diff -Nru libcaca-0.99.beta18.orig/caca-sharp/Makefile.am libcaca-0.99.beta18/caca-sharp/Makefile.am
--- libcaca-0.99.beta18.orig/caca-sharp/Makefile.am	2010-02-08 00:49:34.000000000 +0000
+++ libcaca-0.99.beta18/caca-sharp/Makefile.am	2012-09-02 16:04:53.967234751 +0000
@@ -34,7 +34,7 @@
 if USE_CSHARP
 install-data-local:
 	MONO_SHARED_DIR=$$HOME $(GACUTIL) -i caca-sharp.dll \
-	  -package caca-sharp-0.0 -f -root $(DESTDIR)$(libdir)
+	  -package caca-sharp-0.0 -f -root $(DESTDIR)$(prefix)/lib
 	$(mkinstalldirs) $(DESTDIR)$(monodir)
 	sed -e 's@target="[^"]*/@target="@' < caca-sharp.dll.config > $(DESTDIR)$(monodir)/caca-sharp.dll.config
 
diff -Nru libcaca-0.99.beta18.orig/caca-sharp/Makefile.in libcaca-0.99.beta18/caca-sharp/Makefile.in
--- libcaca-0.99.beta18.orig/caca-sharp/Makefile.in	2012-04-06 20:48:33.000000000 +0000
+++ libcaca-0.99.beta18/caca-sharp/Makefile.in	2012-09-02 16:05:03.860134536 +0000
@@ -459,7 +459,7 @@
 
 @USE_CSHARP_TRUE@install-data-local:
 @USE_CSHARP_TRUE@	MONO_SHARED_DIR=$$HOME $(GACUTIL) -i caca-sharp.dll \
-@USE_CSHARP_TRUE@	  -package caca-sharp-0.0 -f -root $(DESTDIR)$(libdir)
+@USE_CSHARP_TRUE@	  -package caca-sharp-0.0 -f -root $(DESTDIR)$(prefix)/lib
 @USE_CSHARP_TRUE@	$(mkinstalldirs) $(DESTDIR)$(monodir)
 @USE_CSHARP_TRUE@	sed -e 's@target="[^"]*/@target="@' < caca-sharp.dll.config > $(DESTDIR)$(monodir)/caca-sharp.dll.config