serenity/Meta/CMake/code_generators.cmake
Itamar b6f358689c CMake: Modify include path when building from Hack Studio
With regular builds, the generated IPC headers exist inside the Build
directory. The path Userland/Services under the build directory is
added to the include path.

For in-system builds the IPC headers are installed at /usr/include/.
To support this, we add /usr/include/Userland/Services to the build path
when building from Hack Studio.

Co-Authored-By: Andrew Kaster <akaster@serenityos.org>
2022-03-19 22:02:44 +01:00

65 lines
2.9 KiB
CMake

#
# Functions for generating sources using host tools
#
function(compile_gml source output string_name)
set(source ${CMAKE_CURRENT_SOURCE_DIR}/${source})
add_custom_command(
OUTPUT ${output}
COMMAND ${SerenityOS_SOURCE_DIR}/Meta/text-to-cpp-string.sh ${string_name} ${source} > ${output}.tmp
COMMAND "${CMAKE_COMMAND}" -E copy_if_different ${output}.tmp ${output}
COMMAND "${CMAKE_COMMAND}" -E remove ${output}.tmp
VERBATIM
DEPENDS ${SerenityOS_SOURCE_DIR}/Meta/text-to-cpp-string.sh
MAIN_DEPENDENCY ${source}
)
get_filename_component(output_name ${output} NAME)
add_custom_target(generate_${output_name} DEPENDS ${output})
add_dependencies(all_generated generate_${output_name})
endfunction()
function(compile_ipc source output)
set(source ${CMAKE_CURRENT_SOURCE_DIR}/${source})
add_custom_command(
OUTPUT ${output}
COMMAND $<TARGET_FILE:Lagom::IPCCompiler> ${source} > ${output}.tmp
COMMAND "${CMAKE_COMMAND}" -E copy_if_different ${output}.tmp ${output}
COMMAND "${CMAKE_COMMAND}" -E remove ${output}.tmp
VERBATIM
DEPENDS Lagom::IPCCompiler
MAIN_DEPENDENCY ${source}
)
get_filename_component(output_name ${output} NAME)
add_custom_target(generate_${output_name} DEPENDS ${output})
add_dependencies(all_generated generate_${output_name})
# TODO: Use cmake_path() when we upgrade the minimum CMake version to 3.20
# https://cmake.org/cmake/help/v3.23/command/cmake_path.html#relative-path
string(LENGTH ${SerenityOS_SOURCE_DIR} root_source_dir_length)
string(SUBSTRING ${CMAKE_CURRENT_SOURCE_DIR} ${root_source_dir_length} -1 current_source_dir_relative)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${output} DESTINATION usr/include${current_source_dir_relative} OPTIONAL)
endfunction()
function(generate_state_machine source header)
get_filename_component(header_name ${header} NAME)
set(target_name "generate_${header_name}")
# Note: This function is called twice with the same header, once in the kernel
# and once in Userland/LibVT, this check makes sure that only one target
# is generated for that header.
if(NOT TARGET ${target_name})
set(source ${CMAKE_CURRENT_SOURCE_DIR}/${source})
set(output ${CMAKE_CURRENT_BINARY_DIR}/${header})
add_custom_command(
OUTPUT ${output}
COMMAND $<TARGET_FILE:Lagom::StateMachineGenerator> ${source} > ${output}.tmp
COMMAND "${CMAKE_COMMAND}" -E copy_if_different ${output}.tmp ${output}
COMMAND "${CMAKE_COMMAND}" -E remove ${output}.tmp
VERBATIM
DEPENDS Lagom::StateMachineGenerator
MAIN_DEPENDENCY ${source}
)
add_custom_target(${target_name} DEPENDS ${output})
add_dependencies(all_generated ${target_name})
endif()
endfunction()