--- linuxsampler/trunk/configure.in	2010/10/05 10:35:13	2140
+++ linuxsampler/trunk/configure.in	2011/02/21 17:34:36	2167
@@ -601,6 +601,13 @@
 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
 
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