--- /dev/null
+Description: Add Guile 2.0 support to lilypond
+Origin: vendor
+Bug-Debian: http://bugs.debian.org/746005
+Author: Don Armstrong <don@debian.org>
+--- a/configure.ac
++++ b/configure.ac
+@@ -129,7 +129,7 @@
+ STEPMAKE_MSGFMT(REQUIRED)
+ STEPMAKE_TEXMF(REQUIRED)
+ STEPMAKE_TEXMF_DIRS(REQUIRED)
+-STEPMAKE_GUILE_DEVEL(REQUIRED, 1.8.2, 1.9.0)
++STEPMAKE_GUILE_DEVEL(REQUIRED, 1.8.2, 2.1)
+
+ # check for 3 typedefs added in Guile 1.9
+ save_CXXFLAGS="$CXXFLAGS"
+@@ -212,7 +212,7 @@
+ STEPMAKE_WINDOWS
+
+ # guile executable for some scripts
+-STEPMAKE_GUILE(OPTIONAL, 1.8.2, 1.9.0)
++STEPMAKE_GUILE(OPTIONAL, 1.8.2, 2.1)
+
+ # perl for help2man and for mf2pt1.pl
+ STEPMAKE_PERL(REQUIRED)