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llvm-mirror/cmake/modules/TableGen.cmake
Simon Atanasyan b72c2f486d Pass -G argument to cmake with the same generator's name as used for the
initial cmake invocation.

Patch reviewed by Reid Kleckner.

llvm-svn: 187591
2013-08-01 18:04:07 +00:00

132 lines
5.1 KiB
CMake

# LLVM_TARGET_DEFINITIONS must contain the name of the .td file to process.
# Extra parameters for `tblgen' may come after `ofn' parameter.
# Adds the name of the generated file to TABLEGEN_OUTPUT.
macro(tablegen project ofn)
file(GLOB local_tds "*.td")
file(GLOB_RECURSE global_tds "${LLVM_MAIN_SRC_DIR}/include/llvm/*.td")
if (IS_ABSOLUTE ${LLVM_TARGET_DEFINITIONS})
set(LLVM_TARGET_DEFINITIONS_ABSOLUTE ${LLVM_TARGET_DEFINITIONS})
else()
set(LLVM_TARGET_DEFINITIONS_ABSOLUTE
${CMAKE_CURRENT_SOURCE_DIR}/${LLVM_TARGET_DEFINITIONS})
endif()
add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${ofn}.tmp
# Generate tablegen output in a temporary file.
COMMAND ${${project}_TABLEGEN_EXE} ${ARGN} -I ${CMAKE_CURRENT_SOURCE_DIR}
-I ${LLVM_MAIN_SRC_DIR}/lib/Target -I ${LLVM_MAIN_INCLUDE_DIR}
${LLVM_TARGET_DEFINITIONS_ABSOLUTE}
-o ${CMAKE_CURRENT_BINARY_DIR}/${ofn}.tmp
# The file in LLVM_TARGET_DEFINITIONS may be not in the current
# directory and local_tds may not contain it, so we must
# explicitly list it here:
DEPENDS ${${project}_TABLEGEN_EXE} ${local_tds} ${global_tds}
${LLVM_TARGET_DEFINITIONS_ABSOLUTE}
COMMENT "Building ${ofn}..."
)
add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${ofn}
# Only update the real output file if there are any differences.
# This prevents recompilation of all the files depending on it if there
# aren't any.
COMMAND ${CMAKE_COMMAND} -E copy_if_different
${CMAKE_CURRENT_BINARY_DIR}/${ofn}.tmp
${CMAKE_CURRENT_BINARY_DIR}/${ofn}
DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${ofn}.tmp
COMMENT ""
)
# `make clean' must remove all those generated files:
set_property(DIRECTORY APPEND
PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${ofn}.tmp ${ofn})
set(TABLEGEN_OUTPUT ${TABLEGEN_OUTPUT} ${CMAKE_CURRENT_BINARY_DIR}/${ofn})
set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/${ofn}
PROPERTIES GENERATED 1)
endmacro(tablegen)
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 ${CMAKE_COMMAND} -UMAKE_TOOLCHAIN_FILE -DCMAKE_BUILD_TYPE=Release
-DLLVM_BUILD_POLLY=OFF
-G "${CMAKE_GENERATOR}" ${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()