else
- NON_GNU_CPP="/lib/cpp -D_XOPEN_SOURCE" ;
- fi ;;
+ *-sco3.2v5* ) opsys=sco5 ;;
*-sysv5* ) opsys=sco7 ;;
*-386bsd* ) opsys=386bsd ;;
*-freebsd* ) opsys=freebsd ;;
esac
-dnl Initialize machine and opsys from $canonical if not in our database above.
+dnl Initialize machine from $canonical if not in our database above.
test -z "$machine" && machine=`echo $canonical | sed 's/-.*$//'`
-test -z "$opsys" && opsys=`echo $canonical | sed 's/^[^-]*-[^-]*-//'`
+
+dnl Initialize opsys from `uname -s` if not in our database above.
+test -z "$opsys" && opsys=`uname -s | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`
dnl Use configure-time autodetection if s&m not available
if test -r "${srcdir}/src/m/${machine}.h"; then
echo "Using configure-time autodetection only."
fi
+dnl --------------------------------------------------------------
+dnl $opsys detection complete; defaults depending on $opsys follow
+dnl --------------------------------------------------------------
+
+if test -z "$pdump"; then
+ case "$opsys" in
+ linux* ) pdump=yes ;; dnl glibc 2.3.1 seems to hose unexec
+ *-*-darwin* ) pdump=yes ;; dnl No "native" working dumper available
+ *) pdump=no ;;
+ esac
+fi
if test -z "$dynamic"; then
case "$opsys" in
ld lib_gcc ld_text_start_addr start_files ordinary_link
have_terminfo mail_use_flock mail_use_lockf) && echo ""
-dnl Pick up mingw32 include path
-case "$opsys" in mingw*) mingw_include=`eval "gcc -print-file-name=libc.a"` ;
- mingw_include=`eval "dirname $mingw_include"` ;
- mingw_include="-I$mingw_include/../include/mingw32" ;
- XE_APPEND($mingw_include, c_switch_system) ;;
+dnl Pick up mingw include path
+dnl We only cope with headers in mingw, not mingw32: no previous version of
+dnl XEmacs supported mingw and cygnus have made this incompatible change
+dnl so we just go with the flow.
+case "$opsys" in mingw* | cygwin*)
+ cygwin_include=`eval "gcc -print-file-name=libc.a"` ;
+ cygwin_include=`eval "dirname $cygwin_include"` ;
+ cygwin_include="-I$cygwin_include/../include" ;
+ extra_includes="$cygwin_include/mingw $cygwin_include" ;
+ case "$opsys" in mingw*)
+ XE_APPEND($extra_includes, c_switch_system) ;;
+ esac
+ ;;
esac
dnl Non-ordinary link usually requires -lc
test "$need_kalloca" = "yes" && XE_APPEND(-Kalloca,c_switch_system)
fi
-dnl Calculalate value of CFLAGS:
+dnl Calculate value of CFLAGS:
dnl Use either command line flag, environment var, or autodetection
if test "$cflags_specified" = "no"; then
dnl Following values of CFLAGS are known to work well.
dnl Should we take debugging options into consideration?
if test "$GCC" = "yes"; then
- CFLAGS="-g -O3 -Wall -Wno-switch -Wpointer-arith -Winline -Wmissing-prototypes -Wshadow"
+ CFLAGS="-g -O3 -Wall -Wno-switch -Winline -Wmissing-prototypes"
+ dnl Yuck, bad compares have been worth at least 3 crashes!
+ CFLAGS="$CFLAGS -Wsign-compare"
+ dnl You get five zillion shadowing warnings with g++.
+ dnl Even with gcc, -Wshadow is questionable because of its complaints
+ dnl about parameters with the same names as global functions.
+ if test "$xemacs_compiler" != "g++"; then
+ CFLAGS="$CFLAGS -Wshadow"
+ fi
+ dnl glibc is intentionally not `-Wpointer-arith'-clean.
+ dnl Ulrich Drepper has rejected patches to fix the glibc header files.
+ test "$have_glibc" != "yes" && CFLAGS="$CFLAGS -Wpointer-arith"
dnl I'm not convinced this is a good idea any more. -sb
dnl test "$opsys $machine" = "linux intel386" && \
dnl CFLAGS="$CFLAGS -fno-strength-reduce -malign-loops=2 -malign-jumps=2 -malign-functions=2"
AC_MSG_ERROR(Aborting due to known problem)
;;
*:i*86*:2.7.2*)
- case "$GCC_VERSION" in
- 2.7.2)
- case "$CFLAGS" in
- *-O2*|*-O3*)
+ case "$CFLAGS" in
+ *-O2*|*-O3*)
+ case "$GCC_VERSION" in
+ 2.7.2)
case "$CFLAGS" in
*-fno-strength-reduce*) ;;
*)
esac
;;
esac
+ case "$CFLAGS" in
+ *-fno-caller-saves*) ;;
+ *)
+ AC_MSG_RESULT(yes)
+ AC_MSG_WARN(Don't use -O2 with gcc 2.7.2 under Intel/XXX without also using)
+ AC_MSG_WARN(-fno-caller-saves.)
