pjs/build/autoconf/libIDL-2.m4

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# Configure paths for LIBIDL
dnl AM_PATH_LIBIDL([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
dnl Test for LIBIDL, and define LIBIDL_CFLAGS and LIBIDL_LIBS
dnl
AC_DEFUN(AM_PATH_LIBIDL_2,
[dnl
dnl Get the cflags and libraries from the libIDL-config-2 script
dnl
AC_ARG_WITH(libIDL-prefix,[ --with-libIDL-prefix=PFX
Prefix where libIDL is installed (optional)],
libIDL_config_prefix="$withval", libIDL_config_prefix="")
AC_ARG_WITH(libIDL-exec-prefix,[ --with-libIDL-exec-prefix=PFX
Exec prefix where libIDL is installed (optional)],
libIDL_config_exec_prefix="$withval", libIDL_config_exec_prefix="")
AC_ARG_ENABLE(libIDLtest, [ --disable-libIDLtest Do not try to compile and run a test libIDL program],
, enable_libIDLtest=yes)
if test x$libIDL_config_exec_prefix != x ; then
libIDL_config_args="$libIDL_config_args --exec-prefix=$libIDL_config_exec_prefix"
if test x${LIBIDL_CONFIG+set} != xset ; then
LIBIDL_CONFIG=$libIDL_config_exec_prefix/bin/libIDL-config-2
fi
fi
if test x$libIDL_config_prefix != x ; then
libIDL_config_args="$libIDL_config_args --prefix=$libIDL_config_prefix"
if test x${LIBIDL_CONFIG+set} != xset ; then
LIBIDL_CONFIG=$libIDL_config_prefix/bin/libIDL-config-2
fi
fi
dnl Force a version check to keep upgraded versions from being overridden by the cached value.
unset ac_cv_path_LIBIDL_CONFIG
AC_PATH_PROG(LIBIDL_CONFIG, libIDL-config-2, no)
min_libIDL_version=ifelse([$1], ,0.6.0,$1)
AC_MSG_CHECKING(for libIDL - version >= $min_libIDL_version)
no_libIDL=""
if test "$LIBIDL_CONFIG" = "no" ; then
no_libIDL=yes
else
LIBIDL_CFLAGS=`$LIBIDL_CONFIG $libIDL_config_args --cflags`
LIBIDL_LIBS=`$LIBIDL_CONFIG $libIDL_config_args --libs`
# hack to allow us to keep using libIDL 0.6.3-0.6.7. Anyone may remove
# this after we start requiring libIDL 0.6.8 or anything higher
LIBIDL_CFLAGS="$GLIB_CFLAGS $LIBIDL_CFLAGS"
LIBIDL_LIBS="$GLIB_LIBS $LIBIDL_LIBS"
libIDL_config_major_version=`$LIBIDL_CONFIG $libIDL_config_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
libIDL_config_minor_version=`$LIBIDL_CONFIG $libIDL_config_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
libIDL_config_micro_version=`$LIBIDL_CONFIG $libIDL_config_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
if test "x$enable_libIDLtest" = "xyes" ; then
ac_save_CFLAGS="$CFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $LIBIDL_CFLAGS"
LIBS="$LIBIDL_LIBS $LIBS"
dnl
dnl Now check if the installed LIBIDL is sufficiently new.
