File tulip-lib64-install.patch of Package tulip
diff -wruN -x '*~' ../orig-tulip-3.6.1-src/CMakeLists.txt ./CMakeLists.txt
--- ../orig-tulip-3.6.1-src/CMakeLists.txt 2011-11-14 09:01:26.000000000 +0100
+++ ./CMakeLists.txt 2012-02-08 13:00:02.000000000 +0100
@@ -277,7 +277,12 @@
SET(TulipBitmapInstallDir ${TulipShareInstallDir}/bitmaps/)
SET(TulipAppleResourcesDir ${TulipAppleContentsDir}Resources/)
ELSE()
+# Library
+IF (CMAKE_SIZEOF_VOID_P MATCHES "8")
+ SET(TulipLibInstallDir lib64/)
+ELSE(CMAKE_SIZEOF_VOID_P MATCHES "8")
SET(TulipLibInstallDir lib/)
+ENDIF(CMAKE_SIZEOF_VOID_P MATCHES "8")
SET(TulipPluginsInstallDir ${TulipLibInstallDir}/tulip/)
SET(TulipBinInstallDir bin/)
SET(TulipIncludeInstallDir include/)