+ AC_MSG_ERROR(Aborting due to known problem)
+ ;;
+ esac
;;
esac
- case "$CFLAGS" in
- *-fno-caller-saves*) ;;
- *)
- AC_MSG_RESULT(yes)
- AC_MSG_WARN(Don't use -O2 with gcc 2.7.2 under Intel/XXX without also using)
- AC_MSG_WARN(-fno-caller-saves.)
- AC_MSG_ERROR(Aborting due to known problem)
- ;;
- esac
;;
esac
AC_MSG_RESULT(no)
fi
+dnl GNU ld now defaults to combreloc, which screws up unexec, but not pdump.
+dnl Note that it's OK if the GNU style long option causes non-GNU ld to barf
+dnl a usage message, that's often good enough. Please report it, though.
+dnl #### Should make this Solaris-friendly.
+dnl Link with -z nocombreloc for now.
+if test "$pdump" != "yes"; then
+ AC_MSG_CHECKING(for \"-z nocombreloc\" linker flag)
+ case "`ld --help 2>&1`" in
+ *-z\ nocombreloc* ) AC_MSG_RESULT(yes)
+ XE_PREPEND(-z nocombreloc, ld_switch_site) ;;
+ *) AC_MSG_RESULT(no) ;;
+ esac
+fi
+
+
dnl Inform compiler that certain flags are meant for the linker
dnl XE_PROTECT_LINKER_FLAGS(shell_var)
define([XE_PROTECT_LINKER_FLAGS], [
fi])dnl
XE_PROTECT_LINKER_FLAGS(ld_switch_system)
XE_PROTECT_LINKER_FLAGS(ld_switch_machine)
+XE_PROTECT_LINKER_FLAGS(ld_switch_site)
XE_PROTECT_LINKER_FLAGS(LDFLAGS)
XE_PROTECT_LINKER_FLAGS(ld_call_shared)
dnl listed in /etc/ld.so.conf on some systems, and including them on
dnl the link path leads to linking in utterly broken libc's.
dnl There are many clever ways of approaching this problem,
-dnl but finding out that actually works...
+dnl but finding one that actually works...
dnl if test -z "$LD_RUN_PATH" -a -r "/etc/ld.so.conf"; then
dnl for dir in `cat /etc/ld.so.conf`; do
])dnl
XE_COMPUTE_RUNPATH()
-dnl JKJ REMOVEME
-dnl XE_SHLIB_STUFF
-
dnl -----------------------------------
dnl Do some misc autoconf-special tests
dnl -----------------------------------
sys/un.h dnl
ulimit.h dnl
unistd.h dnl
- utime.h dnl
)
AC_HEADER_SYS_WAIT
AC_HEADER_STDC
AC_HEADER_TIME
AC_DECL_SYS_SIGLIST
-dnl Some systems have utime.h but do not declare the struct anyplace.
-AC_MSG_CHECKING(for struct utimbuf)
-AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
-#include <sys/time.h>
-#include <time.h>
-#else
-#ifdef HAVE_SYS_TIME_H
-#include <sys/time.h>
-#else
-#include <time.h>
-#endif
-#endif
-#ifdef HAVE_UTIME_H
-#include <utime.h>
-#endif], [static struct utimbuf x; x.actime = x.modtime;],
+
+dnl ----------------------------------------------------------------
+dnl Checking for utime() or utimes().
+dnl We prefer utime, since it is more standard.
+dnl Some systems have utime.h but do not declare the struct anyplace,
+dnl so we use a more sophisticated test for utime than AC_CHECK_FUNCS.
+dnl ----------------------------------------------------------------
+AC_MSG_CHECKING(for utime)
+AC_TRY_COMPILE([#include <sys/types.h>
+#include <utime.h>],
+[struct utimbuf x; x.actime = x.modtime = 0; utime ("/", &x);],
[AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_STRUCT_UTIMBUF)],
- AC_MSG_RESULT(no))
+ AC_DEFINE(HAVE_UTIME)],
+ [AC_MSG_RESULT(no)
+ dnl We don't have utime(); how about utimes()?
+ AC_CHECK_FUNCS(utimes)])
+
dnl checks for typedefs
AC_TYPE_SIGNAL
dnl check for Unix98 socklen_t
AC_MSG_CHECKING(for socklen_t)
-AC_TRY_COMPILE([#include <sys/socket.h>
+AC_TRY_COMPILE([#include <sys/types.h>
+#include <sys/socket.h>
socklen_t x;
],[],[AC_MSG_RESULT(yes)],[
-AC_TRY_COMPILE([#include <sys/socket.h>
+AC_TRY_COMPILE([#include <sys/types.h>
+#include <sys/socket.h>
int accept (int, struct sockaddr *, size_t *);
],[],[
AC_MSG_RESULT(size_t)
c_switch_site="$c_switch_site -threads" ;;
esac
+dnl ----------------------------------------------------------------
+dnl Miscellaneous flags
+dnl ----------------------------------------------------------------
+
AC_MSG_CHECKING(whether the -xildoff compiler flag is required)
if ${CC-cc} '-###' -xildon no_such_file.c 2>&1 | grep '^[^ ]*/ild ' > /dev/null ; then
if ${CC-cc} '-###' -xildoff no_such_file.c 2>&1 | grep '^[^ ]*/ild ' > /dev/null ;
AC_CHECKING("for specified window system")
+dnl Autodetection of Gdk libraries and includes
+dnl -------------------------------------------
+dnl On some systems (FreeBSD springs to mind), they use
+dnl versions on the utility routines, so instead of gtk-config
+dnl you must use gtk12-config, etc, etc.
