13 files changed, 36 insertions, 12 deletions
diff --git a/Modules/CMakeCompilerABI.h b/Modules/CMakeCompilerABI.h
index f2714b4..ad481d6 100644
--- a/Modules/CMakeCompilerABI.h
+++ b/Modules/CMakeCompilerABI.h
@@ -25,6 +25,10 @@ const char info_sizeof_dptr[] = {
 #elif defined(__GNU__) && defined(__ELF__) && defined(__ARMEL__)
 #define ABI_ID "ELF ARM"
 
+#elif defined(__linux__) && defined(__ELF__) && defined(__amd64__) &&         \
+  defined(__ILP32__)
+#define ABI_ID "ELF X32"
+
 #elif defined(__ELF__)
 #define ABI_ID "ELF"
 #endif
diff --git a/Modules/CPackRPM.cmake b/Modules/CPackRPM.cmake
index 722ee15..b32feb5 100644
--- a/Modules/CPackRPM.cmake
+++ b/Modules/CPackRPM.cmake
@@ -1044,7 +1044,7 @@ function(cpack_rpm_prepare_content_list)
   endif()
 
   if(NOT DEFINED CPACK_RPM_EXCLUDE_FROM_AUTO_FILELIST)
-    set(CPACK_RPM_EXCLUDE_FROM_AUTO_FILELIST /etc /etc/init.d /usr /usr/share /usr/share/doc /usr/bin /usr/lib /usr/lib64 /usr/include)
+    set(CPACK_RPM_EXCLUDE_FROM_AUTO_FILELIST /etc /etc/init.d /usr /usr/share /usr/share/doc /usr/bin /usr/lib /usr/lib64 /usr/libx32 /usr/include)
     if(CPACK_RPM_EXCLUDE_FROM_AUTO_FILELIST_ADDITION)
       if(CPACK_RPM_PACKAGE_DEBUG)
         message("CPackRPM:Debug: Adding ${CPACK_RPM_EXCLUDE_FROM_AUTO_FILELIST_ADDITION} to builtin omit list.")
diff --git a/Modules/CheckLanguage.cmake b/Modules/CheckLanguage.cmake
index 6b4a9e4..1ea91d2 100644
--- a/Modules/CheckLanguage.cmake
+++ b/Modules/CheckLanguage.cmake
@@ -46,6 +46,8 @@ file(WRITE \"\${CMAKE_CURRENT_BINARY_DIR}/result.cmake\"
     execute_process(
       WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/Check${lang}
       COMMAND ${CMAKE_COMMAND} . -G ${CMAKE_GENERATOR}
+                                 -A "${CMAKE_GENERATOR_PLATFORM}"
+                                 -T "${CMAKE_GENERATOR_TOOLSET}"
       OUTPUT_VARIABLE output
       ERROR_VARIABLE output
       RESULT_VARIABLE result
diff --git a/Modules/FindDevIL.cmake b/Modules/FindDevIL.cmake
index 45fab82..4b868a2 100644
--- a/Modules/FindDevIL.cmake
+++ b/Modules/FindDevIL.cmake
@@ -45,7 +45,7 @@ find_path(IL_INCLUDE_DIR il.h
 
 find_library(IL_LIBRARIES
   NAMES IL DEVIL
-  PATH_SUFFIXES lib64 lib lib32
+  PATH_SUFFIXES libx32 lib64 lib lib32
   DOC "The file that corresponds to the base il library."
 )
 
@@ -53,7 +53,7 @@ find_library(IL_LIBRARIES
 
 find_library(ILUT_LIBRARIES
   NAMES ILUT
-  PATH_SUFFIXES lib64 lib lib32
+  PATH_SUFFIXES libx32 lib64 lib lib32
   DOC "The file that corresponds to the il (system?) utility library."
 )
 
