diff --git a/CMakeLists.txt b/CMakeLists.txt
index fca2e59b3b..28379a3777 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,6 +13,17 @@ else(${CMAKE_MAJOR_VERSION} GREATER 2 OR ${CMAKE_MINOR_VERSION} GREATER 7)
 	set( NO_GENERATOR_EXPRESSIONS ON )
 endif(${CMAKE_MAJOR_VERSION} GREATER 2 OR ${CMAKE_MINOR_VERSION} GREATER 7)
 
+# Support cross compiling
+option( FORCE_CROSSCOMPILE "Turn on cross compiling." NO )
+if( FORCE_CROSSCOMPILE )
+	set( CMAKE_CROSSCOMPILING TRUE )
+endif( FORCE_CROSSCOMPILE )
+
+if(CMAKE_CROSSCOMPILING)
+	set(IMPORT_EXECUTABLES "IMPORTFILE-NOTFOUND" CACHE FILEPATH "Export file from native build.")
+	include(${IMPORT_EXECUTABLES})
+endif(CMAKE_CROSSCOMPILING)
+
 # Simplify pk3 building, add_pk3(filename srcdirectory)
 function( add_pk3 PK3_NAME PK3_DIR )
 	get_target_property(ZIPDIR_EXE zipdir LOCATION)
@@ -208,3 +219,7 @@ add_subdirectory( src )
 if( NOT WIN32 AND NOT APPLE )
 	add_subdirectory( output_sdl )
 endif( NOT WIN32 AND NOT APPLE )
+
+if( NOT CMAKE_CROSSCOMPILING )
+	export(TARGETS ${CROSS_EXPORTS} FILE "${CMAKE_BINARY_DIR}/ImportExecutables.cmake" )
+endif( NOT CMAKE_CROSSCOMPILING )
diff --git a/gdtoa/CMakeLists.txt b/gdtoa/CMakeLists.txt
index 91079d94c2..9403f17935 100644
--- a/gdtoa/CMakeLists.txt
+++ b/gdtoa/CMakeLists.txt
@@ -16,13 +16,18 @@ include_directories( ${CMAKE_CURRENT_BINARY_DIR} )
 add_definitions( -DINFNAN_CHECK -DMULTIPLE_THREADS )
 
 if( NOT MSVC )
-	add_executable( arithchk arithchk.c )
+	if( NOT CMAKE_CROSSCOMPILING )
+		add_executable( arithchk arithchk.c )
+	endif( NOT CMAKE_CROSSCOMPILING )
 	get_target_property( ARITHCHK_EXE arithchk LOCATION )
 	add_custom_command( OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/arith.h 
 		COMMAND ${ARITHCHK_EXE} >${CMAKE_CURRENT_BINARY_DIR}/arith.h
 		DEPENDS arithchk )
 
-	add_executable( qnan qnan.c arith.h )
+	if( NOT CMAKE_CROSSCOMPILING )
+		add_executable( qnan qnan.c arith.h )
+		set( CROSS_EXPORTS ${CROSS_EXPORTS} arithchk qnan PARENT_SCOPE )
+	endif( NOT CMAKE_CROSSCOMPILING )
 	get_target_property( QNAN_EXE qnan LOCATION )
 	add_custom_command( OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/gd_qnan.h
 		COMMAND ${QNAN_EXE} >${CMAKE_CURRENT_BINARY_DIR}/gd_qnan.h
diff --git a/tools/CMakeLists.txt b/tools/CMakeLists.txt
index 1d1de65e5d..08a1c4f4b4 100644
--- a/tools/CMakeLists.txt
+++ b/tools/CMakeLists.txt
@@ -7,3 +7,5 @@ if( WIN32 )
 endif( WIN32 )
 add_subdirectory( updaterevision )
 add_subdirectory( zipdir )
+
+set( CROSS_EXPORTS ${CROSS_EXPORTS} PARENT_SCOPE )
diff --git a/tools/fixrtext/CMakeLists.txt b/tools/fixrtext/CMakeLists.txt
index 9af8eb7f4a..2b0ab2cda0 100644
--- a/tools/fixrtext/CMakeLists.txt
+++ b/tools/fixrtext/CMakeLists.txt
@@ -1,2 +1,6 @@
 cmake_minimum_required( VERSION 2.4 )
-add_executable( fixrtext fixrtext.c )
+
+if( NOT CMAKE_CROSSCOMPILING )
+	add_executable( fixrtext fixrtext.c )
+	set( CROSS_EXPORTS ${CROSS_EXPORTS} fixrtext PARENT_SCOPE )
+endif( NOT CMAKE_CROSSCOMPILING )
diff --git a/tools/lemon/CMakeLists.txt b/tools/lemon/CMakeLists.txt
index f3b07a72f1..0a9b558ee6 100644
--- a/tools/lemon/CMakeLists.txt
+++ b/tools/lemon/CMakeLists.txt
@@ -1,8 +1,11 @@
 cmake_minimum_required( VERSION 2.4 )
 