+
+GNOME_CONFIG=no
+GTK_CONFIG=no
+
+if test "$with_gnome" != "no"; then
+ AC_MSG_CHECKING(for GNOME configuration script)
+ for possible in gnome-config
+ do
+ possible_version=`${possible} --version 2> /dev/null`
+ if test "x${possible_version}" != "x"; then
+ GNOME_CONFIG="${possible}"
+ with_gnome=yes
+ with_gtk=yes
+ break
+ fi
+ done
+ AC_MSG_RESULT([${GNOME_CONFIG}])
+fi
+
+if test "${GNOME_CONFIG}" != "no"; then
+ GNOME_LIBS=`${GNOME_CONFIG} --libs gnomeui`
+ GNOME_CFLAGS=`${GNOME_CONFIG} --cflags gnomeui`
+ AC_DEFINE(HAVE_GNOME)
+ XE_APPEND(${GNOME_LIBS}, libs_gtk)
+ XE_APPEND(${GNOME_CFLAGS}, c_switch_gtk)
+fi
+
+if test "$with_gtk" != "no";then
+ AC_MSG_CHECKING(for GTK configuration script)
+ for possible in gtk12-config gtk14-config gtk-config
+ do
+ possible_version=`${possible} --version 2> /dev/null`
+ if test "x${possible_version}" != "x"; then
+ GTK_CONFIG="${possible}"
+ fi
+ case "${possible_version}" in
+ 1.0.*) AC_MSG_WARN([GTK 1.2 is required, please upgrade your version of GTK.]); with_gtk=no;;
+ 1.3.*) AC_MSG_WARN([GTK 1.3 is not supported right now]); with_gtk=no;;
+ 1.2.*)
+ with_gtk=yes
+ break
+ ;;
+ *) AC_MSG_WARN([Found unsupported version of GTK: $possible_version]);;
+ esac
+ done
+ AC_MSG_RESULT([${GTK_CONFIG}])
+fi
+
+if test "${GTK_CONFIG}" != "no"; then
+ AC_MSG_CHECKING(gtk version)
+ GTK_VERSION=`${GTK_CONFIG} --version`
+ AC_MSG_RESULT(${GTK_VERSION})
+
+ AC_MSG_CHECKING(gtk libs)
+ GTK_LIBS=`${GTK_CONFIG} --libs`
+ XE_APPEND(${GTK_LIBS}, libs_gtk)
+ AC_MSG_RESULT(${GTK_LIBS})
+
+ AC_MSG_CHECKING(gtk cflags)
+ GTK_CFLAGS=`${GTK_CONFIG} --cflags`
+ if test "$GCC" = "yes"; then
+ GTK_CFLAGS="${GTK_CFLAGS} -Wno-shadow"
+ fi
+ XE_APPEND(${GTK_CFLAGS}, c_switch_gtk)
+ AC_MSG_RESULT(${GTK_CFLAGS})
+
+ AC_CHECK_LIB(gdk_imlib, main, XE_PREPEND(-lgdk_imlib, libs_gtk))
+ AC_CHECK_LIB(Imlib, Imlib_init, XE_APPEND(-lImlib, libs_gtk))
+ AC_CHECK_FUNCS(gdk_imlib_init)
+
+ AC_DEFINE(HAVE_XPM)
+ AC_DEFINE(HAVE_GTK)
+ AC_SUBST(GTK_CONFIG)
+
+ window_system=gtk
+ with_gtk=yes
+ with_x11=no
+
+ test "${with_scrollbars}" != "no" && with_scrollbars=gtk
+ test "${with_toolbars}" != no && with_toolbars=gtk
+ test "${with_menubars}" != "no" && with_menubars=gtk
+ test "${with_dialogs}" != "no" && with_dialogs=gtk
+ test "${with_widgets}" != "no" && with_widgets=gtk
+
+ XE_ADD_OBJS(console-gtk.o device-gtk.o event-gtk.o frame-gtk.o)
+ XE_ADD_OBJS(objects-gtk.o redisplay-gtk.o glyphs-gtk.o)
+ XE_ADD_OBJS(select-gtk.o gccache-gtk.o)
+ XE_ADD_OBJS(gtk-xemacs.o ui-gtk.o)
+
+ dnl Check for libglade support (it rocks)
+ OLD_CFLAGS="${CFLAGS}"
+ OLD_CPPFLAGS="${CPPFLAGS}"
+ OLD_LDFLAGS="${LDFLAGS}"
+ CFLAGS="${GTK_CFLAGS} ${CFLAGS}"
+ CPPFLAGS="${GTK_CFLAGS} ${CFLAGS}"
+ LDFLAGS="${LDFLAGS} ${GTK_LIBS}"
+ AC_CHECK_HEADERS(glade/glade.h glade.h)
+ AC_CHECK_LIB(xml, main, XE_PREPEND(-lxml, libs_gtk))
+ AC_CHECK_LIB(glade, main, XE_PREPEND(-lglade, libs_gtk))
+ AC_CHECK_LIB(glade-gnome, main, XE_PREPEND(-lglade-gnome, libs_gtk))
+ AC_EGREP_HEADER([char \*txtdomain;], [glade/glade-xml.h],
+ [AC_MSG_RESULT(yes)
+ AC_DEFINE(LIBGLADE_XML_TXTDOMAIN,1)],
+ [AC_MSG_RESULT(no)])
+ CFLAGS="${OLD_CFLAGS}"
+ CPPFLAGS="${OLD_CPPFLAGS}"
+ LDFLAGS="${OLD_LDFLAGS}"
+fi
+
+dnl We may eventually prefer gtk/gdk over vanilla X11...
