dnl - non-standard options
dnl - suport 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 - various random kludges (e.g. -with-dnet=no)
dnl PRINT_VAR(var var ...) prints values of shell variables
define([PRINT_VAR],[for var in patsubst([$1],[[
done
;;
- dnl Has the user specified a prefered Athena widget set?
+ dnl Has the user specified a preferred Athena widget set?
dnl This bit expands any alias names out for us...
"with_athena" )
case "$val" in
clipper-* ) machine=clipper ;;
arm* ) machine=arm ;;
ns32k-* ) machine=ns32000 ;;
- s390-* ) machine=s390 ;;
esac
dnl Straightforward OS determination
*-dec-osf1.2 | *-dec-osf1* ) opsys=decosf1-2 ;;
*-dec-osf3.[[2-9]] ) opsys=decosf3-2 ;;
*-dec-osf3* ) opsys=decosf3-1 ;;
- *-dec-osf4* ) opsys=decosf4-0 ;;
+ *-dec-osf[[4-9]]* ) opsys=decosf4-0 ;;
dnl DEC Ultrix
*-*-ultrix[[0-3]].* | *-*-ultrix4.0* ) opsys=bsd4-2 ;;
esac
-if test -z "$machine" -o -z "$opsys"; then
- (echo "$progname: XEmacs hasn't been ported to \`$canonical' systems."
- echo "$progname: Check \`etc/MACHINES' for recognized configuration names."
- ) >&2
- exit 1
+dnl Initialize machine and opsys from $canonical if not in our database above.
+test -z "$machine" && machine=`echo $canonical | sed 's/-.*$//'`
+test -z "$opsys" && opsys=`echo $canonical | sed 's/^[^-]*-[^-]*-//'`
+
+dnl Use configure-time autodetection if s&m not available
+if test -r "${srcdir}/src/m/${machine}.h"; then
+ machfile="m/${machine}.h"
+ AC_DEFINE_UNQUOTED(config_machfile, "$machfile")
+else
+ echo "XEmacs has no builtin knowledge of \`$machine' machines."
+ echo "Using configure-time autodetection only."
+fi
+
+if test -r "${srcdir}/src/s/${opsys}.h"; then
+ opsysfile="s/${opsys}.h"
+ AC_DEFINE_UNQUOTED(config_opsysfile, "$opsysfile")
+else
+ echo "XEmacs has no builtin knowledge of \`$opsys' operating systems."
+ echo "Using configure-time autodetection only."
fi
+
if test -z "$dynamic"; then
case "$opsys" in
hpux* | sunos4* ) dynamic=no ;;
stack_trace_eye_catcher=`echo ${PROGNAME}_${version}_${canonical} | sed 'y/.-/__/'`
AC_DEFINE_UNQUOTED(STACK_TRACE_EYE_CATCHER, $stack_trace_eye_catcher)
-machfile="m/${machine}.h"
-opsysfile="s/${opsys}.h"
-
dnl --------------------------------------------------
dnl Determine the compiler, set up for feature testing
dnl --------------------------------------------------
return 11;
#elif defined __DECC
return 12;
+#elif defined __USLC__ && defined __SCO_VERSION__
+return 13;
#else
return 0;
#endif
[case "$conftest_rc" in
11) echo "You appear to be using the SunPro C compiler."; __SUNPRO_C=yes ;;
12) echo "You appear to be using the DEC C compiler." ; __DECC=yes ;;
+ 13) echo "You appear to be using the SCO C compiler." ; __USLC__=yes ;;
esac])
[#]endif
])dnl CPP_boolean_to_sh
-cat > $tempcname <<EOF
+cat > $tempcname < confdefs.h
+cat >> $tempcname <<EOF
#define NOT_C_CODE
#define C_SWITCH_SITE
#define C_SWITCH_X_SITE
#define LD_SWITCH_X_SITE
#define LD_SWITCH_X_SITE_AUX
#define OS_RELEASE $os_release
+
