dnl autoconf
dnl in the directory containing this script.
dnl
-dnl Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc.
+dnl Copyright (C) 1994, 1995, 1996, 1999 Free Software Foundation, Inc.
dnl
dnl This file is part of GNU Emacs.
dnl
docdir='${datadir}/emacs/${version}/etc'
AC_ARG_WITH(gcc,
-[ --with-gcc use GCC to compile Emacs])
+[ --without-gcc don't use GCC to compile Emacs if GCC is found])
AC_ARG_WITH(pop,
-[ --with-pop support POP for mail retrieval],
-[AC_DEFINE(MAIL_USE_POP)])
+[ --without-pop don't support POP mail retrieval with movemail],
+[if test "$withval" = yes; then
+ AC_DEFINE(MAIL_USE_POP)
+else :
+fi],
+AC_DEFINE(MAIL_USE_POP))
AC_ARG_WITH(hesiod,
[ --with-hesiod support Hesiod to get the POP server host],
[AC_DEFINE(HESIOD)])
[ --with-gif use -lungif for displaying GIF images])
AC_ARG_WITH(png,
[ --with-png use -lpng for displaying PNG images])
-AC_ARG_WITH(sound,
-[ --with-sound native sound support for GNU/Linux and free BSDs])
AC_ARG_WITH(toolkit-scroll-bars,
-[ --with-toolkit-scroll-bars use Motif or Xaw3d scroll bars])
+[ --without-toolkit-scroll-bars don't use Motif or Xaw3d scroll bars])
#### Make srcdir absolute, if it isn't already. It's important to
#### avoid running the path through pwd unnecessary, since pwd can
;;
mips-sgi-irix6.5 )
machine=iris4d opsys=irix6-5
- NON_GNU_CPP=/lib/cpp
- NON_GCC_TEST_OPTIONS="-n32 -G0"
+ # Without defining _LANGUAGE_C, things get masked out in the headers
+ # so that, for instance, grepping for `free' in stdlib.h fails and
+ # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
+ NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
+ NON_GCC_TEST_OPTIONS="-n32 -G0 -D_LANGUAGE_C"
;;
mips-sgi-irix6* )
machine=iris4d opsys=irix6-0
- NON_GNU_CPP=/lib/cpp
+ # It's not clear whether -D_LANGUAGE_C is necessary as for 6.5,
+ # but presumably it does no harm.
+ NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
NON_GCC_TEST_OPTIONS=-32
;;
mips-sgi-irix5.[01]* )
AC_AIX
# Sound support for GNU/Linux and the free BSDs.
-if test "${with_sound}" = ""; then
- with_sound=no
-fi
-if test "${with_sound}" != "no"; then
- AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h)
-fi
+AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h)
dnl checks for header files
-AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h termcap.h)
+AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
+ linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
+ termcap.h stdio_ext.h)
AC_HEADER_STDC
AC_HEADER_TIME
AC_DECL_SYS_SIGLIST
dnl checks for structure members
AC_STRUCT_TM
AC_STRUCT_TIMEZONE
+AC_CACHE_CHECK(for tm_gmtoff in struct tm, emacs_cv_tm_gmtoff,
+AC_TRY_LINK([#include <time.h>], [struct tm t; t.tm_gmtoff = 0],
+ emacs_cv_tm_gmtoff=yes,
+ emacs_cv_tm_gmtoff=no))
+if test $emacs_cv_tm_gmtoff = yes; then
+ AC_DEFINE(HAVE_TM_GMTOFF)
+fi
dnl checks for compiler characteristics
AC_C_CONST
for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
if test -d "${bmd}/X11/bitmaps"; then
bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
- elif test -d "${bmd}/bitmaps"; then
+ fi
+ if test -d "${bmd}/bitmaps"; then
bmd_acc="${bmd_acc}:${bmd}/bitmaps"
fi
done
case ${HAVE_X11} in
yes ) HAVE_MENUS=yes ;;
esac
-
-### Is -lXaw3d available?
