#include "confdefs.h"
[$1]
EOF
-if AC_TRY_EVAL(ac_link) && test -s conftest && (./conftest; exit) 2>&AC_FD_CC
+if AC_TRY_EVAL(ac_link) && test -s conftest && (./conftest; exit $?) 2>&AC_FD_CC
then
dnl Do not remove the temporary files here, so they can be examined.
ifelse([$2], , :, [$2])
else
+ conftest_rc="$?"
echo "configure: failed program was:" >&AC_FD_CC
cat conftest.$ac_ext >&AC_FD_CC
ifelse([$3], , , [ rm -fr conftest*
dnl Straightforward machine determination
case "$canonical" in
sparc-*-* ) machine=sparc ;;
- alpha-*-* ) machine=alpha ;;
+ alpha*-*-* ) machine=alpha ;;
vax-*-* ) machine=vax ;;
mips-dec-* ) machine=pmax ;;
mips-sgi-* ) machine=iris4d ;;
*-*-aix3.1* ) opsys=aix3-1 ;;
*-*-aix3.2.5 ) opsys=aix3-2-5 ;;
*-*-aix3* ) opsys=aix3-2 ;;
- *-*-aix4.2* ) opsys=aix4-2 ;;
+ *-*-aix4.0* ) opsys=aix4 ;;
*-*-aix4.1* ) opsys=aix4-1 ;;
- *-*-aix4* ) opsys=aix4 ;;
+ *-*-aix4* ) opsys=aix4-2 ;;
dnl Other generic OSes
*-gnu* ) opsys=gnu ;;
dnl Well. then why not fix fucking pop?
test "$have_glibc" = "yes" && AC_DEFINE(_GNU_SOURCE)
-AC_MSG_CHECKING(whether we are using SunPro C)
-AC_TRY_COMPILE([],[#ifndef __SUNPRO_C
-#error Not a SunPro compiler :-(
-******* ======= ******** &&&&&&&&
+
+dnl Identify compilers to enable compiler-specific hacks.
+dnl Add support for other compilers HERE!
+dnl GCC is already identified elsewhere.
+AC_TRY_RUN([int main () {
+#if defined __SUNPRO_C
+return 11;
+#elif defined __DECC
+return 12;
+#else
+return 0;
#endif
-], __sunpro_c=yes, __sunpro_c=no)
-AC_MSG_RESULT($__sunpro_c)
+}], [],
+[case "$conftest_rc" in
+ 11) echo "You appear to be using the SunPro C compiler."; __SUNPRO_C=yes ;;
+ 12) echo "You appear to be using the DEC C compiler." ; __DECC=yes ;;
+esac])
+
dnl case "$canonical" in
dnl *-sun-sunos* ) test "$CPP" = "acc -E" && CPP="acc -E -Xs" ;;
dnl Non-ordinary link usually requires -lc
test "$ordinary_link" = "no" -a -z "$libs_standard" && libs_standard="-lc"
+dnl Compiler-specific hacks
+dnl DEC C requires -std
+test "$__DECC" = "yes" && XE_APPEND(-std, c_switch_site)
+
dnl Calculalate value of CFLAGS:
dnl Use either command line flag, environment var, or autodetection
if test "$cflags_specified" = "no"; then
dnl cygwin can't cope with -O3
test "$opsys $machine" = "cygwin32 intel386" && \
CFLAGS="-g -O2 -Wall -Wno-switch"
- elif test "$__sunpro_c" = "yes"; then
+ elif test "$__SUNPRO_C" = "yes"; then
case "$opsys" in
sol2 ) CFLAGS="-v -xO4" ;;
sunos4* ) CFLAGS="-xO2";;
esac
+ elif test "$__DECC" = "yes"; then
+ CFLAGS="-O3"
elif test "$CC" = "xlc"; then
- CFLAGS="-O3 -qstrict -qnoansialias -qlibansi -qinfo -qro -qmaxmem=20000"
+ CFLAGS="-g -O3 -qstrict -qnoansialias -qlibansi -qinfo -qro -qmaxmem=20000"
+ dnl ### Add optimal CFLAGS support for other compilers HERE!
else
- dnl ### Add tests for other compilers here...
