--- linuxsampler/trunk/configure.in	2010/10/05 10:35:13	2140
+++ linuxsampler/trunk/configure.in	2011/06/11 17:53:32	2183
@@ -528,6 +528,16 @@
 AM_CONDITIONAL(HAVE_AU, test $config_have_au = "yes")
 AM_CONDITIONAL(HAVE_AUFLAGS, test "$AUFLAGS" != "")
 
+if test $config_have_au = "yes" ; then
+    if test "x$DEVELOPER_EXTRAS_DIR" = "x" ; then
+        if test -d /Developer/Extras ; then
+            DEVELOPER_EXTRAS_DIR=/Developer/Extras
+        else      
+            DEVELOPER_EXTRAS_DIR=/Developer/Examples
+        fi
+    fi
+    AC_SUBST(DEVELOPER_EXTRAS_DIR)
+fi
 
 # have we found at least one MIDI input and one audio output driver ?
 if test "$have_midi_input_driver" = "false"; then
@@ -601,6 +611,13 @@
 linuxsampler_save_CFLAGS=$CFLAGS
 CFLAGS="$SNDFILE_CFLAGS $CFLAGS"
 AC_CHECK_DECLS([SF_FORMAT_VORBIS], [], [] ,[[#include <sndfile.h>]])
+
+# Check for loop functionality in libsndfile
+AC_CHECK_MEMBERS([SF_INSTRUMENT.loops],,
+		 [AC_MSG_WARN([Your version of libsndfile does not support
+    reading of loop information. LinuxSampler will not be able to
+    extract loop information from sample files.])],
+		 [#include <sndfile.h>])
 CFLAGS=$linuxsampler_save_CFLAGS
 
 # Instruments DB feature (requires SQLite 3.3)