-HAVE_XAW3D=no
-if test "${HAVE_X11}" = "yes"; then
- if test "${USE_X_TOOLKIT}" != "none"; then
- old_c_flags="${CFLAGS}"
- CFLAGS="${LD_SWITCH_X_SITE}"
- AC_CHECK_HEADER(X11/Xaw3d/Scrollbar.h,
- AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes, , -lX11))
- CFLAGS="${old_c_flags}"
-
- if test "${HAVE_XAW3D}" = "yes"; then
- AC_DEFINE(HAVE_XAW3D)
- fi
- fi
-fi
-
-### Use -lXpm if available, unless `--with-xpm=no'.
-HAVE_XPM=no
-if test "${HAVE_X11}" = "yes"; then
- if test "${with_xpm}" != "no"; then
- old_c_flags="${CFLAGS}"
- CFLAGS="${LD_SWITCH_X_SITE}"
- AC_CHECK_HEADER(X11/xpm.h,
- AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11))
- CFLAGS="${old_c_flags}"
- fi
-
- if test "${HAVE_XPM}" = "yes"; then
- AC_DEFINE(HAVE_XPM)
- fi
-fi
-
-### Use -ljpeg if available, unless `--with-jpeg=no'.
-HAVE_JPEG=no
-if test "${HAVE_X11}" = "yes"; then
- if test "${with_jpeg}" != "no"; then
- old_c_flags="${CFLAGS}"
- CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
- AC_CHECK_HEADER(jpeglib.h,
- AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes, , -lX11))
- CFLAGS="${old_c_flags}"
- fi
-
- if test "${HAVE_JPEG}" = "yes"; then
- AC_DEFINE(HAVE_JPEG)
- fi
-fi
-
-### Use -lpng if available, unless `--with-png=no'.
-HAVE_PNG=no
-if test "${HAVE_X11}" = "yes"; then
- if test "${with_png}" != "no"; then
- old_c_flags="${CFLAGS}"
- CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
- AC_CHECK_HEADER(png.h,
- AC_CHECK_LIB(png, png_set_expand, HAVE_PNG=yes, , -lX11 -lz -lm))
- CFLAGS="${old_c_flags}"
- fi
-
- if test "${HAVE_PNG}" = "yes"; then
- AC_DEFINE(HAVE_PNG)
- fi
-fi
-
-### Use -ltiff if available, unless `--with-tiff=no'.
-HAVE_TIFF=no
-if test "${HAVE_X11}" = "yes"; then
- if test "${with_tiff}" != "no"; then
- old_c_flags="${CFLAGS}"
- CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
- AC_CHECK_HEADER(tiffio.h,
- AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , -lX11))
- CFLAGS="${old_c_flags}"
- fi
-
- if test "${HAVE_TIFF}" = "yes"; then
- AC_DEFINE(HAVE_TIFF)
- fi
-fi
-
-### Use -lgif if available, unless `--with-gif=no'.
-HAVE_GIF=no
-if test "${HAVE_X11}" = "yes"; then
- if test "${with_gif}" != "no"; then
- old_c_flags="${CFLAGS}"
- CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
- AC_CHECK_HEADER(gif_lib.h,
- AC_CHECK_LIB(ungif, DGifOpenFileName, HAVE_GIF=yes, , -lX11))
- CFLAGS="${old_c_flags}"
- fi
-
- if test "${HAVE_GIF}" = "yes"; then
- AC_DEFINE(HAVE_GIF)
- fi
-fi
if test "${opsys}" = "hpux9"; then
case "${x_libraries}" in
X_TOOLKIT_TYPE=$USE_X_TOOLKIT
-dnl Use toolkit scroll bars if configured for X toolkit and either
-dnl using Motif or Xaw3d is available, and unless
-dnl --with-toolkit-scroll-bars=no was specified.