CFLAGS="-O" ;dnl The only POSIX-approved flag
fi
fi
if test "$dynamic" = "no"; then add_runtime_path=no
elif test -n "$LD_RUN_PATH"; then add_runtime_path=yes
else case "$opsys" in
- sol2 | irix* | *bsd* ) add_runtime_path=yes ;;
+ sol2 | irix* | *bsd* | decosf* ) add_runtime_path=yes ;;
* ) add_runtime_path=no ;;
esac
fi
dnl Try to autodetect runtime library flag (usually -R),
dnl and whether it works (or at least does no harm)
AC_MSG_CHECKING("for runtime libraries flag")
- dash_r=""
- for try_dash_r in "-R" "-R " "-rpath "; do
- xe_check_libs="${try_dash_r}/no/such/file-or-directory"
- XE_PROTECT_LINKER_FLAGS(xe_check_libs)
- AC_TRY_LINK(, , dash_r="$try_dash_r")
- xe_check_libs=""
- test -n "$dash_r" && break
- done
+ case "$opsys" in
+ sol2 ) dash_r = "-R" ;;
+ decosf* | linux* ) dash_r = "-rpath " ;;
+ *)
+ dash_r=""
+ for try_dash_r in "-R" "-R " "-rpath "; do
+ xe_check_libs="${try_dash_r}/no/such/file-or-directory"
+ XE_PROTECT_LINKER_FLAGS(xe_check_libs)
+ AC_TRY_LINK(, , dash_r="$try_dash_r")
+ xe_check_libs=""
+ test -n "$dash_r" && break
+ done ;;
+ esac
if test -n "$dash_r";
then AC_MSG_RESULT("\"${dash_r}\"")
else AC_MSG_RESULT(NONE)
dnl checks for header files
AC_CHECK_HEADERS(mach/mach.h sys/stropts.h sys/timeb.h sys/time.h unistd.h)
-AC_CHECK_HEADERS(utime.h locale.h libgen.h fcntl.h ulimit.h)
+AC_CHECK_HEADERS(utime.h locale.h libgen.h fcntl.h ulimit.h cygwin32/version.h)
AC_CHECK_HEADERS(linux/version.h kstat.h sys/pstat.h inttypes.h sys/un.h a.out.h)
AC_HEADER_SYS_WAIT
AC_HEADER_STDC
fi
done
+ dnl Avoid version mismatch for shared library libXm.so on osf4
+ if test "$GCC" = yes -a -d /usr/shlib; then XE_APPEND(-L/usr/shlib, X_LIBS); fi
+
ld_switch_x_site="$X_LIBS"
XE_COMPUTE_RUNPATH()
AC_CHECKING(for graphics libraries)
dnl Autodetect Xpm
+ xpm_problem=""
if test -z "$with_xpm"; then
AC_MSG_CHECKING(for Xpm - no older than 3.4f)
xe_check_libs=-lXpm
XpmIncludeVersion != XpmLibraryVersion() ? 1 :
XpmIncludeVersion < 30406 ? 2 : 0 ;}],
[./conftest dummy_arg; xpm_status=$?;
- if test "$?" = "0"; then
+ if test "$xpm_status" = "0"; then
with_xpm=yes;
else
with_xpm=no;
- if test "$?" = "1"; then
+ if test "$xpm_status" = "1"; then
xpm_problem="Xpm library version and header file version don't match!"
- elif test "$?" = "2"; then
+ elif test "$xpm_status" = "2"; then
xpm_problem="Xpm library version is too old!"
else
xpm_problem="Internal xpm detection logic error!"
fi
echo "
-*** WARNING *** $problem
+*** WARNING *** $xpm_problem
I'm not touching that with a 10-foot pole!
If you really want to use the installed version of Xpm, rerun
- configure --with-xpm=yes, but don't blame me if XEmacs crashes!"
+ configure and add '--with-xpm=yes', but don't blame me if XEmacs crashes!"
fi],
[with_xpm=no])
xe_check_libs=
fi
fi
+ dnl For a brief period we had the GIF code split out into a separate library,
+ dnl but patent problems, etc. sort of squashed that idea.
+ dnl We default to building with builtin GIF decoding
+ if test "$with_gif" != "no"; then
+ with_gif="yes"
+ AC_DEFINE(HAVE_GIF)
+ XE_ADD_OBJS(dgif_lib.o gif_io.o)
+ fi
+
dnl Too many stupid linkers can't detect cascaded lib dependencies until runtime
dnl So we always search for libz compression support.
if test "$with_png $with_tiff" != "no no"; then
AC_CHECK_LIB(gz, inflate, [XE_PREPEND(-lgz, libs_x)])])])
fi
- dnl Autodetect GIFlib
- AC_MSG_CHECKING(for gifreader)
- test -z "$with_gif" && { AC_CHECK_HEADER(gifrlib.h, ,with_gif=no) }
- test -z "$with_gif" && { AC_CHECK_LIB(gifreader, GetGifError,[:] ,with_gif=no) }
- test -z "$with_gif" && with_gif=yes
- if test "$with_gif" = "yes"; then
- AC_DEFINE(HAVE_GIF)
- XE_PREPEND(-lgifreader, libs_x)
- fi
-
dnl autodetect JPEG
test -z "$with_jpeg" && { AC_CHECK_HEADER(jpeglib.h, ,with_jpeg=no) }
test -z "$with_jpeg" && { AC_CHECK_LIB(jpeg, jpeg_destroy_decompress,[:],with_jpeg=no) }
fi
dnl autodetect PNG
- if test -z "$with_png"; then
- AC_MSG_CHECKING(for png.h - no older than 0.96)
- AC_EGREP_CPP(yes,
-[#include <png.h>
-#if PNG_LIBPNG_VER >= 96
-yes
-#endif
-], [AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no); with_png=no])
- fi
+ png_problem=""
test -z "$with_png" && { AC_CHECK_FUNC(pow, ,with_png=no) }
+ test -z "$with_png" && { AC_CHECK_HEADER(png.h, ,with_png=no) }
test -z "$with_png" && { AC_CHECK_LIB(png, png_read_image,[:],with_png=no) }
- test -z "$with_png" && with_png=yes
+ if test -z "$with_png"; then
+ AC_MSG_CHECKING(for workable png version information)
+ xe_check_libs="-lpng -lz"
+ AC_TRY_RUN([#include <png.h>
+ int main(int c, char **v) {
+ if (c == 1) return 0;
+ if (strcmp(png_libpng_ver, PNG_LIBPNG_VER_STRING) != 0) return 1;
+ return (PNG_LIBPNG_VER < 10002) ? 2 : 0 ;}],
+ [./conftest dummy_arg; png_status=$?;
+ if test "$png_status" = "0"; then
+ with_png=yes;
+ else
+ with_png=no;
+ if test "$png_status" = "1"; then
+ png_problem="PNG library version and header file don't match!"
