app/rust_builder/cargokit/cmake/cargokit.cmake
2024-02-06 20:35:52 +08:00

97 lines
4.0 KiB
CMake

SET(cargokit_cmake_root "${CMAKE_CURRENT_LIST_DIR}/..")
# Workaround for https://github.com/dart-lang/pub/issues/4010
get_filename_component(cargokit_cmake_root "${cargokit_cmake_root}" REALPATH)
if(WIN32)
# REALPATH does not properly resolve symlinks on windows :-/
execute_process(COMMAND powershell -ExecutionPolicy Bypass -File "${CMAKE_CURRENT_LIST_DIR}/resolve_symlinks.ps1" "${cargokit_cmake_root}" OUTPUT_VARIABLE cargokit_cmake_root OUTPUT_STRIP_TRAILING_WHITESPACE)
endif()
# Arguments
# - target: CMAKE target to which rust library is linked
# - manifest_dir: relative path from current folder to directory containing cargo manifest
# - lib_name: cargo package name
# - any_symbol_name: name of any exported symbol from the library.
# used on windows to force linking with library.
function(apply_cargokit target manifest_dir lib_name any_symbol_name)
set(CARGOKIT_LIB_NAME "${lib_name}")
set(CARGOKIT_LIB_FULL_NAME "${CMAKE_SHARED_MODULE_PREFIX}${CARGOKIT_LIB_NAME}${CMAKE_SHARED_MODULE_SUFFIX}")
if (CMAKE_CONFIGURATION_TYPES)
set(CARGOKIT_OUTPUT_DIR "${CMAKE_CURRENT_BINARY_DIR}/$<CONFIG>")
set(OUTPUT_LIB "${CMAKE_CURRENT_BINARY_DIR}/$<CONFIG>/${CARGOKIT_LIB_FULL_NAME}")
else()
set(CARGOKIT_OUTPUT_DIR "${CMAKE_CURRENT_BINARY_DIR}")
set(OUTPUT_LIB "${CMAKE_CURRENT_BINARY_DIR}/${CARGOKIT_LIB_FULL_NAME}")
endif()
set(CARGOKIT_TEMP_DIR "${CMAKE_CURRENT_BINARY_DIR}/cargokit_build")
if (FLUTTER_TARGET_PLATFORM)
set(CARGOKIT_TARGET_PLATFORM "${FLUTTER_TARGET_PLATFORM}")
else()
set(CARGOKIT_TARGET_PLATFORM "windows-x64")
endif()
set(CARGOKIT_ENV
"CARGOKIT_CMAKE=${CMAKE_COMMAND}"
"CARGOKIT_CONFIGURATION=$<CONFIG>"
"CARGOKIT_MANIFEST_DIR=${CMAKE_CURRENT_SOURCE_DIR}/${manifest_dir}"
"CARGOKIT_TARGET_TEMP_DIR=${CARGOKIT_TEMP_DIR}"
"CARGOKIT_OUTPUT_DIR=${CARGOKIT_OUTPUT_DIR}"
"CARGOKIT_TARGET_PLATFORM=${CARGOKIT_TARGET_PLATFORM}"
"CARGOKIT_TOOL_TEMP_DIR=${CARGOKIT_TEMP_DIR}/tool"
"CARGOKIT_ROOT_PROJECT_DIR=${CMAKE_SOURCE_DIR}"
)
if (WIN32)
set(SCRIPT_EXTENSION ".cmd")
set(IMPORT_LIB_EXTENSION ".lib")
else()
set(SCRIPT_EXTENSION ".sh")
set(IMPORT_LIB_EXTENSION "")
endif()
# Using generators in custom command is only supported in CMake 3.20+
if (CMAKE_CONFIGURATION_TYPES AND ${CMAKE_VERSION} VERSION_LESS "3.20.0")
foreach(CONFIG IN LISTS CMAKE_CONFIGURATION_TYPES)
add_custom_command(
OUTPUT
"${CMAKE_CURRENT_BINARY_DIR}/${CONFIG}/${CARGOKIT_LIB_FULL_NAME}"
"${CMAKE_CURRENT_BINARY_DIR}/_phony_"
COMMAND ${CMAKE_COMMAND} -E env ${CARGOKIT_ENV}
"${cargokit_cmake_root}/run_build_tool${SCRIPT_EXTENSION}" build-cmake
VERBATIM
)
endforeach()
else()
add_custom_command(
OUTPUT
${OUTPUT_LIB}
"${CMAKE_CURRENT_BINARY_DIR}/_phony_"
COMMAND ${CMAKE_COMMAND} -E env ${CARGOKIT_ENV}
"${cargokit_cmake_root}/run_build_tool${SCRIPT_EXTENSION}" build-cmake
VERBATIM
)
endif()
set_source_files_properties("${CMAKE_CURRENT_BINARY_DIR}/_phony_" PROPERTIES SYMBOLIC TRUE)
if (TARGET ${target})
# If we have actual cmake target provided create target and make existing
# target depend on it
add_custom_target("${target}_cargokit" DEPENDS ${OUTPUT_LIB})
add_dependencies("${target}" "${target}_cargokit")
target_link_libraries("${target}" PRIVATE "${OUTPUT_LIB}${IMPORT_LIB_EXTENSION}")
if(WIN32)
target_link_options(${target} PRIVATE "/INCLUDE:${any_symbol_name}")
endif()
else()
# Otherwise (FFI) just use ALL to force building always
add_custom_target("${target}_cargokit" ALL DEPENDS ${OUTPUT_LIB})
endif()
# Allow adding the output library to plugin bundled libraries
set("${target}_cargokit_lib" ${OUTPUT_LIB} PARENT_SCOPE)
endfunction()