--- cmake-2.4.10/Modules/KDE3Macros.cmake.orig	2012-11-03 08:29:52.205394821 +0100
+++ cmake-2.4.10/Modules/KDE3Macros.cmake	2012-11-03 08:31:27.108749182 +0100
@@ -336,7 +336,7 @@
    file(APPEND ${_laname} "# Should we warn about portability when linking against -modules?\nshouldnotlink=yes\n")
    file(APPEND ${_laname} "# Files to dlopen/dlpreopen\ndlopen=''\ndlpreopen=''\n")
    file(APPEND ${_laname} "# Directory that this library needs to be installed in:\n")
-   file(APPEND ${_laname} "libdir='${CMAKE_INSTALL_PREFIX}/lib/kde3'\n")
+   file(APPEND ${_laname} "libdir='${CMAKE_INSTALL_PREFIX}/libx32/kde3'\n")
 
    install_files(${KDE3_LIBTOOL_DIR} FILES ${_laname})
 endmacro()
--- cmake-3.1.0/Modules/FindZLIB.cmake~	2014-12-15 20:07:43.000000000 +0000
+++ cmake-3.1.0/Modules/FindZLIB.cmake	2014-12-24 21:00:27.139263296 +0000
@@ -79,7 +79,7 @@
 # Try each search configuration.
 foreach(search ${_ZLIB_SEARCHES})
   find_path(ZLIB_INCLUDE_DIR NAMES zlib.h        ${${search}} PATH_SUFFIXES include)
-  find_library(ZLIB_LIBRARY  NAMES ${ZLIB_NAMES} ${${search}} PATH_SUFFIXES lib)
+  find_library(ZLIB_LIBRARY  NAMES ${ZLIB_NAMES} ${${search}} PATH_SUFFIXES libx32)
 endforeach()
 
 mark_as_advanced(ZLIB_LIBRARY ZLIB_INCLUDE_DIR)
--- cmake-3.1.0/Source/cmFindLibraryCommand.cxx~	2014-12-15 20:07:43.000000000 +0000
+++ cmake-3.1.0/Source/cmFindLibraryCommand.cxx	2014-12-24 21:33:33.561835255 +0000
@@ -65,6 +65,16 @@
       }
     }
 
+  if(this->Makefile->GetCMakeInstance()
+     ->GetPropertyAsBool("FIND_LIBRARY_USE_LIBX32_PATHS"))
+    {
+    // add special 64 bit paths if this is a 64 bit compile.
+    if(this->Makefile->PlatformIsx32Bit())
+      {
+      this->AddArchitecturePaths("x32");
+      }
+    }
+
   std::string library = this->FindLibrary();
   if(library != "")
     {
--- cmake-3.1.0/Source/cmFindPackageCommand.cxx.orig	2014-12-15 20:07:43.000000000 +0000
+++ cmake-3.1.0/Source/cmFindPackageCommand.cxx	2014-12-24 21:35:01.094694382 +0000
@@ -90,6 +90,14 @@
     this->UseLib64Paths = true;
     }
 
+  // Lookup whether libx32 paths should be used.
+  if(this->Makefile->PlatformIsx32Bit() &&
+     this->Makefile->GetCMakeInstance()
+     ->GetPropertyAsBool("FIND_LIBRARY_USE_LIBX32_PATHS"))
+    {
+    this->UseLibx32Paths = true;
+    }
+
   // Check if User Package Registry should be disabled
   if(this->Makefile->IsOn("CMAKE_FIND_PACKAGE_NO_PACKAGE_REGISTRY"))
     {
--- cmake-3.1.0/Source/cmMakefile.cxx~	2014-12-15 20:07:43.000000000 +0000
+++ cmake-3.1.0/Source/cmMakefile.cxx	2014-12-24 21:50:15.543073723 +0000
@@ -2370,6 +2370,15 @@
   return false;
 }
 
+bool cmMakefile::PlatformIsx32Bit() const
+{
+#ifdef __ILP32__
+  return true;
+#else
+  return false;
+#endif
+}
+
 const char* cmMakefile::GetSONameFlag(const std::string& language) const
 {
   std::string name = "CMAKE_SHARED_LIBRARY_SONAME";
--- cmake-3.1.0/Source/cmMakefile.h~	2014-12-15 20:07:43.000000000 +0000
+++ cmake-3.1.0/Source/cmMakefile.h	2014-12-24 21:51:51.335888102 +0000
@@ -648,6 +648,8 @@
 
   /** Return whether the target platform is 64-bit.  */
   bool PlatformIs64Bit() const;
+  /** Return whether the target platform is x32-bit.  */
+  bool PlatformIsx32Bit() const;
 
   /** Retrieve soname flag for the specified language if supported */
   const char* GetSONameFlag(const std::string& language) const;
--- cmake-3.1.0/Source/cmFindPackageCommand.h~	2014-12-15 20:07:43.000000000 +0000
+++ cmake-3.1.0/Source/cmFindPackageCommand.h	2014-12-24 22:05:38.051409399 +0000
@@ -124,6 +124,7 @@
   bool NoBuilds;
   bool DebugMode;
   bool UseLib64Paths;
+  bool UseLibx32Paths;
   bool PolicyScope;
   std::string LibraryArchitecture;
   std::vector<std::string> Names;
--- cmake-3.1.0/Modules/Platform/UnixPaths.cmake~	2014-12-15 20:07:43.000000000 +0000
+++ cmake-3.1.0/Modules/Platform/UnixPaths.cmake	2014-12-24 22:14:56.025053263 +0000
@@ -95,3 +95,4 @@
 
 # Enable use of lib64 search path variants by default.
 set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS TRUE)
+set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIBX32_PATHS TRUE)
--- cmake-3.1.0/Modules/FindPkgConfig.cmake~	2014-12-15 20:07:43.000000000 +0000
+++ cmake-3.1.0/Modules/FindPkgConfig.cmake	2014-12-24 22:17:04.721022724 +0000
@@ -241,6 +241,10 @@
             list(APPEND _lib_dirs "lib64/pkgconfig")
           endif()
         endif()
+        get_property(uselibx32 GLOBAL PROPERTY FIND_LIBRARY_USE_LIBX32_PATHS)
+        if(uselibx32)
+          list(APPEND _lib_dirs "libx32/pkgconfig")
+        endif()
       endif()
       list(APPEND _lib_dirs "lib/pkgconfig")