SDL/acinclude/esd.m4

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# Configure paths for ESD
# Manish Singh 98-9-30
# stolen back from Frank Belew
# stolen from Manish Singh
# Shamelessly stolen from Owen Taylor
dnl AM_PATH_ESD([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
dnl Test for ESD, and define ESD_CFLAGS and ESD_LIBS
dnl
AC_DEFUN([AM_PATH_ESD],
[dnl
dnl Get the cflags and libraries from the esd-config script
dnl
AC_ARG_WITH(esd-prefix,[ --with-esd-prefix=PFX Prefix where ESD is installed (optional)],
esd_prefix="$withval", esd_prefix="")
AC_ARG_WITH(esd-exec-prefix,[ --with-esd-exec-prefix=PFX Exec prefix where ESD is installed (optional)],
esd_exec_prefix="$withval", esd_exec_prefix="")
AC_ARG_ENABLE(esdtest, [ --disable-esdtest Do not try to compile and run a test ESD program],
, enable_esdtest=yes)
if test x$esd_exec_prefix != x ; then
esd_args="$esd_args --exec-prefix=$esd_exec_prefix"
if test x${ESD_CONFIG+set} != xset ; then
ESD_CONFIG=$esd_exec_prefix/bin/esd-config
fi
fi
if test x$esd_prefix != x ; then
esd_args="$esd_args --prefix=$esd_prefix"
if test x${ESD_CONFIG+set} != xset ; then
ESD_CONFIG=$esd_prefix/bin/esd-config
fi
fi
AC_PATH_PROG(ESD_CONFIG, esd-config, no)
min_esd_version=ifelse([$1], ,0.2.7,$1)
AC_MSG_CHECKING(for ESD - version >= $min_esd_version)
no_esd=""
if test "$ESD_CONFIG" = "no" ; then
no_esd=yes
else
ESD_CFLAGS=`$ESD_CONFIG $esdconf_args --cflags`
ESD_LIBS=`$ESD_CONFIG $esdconf_args --libs`
esd_major_version=`$ESD_CONFIG $esd_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
esd_minor_version=`$ESD_CONFIG $esd_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
esd_micro_version=`$ESD_CONFIG $esd_config_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
if test "x$enable_esdtest" = "xyes" ; then
AC_LANG_PUSH([C])
ac_save_CFLAGS="$CFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $ESD_CFLAGS"
LIBS="$LIBS $ESD_LIBS"
dnl
dnl Now check if the installed ESD is sufficiently new. (Also sanity
dnl checks the results of esd-config to some extent
dnl
rm -f conf.esdtest
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdio.h>
#include <stdlib.h>
#include <esd.h>
int main (void)
{
int major, minor, micro;
FILE *fp = fopen("conf.esdtest", "w");
if (fp) fclose(fp);
if (sscanf("$min_esd_version", "%d.%d.%d", &major, &minor, &micro) != 3) {
printf("%s, bad version string\n", "$min_esd_version");
exit(1);
}
if (($esd_major_version > major) ||
(($esd_major_version == major) && ($esd_minor_version > minor)) ||
(($esd_major_version == major) && ($esd_minor_version == minor) && ($esd_micro_version >= micro)))
{
return 0;
}
else
{
printf("\n*** 'esd-config --version' returned %d.%d.%d, but the minimum version\n", $esd_major_version, $esd_minor_version, $esd_micro_version);
printf("*** of ESD required is %d.%d.%d. If esd-config is correct, then it is\n", major, minor, micro);
printf("*** best to upgrade to the required version.\n");
printf("*** If esd-config was wrong, set the environment variable ESD_CONFIG\n");
printf("*** to point to the correct copy of esd-config, and remove the file\n");
printf("*** config.cache before re-running configure\n");
return 1;
}
}
]])], [], [no_esd=yes], [echo $ac_n "cross compiling; assumed OK... $ac_c"])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
AC_LANG_POP([C])
fi
fi
if test "x$no_esd" = x ; then
AC_MSG_RESULT(yes)
ifelse([$2], , :, [$2])
else
AC_MSG_RESULT(no)
if test "$ESD_CONFIG" = "no" ; then
dnl echo "*** The esd-config script installed by ESD could not be found"
dnl echo "*** If ESD was installed in PREFIX, make sure PREFIX/bin is in"
dnl echo "*** your path, or set the ESD_CONFIG environment variable to the"
dnl echo "*** full path to esd-config."
:
else
if test -f conf.esdtest ; then
:
else
echo "*** Could not run ESD test program, checking why..."
CFLAGS="$CFLAGS $ESD_CFLAGS"
LIBS="$LIBS $ESD_LIBS"
AC_LANG_PUSH([C])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <stdio.h>
#include <esd.h>
]], [[ return 0; ]])],
[ echo "*** The test program compiled, but did not run. This usually means"
echo "*** that the run-time linker is not finding ESD or finding the wrong"
echo "*** version of ESD. If it is not finding ESD, 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 ESD was incorrectly installed"
echo "*** or that you have moved ESD since it was installed. In the latter case, you"
echo "*** may want to edit the esd-config script: $ESD_CONFIG" ])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
AC_LANG_POP([C])
fi
fi
ESD_CFLAGS=""
ESD_LIBS=""
ifelse([$3], , :, [$3])
fi
AC_SUBST(ESD_CFLAGS)
AC_SUBST(ESD_LIBS)
rm -f conf.esdtest
])
dnl AM_ESD_SUPPORTS_MULTIPLE_RECORD([ACTION-IF-SUPPORTS [, ACTION-IF-NOT-SUPPORTS]])
dnl Test, whether esd supports multiple recording clients (version >=0.2.21)
dnl
AC_DEFUN([AM_ESD_SUPPORTS_MULTIPLE_RECORD],
[dnl
AC_MSG_NOTICE([whether installed esd version supports multiple recording clients])
ac_save_ESD_CFLAGS="$ESD_CFLAGS"
ac_save_ESD_LIBS="$ESD_LIBS"
AM_PATH_ESD(0.2.21,
ifelse([$1], , [
AM_CONDITIONAL(ESD_SUPPORTS_MULTIPLE_RECORD, true)
AC_DEFINE(ESD_SUPPORTS_MULTIPLE_RECORD, 1,
[Define if you have esound with support of multiple recording clients.])],
[$1]),
ifelse([$2], , [AM_CONDITIONAL(ESD_SUPPORTS_MULTIPLE_RECORD, false)], [$2])
if test "x$ac_save_ESD_CFLAGS" != x ; then
ESD_CFLAGS="$ac_save_ESD_CFLAGS"
fi
if test "x$ac_save_ESD_LIBS" != x ; then
ESD_LIBS="$ac_save_ESD_LIBS"
fi
)
])