--- CMakeLists.txt.orig	2008-12-04 13:38:05.000000000 -0200
+++ CMakeLists.txt	2008-12-04 13:42:23.000000000 -0200
@@ -4,6 +4,8 @@
 PROJECT(FLTK)
 CMAKE_MINIMUM_REQUIRED(VERSION 2.0)
 
+set (LIB_SUFFIX "" CACHE STRING "Define suffix of directory name (32/64)" )
+
 # The FLTK version
 SET(FLTK_VERSION_MAJOR "1")
 SET(FLTK_VERSION_MINOR "1")
@@ -384,18 +386,18 @@
 
 # For installed tree usage
 SET(FLTK_FLUID_COMMAND "${CMAKE_INSTALL_PREFIX}/bin/fluid")
-SET(FLTK_LIBRARY_DEPENDS_FILE ${CMAKE_INSTALL_PREFIX}/lib/FLTK-${FLTK_VERSION}/FLTKLibraryDepends.cmake)
+SET(FLTK_LIBRARY_DEPENDS_FILE ${CMAKE_INSTALL_PREFIX}/lib${LIB_SUFFIX}/FLTK-${FLTK_VERSION}/FLTKLibraryDepends.cmake)
 SET(FLTK_EXECUTABLE_DIRS "${CMAKE_INSTALL_PREFIX}/bin")
-SET(FLTK_LIBRARY_DIRS "${CMAKE_INSTALL_PREFIX}/lib")
-SET(FLTK_USE_FILE "${CMAKE_INSTALL_PREFIX}/lib/FLTK-${FLTK_VERSION}/FLTKUse.cmake")
+SET(FLTK_LIBRARY_DIRS "${CMAKE_INSTALL_PREFIX}/lib${LIB_SUFFIX}")
+SET(FLTK_USE_FILE "${CMAKE_INSTALL_PREFIX}/lib${LIB_SUFFIX}/FLTK-${FLTK_VERSION}/FLTKUse.cmake")
 SET(FLTK_INCLUDE_DIRS "${CMAKE_INSTALL_PREFIX}/")
-SET(FLTK_BUILD_SETTINGS_FILE ${CMAKE_INSTALL_PREFIX}/lib/FLTK-${FLTK_VERSION}/FLTKBuildSettings.cmake)
+SET(FLTK_BUILD_SETTINGS_FILE ${CMAKE_INSTALL_PREFIX}/lib${LIB_SUFFIX}/FLTK-${FLTK_VERSION}/FLTKBuildSettings.cmake)
 SET(prefix "${CMAKE_INSTALL_PREFIX}")
 SET(exec_prefix "${prefix}")
 SET(exec_prefix_set "no")
 SET(bindir "${prefix}/bin")
 SET(includedir "${prefix}")
-SET(libdir "${prefix}/lib")
+SET(libdir "${prefix}/lib${LIB_SUFFIX}")
 SET(srcdir ".")
 
 CONFIGURE_FILE("${FLTK_SOURCE_DIR}/CMake/FLTKConfig.cmake.in"
@@ -404,7 +406,7 @@
   "${FLTK_BINARY_DIR}/CMake/fltk-config" @ONLY IMMEDIATE)
 
 INSTALL_FILES(/include/FL FILES ${FLTK_HEADER_FILES})
-INSTALL_FILES(/lib/FLTK-${FLTK_VERSION} FILES "${FLTK_SOURCE_DIR}/CMake/FLTKUse.cmake")
-INSTALL_FILES(/lib/FLTK-${FLTK_VERSION} FILES "${FLTK_BINARY_DIR}/FLTKBuildSettings.cmake")
-INSTALL_FILES(/lib/FLTK-${FLTK_VERSION} FILES "${FLTK_BINARY_DIR}/FLTKLibraryDepends.cmake")
-INSTALL_FILES(/lib/FLTK-${FLTK_VERSION} FILES "${FLTK_BINARY_DIR}/CMake/FLTKConfig.cmake")
+INSTALL_FILES(/lib${LIB_SUFFIX}/FLTK-${FLTK_VERSION} FILES "${FLTK_SOURCE_DIR}/CMake/FLTKUse.cmake")
+INSTALL_FILES(/lib${LIB_SUFFIX}/FLTK-${FLTK_VERSION} FILES "${FLTK_BINARY_DIR}/FLTKBuildSettings.cmake")
+INSTALL_FILES(/lib${LIB_SUFFIX}/FLTK-${FLTK_VERSION} FILES "${FLTK_BINARY_DIR}/FLTKLibraryDepends.cmake")
+INSTALL_FILES(/lib${LIB_SUFFIX}/FLTK-${FLTK_VERSION} FILES "${FLTK_BINARY_DIR}/CMake/FLTKConfig.cmake")
--- src/CMakeLists.txt.orig	2008-12-04 13:51:41.000000000 -0200
+++ src/CMakeLists.txt	2008-12-04 13:52:36.000000000 -0200
@@ -167,7 +167,7 @@
   )
 
 ADD_LIBRARY(fltk ${CPPFILES} ${CFILES})
-INSTALL_TARGETS(/lib fltk)
+INSTALL_TARGETS(/lib${LIB_SUFFIX} fltk)
 SET_TARGET_PROPERTIES(fltk
   PROPERTIES
   VERSION ${FLTK_VERSION_MAJOR}.${FLTK_VERSION_MINOR}
@@ -181,7 +181,7 @@
 
 IF(OPENGL_FOUND)
   ADD_LIBRARY(fltk_gl ${GLCPPFILES})
-  INSTALL_TARGETS(/lib fltk_gl)
+  INSTALL_TARGETS(/lib${LIB_SUFFIX} fltk_gl)
   TARGET_LINK_LIBRARIES(fltk_gl fltk ${OPENGL_LIBRARIES})
   SET_TARGET_PROPERTIES(fltk_gl
     PROPERTIES
@@ -190,7 +190,7 @@
 ENDIF(OPENGL_FOUND)
 
 ADD_LIBRARY(fltk_forms ${FLCPPFILES})
-INSTALL_TARGETS(/lib fltk_forms)
+INSTALL_TARGETS(/lib${LIB_SUFFIX} fltk_forms)
 TARGET_LINK_LIBRARIES(fltk_forms fltk)
 SET_TARGET_PROPERTIES(fltk_forms
   PROPERTIES
@@ -198,7 +198,7 @@
   SOVERSION ${FLTK_VERSION_PATCH})
 
 ADD_LIBRARY(fltk_images ${IMGCPPFILES})
-INSTALL_TARGETS(/lib fltk_images)
+INSTALL_TARGETS(/lib${LIB_SUFFIX} fltk_images)
 TARGET_LINK_LIBRARIES(fltk_images fltk ${FLTK_PNG_LIBRARIES}
      ${FLTK_JPEG_LIBRARIES} ${FLTK_ZLIB_LIBRARIES})
 SET_TARGET_PROPERTIES(fltk_images