@@ -61,7 +61,7 @@ find_library(ILUT_LIBRARIES
 
 find_library(ILU_LIBRARIES
   NAMES ILU
-  PATH_SUFFIXES lib64 lib lib32
+  PATH_SUFFIXES libx32 lib64 lib lib32
   DOC "The file that corresponds to the il utility library."
 )
 
diff --git a/Modules/FindGLEW.cmake b/Modules/FindGLEW.cmake
index d8609e6..11e8724 100644
--- a/Modules/FindGLEW.cmake
+++ b/Modules/FindGLEW.cmake
@@ -27,7 +27,7 @@
 find_path(GLEW_INCLUDE_DIR GL/glew.h)
 
 if(NOT GLEW_LIBRARY)
-  find_library(GLEW_LIBRARY_RELEASE NAMES GLEW glew32 glew glew32s PATH_SUFFIXES lib64)
+  find_library(GLEW_LIBRARY_RELEASE NAMES GLEW glew32 glew glew32s PATH_SUFFIXES lib64 libx32)
   find_library(GLEW_LIBRARY_DEBUG NAMES GLEWd glew32d glewd PATH_SUFFIXES lib64)
 
   include(${CMAKE_CURRENT_LIST_DIR}/SelectLibraryConfigurations.cmake)
diff --git a/Modules/FindGTK2.cmake b/Modules/FindGTK2.cmake
index 20d7924..2eca5f9 100644
--- a/Modules/FindGTK2.cmake
+++ b/Modules/FindGTK2.cmake
@@ -292,8 +292,10 @@ function(_GTK2_FIND_INCLUDE_DIR _var _hdr)
     find_path(GTK2_${_var}_INCLUDE_DIR ${_hdr}
         PATHS
             ${_gtk2_arch_dir}
+            /usr/local/libx32
             /usr/local/lib64
             /usr/local/lib
+            /usr/libx32
             /usr/lib64
             /usr/lib
             /usr/X11R6/include
diff --git a/Modules/FindIce.cmake b/Modules/FindIce.cmake
index a61d4a8..e0286ee 100644
--- a/Modules/FindIce.cmake
+++ b/Modules/FindIce.cmake
@@ -198,7 +198,7 @@ function(_Ice_FIND)
   endif()
   # Generic 64-bit and 32-bit directories
   list(APPEND ice_binary_suffixes "bin${_x64}" "bin")
-  list(APPEND ice_library_suffixes "${_lib64}" "lib${_x64}" "lib")
+  list(APPEND ice_library_suffixes "libx32" "${_lib64}" "lib${_x64}" "lib")
   list(APPEND ice_include_suffixes "include")
   list(APPEND ice_slice_suffixes "slice")
 
diff --git a/Modules/FindKDE3.cmake b/Modules/FindKDE3.cmake
index 62e2a50..03216a5 100644
--- a/Modules/FindKDE3.cmake
+++ b/Modules/FindKDE3.cmake
@@ -221,6 +221,8 @@ get_filename_component(KDE3_LIB_DIR ${KDE3_KDECORE_LIBRARY} PATH )
 if(NOT KDE3_LIBTOOL_DIR)
    if(KDE3_KDECORE_LIBRARY MATCHES lib64)
      set(KDE3_LIBTOOL_DIR /lib64/kde3)
+   elseif(KDE3_KDECORE_LIBRARY MATCHES libx32)
+     set(KDE3_LIBTOOL_DIR /libx32/kde3)
    else()
      set(KDE3_LIBTOOL_DIR /lib/kde3)
    endif()
diff --git a/Modules/FindOpenAL.cmake b/Modules/FindOpenAL.cmake
index 8622b4c..c3d202e 100644
--- a/Modules/FindOpenAL.cmake
+++ b/Modules/FindOpenAL.cmake
@@ -79,7 +79,7 @@ find_library(OPENAL_LIBRARY
   NAMES OpenAL al openal OpenAL32
   HINTS
     ENV OPENALDIR
-  PATH_SUFFIXES lib64 lib libs64 libs ${_OpenAL_ARCH_DIR}
+  PATH_SUFFIXES libx32 lib64 lib libs64 libs ${_OpenAL_ARCH_DIR}
   PATHS
   ~/Library/Frameworks
   /Library/Frameworks
diff --git a/Modules/FindPkgConfig.cmake b/Modules/FindPkgConfig.cmake
index a69081f..54572f0 100644
--- a/Modules/FindPkgConfig.cmake
+++ b/Modules/FindPkgConfig.cmake
@@ -312,6 +312,10 @@ macro(_pkg_check_modules_internal _is_required _is_silent _no_cmake_path _no_cma
           if(uselib64 AND CMAKE_SIZEOF_VOID_P EQUAL 8)
             list(APPEND _lib_dirs "lib64/pkgconfig")
           endif()
+          get_property(uselibx32 GLOBAL PROPERTY FIND_LIBRARY_USE_LIBX32_PATHS)
+          if(uselibx32 AND CMAKE_INTERNAL_PLATFORM_ABI STREQUAL "ELF X32")
+            list(APPEND _lib_dirs "libx32/pkgconfig")
+          endif()
         endif()
       endif()
       list(APPEND _lib_dirs "lib/pkgconfig")
diff --git a/Modules/GetPrerequisites.cmake b/Modules/GetPrerequisites.cmake
index 417af7c..a3b97ab 100644
--- a/Modules/GetPrerequisites.cmake
+++ b/Modules/GetPrerequisites.cmake
@@ -521,7 +521,7 @@ function(gp_resolved_file_type original_file file exepath dirs type_var)
     string(TOLOWER "${resolved_file}" lower)
 
