163 lines
5.0 KiB
Plaintext
163 lines
5.0 KiB
Plaintext
# Configure path for the GNU Scientific Library
|
|
# Christopher R. Gabriel <cgabriel@linux.it>, April 2000
|
|
|
|
|
|
AC_DEFUN([AX_PATH_GSL],
|
|
[
|
|
AC_ARG_WITH(gsl-prefix,[ --with-gsl-prefix=PFX Prefix where GSL is installed (optional)],
|
|
gsl_prefix="$withval", gsl_prefix="")
|
|
AC_ARG_WITH(gsl-exec-prefix,[ --with-gsl-exec-prefix=PFX Exec prefix where GSL is installed (optional)],
|
|
gsl_exec_prefix="$withval", gsl_exec_prefix="")
|
|
AC_ARG_ENABLE(gsltest, [ --disable-gsltest Do not try to compile and run a test GSL program],
|
|
, enable_gsltest=yes)
|
|
|
|
if test "x${GSL_CONFIG+set}" != xset ; then
|
|
if test "x$gsl_prefix" != x ; then
|
|
GSL_CONFIG="$gsl_prefix/bin/gsl-config"
|
|
fi
|
|
if test "x$gsl_exec_prefix" != x ; then
|
|
GSL_CONFIG="$gsl_exec_prefix/bin/gsl-config"
|
|
fi
|
|
fi
|
|
|
|
AC_PATH_PROG(GSL_CONFIG, gsl-config, no)
|
|
min_gsl_version=ifelse([$1], ,0.2.5,$1)
|
|
AC_MSG_CHECKING(for GSL - version >= $min_gsl_version)
|
|
no_gsl=""
|
|
if test "$GSL_CONFIG" = "no" ; then
|
|
no_gsl=yes
|
|
else
|
|
GSL_CFLAGS=`$GSL_CONFIG --cflags`
|
|
GSL_LIBS=`$GSL_CONFIG --libs`
|
|
|
|
gsl_major_version=`$GSL_CONFIG --version | \
|
|
sed 's/^\([[0-9]]*\).*/\1/'`
|
|
if test "x${gsl_major_version}" = "x" ; then
|
|
gsl_major_version=0
|
|
fi
|
|
|
|
gsl_minor_version=`$GSL_CONFIG --version | \
|
|
sed 's/^\([[0-9]]*\)\.\{0,1\}\([[0-9]]*\).*/\2/'`
|
|
if test "x${gsl_minor_version}" = "x" ; then
|
|
gsl_minor_version=0
|
|
fi
|
|
|
|
gsl_micro_version=`$GSL_CONFIG --version | \
|
|
sed 's/^\([[0-9]]*\)\.\{0,1\}\([[0-9]]*\)\.\{0,1\}\([[0-9]]*\).*/\3/'`
|
|
if test "x${gsl_micro_version}" = "x" ; then
|
|
gsl_micro_version=0
|
|
fi
|
|
|
|
if test "x$enable_gsltest" = "xyes" ; then
|
|
ac_save_CFLAGS="$CFLAGS"
|
|
ac_save_LIBS="$LIBS"
|
|
CFLAGS="$CFLAGS $GSL_CFLAGS"
|
|
LIBS="$LIBS $GSL_LIBS"
|
|
|
|
rm -f conf.gsltest
|
|
AC_TRY_RUN([
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
char* my_strdup (const char *str);
|
|
|
|
char*
|
|
my_strdup (const char *str)
|
|
{
|
|
char *new_str;
|
|
|
|
if (str)
|
|
{
|
|
new_str = (char *)malloc ((strlen (str) + 1) * sizeof(char));
|
|
strcpy (new_str, str);
|
|
}
|
|
else
|
|
new_str = NULL;
|
|
|
|
return new_str;
|
|
}
|
|
|
|
int main (void)
|
|
{
|
|
int major = 0, minor = 0, micro = 0;
|
|
int n;
|
|
char *tmp_version;
|
|
|
|
system ("touch conf.gsltest");
|
|
|
|
/* HP/UX 9 (%@#!) writes to sscanf strings */
|
|
tmp_version = my_strdup("$min_gsl_version");
|
|
|
|
n = sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) ;
|
|
|
|
if (n != 2 && n != 3) {
|
|
printf("%s, bad version string\n", "$min_gsl_version");
|
|
exit(1);
|
|
}
|
|
|
|
if (($gsl_major_version > major) ||
|
|
(($gsl_major_version == major) && ($gsl_minor_version > minor)) ||
|
|
(($gsl_major_version == major) && ($gsl_minor_version == minor) && ($gsl_micro_version >= micro)))
|
|
{
|
|
exit(0);
|
|
}
|
|
else
|
|
{
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
],, no_gsl=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
|
|
CFLAGS="$ac_save_CFLAGS"
|
|
LIBS="$ac_save_LIBS"
|
|
fi
|
|
fi
|
|
if test "x$no_gsl" = x ; then
|
|
AC_MSG_RESULT(yes)
|
|
ifelse([$2], , :, [$2])
|
|
else
|
|
AC_MSG_RESULT(no)
|
|
if test "$GSL_CONFIG" = "no" ; then
|
|
echo "*** The gsl-config script installed by GSL could not be found"
|
|
echo "*** If GSL was installed in PREFIX, make sure PREFIX/bin is in"
|
|
echo "*** your path, or set the GSL_CONFIG environment variable to the"
|
|
echo "*** full path to gsl-config."
|
|
else
|
|
if test -f conf.gsltest ; then
|
|
:
|
|
else
|
|
echo "*** Could not run GSL test program, checking why..."
|
|
CFLAGS="$CFLAGS $GSL_CFLAGS"
|
|
LIBS="$LIBS $GSL_LIBS"
|
|
AC_TRY_LINK([
|
|
#include <stdio.h>
|
|
], [ return 0; ],
|
|
[ echo "*** The test program compiled, but did not run. This usually means"
|
|
echo "*** that the run-time linker is not finding GSL or finding the wrong"
|
|
echo "*** version of GSL. If it is not finding GSL, 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 GSL was incorrectly installed"
|
|
echo "*** or that you have moved GSL since it was installed. In the latter case, you"
|
|
echo "*** may want to edit the gsl-config script: $GSL_CONFIG" ])
|
|
CFLAGS="$ac_save_CFLAGS"
|
|
LIBS="$ac_save_LIBS"
|
|
fi
|
|
fi
|
|
# GSL_CFLAGS=""
|
|
# GSL_LIBS=""
|
|
ifelse([$3], , :, [$3])
|
|
fi
|
|
AC_SUBST(GSL_CFLAGS)
|
|
AC_SUBST(GSL_LIBS)
|
|
rm -f conf.gsltest
|
|
])
|
|
|
|
AU_ALIAS([AM_PATH_GSL], [AX_PATH_GSL])
|