-set( CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -D_DEBUG" )
+if( NOT CMAKE_CROSSCOMPILING )
+	set( CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -D_DEBUG" )
 
-add_executable( lemon lemon.c )
+	add_executable( lemon lemon.c )
+	set( CROSS_EXPORTS ${CROSS_EXPORTS} lemon PARENT_SCOPE )
+endif( NOT CMAKE_CROSSCOMPILING )
 
 # Lemon wants lempar.c in its directory
 if( NOT NO_GENERATOR_EXPRESSIONS )
diff --git a/tools/re2c/CMakeLists.txt b/tools/re2c/CMakeLists.txt
index e6068a28df..1284f3506b 100644
--- a/tools/re2c/CMakeLists.txt
+++ b/tools/re2c/CMakeLists.txt
@@ -1,4 +1,7 @@
 cmake_minimum_required( VERSION 2.4 )
+
+if( NOT CMAKE_CROSSCOMPILING )
+
 include( CheckFunctionExists )
 include( CheckTypeSize )
 
@@ -30,3 +33,7 @@ add_executable( re2c
 	scanner.cc
 	substr.cc
 	translate.cc )
+
+set( CROSS_EXPORTS ${CROSS_EXPORTS} re2c PARENT_SCOPE )
+
+endif( NOT CMAKE_CROSSCOMPILING )
diff --git a/tools/updaterevision/CMakeLists.txt b/tools/updaterevision/CMakeLists.txt
index d985b9e3f0..b857ffbe72 100644
--- a/tools/updaterevision/CMakeLists.txt
+++ b/tools/updaterevision/CMakeLists.txt
@@ -17,7 +17,10 @@ if( WIN32 )
 	endif( "${CMAKE_C_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_C_COMPILER_ID}" STREQUAL "Clang" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" )
 endif( WIN32 )
 
-add_executable( updaterevision updaterevision.c ${TRUSTINFO} )
+if( NOT CMAKE_CROSSCOMPILING )
+	add_executable( updaterevision updaterevision.c ${TRUSTINFO} )
+	set( CROSS_EXPORTS ${CROSS_EXPORTS} updaterevision PARENT_SCOPE )
+endif( NOT CMAKE_CROSSCOMPILING )
 
 if( MT_MERGE )
 	get_target_property( UPDATEREVISION_EXE updaterevision LOCATION )
diff --git a/tools/zipdir/CMakeLists.txt b/tools/zipdir/CMakeLists.txt
index 40c4042b97..3ee22ddc30 100644
--- a/tools/zipdir/CMakeLists.txt
+++ b/tools/zipdir/CMakeLists.txt
@@ -1,8 +1,12 @@
 cmake_minimum_required( VERSION 2.4 )
-message(STATUS "${ZLIB_INCLUDE_DIR}" )
-message(STATUS "${BZIP2_INCLUDE_DIR}" )
-message(STATUS "${LZMA_INCLUDE_DIR}" )
-include_directories( "${ZLIB_INCLUDE_DIR}" "${BZIP2_INCLUDE_DIR}" "${LZMA_INCLUDE_DIR}" )
-add_executable( zipdir
-	zipdir.c )
-target_link_libraries( zipdir ${ZLIB_LIBRARIES} ${BZIP2_LIBRARIES} lzma )
+
+if(NOT CMAKE_CROSSCOMPILING)
+	message(STATUS "${ZLIB_INCLUDE_DIR}" )
+	message(STATUS "${BZIP2_INCLUDE_DIR}" )
+	message(STATUS "${LZMA_INCLUDE_DIR}" )
+	include_directories( "${ZLIB_INCLUDE_DIR}" "${BZIP2_INCLUDE_DIR}" "${LZMA_INCLUDE_DIR}" )
+	add_executable( zipdir
+		zipdir.c )
+	target_link_libraries( zipdir ${ZLIB_LIBRARIES} ${BZIP2_LIBRARIES} lzma )
+	set( CROSS_EXPORTS ${CROSS_EXPORTS} zipdir PARENT_SCOPE )
+endif(NOT CMAKE_CROSSCOMPILING)