+#ifdef config_opsysfile
#include "$srcdir/src/$opsysfile"
+#endif
+
+#ifdef config_machfile
#include "$srcdir/src/$machfile"
+#endif
CPP_to_sh(LIBS_MACHINE, libs_machine)
CPP_to_sh(LIBS_SYSTEM, libs_system)
dnl Non-ordinary link usually requires -lc
test "$ordinary_link" = "no" -a -z "$libs_standard" && libs_standard="-lc"
+dnl -----------------------
dnl Compiler-specific hacks
+dnl -----------------------
+
dnl DEC C `-std1' means ANSI C mode
test "$__DECC" = "yes" && XE_APPEND(-std1, c_switch_site)
+dnl Some versions of SCO native compiler need -Kalloca
+if test "$__USLC__" = yes; then
+ AC_MSG_CHECKING(for whether the -Kalloca compiler flag is needed)
+ need_kalloca=no
+ AC_TRY_LINK([], [void *x = alloca(4);], [:], [
+ xe_save_c_switch_system="$c_switch_system"
+ c_switch_system="$c_switch_system -Kalloca"
+ AC_TRY_LINK([], [void *x = alloca(4);], [ need_kalloca=yes ])
+ c_switch_system="$xe_save_c_switch_system"])
+ AC_MSG_RESULT($need_kalloca)
+ test "$need_kalloca" = "yes" && XE_APPEND(-Kalloca,c_switch_system)
+fi
+
dnl Calculalate value of CFLAGS:
dnl Use either command line flag, environment var, or autodetection
if test "$cflags_specified" = "no"; then
case "$CFLAGS" in
*-fno-schedule-insns*) ;;
*)
- AC_MSG_RESULT(Yes)
+ AC_MSG_RESULT(yes)
AC_MSG_WARN(Don't use -O2 with gcc 2.8.1 and egcs 1.0 under SPARC architectures)
AC_MSG_WARN(without also using -fno-schedule-insns.)
AC_MSG_ERROR(Aborting due to known problem)
dnl egcs-2.91.57 (egcs-1.1 release)
dnl egcs-2.91.66 (egcs-1.1.2 release)
Linux:alpha:egcs-2.91.*)
- AC_MSG_RESULT(Yes)
+ AC_MSG_RESULT(yes)
AC_MSG_WARN(There have been reports of egcs-1.1 not compiling XEmacs correctly on)
AC_MSG_WARN(Alpha Linux. There have also been reports that egcs-1.0.3a is O.K.)
AC_MSG_ERROR(Aborting due to known problem)
case "$CFLAGS" in
*-fno-strength-reduce*) ;;
*)
- AC_MSG_RESULT(Yes)
+ AC_MSG_RESULT(yes)
AC_MSG_WARN(Don't use -O2 with gcc 2.7.2 under Intel/XXX without also using)
AC_MSG_WARN(-fno-strength-reduce.)
AC_MSG_ERROR(Aborting due to known problem)
case "$CFLAGS" in
*-fno-caller-saves*) ;;
*)
- AC_MSG_RESULT(Yes)
+ 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
-AC_MSG_RESULT(No)
dnl Inform compiler that certain flags are meant for the linker
dnl XE_PROTECT_LINKER_FLAGS(shell_var)
dnl checks for header files
AC_CHECK_HEADERS(dnl
a.out.h dnl
+ elf.h dnl
cygwin/version.h dnl
fcntl.h dnl
inttypes.h dnl
mach/mach.h dnl
sys/param.h dnl
sys/pstat.h dnl
- sys/stropts.h dnl
sys/time.h dnl
sys/timeb.h dnl
sys/un.h dnl
- kstat.h dnl
ulimit.h dnl
unistd.h dnl
utime.h dnl
done
dnl Avoid version mismatch for shared library libXm.so on osf4
- if test "$GCC" = yes -a -d /usr/shlib; then XE_APPEND(-L/usr/shlib, X_LIBS); fi
+ case "$opsys" in
+ decosf*) if test "$GCC" = yes -a -d /usr/shlib; then XE_APPEND(-L/usr/shlib, X_LIBS); fi ;;
+ esac
ld_switch_x_site="$X_LIBS"
AC_MSG_RESULT(R${x11_release})
AC_DEFINE_UNQUOTED(THIS_IS_X11R${x11_release})
+ if test "${x11_release}" = "4"; then