     if(UNIX)
-      if(resolved_file MATCHES "^(/lib/|/lib32/|/lib64/|/usr/lib/|/usr/lib32/|/usr/lib64/|/usr/X11R6/|/usr/bin/)")
+      if(resolved_file MATCHES "^(/lib/|/lib32/|/libx32/|/lib64/|/usr/lib/|/usr/lib32/|/usr/libx32/|/usr/lib64/|/usr/X11R6/|/usr/bin/)")
         set(is_system 1)
       endif()
     endif()
diff --git a/Modules/Platform/UnixPaths.cmake b/Modules/Platform/UnixPaths.cmake
index b216d03..c1d2c03 100644
--- a/Modules/Platform/UnixPaths.cmake
+++ b/Modules/Platform/UnixPaths.cmake
@@ -86,3 +86,4 @@ list(APPEND CMAKE_CXX_IMPLICIT_INCLUDE_DIRECTORIES
 # Enable use of lib32 and lib64 search path variants by default.
 set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB32_PATHS TRUE)
 set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS TRUE)
+set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIBX32_PATHS TRUE)
diff --git a/Modules/WriteCompilerDetectionHeader.cmake b/Modules/WriteCompilerDetectionHeader.cmake
index 0b16aa4..362099e 100644
--- a/Modules/WriteCompilerDetectionHeader.cmake
+++ b/Modules/WriteCompilerDetectionHeader.cmake
@@ -503,10 +503,19 @@ function(write_compiler_detection_header
       if (feature STREQUAL cxx_static_assert)
         set(def_value "${prefix_arg}_STATIC_ASSERT(X)")
         set(def_value_msg "${prefix_arg}_STATIC_ASSERT_MSG(X, MSG)")
-        set(static_assert_struct "template<bool> struct ${prefix_arg}StaticAssert;\ntemplate<> struct ${prefix_arg}StaticAssert<true>{};\n")
-        set(def_standard "#    define ${def_value} static_assert(X, #X)\n#    define ${def_value_msg} static_assert(X, MSG)")
-        set(def_alternative "${static_assert_struct}#    define ${def_value} sizeof(${prefix_arg}StaticAssert<X>)\n#    define ${def_value_msg} sizeof(${prefix_arg}StaticAssert<X>)")
-        string(APPEND file_content "#  if defined(${def_name}) && ${def_name}\n${def_standard}\n#  else\n${def_alternative}\n#  endif\n\n")
+        set(def_fallback "enum { ${prefix_arg}_STATIC_ASSERT_JOIN(${prefix_arg}StaticAssertEnum, __LINE__) = sizeof(${prefix_arg}StaticAssert<X>) }")
+        string(APPEND file_content "#  if defined(${def_name}) && ${def_name}
+#    define ${def_value} static_assert(X, #X)
+#    define ${def_value_msg} static_assert(X, MSG)
+#  else
+#    define ${prefix_arg}_STATIC_ASSERT_JOIN(X, Y) ${prefix_arg}_STATIC_ASSERT_JOIN_IMPL(X, Y)
+#    define ${prefix_arg}_STATIC_ASSERT_JOIN_IMPL(X, Y) X##Y
+template<bool> struct ${prefix_arg}StaticAssert;
+template<> struct ${prefix_arg}StaticAssert<true>{};
+#    define ${def_value} ${def_fallback}
+#    define ${def_value_msg} ${def_fallback}
+#  endif
+\n")
       endif()
       if (feature STREQUAL cxx_alignas)
         set(def_value "${prefix_arg}_ALIGNAS(X)")