Index: catkin-0.6.16/cmake/all.cmake
===================================================================
--- catkin-0.6.16.orig/cmake/all.cmake
+++ catkin-0.6.16/cmake/all.cmake
@@ -108,6 +108,10 @@ endif()
 # include CMake functions
 include(CMakeParseArguments)
 
+# include GNUInstallDirs for LIBDIR
+# https://bugs.gentoo.org/show_bug.cgi?id=566670
+include(GNUInstallDirs)
+
 # functions/macros: list_append_unique, safe_execute_process
 # python-integration: catkin_python_setup.cmake, interrogate_setup_dot_py.py, templates/__init__.py.in, templates/script.py.in, templates/python_distutils_install.bat.in, templates/python_distutils_install.sh.in, templates/safe_execute_install.cmake.in
 foreach(filename