+ case "$with_widgets" in
+ "" | "no") with_widgets=no ;;
+ *) XE_DIE("Widget support requires X11R5 or greater") ;;
+ esac
+ fi
+
AC_CHECK_FUNCS(XConvertCase)
AC_CHECK_HEADERS(X11/Xlocale.h)
- dnl remove this - we should avoid checking for specific OS
- AC_MSG_CHECKING(for XFree86)
- if test -d "/usr/X386/include" -o \
- -f "/etc/XF86Config" -o \
- -f "/etc/X11/XF86Config" -o \
- -f "/usr/X11R6/lib/X11/XF86Config"; then
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_XFREE386)
- else
- AC_MSG_RESULT(no)
- fi
+ dnl XFree86 has a non-standard prototype for this X11R6 function
+ AC_CHECK_FUNCS(XRegisterIMInstantiateCallback)
+ AC_MSG_CHECKING(for standard XRegisterIMInstantiateCallback prototype)
+ AC_TRY_COMPILE([
+#define NeedFunctionPrototypes 1
+#include <X11/Xlib.h>
+extern Bool XRegisterIMInstantiateCallback(
+ Display*, struct _XrmHashBucketRec*, char*, char*, XIMProc, XPointer*);
+], [],
+ [AC_MSG_RESULT(yes)],
+ [AC_MSG_RESULT(no)
+ AC_DEFINE(XREGISTERIMINSTANTIATECALLBACK_NONSTANDARD_PROTOTYPE)])
dnl autodetect -lXmu
test -z "$with_xmu" && { AC_CHECK_LIB(Xmu, XmuReadBitmapDataFromFile,
done
fi
+dnl Balloon Help requires the Shape extension, not available everywhere,
+dnl for example not on AIX 4.3.
+if test "$with_x11" = "yes"; then
+ AC_CHECK_HEADER(X11/extensions/shape.h, [
+ AC_DEFINE(HAVE_BALLOON_HELP)
+ XE_ADD_OBJS(balloon_help.o balloon-x.o)])
+fi
+
dnl FSF 19.29 has some bitmapdir stuff here.
bitmapdir=
dnl Autodetect Drag'n'Drop support
dnl always included if CDE, Offix, or MSWindows are defined
-AC_MSG_CHECKING(if drag and drop API is needed)
if test "$with_dragndrop" != "no" ; then
+ AC_MSG_CHECKING(if drag and drop API is needed)
if test -n "$dragndrop_proto" ; then
with_dragndrop=yes
AC_MSG_RESULT([yes (${dragndrop_proto} )])
XE_COMPUTE_RUNPATH()
fi
-AC_CHECK_FUNCS(cbrt closedir dup2 eaccess fmod fpathconf frexp ftime getaddrinfo gethostname getnameinfo getpagesize gettimeofday getcwd getpt getwd logb lrand48 matherr mkdir mktime perror poll random rename res_init rint rmdir select setitimer setpgid setlocale setsid sigblock sighold sigprocmask snprintf stpcpy strcasecmp strerror tzset ulimit usleep utimes waitpid vsnprintf fsync ftruncate umask)
+AC_CHECK_FUNCS(cbrt closedir dup2 eaccess fmod fpathconf frexp ftime getaddrinfo gethostname getnameinfo getpagesize gettimeofday getcwd getwd logb lrand48 matherr mkdir mktime perror poll random rename res_init rint rmdir select setitimer setpgid setlocale setsid sigblock sighold sigprocmask snprintf stpcpy strerror tzset ulimit usleep utimes waitpid vsnprintf fsync ftruncate umask)
+
+dnl Check for PTY support functions.
+dnl getpt is the preferred pty allocation method on glibc systems.
+dnl _getpty is the preferred pty allocation method on SGI systems.
+dnl grantpt, unlockpt, ptsname are defined by Unix98.
+AC_CHECK_FUNCS(getpt _getpty grantpt unlockpt ptsname killpg tcgetpgrp)
+
+dnl openpty is the preferred pty allocation method on BSD and Tru64 systems.
