+macro(add_tablegen target project)
+ 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 "${LLVM_NATIVE_BUILD}/bin/${target}")
+ set(${project}_TABLEGEN_EXE ${${project}_TABLEGEN_EXE} PARENT_SCOPE)
+
+ add_custom_command(OUTPUT ${${project}_TABLEGEN_EXE}
+ COMMAND ${CMAKE_COMMAND} --build . --target ${target} --config $<CONFIGURATION>
+ DEPENDS ${LLVM_NATIVE_BUILD}/CMakeCache.txt
+ WORKING_DIRECTORY ${LLVM_NATIVE_BUILD}
+ COMMENT "Building native TableGen...")
+ add_custom_target(${project}NativeTableGen DEPENDS ${${project}_TABLEGEN_EXE})
+ add_dependencies(${project}NativeTableGen ConfigureNativeLLVM)
+
+ add_dependencies(${target} ${project}NativeTableGen)
+ endif()
+ endif()
+
+ if( MINGW )
+ if(CMAKE_SIZEOF_VOID_P MATCHES "8")
+ set_target_properties(${target} PROPERTIES LINK_FLAGS -Wl,--stack,16777216)
+ endif(CMAKE_SIZEOF_VOID_P MATCHES "8")
+ endif( MINGW )
+ if (${project} STREQUAL LLVM AND NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
+ install(TARGETS ${target}
+ EXPORT LLVMExports
+ RUNTIME DESTINATION bin)
+ endif()
+ set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${target})
+endmacro()