* configure.in: Add check for ALSA.

1 files changed, 74 insertions, 56 deletions

diff --git a/configure.in b/configure.in
index 31aebae1a1b..e47e6ec94c7 100644
--- a/configure.in
+++ b/configure.in
@@ -1480,12 +1480,83 @@ AC_CONFIG_LIBOBJ_DIR(src)
 dnl Do this early because it can frob feature test macros for Unix-98 &c.
 AC_SYS_LARGEFILE
 
+
+dnl This function defintion taken from Gnome 2.0
+dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
+dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
+dnl also defines GSTUFF_PKG_ERRORS on error
+AC_DEFUN([PKG_CHECK_MODULES], [
+  succeeded=no
+
+  if test -z "$PKG_CONFIG"; then
+    AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
+  fi
+
+  if test "$PKG_CONFIG" = "no" ; then
+     ifelse([$4], , [AC_MSG_ERROR([
+      *** The pkg-config script could not be found. Make sure it is in your path, or give the full path to pkg-config with the PKG_CONFIG environment variable or --with-pkg-config-prog.  Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config.])], [$4])
+  else
+     PKG_CONFIG_MIN_VERSION=0.9.0
+     if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
+        AC_MSG_CHECKING(for $2)
+
+        if $PKG_CONFIG --exists "$2" ; then
+            AC_MSG_RESULT(yes)
+            succeeded=yes
+
+            AC_MSG_CHECKING($1_CFLAGS)
+            $1_CFLAGS=`$PKG_CONFIG --cflags "$2"`
+            AC_MSG_RESULT($$1_CFLAGS)
+
+            AC_MSG_CHECKING($1_LIBS)
+            $1_LIBS=`$PKG_CONFIG --libs "$2"`
+            AC_MSG_RESULT($$1_LIBS)
+        else
+            AC_MSG_RESULT(no)
+            $1_CFLAGS=""
+            $1_LIBS=""
+            ## If we have a custom action on failure, don't print errors, but
+            ## do set a variable so people can do so.
+            $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
+            ifelse([$4], ,echo $$1_PKG_ERRORS,)
+        fi
+
+        AC_SUBST($1_CFLAGS)
+        AC_SUBST($1_LIBS)
+     else
+        echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
+        echo "*** See http://www.freedesktop.org/software/pkgconfig"
+     fi
+  fi
+
+  if test $succeeded = yes; then
+     ifelse([$3], , :, [$3])
+  else
+     ifelse([$4], , [AC_MSG_ERROR([Library requirements ($2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.])], [$4])
+  fi
+])
+
+
 if test "${with_sound}" != "no"; then
   # Sound support for GNU/Linux and the free BSDs.
   AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h)
   # Emulation library used on NetBSD.
   AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
   AC_SUBST(LIBSOUND)
+
+  ALSA_REQUIRED=1.0.0
+  ALSA_MODULES="alsa >= $ALSA_REQUIRED"
+  dnl Check if --with-pkg-config-prog has been given.
+  if test "X${with_pkg_config_prog}" != X; then
+    PKG_CONFIG="${with_pkg_config_prog}"
+  fi
+  PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
+  if test $HAVE_ALSA = yes; then
+    LIBSOUND="$LIBSOUND $ALSA_LIBS"
+    CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
+    AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
+  fi
+  AC_SUBST(CFLAGS_SOUND)
 fi
 
 dnl checks for header files
@@ -1943,62 +2014,6 @@ fail;
   fi
 fi
 
-dnl This function defintion taken from Gnome 2.0
-dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
-dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
-dnl also defines GSTUFF_PKG_ERRORS on error
-AC_DEFUN([PKG_CHECK_MODULES], [
-  succeeded=no
-
-  if test -z "$PKG_CONFIG"; then
-    AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
-  fi
-
-  if test "$PKG_CONFIG" = "no" ; then
-     echo "*** The pkg-config script could not be found. Make sure it is"
-     echo "*** in your path, or give the full path to pkg-config with"
-     echo "*** the PKG_CONFIG environment variable or --with-pkg-config-prog."
-     echo "*** Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config."
-  else
-     PKG_CONFIG_MIN_VERSION=0.9.0
-     if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
-        AC_MSG_CHECKING(for $2)
-
-        if $PKG_CONFIG --exists "$2" ; then
-            AC_MSG_RESULT(yes)
-            succeeded=yes
-
-            AC_MSG_CHECKING($1_CFLAGS)
-            $1_CFLAGS=`$PKG_CONFIG --cflags "$2"`
-            AC_MSG_RESULT($$1_CFLAGS)
-
-            AC_MSG_CHECKING($1_LIBS)
-            $1_LIBS=`$PKG_CONFIG --libs "$2"`
-            AC_MSG_RESULT($$1_LIBS)
-        else
-            $1_CFLAGS=""
-            $1_LIBS=""
-            ## If we have a custom action on failure, don't print errors, but
-            ## do set a variable so people can do so.
-            $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
-            ifelse([$4], ,echo $$1_PKG_ERRORS,)
-        fi
-
-        AC_SUBST($1_CFLAGS)
-        AC_SUBST($1_LIBS)
-     else
-        echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
-        echo "*** See http://www.freedesktop.org/software/pkgconfig"
-     fi
-  fi
-
-  if test $succeeded = yes; then
-     ifelse([$3], , :, [$3])
-  else
-     ifelse([$4], , [AC_MSG_ERROR([Library requirements ($2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.])], [$4])
-  fi
-])
-
 HAVE_GTK=no
 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "gtk"; then
   if test "$USE_X_TOOLKIT" != "none" && test "$USE_X_TOOLKIT" != "maybe"; then
@@ -2917,6 +2932,9 @@ AH_BOTTOM([
 #ifdef HAVE_SOUNDCARD_H
 #define HAVE_SOUND 1
 #endif
+#ifdef HAVE_ALSA
+#define HAVE_SOUND 1
+#endif
 #endif /* __FreeBSD__ || __NetBSD__ || __linux__  */
 
 /* If using GNU, then support inline function declarations. */