-dnl This is an autoconf script.
+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.
-AC_PREREQ(2.4.1)dnl
+dnl
+dnl Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc.
+dnl
+dnl This file is part of GNU Emacs.
+dnl
+dnl GNU Emacs is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 2, or (at your option)
+dnl 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; see the file COPYING. If not, write to
+dnl the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+
+AC_PREREQ(2.8)dnl
AC_INIT(src/lisp.h)
AC_CONFIG_HEADER(src/config.h:src/config.in)
lispdir='${datadir}/emacs/${version}/lisp'
-locallisppath='${datadir}/emacs/site-lisp:'\
-'${datadir}/emacs/${version}/site-lisp'
+locallisppath='${datadir}/emacs/${version}/site-lisp:'\
+'${datadir}/emacs/site-lisp'
lisppath='${locallisppath}:${lispdir}'
etcdir='${datadir}/emacs/${version}/etc'
lockdir='${sharedstatedir}/emacs/lock'
machine=alpha opsys=osf1
;;
- alpha-*-linux* )
- machine=alpha opsys=linux
+ alpha-*-linux* | alpha-*-lignux* )
+ machine=alpha opsys=lignux
;;
## Altos 3068
*) machine=hp800 opsys=hpux ;;
esac
;;
+ hppa-*-nextstep* )
+ machine=hp800 opsys=nextstep
+ ;;
## Orion machines
orion-orion-bsd* )
;;
* ) opsys=bsd4-2 ;;
esac
+ ## Watch out for a compiler that we know will not work.
+ case "${canonical}" in
+ *-solaris* | *-sunos5* )
+ if [ "x$CC" = x/usr/ucb/cc ]; then
+ ## /usr/ucb/cc doesn't work;
+ ## we should find some other compiler that does work.
+ unset CC
+ fi
+ ;;
+ *) ;;
+ esac
;;
sparc-*-nextstep* )
machine=sparc opsys=nextstep
*-esix5* ) opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
*-esix* ) opsys=esix ;;
*-xenix* ) opsys=xenix ;;
- *-linux* ) opsys=linux ;;
+ *-linux* | *-lignux* ) opsys=lignux ;;
*-sco3.2v4* ) opsys=sco4 ; NON_GNU_CPP=/lib/cpp ;;
*-bsd386* | *-bsdi1* ) opsys=bsd386 ;;
*-bsdi2* ) opsys=bsdos2 ;;
esac
;;
- ## Linux/68k
- m68k-*-linux* )
- machine=m68k opsys=linux
+ ## Lignux/68k
+ m68k-*-linux* | m68k-*-lignux* )
+ machine=m68k opsys=lignux
;;
* )
AC_AIX
dnl checks for header files
-AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h)
+AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h linux/version.h)
AC_HEADER_STDC
AC_HEADER_TIME
AC_DECL_SYS_SIGLIST
[AC_MSG_RESULT(yes)
HAVE_TIMEVAL=yes
AC_DEFINE(HAVE_TIMEVAL)],
- AC_MSG_RESULT(no))
+ [AC_MSG_RESULT(no)
+ HAVE_TIMEVAL=no])
dnl checks for structure members
AC_STRUCT_TM
athena | lucid ) USE_X_TOOLKIT=LUCID ;;
motif ) USE_X_TOOLKIT=MOTIF ;;
dnl open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
- * ) USE_X_TOOLKIT=none ;;
+ no ) USE_X_TOOLKIT=none ;;
+dnl If user did not say whether to use a toolkit,
+dnl make this decision later: use the toolkit if we have X11R5 or newer.
+ * ) USE_X_TOOLKIT=maybe ;;
esac
;;
none )
USE_X_TOOLKIT=none
;;
esac
-X_TOOLKIT_TYPE=$USE_X_TOOLKIT
### If we're using X11, we should use the X menu package.
HAVE_MENUS=no
### and REAL_CFLAGS (which we use for real compilation).
### The two are the same except on a few systems, where they are made
### different to work around various lossages. For example,
-### GCC 2.5 on Linux needs them to be different because it treats -g
+### GCC 2.5 on Lignux needs them to be different because it treats -g
### as implying static linking.
### If the CFLAGS env var is specified, we use that value
AC_CHECK_LIB(pthreads, cma_open)
+dnl If we can find a tparm in libcurses.a, it means we have ncurses.
