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# Configure paths for SC
# Michael Banck 12/26/01
# Adapted from the GTK+ work done by Owen Taylor
######################################################################
dnl AM_PATH_SC([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
dnl Test for SC, and define SC_CPPFLAGS and SC_LIBS
dnl
AC_DEFUN([AM_PATH_SC],
[dnl
dnl Get the cflags and libraries from the sc-config script
dnl
AC_ARG_WITH(sc-prefix,[ --with-sc-prefix=PFX Prefix where SC is installed (optional)],
sc_config_prefix="$withval", sc_config_prefix="")
AC_ARG_WITH(sc-exec-prefix,[ --with-sc-exec-prefix=PFX Exec prefix where SC is installed (optional)],
sc_config_exec_prefix="$withval", sc_config_exec_prefix="")
AC_ARG_ENABLE(sctest, [ --disable-sctest Do not try to compile and run a test SC program],
, enable_sctest=yes)
for module in . $4
do
case "$module" in
gthread)
sc_config_args="$sc_config_args gthread"
;;
esac
done
if test x$sc_config_exec_prefix != x ; then
sc_config_args="$sc_config_args --exec-prefix=$sc_config_exec_prefix"
if test x${SC_CONFIG+set} != xset ; then
SC_CONFIG=$sc_config_exec_prefix/bin/sc-config
fi
fi
if test x$sc_config_prefix != x ; then
sc_config_args="$sc_config_args --prefix=$sc_config_prefix"
if test x${SC_CONFIG+set} != xset ; then
SC_CONFIG=$sc_config_prefix/bin/sc-config
fi
fi
AC_PATH_PROG([SC_CONFIG], sc-config, no)
min_sc_version=ifelse([$1], ,1.2.5,$1)
AC_MSG_CHECKING([SC - version])
no_sc=""
if test "$SC_CONFIG" = "no" ; then
no_sc=yes
else
SC_CPPFLAGS=`$SC_CONFIG $sc_config_args --cppflags`
SC_LIBS=`$SC_CONFIG $sc_config_args --libs`
sc_major_version=`$SC_CONFIG $sc_config_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
sc_minor_version=`$SC_CONFIG $sc_config_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
sc_micro_version=`$SC_CONFIG $sc_config_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
if test "x$enable_sctest" = "xyes" ; then
ac_save_CPPFLAGS="$CPPFLAGS"
ac_save_LIBS="$LIBS"
CPPFLAGS="$CPPFLAGS $SC_CPPFLAGS"
LIBS="$SC_LIBS $LIBS"
dnl
dnl Now check if the installed SC is sufficiently new. (Also sanity
dnl checks the results of sc-config to some extent
dnl
rm -f conf.sctest
AC_TRY_RUN([
#include <scconfig.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
char*
my_strdup (char *str)
{
char *new_str;
if (str)
{
new_str = (char *)malloc ((strlen (str) + 1) * sizeof(char));
strcpy (new_str, str);
}
else
new_str = NULL;
return new_str;
}
int main (int argc, char *argv[])
{
int major, minor, micro;
char *tmp_version;
/* This hangs on some systems (?)
