-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)
dnl added later on when we find the path of X, and it's best to
dnl keep them together visually.
AC_ARG_WITH(x-toolkit,
-[ --with-x-toolkit=KIT use an X toolkit (KIT = yes/lucid/athena/motif)],
+[ --with-x-toolkit=KIT use an X toolkit (KIT = yes/lucid/athena/motif/no)],
[ case "${withval}" in
y | ye | yes ) val=athena ;;
n | no ) val=no ;;
vpath %.y $(srcdir)\
vpath %.l $(srcdir)\
vpath %.s $(srcdir)\
-vpath %.in $(srcdir)'
+vpath %.in $(srcdir)\
+vpath %.texi $(srcdir)'
fi
#### Given the configuration name, set machfile and opsysfile to the
*-*-netbsd* )
opsys=netbsd
case "${canonical}" in
- i[345]86-*-netbsd*) machine=intel386 ;;
+ i[3456]86-*-netbsd*) machine=intel386 ;;
m68k-*-netbsd*)
# This is somewhat bogus.
machine=hp9000s300 ;;
machine=alpha opsys=osf1
;;
- alpha-*-linux* )
- machine=alpha opsys=linux
+ alpha-*-linux-gnu* )
+ machine=alpha opsys=gnu-linux
;;
## Altos 3068
;;
## Cubix QBx/386
- i[345]86-cubix-sysv* )
+ i[3456]86-cubix-sysv* )
machine=intel386 opsys=usg5-3
;;
;;
## IBM machines
- i[345]86-ibm-aix1.1* )
+ i[3456]86-ibm-aix1.1* )
machine=ibmps2-aix opsys=usg5-2-2
;;
- i[345]86-ibm-aix1.[23]* | i[345]86-ibm-aix* )
+ i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
machine=ibmps2-aix opsys=usg5-3
;;
i370-ibm-aix*)
;;
## Intel 386 machines where we do care about the manufacturer
- i[345]86-intsys-sysv* )
+ i[3456]86-intsys-sysv* )
machine=is386 opsys=usg5-2-2
;;
## Prime EXL
- i[345]86-prime-sysv* )
+ i[3456]86-prime-sysv* )
machine=i386 opsys=usg5-3
;;
## Sequent Symmetry running Dynix
- i[345]86-sequent-bsd* )
+ i[3456]86-sequent-bsd* )
machine=symmetry opsys=bsd4-3
;;
## Sequent Symmetry running DYNIX/ptx
## Use the old cpp rather than the newer ANSI one.
- i[345]86-sequent-ptx* )
+ i[3456]86-sequent-ptx* )
machine=sequent-ptx opsys=ptx
NON_GNU_CPP="/lib/cpp"
;;
## Unspecified sysv on an ncr machine defaults to svr4.2.
## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
- i[345]86-ncr-sysv* )
+ i[3456]86-ncr-sysv* )
machine=ncr386 opsys=usg5-4-2
;;
machine=iris4d opsys=irix4-0
;;
mips-sgi-irix6* )
- machine=iris4d opsys=irix6-0 NON_GNU_CPP=/lib/cpp
+ machine=iris4d opsys=irix6-0
+ NON_GNU_CPP=/lib/cpp
+ NON_GCC_TEST_OPTIONS=-32
;;
mips-sgi-irix5.[01]* )
machine=iris4d opsys=irix5-0
;;
## Suns
+ sparc-*-linux-gnu* )
+ machine=sparc opsys=gnu-linux
+ ;;
+
*-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
- | i[345]86-*-solaris2* | i[345]86-*-sunos5* | powerpc*-*-solaris2* \
+ | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
| rs6000-*-solaris2*)
case "${canonical}" in
m68*-sunos1* ) machine=sun1 ;;
m68*-sunos2* ) machine=sun2 ;;
m68* ) machine=sun3 ;;
- i[345]86-sun-sunos[34]* ) machine=sun386 ;;
- i[345]86-*-* ) machine=intel386 ;;
- powerpc* | rs6000* ) machine=rs6000 ;;
+ i[3456]86-sun-sunos[34]* ) machine=sun386 ;;
+ i[3456]86-*-* ) machine=intel386 ;;
+ powerpc* | rs6000* ) machine=ibmrs6000 ;;
sparc* ) machine=sparc ;;
* ) unported=yes ;;