+AC_CHECK_LIB(curses, tparm, HAVE_NCURSES=yes)
+if test x"${HAVE_NCURSES}" = "xyes" ; then
+ AC_DEFINE(HAVE_NCURSES)
+fi
+
AC_MSG_CHECKING(for XFree86)
if test -d /usr/X386/include; then
HAVE_XFREE386=yes
if test "${HAVE_X11}" = "yes"; then
DEFS="$C_SWITCH_X_SITE $DEFS"
- LIBS="$LD_SWITCH_X_SITE $LIBX $LIBS"
+ LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
+ LIBS="$LIBX $LIBS"
CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
- if test "${opsys}" = "linux"; then
+ # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
+ # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
+ # but it's more convenient here to set LD_RUN_PATH
+ # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
+ if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
+ LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
+ export LD_RUN_PATH
+ fi
+
+ if test "${opsys}" = "lignux"; then
AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
AC_TRY_LINK([],
[XOpenDisplay ("foo");],
AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
XScreenNumberOfScreen XSetWMProtocols)
- AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
fi
if test "${window_system}" = "x11"; then
- AC_MSG_CHECKING(X11 version)
+ AC_MSG_CHECKING(X11 version 6)
AC_TRY_LINK([#include <X11/Xlib.h>],
[#if XlibSpecificationRelease < 6
fail;
#endif
-], [AC_MSG_RESULT(6)
+], [AC_MSG_RESULT(6 or newer)
AC_DEFINE(HAVE_X11R6)],
- [AC_MSG_RESULT(not 6)])
+ [AC_MSG_RESULT(before 6)])
+fi
+
+if test x"${USE_X_TOOLKIT}" = xmaybe; then
+ AC_MSG_CHECKING(X11 version 5)
+ AC_TRY_LINK([#include <X11/Xlib.h>],
+[#if XlibSpecificationRelease < 5
+fail;
+#endif
+], [AC_MSG_RESULT(5 or newer; use toolkit by default)
+ USE_X_TOOLKIT=LUCID
+ AC_DEFINE(HAVE_X11R5)],
+ [AC_MSG_RESULT(before 5; do not use toolkit by default)
+ USE_X_TOOLKIT=none])
fi
+X_TOOLKIT_TYPE=$USE_X_TOOLKIT
+
if test "${USE_X_TOOLKIT}" != "none"; then
AC_MSG_CHECKING(X11 toolkit version)
AC_TRY_LINK([#include <X11/Intrinsic.h>],
[#if XtSpecificationRelease < 6
fail;
#endif
-], [AC_MSG_RESULT(6)
+], [AC_MSG_RESULT(6 or newer)
+ HAVE_X11XTR6=yes
AC_DEFINE(HAVE_X11XTR6)],
- [AC_MSG_RESULT(not 6)])
+ [AC_MSG_RESULT(before 6)
+ HAVE_X11XTR6=no])
+
+dnl If using toolkit, check whether libXmu.a exists.
+dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
+ OLDLIBS="$LIBS"
+ if test x$HAVE_X11XTR6 = xyes; then
+ LIBS="-lXt -lSM -lICE $LIBS"
+ else
+ LIBS="-lXt $LIBS"
+ fi
+ AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
+ LIBS="$OLDLIBS"
fi
# If netdb.h doesn't declare h_errno, we must declare it by hand.
# fmod, logb, and frexp are found in -lm on most systems.
# On HPUX 9.01, -lm does not contain logb, so check for sqrt.
-AC_CHECK_LIB(m, sqrt(0.0) + t)
+AC_CHECK_LIB(m, sqrt)
+
AC_CHECK_FUNCS(gettimeofday gethostname dup2 rename closedir mkdir rmdir \
random lrand48 bcopy bcmp logb frexp fmod ftime res_init setsid \
strerror fpathconf select mktime eaccess getpagesize tzset)
AC_MSG_CHECKING(whether localtime caches TZ)
AC_CACHE_VAL(emacs_cv_localtime_cache,
-[if test $ac_cv_func_tzset = yes; then
+[if test x$ac_cv_func_tzset = xyes; then
AC_TRY_RUN([#include <time.h>
#if STDC_HEADERS
# include <stdlib.h>
#endif
+extern char **environ;
+unset_TZ ()
+{
+ char **from, **to;
+ for (to = from = environ; (*to = *from); from++)
+ if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
+ to++;
+}
main()
{
time_t now = time ((time_t *) 0);
- int hour;
+ int hour_GMT0, hour_unset;
if (putenv ("TZ=GMT0") != 0)
exit (1);
- hour = localtime (&now)->tm_hour;
+ hour_GMT0 = localtime (&now)->tm_hour;
+ unset_TZ ();
+ hour_unset = localtime (&now)->tm_hour;
if (putenv ("TZ=PST8") != 0)
exit (1);
- exit (localtime (&now)->tm_hour == hour);
+ if (localtime (&now)->tm_hour == hour_GMT0)
+ exit (1);
+ unset_TZ ();
+ if (localtime (&now)->tm_hour != hour_unset)
+ exit (1);
+ exit (0);
}], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
[# If we have tzset, assume the worst when cross-compiling.
emacs_cv_localtime_cache=yes])
HCoop / bpt / emacs.git / blobdiff