system ("touch conf.sctest");
*/
{ FILE *fp = fopen("conf.sctest", "a"); if ( fp ) fclose(fp); }
/* HP/UX 9 (%@#!) writes to sscanf strings */
tmp_version = my_strdup("$min_sc_version");
if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) {
printf("%s, bad version string\n", "$min_sc_version");
exit(1);
}
if (($sc_major_version > major) ||
(($sc_major_version == major) && ($sc_minor_version > minor)) ||
(($sc_major_version == major) && ($sc_minor_version == minor) && ($sc_micro_version >= micro)))
{
return 0;
}
else
{
if ($sc_major_version > major) {
printf("\n*** 'sc-config --version' returned %d.%d.%d, but the version\n", $sc_major_version, $sc_minor_version, $sc_micro_version);
printf("*** of SC required is %d.x.x. If sc-config is correct, then it is\n", major, minor,
micro);
printf("*** best to downgrade to the required version.\n");
printf("*** If sc-config was wrong, set the environment variable SC_CONFIG\n");
printf("*** to point to the correct copy of sc-config, and remove the file\n");
printf("*** config.cache before re-running configure\n");
return 1;
}
printf("\n*** 'sc-config --version' returned %d.%d.%d, but the minimum version\n", $sc_major_version, $sc_minor_version, $sc_micro_version);
printf("*** of SC required is %d.%d.%d. If sc-config is correct, then it is\n", major, minor, micro);
printf("*** best to upgrade to the required version.\n");
printf("*** If sc-config was wrong, set the environment variable SC_CONFIG\n");
printf("*** to point to the correct copy of sc-config, and remove the file\n");
printf("*** config.cache before re-running configure\n");
return 1;
}
}
],, no_sc=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
CPPFLAGS="$ac_save_CPPFLAGS"
LIBS="$ac_save_LIBS"
fi
fi
if test "x$no_sc" = x ; then
AC_MSG_RESULT(yes)
ifelse([$2], , :, [$2])
else
AC_MSG_RESULT(no)
if test "$SC_CONFIG" = "no" ; then
echo "*** The sc-config script installed by SC could not be found"
echo "*** If SC was installed in PREFIX, make sure PREFIX/bin is in"
echo "*** your path, or set the SC_CONFIG environment variable to the"
echo "*** full path to sc-config."
else
if test -f conf.sctest ; then
:
else
echo "*** Could not run SC test program, checking why..."
CPPFLAGS="$CPPFLAGS $SC_CPPFLAGS"
LIBS="$LIBS $SC_LIBS"
AC_TRY_LINK([
#include <scconfig.h>
#include <stdio.h>
], [ return (SC_VERSION); ],
[ echo "*** The test program compiled, but did not run. This usually means"
echo "*** that the run-time linker is not finding SC or finding the wrong"
echo "*** version of SC. If it is not finding SC, 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 "***"
echo "*** If you have a RedHat 5.0 system, you should remove the SC package that"
echo "*** came with the system with the command"
echo "***"
echo "*** rpm --erase --nodeps sc sc-devel" ],
[ echo "*** The test program failed to compile or link. See the file config.log for the"
echo "*** exact error that occured. This usually means SC was incorrectly installed"
echo "*** or that you have moved SC since it was installed. In the latter case, you"
echo "*** may want to edit the sc-config script: $SC_CONFIG" ])
CPPFLAGS="$ac_save_CPPFLAGS"
LIBS="$ac_save_LIBS"
fi
fi
SC_CPPFLAGS=""
SC_LIBS=""
ifelse([$3], , :, [$3])
fi
SC_MAJOR_VERSION="$sc_major_version"
SC_MINOR_VERSION="$sc_minor_version"
SC_MICRO_VERSION="$sc_micro_version"
AC_SUBST(SC_MAJOR_VERSION)
AC_SUBST(SC_MINOR_VERSION)
AC_SUBST(SC_MICRO_VERSION)
AC_SUBST(SC_CPPFLAGS)
AC_SUBST(SC_LIBS)
rm -f conf.sctest
])
######################################################################
dnl @synopsis AC_DEFINE_DIR(VARNAME, DIR [, DESCRIPTION])
dnl
dnl This macro _AC_DEFINEs VARNAME to the expansion of the DIR
dnl variable, taking care of fixing up ${prefix} and such.
dnl
dnl Note that the 3 argument form is only supported with autoconf 2.13 and
dnl later (i.e. only where _AC_DEFINE supports 3 arguments).
dnl
dnl Examples:
dnl
dnl AC_DEFINE_DIR(DATADIR, datadir)
dnl AC_DEFINE_DIR(PROG_PATH, bindir, [Location of installed binaries])
dnl
dnl @version $Id: acinclude.m4 149 2006-02-17 16:18:52Z hutchisn $
dnl @author Guido Draheim <guidod@gmx.de>, original by Alexandre Oliva
AC_DEFUN([AC_DEFINE_DIR], [
test "x$prefix" = xNONE && prefix="$ac_default_prefix"
test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
ac_define_dir=`eval echo [$]$2`
ac_define_dir=`eval echo [$]ac_define_dir`
ifelse($3, ,
AC_DEFINE_UNQUOTED($1, "$ac_define_dir"),
AC_DEFINE_UNQUOTED($1, "$ac_define_dir", $3))
])
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