+
if test "$with_x11" != "no"; then
dnl User-specified --x-includes or --x-libraries implies --with-x11.
test "$x_includes $x_libraries" != "NONE NONE" && \
fi
fi
-case "$with_x11" in
- yes ) window_system=x11 HAVE_X_WINDOWS=yes ;;
- no ) window_system=none HAVE_X_WINDOWS=no ;;
-esac
+dnl #### wmperry:: !x11 != NONE
+dnl case "$with_x11" in
+dnl yes ) window_system=x11 HAVE_X_WINDOWS=yes ;;
+dnl no ) window_system=none HAVE_X_WINDOWS=no ;;
+dnl esac
if test "$with_x11" = "yes"; then
AC_DEFINE(HAVE_X_WINDOWS)
cd ..
rm -fr conftestdir
for word in $xmkmf_defines; do
- case "$word" in -D* )
+ case "$word" in
+ -D__STDC__*) ;;
+ -D* )
sym=`echo '' $word | sed -e 's:^ *-D::' -e 's:=.*::'`
case "$word" in
-D*=* ) val=`echo '' $word | sed -e 's:^.*=::'` ;;
AC_CHECK_LIB(gdi32,main,with_msw=yes)
if test "$with_msw" = "yes"; then
AC_DEFINE(HAVE_MS_WINDOWS)
+
+ dnl The net installer only works with MS-Windows currently
+ if test "$with_netinstall" = "yes"; then
+ XE_APPEND(netinstall, MAKE_SUBDIR)
+ XE_APPEND(netinstall, SRC_SUBDIR_DEPS)
+ XE_APPEND(netinstall, INSTALL_ARCH_DEP_SUBDIR)
+ fi
+
install_pp="$blddir/lib-src/installexe.sh"
- XE_APPEND(-lshell32 -lgdi32 -luser32 -lcomdlg32 -lcomctl32 -lwinspool, libs_system)
+ XE_APPEND(-lshell32 -lgdi32 -luser32 -lcomdlg32 -lcomctl32 -lkernel32 -lwinspool, libs_system)
test "$with_dragndrop" != no && XE_APPEND(msw, dragndrop_proto)
if test "$window_system" != x11; then
window_system=msw
dnl check for our special version of select
AC_TRY_RUN([#include <fcntl.h>
int main() { return (open("/dev/windows", O_RDONLY, 0) > 0)? 0 : 1; }],
- [AC_DEFINE(HAVE_MSG_SELECT)])
+ [need_event_unixoid=yes; AC_DEFINE(HAVE_MSG_SELECT)])
with_file_coding=yes
XE_ADD_OBJS(console-msw.o device-msw.o event-msw.o frame-msw.o objects-msw.o select-msw.o redisplay-msw.o glyphs-msw.o gui-msw.o)
fi
case "$window_system" in
x11 ) HAVE_X_WINDOWS=yes; echo " Using X11." ;;
msw ) HAVE_X_WINDOWS=no ; echo " Using MS-Windows." ;;
+ gtk )
+ HAVE_X_WINDOWS=no
+ test "$with_gnome" = "yes" && echo " Using GNOME."
+ test "$with_gnome" = "no" && echo " Using GTK."
+ ;;
none ) HAVE_X_WINDOWS=no ; echo " Using no window system." ;;
esac
test -z "$with_xauth" && with_xauth=yes
if test "$with_xauth" = "yes"; then
AC_DEFINE(HAVE_XAUTH)
- XE_SPACE(libs_xauth, $X_EXTRA_LIBS -lXau $libs_x $X_PRE_LIBS)
+ XE_SPACE(libs_xauth, $GTK_LIBS $X_EXTRA_LIBS -lXau $libs_x $X_PRE_LIBS)
fi
AC_SUBST(libs_xauth)
XE_APPEND(offix.o, dnd_objs)
XE_APPEND(OffiX, dragndrop_proto)
fi
+if test "$with_gtk" = "yes"; then
+ XE_APPEND(GTK, dragndrop_proto)
+fi
dnl Autodetect Drag'n'Drop support
dnl always included if CDE, Offix, or MSWindows are defined
if test "$window_system" != "none"; then
AC_CHECKING(for graphics libraries)
+ dnl add special code to handle xpm-nox on Cygwin (csw)
+ dnl -- should only happen if CYGWIN && WITH_XPM && WITH_MSW && !WITH_X
+ libpath_xpm=
+ incpath_xpm=
+ case "$opsys" in
+ cygwin*)
+ cygwin_top=`eval "gcc -print-file-name=libc.a"` ;
+ cygwin_top=`eval "dirname ${cygwin_top}"`;
+ cygwin_top="${cygwin_top}/..";
+ case "$window_system" in
+ dnl use "standard" search pattern
+ x11) ;;
+ dnl hardcode "standard" non-X11 xpm lib/inc dirs
+ msw) libpath_xpm="-L${cygwin_top}/lib/noX"
+ incpath_xpm="-I${cygwin_top}/include/noX"
+ ;;
+ dnl not supported on cygwin (yet?)
