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# Configure paths for AALIB
# touched up for clean output by Thomas Vander Stichele
# Jan Hubicka 4/22/2001
# stolen from Sam Lantinga 9/21/99
# stolen from Manish Singh
# stolen back from Frank Belew
# stolen from Manish Singh
# Shamelessly stolen from Owen Taylor
dnl AM_PATH_AALIB([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
dnl Test for AALIB, and define AALIB_CFLAGS and AALIB_LIBS
dnl
AC_DEFUN([AM_PATH_AALIB],
[dnl
dnl Get the cflags and libraries from the aalib-config script
dnl
AC_ARG_WITH(aalib-prefix,
AC_HELP_STRING([--with-aalib-prefix=PFX],
[prefix where AALIB is installed (optional)]),
aalib_prefix="$withval", aalib_prefix="")
AC_ARG_WITH(aalib-exec-prefix,
AC_HELP_STRING([--with-aalib-exec-prefix=PFX],
[exec prefix where AALIB is installed (optional)]),
aalib_exec_prefix="$withval", aalib_exec_prefix="")
AC_ARG_ENABLE(aalibtest,
AC_HELP_STRING([--disable-aalibtest],
[do not try to compile and run a test AALIB program]),
, enable_aalibtest=yes)
if test x$aalib_exec_prefix != x ; then
aalib_args="$aalib_args --exec-prefix=$aalib_exec_prefix"
if test x${AALIB_CONFIG+set} != xset ; then
AALIB_CONFIG=$aalib_exec_prefix/bin/aalib-config
fi
fi
if test x$aalib_prefix != x ; then
aalib_args="$aalib_args --prefix=$aalib_prefix"
if test x${AALIB_CONFIG+set} != xset ; then
AALIB_CONFIG=$aalib_prefix/bin/aalib-config
fi
fi
AC_PATH_PROG(AALIB_CONFIG, aalib-config, no)
min_aalib_version=ifelse([$1], ,0.11.0,$1)
AC_MSG_CHECKING(for AALIB - version >= $min_aalib_version)
no_aalib=""
if test "$AALIB_CONFIG" = "no" ; then
no_aalib=yes
else
AALIB_CFLAGS=`$AALIB_CONFIG $aalibconf_args --cflags`
AALIB_LIBS=`$AALIB_CONFIG $aalibconf_args --libs`
aalib_major_version=`$AALIB_CONFIG $aalib_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
aalib_minor_version=`$AALIB_CONFIG $aalib_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
aalib_micro_version=`$AALIB_CONFIG $aalib_config_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
if test "x$enable_aalibtest" = "xyes" ; then
ac_save_CFLAGS="$CFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $AALIB_CFLAGS"
LIBS="$LIBS $AALIB_LIBS"
dnl
dnl Now check if the installed AALIB is sufficiently new. (Also sanity
dnl checks the results of aalib-config to some extent
dnl
rm -f conf.aalibtest
AC_TRY_RUN([
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "aalib.h"
char*
my_strdup (char *str)
{
char *new_str;
if (str)
{
new_str = (char *)malloc ((strlen (str) + 1) * sizeof(char));
strcpy (new_str, str);
}
else
new_str = NULL;
return new_str;
}
int main (int argc, char *argv[])
{
int major, minor, micro;
char *tmp_version;
/* This hangs on some systems (?)
system ("touch conf.aalibtest");
*/
{ FILE *fp = fopen("conf.aalibtest", "a"); if ( fp ) fclose(fp); }
/* HP/UX 9 (%@#!) writes to sscanf strings */
tmp_version = my_strdup("$min_aalib_version");
if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) {
printf("%s, bad version string\n", "$min_aalib_version");
exit(1);
}
if (($aalib_major_version > major) ||
(($aalib_major_version == major) && ($aalib_minor_version > minor)) ||
(($aalib_major_version == major) && ($aalib_minor_version == minor) && ($aalib_micro_version >= micro)))
{
return 0;
}
else
{
printf("\n*** 'aalib-config --version' returned %d.%d.%d, but the minimum version\n", $aalib_major_version, $aalib_minor_version, $aalib_micro_version);
printf("*** of AALIB required is %d.%d.%d. If aalib-config is correct, then it is\n", major, minor, micro);
printf("*** best to upgrade to the required version.\n");
printf("*** If aalib-config was wrong, set the environment variable AALIB_CONFIG\n");
printf("*** to point to the correct copy of aalib-config, and remove the file\n");
printf("*** config.cache before re-running configure\n");
return 1;
}
}
],, no_aalib=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
fi
if test "x$no_aalib" = x ; then
AC_MSG_RESULT(yes)
ifelse([$2], , :, [$2])
else
AC_MSG_RESULT(no)
if test "$AALIB_CONFIG" = "no" ; then
echo "*** The aalib-config script installed by AALIB could not be found"
echo "*** If AALIB was installed in PREFIX, make sure PREFIX/bin is in"
echo "*** your path, or set the AALIB_CONFIG environment variable to the"
echo "*** full path to aalib-config."
else
if test -f conf.aalibtest ; then
:
else
echo "*** Could not run AALIB test program, checking why..."
CFLAGS="$CFLAGS $AALIB_CFLAGS"
LIBS="$LIBS $AALIB_LIBS"
AC_TRY_LINK([
#include <stdio.h>
#include "AALIB.h"
], [ return 0; ],
[ echo "*** The test program compiled, but did not run. This usually means"
echo "*** that the run-time linker is not finding AALIB or finding the wrong"
echo "*** version of AALIB. If it is not finding AALIB, 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 AALIB was incorrectly installed"
echo "*** or that you have moved AALIB since it was installed. In the latter case, you"
echo "*** may want to edit the aalib-config script: $AALIB_CONFIG" ])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
fi
AALIB_CFLAGS=""
AALIB_LIBS=""
ifelse([$3], , :, [$3])
fi
AC_SUBST(AALIB_CFLAGS)
AC_SUBST(AALIB_LIBS)
rm -f conf.aalibtest
])
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