add non-standard m4's to mpd svn repository

git-svn-id: https://svn.musicpd.org/mpd/trunk@2655 09075e82-0dd4-0310-85a5-a0d7c8717e4f

1 files changed, 79 insertions, 0 deletions

diff --git a/m4/shout.m4 b/m4/shout.m4
new file mode 100644
index 000000000..9fad512e6
--- /dev/null
+++ b/m4/shout.m4
@@ -0,0 +1,79 @@
+dnl XIPH_PATH_SHOUT
+dnl Jack Moffitt <jack@icecast.org> 08-06-2001
+dnl Rewritten for libshout 2
+dnl Brendan Cully <brendan@xiph.org> 20030612
+dnl 
+dnl $Id: shout.m4 7180 2004-07-20 02:50:54Z brendan $
+
+# XIPH_PATH_SHOUT([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
+# Test for libshout, and define SHOUT_CPPFLAGS SHOUT_CFLAGS SHOUT_LIBS, and
+# SHOUT_THREADSAFE
+AC_DEFUN([XIPH_PATH_SHOUT],
+[dnl
+xt_have_shout="no"
+SHOUT_THREADSAFE="no"
+SHOUT_CPPFLAGS=""
+SHOUT_CFLAGS=""
+SHOUT_LIBS=""
+
+# NB: PKG_CHECK_MODULES exits if pkg-config is unavailable on the target
+# system, so we can't use it.
+
+# seed pkg-config with the default libshout location
+PKG_CONFIG_PATH=${PKG_CONFIG_PATH:-/usr/local/lib/pkgconfig}
+export PKG_CONFIG_PATH
+
+# Step 1: Use pkg-config if available
+AC_PATH_PROG([PKGCONFIG], [pkg-config], [no])
+if test "$PKGCONFIG" != "no" && `$PKGCONFIG --exists shout`
+then
+  SHOUT_CFLAGS=`$PKGCONFIG --variable=cflags_only shout`
+  SHOUT_CPPFLAGS=`$PKGCONFIG --variable=cppflags shout`
+  SHOUT_LIBS=`$PKGCONFIG --libs shout`
+  xt_have_shout="maybe"
+else
+  if test "$PKGCONFIG" != "no"
+  then
+    AC_MSG_NOTICE([$PKGCONFIG couldn't find libshout. Try adjusting PKG_CONFIG_PATH.])
+  fi
+  # pkg-config unavailable, try shout-config
+  AC_PATH_PROG([SHOUTCONFIG], [shout-config], [no])
+  if test "$SHOUTCONFIG" != "no" && test `$SHOUTCONFIG --package` = "libshout"
+  then
+    SHOUT_CPPFLAGS=`$SHOUTCONFIG --cppflags`
+    SHOUT_CFLAGS=`$SHOUTCONFIG --cflags-only`
+    SHOUT_LIBS=`$SHOUTCONFIG --libs`
+    xt_have_shout="maybe"
+  fi
+fi
+
+# Now try actually using libshout
+if test "$xt_have_shout" != "no"
+then
+  ac_save_CPPFLAGS="$CPPFLAGS"
+  ac_save_CFLAGS="$CFLAGS"
+  ac_save_LIBS="$LIBS"
+  CPPFLAGS="$CPPFLAGS $SHOUT_CPPFLAGS"
+  CFLAGS="$CFLAGS $SHOUT_CFLAGS"
+  LIBS="$SHOUT_LIBS $LIBS"
+  AC_CHECK_HEADERS([shout/shout.h], [
+    AC_CHECK_FUNC([shout_new], [
+      ifelse([$1], , :, [$1])
+      xt_have_shout="yes"
+    ])
+    AC_EGREP_CPP([yes], [#include <shout/shout.h>
+#if SHOUT_THREADSAFE
+yes
+#endif
+], [SHOUT_THREADSAFE="yes"])
+  ])
+  CPPFLAGS="$ac_save_CPPFLAGS"
+  CFLAGS="$ac_save_CFLAGS"
+  LIBS="$ac_save_LIBS"
+fi
+
+if test "$xt_have_shout" != "yes"
+then
+  ifelse([$2], , :, [$2])
+fi
+])dnl XIPH_PATH_SHOUT