+ gtk) ;;
+ dnl probably not reached...
+ none) ;;
+ dnl ditto
+ *) ;;
+ esac
+ ;;
+ dnl use "standard" search pattern for all other OS's
+ *) ;;
+ esac
dnl Autodetect Xpm
xpm_problem=""
if test -z "$with_xpm"; then
+ XE_PREPEND("$incpath_xpm", CFLAGS)
+ XE_PREPEND("$libpath_xpm", LDFLAGS)
AC_MSG_CHECKING(for Xpm - no older than 3.4f)
xe_check_libs=-lXpm
AC_TRY_RUN([#define XPM_NUMBERS
AC_MSG_RESULT($with_xpm)
fi
if test "$with_xpm" = "yes"; then
+ dnl #### This code assumes that if AC_CHECK_LIB fails,
+ dnl #### then it will succeed if FOR_MSW is defined,
+ dnl #### but doesn't actually verify this assumption.
AC_DEFINE(HAVE_XPM)
+ XE_PREPEND("$libpath_xpm", LDFLAGS)
XE_PREPEND(-lXpm, libs_x)
+ XE_PREPEND("$incpath_xpm", CFLAGS)
AC_MSG_CHECKING(for \"FOR_MSW\" xpm)
xe_check_libs=-lXpm
AC_TRY_LINK(, [XpmCreatePixmapFromData()],
fi
dnl ----------------------
+dnl GTK-Specific Graphics libraries
+dnl ----------------------
+
+if test "$with_gtk" = "yes"; then
+ dnl Autodetect XFACE
+ test -z "$with_xface" && { AC_CHECK_HEADER(compface.h, ,with_xface=no) }
+ test -z "$with_xface" && { AC_CHECK_LIB(compface, UnGenFace,[:] ,with_xface=no) }
+ test -z "$with_xface" && with_xface=yes
+ if test "$with_xface" = "yes"; then
+ AC_DEFINE(HAVE_XFACE)
+ XE_PREPEND(-lcompface, libs_gtk)
+ fi
+fi
+
+
+dnl ----------------------
dnl X-Specific Graphics libraries
dnl ----------------------
if test "$with_x11" = "yes"; then
-
AC_CHECKING(for X11 graphics libraries)
+fi
+dnl We don't automatically trigger widgets if athena is present
+dnl because of stability concerns.
+dnl But if the user wants widgets, still offer him autodetections
+case "$with_widgets" in
+ "yes" | "athena") detect_athena=yes ;;
+ *) detect_athena=no ;;
+esac
+
+if test "$with_x11" = "yes" -a "$detect_athena" = "yes" ; then
AC_CHECKING(for the Athena widgets)
dnl What in heck did the user actually want?
have_xaw=no
fi
+else
+ have_xaw=no
+fi dnl "$with_x11" = "yes" -a "detect_athena" = "yes"
+
+if test "$with_x11" = "yes"; then
dnl autodetect Motif - but only add to libs_x later (if necessary)
AC_CHECK_HEADER(Xm/Xm.h,
[AC_CHECK_LIB(Xm, XmStringFree, have_motif=yes, have_motif=no)],
test "$with_dialogs" != "no" && XE_ADD_OBJS(dialog.o)
test "$with_toolbars" != "no" && XE_ADD_OBJS(toolbar.o)
+if test "$with_gtk" = "yes"; then
+ test "$with_menubars" != "no" && XE_ADD_OBJS(menubar-gtk.o)
+ test "$with_scrollbars" != "no" && XE_ADD_OBJS(scrollbar-gtk.o)
+ test "$with_dialogs" != "no" && XE_ADD_OBJS(dialog-gtk.o)
+ test "$with_toolbars" != "no" && XE_ADD_OBJS(toolbar-gtk.o)
+ test "$all_widgets" != "no no no no no" && XE_ADD_OBJS(gui-gtk.o)
+fi
+
if test "$with_x11" = "yes"; then
test "$with_menubars" != "no" && XE_ADD_OBJS(menubar-x.o)
test "$with_scrollbars" != "no" && XE_ADD_OBJS(scrollbar-x.o)
if test "$with_xfs" = "yes" && test "$with_menubars" = "lucid"; then
AC_DEFINE(USE_XFONTSET)
if test "$with_xim" = "no" ; then
- XE_ADD_OBJS(input-method-xfs.o)
+ XE_ADD_OBJS(input-method-xlib.o)
fi
fi
fi dnl with_xfs
dnl Autodetect WNN
test "$with_wnn6" = "yes" && with_wnn=yes # wnn6 implies wnn support
test -z "$with_wnn" && { AC_CHECK_HEADER(wnn/jllib.h, ,with_wnn=no) }
+ dnl gcc 2.97 fixincludes breaks inclusion of wnn/commonhd.h
+ test -z "$with_wnn" && { AC_CHECK_HEADER(wnn/commonhd.h, ,with_wnn=no) }
dnl Detour to find crypt
if test "$with_wnn" != "no"; then
AC_CHECK_FUNCS(crypt)
XE_COMPUTE_RUNPATH()
fi
-AC_CHECK_FUNCS(cbrt closedir dup2 eaccess fmod fpathconf frexp ftime getaddrinfo gethostname getnameinfo getpagesize gettimeofday getcwd getwd logb lrand48 matherr mkdir mktime perror poll random rename res_init rint rmdir select setitimer setpgid setlocale setsid sigblock sighold sigprocmask snprintf stpcpy strerror tzset ulimit usleep utimes waitpid vsnprintf fsync ftruncate umask)
+dnl ----------------------------------------------------------------
+dnl Check for POSIX functions.