-
-USE_TOOLKIT_SCROLL_BARS=no
-if test "${with_toolkit_scroll_bars}" != "no"; then
- if test "${USE_X_TOOLKIT}" != "none"; then
- if test "${USE_X_TOOLKIT}" = "MOTIF"; then
- AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
- HAVE_XAW3D=no
- USE_TOOLKIT_SCROLL_BARS=yes
- elif test "${HAVE_XAW3D}" = "yes"; then
- AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
- USE_TOOLKIT_SCROLL_BARS=yes
- fi
- fi
-fi
-
if test "${USE_X_TOOLKIT}" != "none"; then
AC_MSG_CHECKING(X11 toolkit version)
AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
fi
fi
+### Is -lXaw3d available?
+HAVE_XAW3D=no
+if test "${HAVE_X11}" = "yes"; then
+ if test "${USE_X_TOOLKIT}" != "none"; then
+ old_c_flags="${CFLAGS}"
+ CFLAGS="${LD_SWITCH_X_SITE}"
+ AC_CHECK_HEADER(X11/Xaw3d/Scrollbar.h,
+ AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes, , -lX11))
+ CFLAGS="${old_c_flags}"
+
+ if test "${HAVE_XAW3D}" = "yes"; then
+ AC_DEFINE(HAVE_XAW3D)
+ fi
+ fi
+fi
+
+dnl Use toolkit scroll bars if configured for X toolkit and either
+dnl using Motif or Xaw3d is available, and unless
+dnl --with-toolkit-scroll-bars=no was specified.
+
+USE_TOOLKIT_SCROLL_BARS=no
+if test "${with_toolkit_scroll_bars}" != "no"; then
+ if test "${USE_X_TOOLKIT}" != "none"; then
+ if test "${USE_X_TOOLKIT}" = "MOTIF"; then
+ AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
+ HAVE_XAW3D=no
+ USE_TOOLKIT_SCROLL_BARS=yes
+ elif test "${HAVE_XAW3D}" = "yes"; then
+ AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
+ USE_TOOLKIT_SCROLL_BARS=yes
+ fi
+ fi
+fi
+
+### Use -lXpm if available, unless `--with-xpm=no'.
+HAVE_XPM=no
+if test "${HAVE_X11}" = "yes"; then
+ if test "${with_xpm}" != "no"; then
+ old_c_flags="${CFLAGS}"
+ CFLAGS="${LD_SWITCH_X_SITE}"
+ AC_CHECK_HEADER(X11/xpm.h,
+ AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11))
+ CFLAGS="${old_c_flags}"
+ fi
+
+ if test "${HAVE_XPM}" = "yes"; then
+ AC_DEFINE(HAVE_XPM)
+ fi
+fi
+
+### Use -ljpeg if available, unless `--with-jpeg=no'.
+HAVE_JPEG=no
+if test "${HAVE_X11}" = "yes"; then
+ if test "${with_jpeg}" != "no"; then
+ old_c_flags="${CFLAGS}"
+ CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
+ AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes, , -lX11)
+ CFLAGS="${old_c_flags}"
+ fi
+
+ if test "${HAVE_JPEG}" = "yes"; then
+ AC_DEFINE(HAVE_JPEG)
+ fi
+fi
+
+### Use -lpng if available, unless `--with-png=no'.
+HAVE_PNG=no
+if test "${HAVE_X11}" = "yes"; then
+ if test "${with_png}" != "no"; then
+ old_c_flags="${CFLAGS}"
+ CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
+ AC_CHECK_HEADER(png.h,
+ AC_CHECK_LIB(png, png_set_expand, HAVE_PNG=yes, , -lX11 -lz -lm))
+ CFLAGS="${old_c_flags}"
+ fi
+
+ if test "${HAVE_PNG}" = "yes"; then
+ AC_DEFINE(HAVE_PNG)
+ fi
+fi
+
+### Use -ltiff if available, unless `--with-tiff=no'.