esac
case "${canonical}" in
## The Sun386 didn't get past 4.0.
- i[345]86-*-sunos4 ) opsys=sunos4-0 ;;
+ i[3456]86-*-sunos4 ) opsys=sunos4-0 ;;
*-sunos4.0* ) opsys=sunos4-0 ;;
*-sunos4.1.[3-9]* | *-sunos4shr*)
opsys=sunos4shr
NON_GNU_CPP=/usr/lib/cpp
;;
- *-sunos4.1.[3-9]*-noshare )
+ *-sunos4.1.[3-9]*noshare )
opsys=sunos4-1-3
NON_GNU_CPP=/usr/lib/cpp
NON_GCC_TEST_OPTIONS=-Bstatic
;;
* ) 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
;;
## Intel 386 machines where we don't care about the manufacturer
- i[345]86-*-* )
+ i[3456]86-*-* )
machine=intel386
case "${canonical}" in
*-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
*-esix5* ) opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
*-esix* ) opsys=esix ;;
*-xenix* ) opsys=xenix ;;
- *-linux* ) opsys=linux ;;
+ *-linux-gnu* ) opsys=gnu-linux ;;
*-sco3.2v4* ) opsys=sco4 ; NON_GNU_CPP=/lib/cpp ;;
+ *-sco3.2v5* ) opsys=sco5
+ NON_GNU_CPP=/lib/cpp
+ # Prevent -belf from being passed to $CPP.
+ # /lib/cpp does not accept it.
+ OVERRIDE_CPPFLAGS=
+ ;;
*-bsd386* | *-bsdi1* ) opsys=bsd386 ;;
*-bsdi2* ) opsys=bsdos2 ;;
*-386bsd* ) opsys=386bsd ;;
esac
;;
- ## Linux/68k
- m68k-*-linux* )
- machine=m68k opsys=linux
+ ## Linux/68k-based GNU system
+ m68k-*-linux-gnu* )
+ machine=m68k opsys=gnu-linux
;;
* )
opsys=usg5-4 ;;
*-sysv4.[2-9]* | *-sysvr4.[2-9]* )
if [ x$NON_GNU_CPP = x ]; then
- NON_GNU_CPP=/usr/ccs/lib/cpp
+ if [ -f /usr/ccs/lib/cpp ]; then
+ NON_GNU_CPP=/usr/ccs/lib/cpp
+ else
+ NON_GNU_CPP=/lib/cpp
+ fi
fi
opsys=usg5-4-2 ;;
*-sysv4* | *-sysvr4* ) opsys=usg5-4 ;;
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
### 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 GNU/Linux needs them to be different because it treats -g
### as implying static linking.
### If the CFLAGS env var is specified, we use that value
#### Add the libraries to LIBS and check for some functions.
-CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
+if test x"${OVERRIDE_CPPFLAGS}" != x; then
+ CPPFLAGS="$(OVERRIDE_CPPFLAGS)"
+else
+ CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
+fi
+
LIBS="$libsrc_libs $LIBS"
dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
if test "${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}" = "gnu-linux"; 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 "${window_system}" = "x11"; then
[#if XlibSpecificationRelease < 6
fail;
#endif
-], [AC_MSG_RESULT(6)
+], [AC_MSG_RESULT(6 or newer)
AC_DEFINE(HAVE_X11R6)],
- [AC_MSG_RESULT(not 6)])
+ [AC_MSG_RESULT(before 6)])
fi
-if test x"${USE_X_TOOLKIT}" = xmaybe; then
+if test "${window_system}" = "x11"; then
AC_MSG_CHECKING(X11 version 5)
AC_TRY_LINK([#include <X11/Xlib.h>],
[#if XlibSpecificationRelease < 5
fail;
#endif
-], [AC_MSG_RESULT(5, use toolkit)
- USE_X_TOOLKIT=LUCID
+], [AC_MSG_RESULT(5 or newer)
+ HAVE_X11R5=yes
AC_DEFINE(HAVE_X11R5)],
- [AC_MSG_RESULT(not 5, do not use toolkit)
- USE_X_TOOLKIT=none])
+ [
+ HAVE_X11R5=no
+ AC_MSG_RESULT(before 5)])
+fi
+
+dnl Do not put whitespace before the #include statements below.
+dnl Older compilers (eg sunos4 cc) choke on it.
+if test x"${USE_X_TOOLKIT}" = xmaybe; then
+ if test x"${HAVE_X11R5}" = xyes; then
+ AC_MSG_CHECKING(X11 version 5 with Xaw)
+ AC_TRY_LINK([
+#include <X11/Intrinsic.h>
+#include <X11/Xaw/Simple.h>],
+ [],
+ [AC_MSG_RESULT(5 or newer, with Xaw; use toolkit by default)
+ USE_X_TOOLKIT=LUCID],
+ [AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
+ USE_X_TOOLKIT=none])
+ else
+ USE_X_TOOLKIT=none
+ fi
fi
X_TOOLKIT_TYPE=$USE_X_TOOLKIT
[#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)
+strerror fpathconf select mktime euidaccess getpagesize tzset setlocale)
+
+# Check this now, so that we will NOT find the above functions in ncurses.
+# That is because we have not set up to link ncurses in lib-src.
+# It's better to believe a function is not available
+# than to expect to find it in ncurses.
+AC_CHECK_LIB(ncurses, tparm)
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