dnl Some modifications by Richard Boulton <richard-alsa@tartarus.org>
dnl Christopher Lansdown <lansdoct@cs.alfred.edu>
dnl Jaroslav Kysela <perex@suse.cz>
-dnl Last modification: 07/01/2001
+dnl Last modification: alsa.m4,v 1.23 2004/01/16 18:14:22 tiwai Exp
dnl AM_PATH_ALSA([MINIMUM-VERSION [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
dnl Test for libasound, and define ALSA_CFLAGS and ALSA_LIBS as appropriate.
dnl enables arguments --with-alsa-prefix=
dnl --with-alsa-enc-prefix=
-dnl --disable-alsatest (this has no effect, as yet)
+dnl --disable-alsatest
dnl
dnl For backwards compatibility, if ACTION_IF_NOT_FOUND is not specified,
dnl and the alsa libraries are not found, a fatal AC_MSG_ERROR() will result.
dnl
-AC_DEFUN(AM_PATH_ALSA,
+AC_DEFUN([AM_PATH_ALSA],
[dnl Save the original CFLAGS, LDFLAGS, and LIBS
alsa_save_CFLAGS="$CFLAGS"
alsa_save_LDFLAGS="$LDFLAGS"
dnl Get the cflags and libraries for alsa
dnl
AC_ARG_WITH(alsa-prefix,
-[ --with-alsa-prefix=PFX Prefix where Alsa library is installed(optional)],
-[alsa_prefix="$withval"], [alsa_prefix=""])
+ AC_HELP_STRING([--with-alsa-prefix=PFX],
+ [prefix where Alsa library is installed(optional)]),
+ [alsa_prefix="$withval"], [alsa_prefix=""])
AC_ARG_WITH(alsa-inc-prefix,
-[ --with-alsa-inc-prefix=PFX Prefix where include libraries are (optional)],
-[alsa_inc_prefix="$withval"], [alsa_inc_prefix=""])
+ AC_HELP_STRING([--with-alsa-inc-prefix=PFX],
+ [prefix where include libraries are (optional)]),
+ [alsa_inc_prefix="$withval"], [alsa_inc_prefix=""])
dnl FIXME: this is not yet implemented
-AC_ARG_ENABLE(alsatest,
-[ --disable-alsatest Do not try to compile and run a test Alsa program],
-[enable_alsatest=no],
-[enable_alsatest=yes])
+dnl AC_ARG_ENABLE(alsatest,
+dnl AC_HELP_STRING([--disable-alsatest],
+dnl [do not try to compile and run a test Alsa program],
+dnl [enable_alsatest=no], [enable_alsatest=yes])
dnl Add any special include directories
AC_MSG_CHECKING(for ALSA CFLAGS)
fi
dnl add the alsa library
-ALSA_LIBS="$ALSA_LIBS -lasound -lm -ldl"
+ALSA_LIBS="$ALSA_LIBS -lasound -lm -ldl -lpthread"
LIBS=`echo $LIBS | sed 's/-lm//'`
LIBS=`echo $LIBS | sed 's/-ldl//'`
+LIBS=`echo $LIBS | sed 's/-lpthread//'`
LIBS=`echo $LIBS | sed 's/ //'`
LIBS="$ALSA_LIBS $LIBS"
AC_MSG_RESULT($ALSA_LIBS)
AC_LANG_SAVE
AC_LANG_C
AC_TRY_COMPILE([
-#include <sys/asoundlib.h>
+#include <alsa/asoundlib.h>
], [
void main(void)
{
AC_LANG_RESTORE
dnl Now that we know that we have the right version, let's see if we have the library and not just the headers.
-AC_CHECK_LIB([asound], [snd_seq_create_event],,
+if test "x$enable_alsatest" = "xyes"; then
+AC_CHECK_LIB([asound], [snd_ctl_open],,
[ifelse([$3], , [AC_MSG_ERROR(No linkable libasound was found.)])
alsa_found=no]
)
+fi
if test "x$alsa_found" = "xyes" ; then
ifelse([$2], , :, [$2])
AC_SUBST(ALSA_CFLAGS)
AC_SUBST(ALSA_LIBS)
])
+