gentoo-overlay/media-libs/libprojectm/files/libprojectm-2.1.0-multilib.patch

--- libprojectM/CMakeLists.txt
+++ libprojectM/CMakeLists.txt
@@ -35,7 +35,7 @@
 
 ADD_DEFINITIONS(-DCMAKE_INSTALL_PREFIX="\\\"${CMAKE_INSTALL_PREFIX}\\\"")
 
-SET(LIB_INSTALL_DIR "\${exec_prefix}/lib"
+SET(LIB_INSTALL_DIR "\${exec_prefix}/lib${LIB_SUFFIX}"
   CACHE PATH "The subdirectory relative to the install prefix where libraries will be installed (default is /lib)"
   FORCE)
 
@@ -234,7 +234,7 @@
 FILE(GLOB presets "presets/*.milk" "presets/*.prjm" "presets/*.tga")
 INSTALL(FILES ${presets} DESTINATION ${CMAKE_INSTALL_PREFIX}/share/projectM/presets)
 INSTALL(FILES ${Renderer_SOURCE_DIR}/projectM.cg ${Renderer_SOURCE_DIR}/blur.cg DESTINATION ${CMAKE_INSTALL_PREFIX}/share/projectM/shaders)
-INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/libprojectM.pc DESTINATION ${CMAKE_INSTALL_PREFIX}/lib/pkgconfig)
+INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/libprojectM.pc DESTINATION ${CMAKE_INSTALL_PREFIX}/lib${LIB_SUFFIX}/pkgconfig)
 INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/config.inp DESTINATION ${CMAKE_INSTALL_PREFIX}/share/projectM)
 INSTALL(FILES projectM.hpp event.h dlldefs.h fatal.h PCM.hpp Common.hpp DESTINATION include/libprojectM)
-INSTALL(TARGETS projectM DESTINATION lib)
+INSTALL(TARGETS projectM DESTINATION lib${LIB_SUFFIX})