+
+function(add_public_tablegen_target target)
+ # Creates a target for publicly exporting tablegen dependencies.
+ if( TABLEGEN_OUTPUT )
+ add_custom_target(${target}
+ DEPENDS ${TABLEGEN_OUTPUT})
+ if (LLVM_COMMON_DEPENDS)
+ add_dependencies(${target} ${LLVM_COMMON_DEPENDS})
+ endif ()
+ set_target_properties(${target} PROPERTIES FOLDER "Tablegenning")
+ endif( TABLEGEN_OUTPUT )
+endfunction()
+
+if(CMAKE_CROSSCOMPILING)
+ set(CX_NATIVE_TG_DIR "${CMAKE_BINARY_DIR}/native")
+
+ add_custom_command(OUTPUT ${CX_NATIVE_TG_DIR}
+ COMMAND ${CMAKE_COMMAND} -E make_directory ${CX_NATIVE_TG_DIR}
+ COMMENT "Creating ${CX_NATIVE_TG_DIR}...")
+
+ add_custom_command(OUTPUT ${CX_NATIVE_TG_DIR}/CMakeCache.txt
+ COMMAND ${CMAKE_COMMAND} -UMAKE_TOOLCHAIN_FILE -DCMAKE_BUILD_TYPE=Release
+ -DLLVM_BUILD_POLLY=OFF ${CMAKE_SOURCE_DIR}
+ WORKING_DIRECTORY ${CX_NATIVE_TG_DIR}
+ DEPENDS ${CX_NATIVE_TG_DIR}
+ COMMENT "Configuring native TableGen...")
+
+ add_custom_target(ConfigureNativeTableGen DEPENDS ${CX_NATIVE_TG_DIR}/CMakeCache.txt)
+
+ set_directory_properties(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES ${CX_NATIVE_TG_DIR})
+endif()
+
+macro(add_tablegen target project)
+ set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR})
+
+ set(${target}_OLD_LLVM_LINK_COMPONENTS ${LLVM_LINK_COMPONENTS})
+ set(LLVM_LINK_COMPONENTS ${LLVM_LINK_COMPONENTS} TableGen)
+ add_llvm_utility(${target} ${ARGN})
+ set(LLVM_LINK_COMPONENTS ${${target}_OLD_LLVM_LINK_COMPONENTS})
+
+ set(${project}_TABLEGEN "${target}" CACHE
+ STRING "Native TableGen executable. Saves building one when cross-compiling.")
+
+ # Upgrade existing LLVM_TABLEGEN setting.
+ if(${project} STREQUAL LLVM)
+ if(${LLVM_TABLEGEN} STREQUAL tblgen)
+ set(LLVM_TABLEGEN "${target}" CACHE
+ STRING "Native TableGen executable. Saves building one when cross-compiling."
+ FORCE)
+ endif()
+ endif()
+
+ # Effective tblgen executable to be used:
+ set(${project}_TABLEGEN_EXE ${${project}_TABLEGEN} PARENT_SCOPE)
+
+ if(CMAKE_CROSSCOMPILING)
+ if( ${${project}_TABLEGEN} STREQUAL "${target}" )
+ set(${project}_TABLEGEN_EXE "${CX_NATIVE_TG_DIR}/bin/${target}")
+ set(${project}_TABLEGEN_EXE ${${project}_TABLEGEN_EXE} PARENT_SCOPE)
+
+ add_custom_command(OUTPUT ${${project}_TABLEGEN_EXE}
+ COMMAND ${CMAKE_BUILD_TOOL} ${target}
+ DEPENDS ${CX_NATIVE_TG_DIR}/CMakeCache.txt
+ WORKING_DIRECTORY ${CX_NATIVE_TG_DIR}
+ COMMENT "Building native TableGen...")
+ add_custom_target(${project}NativeTableGen DEPENDS ${${project}_TABLEGEN_EXE})
+ add_dependencies(${project}NativeTableGen ConfigureNativeTableGen)
+
+ add_dependencies(${target} ${project}NativeTableGen)
+ endif()
+ endif()
+
+ if( MINGW )
+ target_link_libraries(${target} imagehlp psapi)
+ if(CMAKE_SIZEOF_VOID_P MATCHES "8")
+ set_target_properties(${target} PROPERTIES LINK_FLAGS -Wl,--stack,16777216)
+ endif(CMAKE_SIZEOF_VOID_P MATCHES "8")
+ endif( MINGW )
+ if( LLVM_ENABLE_THREADS AND HAVE_LIBPTHREAD AND NOT BEOS )
+ target_link_libraries(${target} pthread)
+ endif()
+
+ install(TARGETS ${target} RUNTIME DESTINATION bin)
+endmacro()