+HAVE_TIFF=no
+if test "${HAVE_X11}" = "yes"; then
+ if test "${with_tiff}" != "no"; then
+ old_c_flags="${CFLAGS}"
+ CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
+ AC_CHECK_HEADER(tiffio.h,
+ AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , -lX11 -lm))
+ CFLAGS="${old_c_flags}"
+ fi
+
+ if test "${HAVE_TIFF}" = "yes"; then
+ AC_DEFINE(HAVE_TIFF)
+ fi
+fi
+
+### Use -lgif if available, unless `--with-gif=no'.
+HAVE_GIF=no
+if test "${HAVE_X11}" = "yes"; then
+ if test "${with_gif}" != "no"; then
+ old_c_flags="${CFLAGS}"
+ CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
+ AC_CHECK_HEADER(gif_lib.h,
+ AC_CHECK_LIB(ungif, DGifOpenFileName, HAVE_GIF=yes, , -lX11))
+ CFLAGS="${old_c_flags}"
+ fi
+
+ if test "${HAVE_GIF}" = "yes"; then
+ AC_DEFINE(HAVE_GIF)
+ fi
+fi
+
# If netdb.h doesn't declare h_errno, we must declare it by hand.
AC_CACHE_CHECK(whether netdb declares h_errno,
emacs_cv_netdb_declares_h_errno,
AC_CHECK_LIB(m, sqrt)
# Check for mail-locking functions in a "mail" library
-AC_CHECK_LIB(mail, maillock,
- AC_DEFINE(HAVE_LIBMAIL)
- AC_CHECK_FUNCS(touchlock)
- AC_CHECK_HEADERS(maillock.h))
+AC_CHECK_LIB(mail, maillock)
+dnl Debian, at least:
+dnl AC_CHECK_LIB(lockfile, maillock, [AC_DEFINE(HAVE_LIBMAIL)])
+AC_CHECK_LIB(lockfile, maillock)
+# If we have the shared liblockfile, assume we must use it for mail
+# locking (e.g. Debian). If we couldn't link against liblockfile
+# (no liblockfile.a installed), ensure that we don't need to.
+if test "$ac_cv_lib_lockfile_maillock" = no; then
+ dnl This works for files generally, not just executables.
+ dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
+ AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
+ /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
+ if test $ac_cv_prog_liblockfile = yes; then
+ AC_MSG_ERROR([Shared liblockfile found but can't link against it.
+This probably means that movemail could lose mail.
+There may be a \`development' package to install containing liblockfile.])
+ else AC_DEFINE(LIBMAIL, -llockfile)
+ fi
+ else :
+fi
+AC_CHECK_FUNCS(touchlock)
+AC_CHECK_HEADERS(maillock.h)
AC_CHECK_FUNCS(gettimeofday gethostname getdomainname dup2 \
rename closedir mkdir rmdir sysinfo \
random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
-utimes setrlimit setpgid getcwd shutdown strftime getaddrinfo)
+utimes setrlimit setpgid getcwd shutdown strftime getaddrinfo \
+__fpending ftello getloadavg mblen mbrlen strsignal)
# Check this now, so that we will NOT find the above functions in ncurses.
# That is because we have not set up to link ncurses in lib-src.
AC_CACHE_VAL(emacs_cv_localtime_cache,
[if test x$ac_cv_func_tzset = xyes; then
AC_TRY_RUN([#include <time.h>
-#if STDC_HEADERS
-# include <stdlib.h>
-#endif
extern char **environ;
unset_TZ ()
{
AC_DEFINE(HAVE_AIX_SMT_EXP)
fi
+AC_MSG_CHECKING(whether system supports dynamic ptys)
+if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_DEV_PTMX)
+else
+ AC_MSG_RESULT(no)
+fi
+
# Set up the CFLAGS for real compilation, so we can substitute it.
CFLAGS="$REAL_CFLAGS"