+dnl ----------------------------------------------------------------
+
+AC_CHECK_FUNCS(cbrt closedir dup2 eaccess fmod fpathconf frexp ftime getaddrinfo gethostname getnameinfo getpagesize gettimeofday getcwd getwd logb lrand48 matherr mkdir mktime perror poll random rename res_init rint rmdir select setitimer setpgid setlocale setsid sigblock sighold sigprocmask snprintf stpcpy strerror tzset ulimit usleep waitpid vsnprintf fsync ftruncate umask)
+
+dnl getaddrinfo() is borked under hpux11
+if test "$ac_cv_func_getaddrinfo" != "no" ; then
+ case "$opsys" in
+ hpux11* )
+ AC_MSG_WARN([Use of getaddrinfo is disabled for HP-UX 11.XX.])
+ ac_cv_func_getaddrinfo=no
+ ;;
+ esac
+fi
+dnl ----------------------------------------------------------------
dnl Check for PTY support functions.
-dnl getpt is the preferred pty allocation method on glibc systems.
-dnl _getpty is the preferred pty allocation method on SGI systems.
-dnl grantpt, unlockpt, ptsname are defined by Unix98.
+dnl ----------------------------------------------------------------
+
+dnl There is no "standard" pty allocation method. Every system is different.
+dnl getpt() is the preferred pty allocation method on glibc systems.
+dnl _getpty() is the preferred pty allocation method on SGI systems.
+dnl grantpt(), unlockpt(), ptsname() are defined by Unix98.
AC_CHECK_FUNCS(getpt _getpty grantpt unlockpt ptsname killpg tcgetpgrp)
-dnl openpty is the preferred pty allocation method on BSD and Tru64 systems.
-dnl openpty might be declared in pty.h or in libutil.h.
+dnl openpty() is the preferred pty allocation method on BSD and Tru64 systems.
+dnl openpty() might be declared in:
+dnl - pty.h (Tru64 or Linux)
+dnl - libutil.h (FreeBSD)
+dnl - util.h (NetBSD)
AC_CHECK_FUNC(openpty, have_openpty=yes, [
AC_CHECK_LIB(util, openpty, have_openpty=yes need_libutil=yes)])
if test "$have_openpty" = "yes"; then
AC_DEFINE(HAVE_OPENPTY)
- AC_CHECK_HEADERS(pty.h libutil.h)
+ AC_CHECK_HEADERS(pty.h libutil.h util.h, break)
test "$need_libutil" = "yes" && XE_APPEND(-lutil, libs_system)
fi
AC_MSG_RESULT($have_mmap)
test "$have_mmap" = "yes" && AC_DEFINE(HAVE_MMAP)
+dnl By default we switch off rel-alloc on cygwin as it generally causes us grief
+case "$opsys" in cygwin*)
+ test "$rel_alloc" = "default" && rel_alloc=no ;;
+esac
dnl rel_alloc requires either GNU malloc or system malloc with mmap
dnl We only turn rel_alloc on by default if mmap is available.
test "$GNU_MALLOC" != "yes" -a "$have_mmap" != "yes" && rel_alloc=no
esac
fi
+ dnl Win32 Native uses native sound
+ if test -z "$sound_found"; then
+ if test "$with_msw" = "yes"; then
+ sound_found=yes
+ native_sound_lib=
+ fi
+ fi
+
dnl Check for Linux/BSD native sound
if test -z "$sound_found"; then
for dir in "machine" "sys" "linux"; do
done
fi
- dnl Win32 Native uses native sound
- if test -z "$sound_found"; then
- if test "$with_msw" = "yes"; then
- sound_found=yes
- native_sound_lib=
- fi
- fi
-
test "$sound_found" = "yes" && with_native_sound=yes
fi
done
fi
else dnl "$have_terminfo" = "no" && "with_ncurses" = "no"
- XE_ADD_OBJS(tparam.o)
+ if test -n "$libs_termcap" -a "$opsys" = "openbsd"; then
+ dnl We need to check if tgoto does not exist in termcap yet
+ dnl because on OpenBSD libtermcap is another name for libcurses
+ dnl which provides the same tgoto as ncurses
+ AC_CHECK_LIB(termcap, tgoto, , XE_ADD_OBJS(tparam.o))
+ else
+ XE_ADD_OBJS(tparam.o)
+ fi
dnl The HP-UX curses library seems to have a badly broken version of select(2)
dnl that makes "poll: interrupted system call" messages to appear and
- dnl Emacs suprocesses to hang (e.g. TeX compilation w/ AUCTeX) */
+ dnl Emacs subprocesses to hang (e.g. TeX compilation w/ AUCTeX) */
case "$opsys" in *-hp-hpux* ) libs_termcap="-ltermcap" ;; esac
if test -n "$libs_termcap"; then
XE_PREPEND($libs_termcap, LIBS)
fi dnl with_tty
dnl Do we need event-unixoid.o ?
