### 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
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='${archlibdir}'
with_netinstall="no"
with_prefix='yes'
rel_alloc='default'
with_system_malloc='default'
with_dlmalloc='default'
+dnl ESD is associated with crashes and lockups due to incorrect signal use.
+with_esd_sound='no'
native_sound_lib=''
dnl These should be set to the empty string when we want gtk / gnome to
dnl be auto-detected instead of manually specified.
with_tty=""
use_union_type="no"
with_dnet=""
-pdump="no"
+dnl pdump now defaults by opsys
+pdump=''
dnl dragndrop is still experimental. When it is stable, comment out the following line:
with_dragndrop="no"
+dnl Too annoying, even if mandated by IPv6 (and I'm not even sure of that)
+with_ipv6_cname="no"
dnl ------------------
dnl Options Processing
with_hesiod | \
with_dnet | \
with_infodock | \
- with_netinstall | \
+ with_netinstall | \
+ with_ipv6_cname | \
external_widget | \
verbose | \
extra_verbose | \
types="\`all', \`none', \`(no)native', \`no(nas)', \`(no)esd'."
USAGE_ERROR(["Valid types for the \`--$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
"with_widgets" )
case "$val" in
l | lu | luc | luci | lucid ) val=lucid ;;
- m | mo | mot | moti | motif ) val=motif ;;
+ mo | mot | moti | motif ) val=motif ;;
a | at | ath | athe | athen | athena ) val=athena ;;
n | no | non | none ) val=no ;;
y | ye | yes ) val=yes ;;
+ dnl Explicit --with-widgets on command line means yes.
+ "") val=yes ;;
g | gt | gtk ) val=gtk ;;
- m | ms | msw ) val=msw ;;
+ ms | msw ) val=msw ;;
* ) USAGE_ERROR(["The \`--$optname' option must have one of these values:
- \`gtk\', \`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 ;;
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 "$opsys" in
dnl Following values of CFLAGS are known to work well.
dnl Should we take debugging options into consideration?
if test "$GCC" = "yes"; then
- CFLAGS="-g -O3 -Wall -Wno-switch -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="$CFLAGS -Wpointer-arith"
AC_MSG_RESULT(no)
fi
+dnl GNU ld now defaults to combreloc, which screws up unexec, but not pdump.
+dnl Note that it's OK if the GNU style long option causes non-GNU ld to barf
+dnl a usage message, that's often good enough. Please report it, though.
+dnl #### Should make this Solaris-friendly.
+dnl Link with -z nocombreloc for now.
+if test "$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 "$LD_RUN_PATH" -a -r "/etc/ld.so.conf"; then
dnl for dir in `cat /etc/ld.so.conf`; do
dnl check for Unix98 socklen_t
AC_MSG_CHECKING(for socklen_t)
-AC_TRY_COMPILE([#include <sys/socket.h>
+AC_TRY_COMPILE([#include <sys/types.h>
+#include <sys/socket.h>
socklen_t x;
],[],[AC_MSG_RESULT(yes)],[
-AC_TRY_COMPILE([#include <sys/socket.h>
+AC_TRY_COMPILE([#include <sys/types.h>
+#include <sys/socket.h>
int accept (int, struct sockaddr *, size_t *);
],[],[
AC_MSG_RESULT(size_t)
c_switch_site="$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 ${CC-cc} '-###' -xildoff no_such_file.c 2>&1 | grep '^[^ ]*/ild ' > /dev/null ;
AC_MSG_CHECKING(gtk cflags)
GTK_CFLAGS=`${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})
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} ${GTK_LIBS}"
AC_CHECK_HEADERS(glade/glade.h glade.h)
AC_CHECK_LIB(xml, main, XE_PREPEND(-lxml, libs_gtk))
AC_DEFINE(LIBGLADE_XML_TXTDOMAIN,1)],
[AC_MSG_RESULT(no)])
CFLAGS="${OLD_CFLAGS}"
+ CPPFLAGS="${OLD_CPPFLAGS}"
LDFLAGS="${OLD_LDFLAGS}"
fi
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 "$window_system" != x11; then
window_system=msw
dnl check for our special version of select
AC_TRY_RUN([#include <fcntl.h>
int main() { return (open("/dev/windows", O_RDONLY, 0) > 0)? 0 : 1; }],
- [AC_DEFINE(HAVE_MSG_SELECT)])
+ [need_event_unixoid=yes; AC_DEFINE(HAVE_MSG_SELECT)])
with_file_coding=yes
XE_ADD_OBJS(console-msw.o device-msw.o event-msw.o frame-msw.o objects-msw.o select-msw.o redisplay-msw.o glyphs-msw.o gui-msw.o)
fi
if test "$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
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()],
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)],
XE_COMPUTE_RUNPATH()
fi
+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 ----------------------------------------------------------------
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.
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
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 "$ld_switch_site" in
+ *nocombreloc*) echo " Linking with \`-z nocombreloc'.
+ - Consider configuring with --pdump." ;;
+esac
echo "
Window System:"
echo "
Other Features:"
+test "$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)."