dnl
rm -f conf.libIDLtest
AC_TRY_RUN([
#include <stdio.h>
#include <stdlib.h>
#include <libIDL/IDL.h>
int
main ()
{
int major, minor, micro;
int libIDL_major_version;
int libIDL_minor_version;
int libIDL_micro_version;
char *tmp_version;
system ("touch conf.libIDLtest");
/* HP/UX 9 (%@#!) writes to sscanf strings */
tmp_version = g_strdup ("$min_libIDL_version");
if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
printf("%s, bad version string\n", "$min_libIDL_version");
exit(1);
}
tmp_version = g_strdup (IDL_get_libver_string ());
if (sscanf(tmp_version, "%d.%d.%d",
&libIDL_major_version,
&libIDL_minor_version,
&libIDL_micro_version) != 3) {
printf("%s, bad version string\n", tmp_version);
exit(1);
}
if ((libIDL_major_version != $libIDL_config_major_version) ||
(libIDL_minor_version != $libIDL_config_minor_version) ||
(libIDL_micro_version != $libIDL_config_micro_version))
{
printf("\n*** 'libIDL-config-2 --version' returned %d.%d.%d, but libIDL (%d.%d.%d)\n",
$libIDL_config_major_version, $libIDL_config_minor_version, $libIDL_config_micro_version,
libIDL_major_version, libIDL_minor_version, libIDL_micro_version);
printf ("*** was found! If libIDL-config-2 was correct, then it is best\n");
printf ("*** to remove the old version of LIBIDL. You may also be able to fix the error\n");
printf("*** by modifying your LD_LIBRARY_PATH environment variable, or by editing\n");
printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
printf("*** required on your system.\n");
printf("*** If libIDL-config-2 was wrong, set the environment variable LIBIDL_CONFIG\n");
printf("*** to point to the correct copy of libIDL-config-2, and remove the file config.cache\n");
printf("*** before re-running configure\n");
}
else if ((libIDL_major_version != LIBIDL_MAJOR_VERSION) ||
(libIDL_minor_version != LIBIDL_MINOR_VERSION) ||
(libIDL_micro_version != LIBIDL_MICRO_VERSION))
{
printf("\n*** libIDL header files (version %d.%d.%d) do not match\n",
LIBIDL_MAJOR_VERSION, LIBIDL_MINOR_VERSION, LIBIDL_MICRO_VERSION);
printf("*** library (version %d.%d.%d)\n",
libIDL_major_version, libIDL_minor_version, libIDL_micro_version);
}
else
{
if ((libIDL_major_version > major) ||
((libIDL_major_version == major) && (libIDL_minor_version > minor)) ||
((libIDL_major_version == major) && (libIDL_minor_version == minor) && (libIDL_micro_version >= micro)))
{
return 0;
}
else
{
printf("\n*** An old version of libIDL (%d.%d.%d) was found.\n",
libIDL_major_version, libIDL_minor_version, libIDL_micro_version);
printf("*** You need at least libIDL version %d.%d.%d.\n",
major, minor, micro);
printf("***\n");
printf("*** If you have already installed a sufficiently new version, this error\n");
printf("*** probably means that the wrong copy of the libIDL-config-2 shell script is\n");
printf("*** being found. The easiest way to fix this is to remove the old version\n");
printf("*** of libIDL, but you can also set the LIBIDL_CONFIG environment to point to the\n");
printf("*** correct copy of libIDL-config-2. (In this case, you will have to\n");
printf("*** modify your LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf\n");
printf("*** so that the correct libraries are found at run-time))\n");
}
}
return 1;
}
],, no_libIDL=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
fi
if test "x$no_libIDL" = x ; then
AC_MSG_RESULT(yes)
ifelse([$2], , :, [$2])
else
AC_MSG_RESULT(no)
if test "$LIBIDL_CONFIG" = "no" ; then
echo "*** The libIDL-config-2 script installed by libIDL could not be found"
echo "*** If libIDL was installed in PREFIX, make sure PREFIX/bin is in"
echo "*** your path, or set the LIBIDL_CONFIG environment variable to the"
echo "*** full path to libIDL-config-2."
else
if test -f conf.libIDLtest ; then
:
else
echo "*** Could not run libIDL test program, checking why..."
CFLAGS="$CFLAGS $LIBIDL_CFLAGS"
LIBS="$LIBS $LIBIDL_LIBS"
AC_TRY_LINK([
#include <stdio.h>
#include <stdlib.h>
#include <libIDL/IDL.h>
], [ return IDL_get_libver_string ? 1 : 0; ],
[ echo "*** The test program compiled, but did not run. This usually means"
echo "*** that the run-time linker is not finding libIDL or finding the wrong"
echo "*** version of LIBIDL. If it is not finding libIDL, you'll need to set your"
echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
echo "*** to the installed location Also, make sure you have run ldconfig if that"
echo "*** is required on your system"
echo "***"
echo "*** If you have an old version installed, it is best to remove it, although"
echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" ],
[ echo "*** The test program failed to compile or link. See the file config.log for the"
echo "*** exact error that occured. This usually means libIDL was incorrectly installed"
echo "*** or that you have moved libIDL since it was installed. In the latter case, you"
echo "*** may want to edit the libIDL-config-2 script: $LIBIDL_CONFIG" ])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
fi
LIBIDL_CFLAGS=""
LIBIDL_LIBS=""
ifelse([$3], , :, [$3])
fi
AC_SUBST(LIBIDL_CFLAGS)
AC_SUBST(LIBIDL_LIBS)
rm -f conf.libIDLtest
])