-test "$with_x11" = "yes" -o "$with_tty" = "yes" && XE_ADD_OBJS(event-unixoid.o)
+dnl This is needed for X, or for TTY, or for MSWIN w/Cygwin select()
+dnl [but not Mingw MSWIN]
+test "$with_x11" = "yes" -o "$with_tty" = "yes" -o "$need_event_unixoid" = "yes" && XE_ADD_OBJS(event-unixoid.o)
dnl Database support
dnl We do not necessarily have to have libdb/lib(g)dbm for DB/(G)DBM support.
#if DB_VERSION_MAJOR > 1
yes
#endif
-], [AC_MSG_RESULT(2); dbfunc=db_open], [AC_MSG_RESULT(1); dbfunc=dbopen])
+], [AC_EGREP_CPP(yes,
+[#include <$db_h_file>
+#if DB_VERSION_MAJOR > 2
+yes
+#endif
+], [AC_MSG_RESULT(3); dbfunc=db_create],[
+ AC_MSG_RESULT(2); dbfunc=db_open])],[
+ AC_MSG_RESULT(1); dbfunc=dbopen])
AC_CHECK_FUNC($dbfunc, with_database_berkdb=yes need_libdb=no, [
AC_CHECK_LIB(db, $dbfunc, with_database_berkdb=yes need_libdb=yes)])
fi
else
dnl Find headers and libraries
AC_CHECK_HEADER(dlfcn.h, [
- AC_CHECK_LIB(dl, dlopen, [ have_dl=yes libdl=dl], [
- AC_CHECK_LIB(c, dlopen, [ have_dl=yes ])])])
+ AC_MSG_CHECKING([for dlopen in -lc])
+ AC_TRY_LINK([#include <dlfcn.h>],dnl
+ [dlopen ("", 0);], [ have_dl=yes ], [
+ AC_MSG_CHECKING([for dlopen in -ldl])
+ ac_save_LIBS="$LIBS"
+ LIBS="-ldl $LIBS"
+ AC_TRY_LINK([#include <dlfcn.h>],dnl
+ [dlopen ("", 0);], [ have_dl=yes ],
+ [LIBS="$ac_save_LIBS"])
+ ac_save_LIBS=])])
if test -n "$have_dl"; then
AC_DEFINE(HAVE_DLOPEN)
else
dnl have reported incorrect results.
AC_TRY_RUN([int main(int c,char *v[]){return 0;}],[:],[
echo ""
- echo "*** PANIC *** The C compiler can no longer build working executables."
- echo "*** PANIC *** Please examine the tail of config.log for runtime errors."
- echo "*** PANIC *** The most likely reason for this problem is that configure"
- echo "*** PANIC *** links with shared libraries, but those libraries cannot be"
- echo "*** PANIC *** found at run time."
- echo "*** PANIC ***"
- echo "*** PANIC *** On a Linux system, edit /etc/ld.so.conf and re-run ldconfig."
- echo "*** PANIC *** On other systems, try telling configure where to find the"
- echo "*** PANIC *** shared libraries using the --site-runtime-libraries option"
- echo "*** PANIC ***"
- echo "*** PANIC *** Another way to shoot yourself in the foot is to specify"
- echo "*** PANIC *** --with-FEATURE when FEATURE is not actually installed"
- echo "*** PANIC *** on your system. Don't do that."
+ echo "*** PANIC *** configure forgot how to build working executables!"
+ echo ""
+ echo "*** This is most commonly due to an unforeseen environment, causing"
+ echo "*** configure to incorrectly compute the sequence of libraries to link."
+ echo "*** Please examine the tail of config.log for runtime errors."
+ echo "*** Pay special attention to the -l flags, and perhaps -I and -L."
+ echo "*** Often adding or removing explicit options in the configure"
+ echo "*** invocation can work around this kind of problem. If so, please"
+ echo "*** report it as a bug to xemacs-beta@xemacs.org."
+ echo "***"
+ echo "*** Other possible causes are inability to write to the file system"
+ echo "*** (bogus permissions or disk full) or a misconfiguration of the dynamic"
+ echo "*** linker. On Linux, check /etc/ld.conf and rerun ldconfig if"
+ echo "*** necessary. On other systems, try telling configure where to find"
+ echo "*** the shared libraries using the --site-runtime-libraries option."
