0ad/cmake/PrecompiledHeader.cmake
Cayleb-Ordo 8cb2ab8e1e WIP
Signed-off-by: Cayleb-Ordo <simon@fentzl.de>
2026-05-17 10:26:21 +02:00

59 lines
2 KiB
CMake

function(precompile_header _target _header _source)
set(single_args FORCE_INCLUDE)
cmake_parse_arguments(args "" "${single_args}" "" ${ARGN})
get_target_property(target_compiler_FLAGS ${_target} COMPILE_OPTIONS)
get_target_property(target_bindir ${_target} BINARY_DIR)
set(gcc_out ${target_bindir}/${_header}.gch)
if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC" OR CMAKE_C_COMPILER_ID STREQUAL "MSVC")
message(STATUS "Precompiled: ${_target} ${_header} ${_source}")
# message(STATUS "Precompiled: ${_target} ${_header} ${_source}")
# target_compile_options(${_target}
# PRIVATE
# /Yu${_header}
# )
# set_source_files_properties(${_source}/precompiled.cpp PROPERTIES
# COMPILE_FLAGS
# /Yc${_header}
# )
# if(${args_FORCE_INCLUDE})
# set_source_files_properties(${_source}/precompiled.cpp
# PROPERTIES
# COMPILE_FLAGS
# /FI${_header}
# )
# endif()
# get_source_file_property(tmp ${_source}/precompiled.cpp COMPILE_FLAGS)
# message(STATUS "Property: ${tmp}")
# include(CMakePrintHelpers)
# cmake_print_properties(TARGETS ${_target}
# PROPERTIES
# # INCLUDE_DIRECTORIES
# # LINK_LIBRARIES
# COMPILE_OPTIONS
# # COMPILE_DEFINITIONS
# # WIN32_EXECUTABLE
# # MACOSX_BUNDLE
# # IMPORTED_LOCATION
# # INTERFACE_INCLUDE_DIRECTORIES
# # CXX_EXTENSIONS
# # CXX_STANDARD_REQUIRED
# )
elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang|GNU|AppleClang")
message(STATUS "C++")
add_custom_command(
OUTPUT "${gcc_out}"
COMMAND ${CMAKE_CXX_COMPILER} "${target_compiler_FLAGS}" -x c++-header -o "${gcc_out}" -c "${_header}"
DEPENDS "${_header}"
COMMENT "Precompiling ${_header} for ${_target} (C++)"
)
elseif(CMAKE_C_COMPILER_ID MATCHES "Clang|GNU|AppleClang")
message(STATUS "C")
add_custom_command(
OUTPUT "${gcc_out}"
COMMAND ${CMAKE_C_COMPILER} "${target_compiler_FLAGS}" -x c-header -o "${gcc_out}" -c "${_header}"
DEPENDS "${_header}"
COMMENT "Precompiling ${_header} for ${_target} (C)"
)
endif()
endfunction()