+dnl openpty might be declared in pty.h or in libutil.h.
+AC_CHECK_FUNC(openpty, have_openpty=yes, [
+ AC_CHECK_LIB(util, openpty, have_openpty=yes need_libutil=yes)])
+if test "$have_openpty" = "yes"; then
+ AC_DEFINE(HAVE_OPENPTY)
+ AC_CHECK_HEADERS(pty.h libutil.h)
+ test "$need_libutil" = "yes" && XE_APPEND(-lutil, libs_system)
+fi
+
+dnl Check for STREAM support functions.
+dnl Confusingly, "str" means both "string" and "SysV Streams".
+AC_CHECK_HEADERS(stropts.h)
+if test "$ac_cv_header_stropts_h" = "yes"; then
+ AC_CHECK_FUNCS(isastream)
+ AC_CHECK_HEADERS(strtio.h) dnl TIOCSIGNAL
+fi
dnl Use our own realpath always.
XE_ADD_OBJS(realpath.o)
-dnl Check whether the system provides getloadavg (Solaris 7 has it)
+dnl Check whether the system provides getloadavg().
AC_CHECK_FUNCS(getloadavg)
-if test "$ac_cv_func_getloadavg" != "yes"
-then
+if test "$ac_cv_func_getloadavg" = "yes"; then
+ dnl Solaris 8 declares getloadavg() in <sys/loadavg.h>.
+ dnl glibc 2.2 declares getloadavg() in <stdlib.h>...
+ dnl ...if we #define _GNU_SOURCE, which we do.
+ AC_CHECK_HEADERS(sys/loadavg.h)
+else
+ dnl We define our own getloadavg() using lower level functions.
XE_ADD_OBJS(getloadavg.o)
dnl Used by getloadavg() - does not require root priveleges
AC_CHECK_LIB(kstat, kstat_open)
+ AC_CHECK_HEADERS(kstat.h)
dnl Another way to get the load average
AC_CHECK_LIB(kvm, kvm_read)
dnl AC_CHECK_FUNC(alloca, [:], [AC_CHECK_LIB(PW, alloca)])
dnl esac
-AC_FUNC_ALLOCA
-test -n "$ALLOCA" && XE_ADD_OBJS($ALLOCA)
+dnl AC_FUNC_ALLOCA doesn't know about DEC C's #pragma intrinsic(alloca)
+if test "$__DECC" != "yes"; then
+ AC_FUNC_ALLOCA
+ test -n "$ALLOCA" && XE_ADD_OBJS($ALLOCA)
+fi
dnl Check whether vfork exists and works correctly. (This does more
dnl than just check for its existence.) If so, it defines HAVE_VFORK_H.
XE_SPACE(ac_configure_args, $ac_configure_args)
AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "$configuration")
AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "$ac_configure_args")
-AC_DEFINE_UNQUOTED(config_machfile, "$machfile")
-AC_DEFINE_UNQUOTED(config_opsysfile, "$opsysfile")
dnl Following are deprecated
if test -n "$runpath"; then
echo " Runtime library search path: $runpath"
fi
-echo " Operating system description file: \`$opsysfile'"
-echo " Machine description file: \`$machfile'"
+
+if test -n "$opsysfile"
+then echo " Operating system description file: \`$opsysfile'"
+else echo " Not using any operating system description file"
+fi
+if test -n "$machfile"
+then echo " Machine description file: \`$machfile'"
+else echo " Not using any machine description file"
+fi
+
echo " Compiler: $CC $CFLAGS"
echo " Relocating allocator for buffers: $rel_alloc"
echo " GNU version of malloc: ${GNU_MALLOC}${GNU_MALLOC_reason}"
-e 's/^[ TAB][ TAB]*$//'\
-e 's/^ /TAB/' \
dnl Delete blank lines
- | sed -n -e '/^..*$/p' \
+ -e '/^[ \f]*$/d' \
dnl Restore lines quoted above to original contents.
- | sed '/^\"/ {
+ -e '/^\"/ {
s/\\\([\"]\)/\1/g
s/^[ TAB]*\"//
s/\"[ TAB]*$//