+ echo "***"
+ echo "*** Another way to shoot yourself in the foot is to specify"
+ echo "*** --with-FEATURE when FEATURE is not actually installed on your"
+ echo "*** system. Don't do that."
exit 1])
dnl Process support
XE_SPACE(CFLAGS, $CFLAGS)
XE_SPACE(extra_objs, $extra_objs)
XE_SPACE(c_switch_general, -DHAVE_CONFIG_H $c_switch_site $c_switch_machine $c_switch_system)
-XE_SPACE(c_switch_window_system, $c_switch_x_site $X_CFLAGS)
+XE_SPACE(c_switch_window_system, $c_switch_x_site $c_switch_gtk $X_CFLAGS)
XE_SPACE(c_switch_all, $c_switch_general $c_switch_window_system)
XE_SPACE(ld_switch_general, $ld_switch_site $ld_switch_machine $ld_switch_system $ld_switch_run)
XE_SPACE(ld_switch_window_system, $ld_switch_x_site)
XE_SPACE(ld_switch_all, $ld_switch_general $ld_switch_window_system)
XE_SPACE(ld_libs_general, $LIBS $libs_machine $libs_system $libs_standard)
-XE_SPACE(ld_libs_window_system, $X_EXTRA_LIBS $libs_x $X_PRE_LIBS)
+XE_SPACE(ld_libs_window_system, $X_EXTRA_LIBS $libs_x $libs_gtk $X_PRE_LIBS)
XE_SPACE(ld_libs_all, $ld_libs_window_system $ld_libs_general)
dnl Compute lists of Makefiles and subdirs
AC_SUBST(statedir)
AC_SUBST(libdir)
AC_SUBST(mandir)
+AC_SUBST(extra_includes)
AC_SUBST(prefix)
AC_SUBST(PREFIX_USER_DEFINED)
test "$with_hesiod" = "yes" && AC_DEFINE(HESIOD)
test "$use_union_type" = "yes" && AC_DEFINE(USE_UNION_TYPE)
test "$pdump" = "yes" && AC_DEFINE(PDUMP)
+test "$with_ipv6_cname" = "yes" && AC_DEFINE(IPV6_CANONICALIZE)
dnl -------------------------------
dnl Report on what we decided to do
echo " Compiler: $CC $CFLAGS"
echo " Relocating allocator for buffers: $rel_alloc"
echo " GNU version of malloc: ${GNU_MALLOC}${GNU_MALLOC_reason}"
+case "$ld_switch_site" in
+ *nocombreloc*) echo " Linking with \`-z nocombreloc'.
+ - Consider configuring with --pdump." ;;
+esac
echo "
Window System:"
echo " - Athena library to link: $athena_lib"
fi
case "$with_menubars" in
+ gtk ) echo " Using GTK menubars." ;;
lucid ) echo " Using Lucid menubars." ;;
motif ) echo " Using Motif menubars."
echo " *WARNING* The Motif menubar implementation is currently buggy."
msw ) echo " Using MS-Windows menubars." ;;
esac
case "$with_scrollbars" in
+ gtk ) echo " Using GTK scrollbars." ;;
lucid ) echo " Using Lucid scrollbars." ;;
motif ) echo " Using Motif scrollbars." ;;
athena ) echo " Using Athena scrollbars." ;;
msw ) echo " Using MS-Windows scrollbars." ;;
esac
case "$with_dialogs" in
+ gtk ) echo " Using GTK dialog boxes." ;;
motif ) echo " Using Motif dialog boxes."
if test "$unexec" = "unexaix.o"; then if test "`uname -v`" = 4 -a "`uname -r`" -ge 3; then
echo " *WARNING* The Motif dialog boxes cause problems on AIX 4.3 and higher."
msw ) echo " Using MS-Windows dialog boxes." ;;
esac
case "$with_widgets" in
+ gtk ) echo " Using GTK native widgets." ;;
motif ) echo " Using Motif native widgets." ;;
athena ) echo " Using Athena native widgets." ;;
msw ) echo " Using MS-Windows native widgets." ;;
echo "
Other Features:"
+test "$with_ipv6_cname" = no && echo " Inhibiting IPv6 canonicalization at startup."
test "$with_tooltalk" = yes && echo " Compiling in support for ToolTalk."
test "$with_workshop" = yes && echo " Compiling in support for Sun WorkShop."
test "$with_socks" = yes && echo " Compiling in support for SOCKS."
test "$with_dnet" = yes && echo " Compiling in support for DNET."
test "$with_modules" = "yes" && echo " Compiling in support for dynamic shared object modules."
-test "$use_union_type" = yes && echo " Using the union type for Lisp_Objects."
+if test "$use_union_type" = yes; then
+ echo " WARNING: ---------------------------------------------------------"
+ echo " Using the union type for Lisp_Objects."
+ echo " Union type has been implicated in hard-to-debug runtime crashes."
+ echo " Do NOT use this build of XEmacs for ordinary work. See PROBLEMS."
+ echo " WARNING: ---------------------------------------------------------"
+fi
test "$pdump" = yes && echo " Using the new portable dumper."
test "$debug" = yes && echo " Compiling in support for extra debugging code."
test "$usage_tracking" = yes && echo " Compiling in support for active usage tracking (Sun internal)."