/usr/share/aclocal/gsl.m4 is in libgsl0-dev 1.16+dfsg-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 | # 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])
|