+ elif test "$png_status" = "2"; then
+ png_problem="PNG library version too old (pre 1.0.2)!"
+ fi
+ echo "
+*** WARNING *** $png_problem
+ I'm not touching that with a 10-foot pole!
+ If you really want to use the installed version of libPNG, rerun
+ configure and add '--with-png=yes', but don't blame me if XEmacs crashes!"
+ fi],
+ [with_png=no])
+ xe_check_libs=
+ AC_MSG_RESULT($with_png)
+ fi
if test "$with_png" = "yes"; then
AC_DEFINE(HAVE_PNG)
XE_PREPEND(-lpng, libs_x)
fi
dnl ----------------------
-dnl Graphics libraries
+dnl X-Specific Graphics libraries
dnl ----------------------
if test "$with_x11" = "yes"; then
esac
AC_MSG_RESULT($have_mmap)
test "$have_mmap" = "yes" && AC_DEFINE(HAVE_MMAP)
+AC_FUNC_MMAP
dnl rel_alloc requires either GNU malloc or system malloc with mmap
dnl We only turn rel_alloc on by default if mmap is available.
#include <$path>
],[], db_h_path="$path"; break)
done
- if test -z "$db_h_path"
+ if test -z "$db_h_path"
then AC_MSG_RESULT(no); with_database_berkdb=no
else AC_MSG_RESULT($db_h_path)
fi
fi
dnl Create top level .sbinit for Sun compilers
-if test "$__sunpro_c" = "yes"; then
+if test "$__SUNPRO_C" = "yes"; then
echo "creating .sbinit"; echo ""
( echo "# For use with Sun WorkShop's Source browser."
echo "# See sbquery(1) and sbinit(4) for more information"
elif test "$with_x11" = yes; then
echo " --------------------------------------------------------------------"
echo " WARNING: Compiling without XPM support."
- echo " WARNING: You should strongly considering installing XPM."
+ if test "$xpm_problem" != ""; then
+ echo " Reason: $xpm_problem"
+ fi
+ echo " WARNING: You should strongly consider installing XPM."
echo " WARNING: Otherwise toolbars and other graphics will look suboptimal."
+ echo " WARNING: (a copy may be found in ftp://ftp.xemacs.org/pub/xemacs/aux)"
+ echo " --------------------------------------------------------------------"
+fi
+if test "$with_png" = yes; then
+ echo " Compiling in support for PNG image handling."
+elif test "$window_system" != "none"; then
+ echo " --------------------------------------------------------------------"
+ echo " WARNING: Compiling without PNG image support."
+ if test "$png_problem" != ""; then
+ echo " Reason: $png_problem"
+ fi
+ echo " WARNING: You should strongly consider installing the PNG libraries."
+ echo " WARNING: Otherwise certain images and glyphs may not display."
+ echo " WARNING: (a copy may be found in ftp://ftp.xemacs.org/pub/xemacs/aux)"
echo " --------------------------------------------------------------------"
fi
+test "$with_gif" = yes && echo " Compiling in support for (builtin) GIF image handling."
+test "$with_jpeg" = yes && echo " Compiling in support for JPEG image handling."
+test "$with_tiff" = yes && echo " Compiling in support for TIFF image handling."
test "$with_xface" = yes && echo " Compiling in support for X-Face message headers."
-test "$with_gif" = yes && echo " Compiling in support for GIF image conversion."
-test "$with_jpeg" = yes && echo " Compiling in support for JPEG image conversion."
-test "$with_png" = yes && echo " Compiling in support for PNG image conversion."
-test "$with_tiff" = yes && echo " Compiling in support for TIFF image conversion."
case "$with_sound" in
nas ) echo " Compiling in network sound (NAS) support." ;;
native ) echo " Compiling in native sound support." ;;
projects / chise / xemacs-chise.git.1 / blobdiff