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# Stolen whole-heartedly from Glib for use in Roy.
# Originally by: Owen Taylor 97-11-3
# Stolen by: Brian Bassett <bbassett@bbassett.net> 24 Jan 2002
# Fixed by Ian Main <ian4@stemwinder.org> 29 Jan 2002
# glibs error messages are broken.
dnl AM_PATH_ROY([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
dnl Test for Roy, and define ROY_CFLAGS and ROY_LIBS, and pass MODULES to
dnl roy-config.
dnl
AC_DEFUN([AM_PATH_ROY],
[dnl
dnl Get the cflags and libraries from the roy-config script
dnl
AC_ARG_WITH(roy-prefix,[ --with-roy-prefix=PFX Prefix where Roy is installed (optional)],
roy_config_prefix="$withval", roy_config_prefix="")
AC_ARG_WITH(roy-exec-prefix,[ --with-roy-exec-prefix=PFX Exec prefix where Roy is installed (optional)],
roy_config_exec_prefix="$withval", roy_config_exec_prefix="")
AC_ARG_ENABLE(roytest, [ --disable-roytest Do not try to compile and run a test Roy program],
, enable_roytest=yes)
if test x$roy_config_exec_prefix != x ; then
if test x${ROY_CONFIG+set} != xset ; then
ROY_CONFIG=$roy_config_exec_prefix/bin/roy-config
fi
fi
if test x$roy_config_prefix != x ; then
if test x${ROY_CONFIG+set} != xset ; then
ROY_CONFIG=$roy_config_prefix/bin/roy-config
fi
fi
AC_PATH_PROG(ROY_CONFIG, roy-config, no)
min_roy_version=ifelse([$1], ,1.0.0,$1)
AC_MSG_CHECKING(for Roy - version >= $min_roy_version)
no_roy=""
if test "$ROY_CONFIG" = "no" ; then
no_roy=yes
else
ROY_CFLAGS=`$ROY_CONFIG --cflags`
CMD="$ROY_CONFIG --libs "
CMD=$CMD$4
ROY_LIBS=`$CMD`
roy_major_version=`$ROY_CONFIG --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
roy_minor_version=`$ROY_CONFIG --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
roy_micro_version=`$ROY_CONFIG --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
if test "x$enable_roytest" = "xyes" ; then
ac_save_CFLAGS="$CFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $ROY_CFLAGS"
LIBS="$ROY_LIBS $LIBS"
dnl
dnl Now check if the installed Roy is sufficiently new. (Also sanity
dnl checks the results of roy-config to some extent
dnl
rm -f conf.roytest
AC_TRY_RUN([
#include <roy.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int
main ()
{
int major, minor, micro;
char *tmp_version;
system ("touch conf.roytest");
/* HP/UX 9 (%@#!) writes to sscanf strings */
tmp_version = strdup("$min_roy_version");
if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) {
printf("%s, bad version string\n", "$min_roy_version");
exit(1);
}
if ( ( (ROY_MAJOR_VERSION == major) && (ROY_MINOR_VERSION > minor) ) ||
( (ROY_MAJOR_VERSION == major) && (ROY_MINOR_VERSION == minor) ) &&
(ROY_MICRO_VERSION >= micro))
{
return 0;
}
else
{
printf ("\n*** The version of Roy found was %d.%d.%d, but the required\n",
ROY_MAJOR_VERSION, ROY_MINOR_VERSION, ROY_MICRO_VERSION);
printf ("*** minimum version requested is %d.%d.%d. Please attain\n",
major, minor, micro);
printf ("*** a newer version of Roy. It may also be possible that\n");
printf ("*** the wrong roy-config is being detected. This may\n");
printf ("*** be overridden by setting the ROY_CONFIG environment\n");
printf ("*** variable.\n");
}
return 1;
}
],, no_roy=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
fi
if test "x$no_roy" = x ; then
AC_MSG_RESULT(yes)
ifelse([$2], , :, [$2])
else
AC_MSG_RESULT(no)
if test "$ROY_CONFIG" = "no" ; then
echo "*** The roy-config script installed by Roy could not be found"
echo "*** If Roy was installed in PREFIX, make sure PREFIX/bin is in"
echo "*** your path, or set the ROY_CONFIG environment variable to the"
echo "*** full path to roy-config."
else
if test -f conf.roytest ; then
:
else
echo "*** Could not run Roy test program, checking why..."
CFLAGS="$CFLAGS $ROY_CFLAGS"
LIBS="$LIBS $ROY_LIBS"
AC_TRY_LINK([
#include <roy.h>
#include <stdio.h>
], [ return 0; ],
[ echo "*** The test program compiled, but did not run. This usually means"
echo "*** that the run-time linker is not finding Roy or finding the wrong"
echo "*** version of Roy. If it is not finding Roy, you'll need to set your"
echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
echo "*** to the installed location Also, make sure you have run ldconfig if that"
echo "*** is required on your system"
echo "***"
echo "*** If you have an old version installed, it is best to remove it, although"
echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"
echo "***" ],
[ echo "*** The test program failed to compile or link. See the file config.log for the"
echo "*** exact error that occured. This usually means Roy was incorrectly installed"
echo "*** or that you have moved Roy since it was installed." ])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
fi
ROY_CFLAGS=""
ROY_LIBS=""
ifelse([$3], , :, [$3])
fi
AC_SUBST(ROY_CFLAGS)
AC_SUBST(ROY_LIBS)
rm -f conf.roytest
])
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