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ffi.cmake
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cmake_minimum_required(VERSION 3.10)
project(lua-ffi C)
set(CMAKE_MACOSX_RPATH 1)
if(NOT DEFINED BUILD_SHARED_LUA_FFI)
option(BUILD_SHARED_LUA_FFI "Shared or Static lua-ffi" ON)
endif()
if(DEFINED ENV{LIBFFI_DIR})
set(LIBFFI_DIR $ENV{LIBFFI_DIR})
endif()
set(CMAKE_THREAD_PREFER_PTHREAD TRUE)
set(THREADS_PREFER_PTHREAD_FLAG TRUE)
if(LIBFFI_DIR)
enable_language(ASM)
set(BUILD_SHARED_LUA_FFI OFF)
file(GLOB FFI_C_SOURCES "${LIBFFI_DIR}/src/*.c")
list(REMOVE_ITEM FFI_C_SOURCES "${LIBFFI_DIR}/src/dlmalloc.c")
list(REMOVE_ITEM FFI_C_SOURCES "${LIBFFI_DIR}/src/java_raw_api.c")
# config variables for ffi.h.in
set(VERSION 3.4.4)
set(KNOWN_PROCESSORS x86 x86_64 amd64 arm arm64 i386 i686 armv7l armv7-a mips mips64 mips64el aarch64 loongarch64)
string(TOLOWER "${CMAKE_SYSTEM_PROCESSOR}" lower_system_processor)
if(NOT lower_system_processor IN_LIST KNOWN_PROCESSORS)
message(FATAL_ERROR "Unknown processor: ${CMAKE_SYSTEM_PROCESSOR}")
endif()
set(FFI_ARCH OFF)
set(INC_ARCH OFF)
if(CMAKE_SYSTEM_NAME MATCHES "Windows")
if(lower_system_processor STREQUAL "arm")
set(TARGET ARM_WIN32)
set(FFI_ARCH arm)
elseif(lower_system_processor STREQUAL "arm64")
set(TARGET ARM_WIN64)
set(FFI_ARCH aarch64)
elseif(lower_system_processor STREQUAL "x86")
set(TARGET X86_WIN32)
set(FFI_ARCH x86)
elseif(lower_system_processor STREQUAL "x86_64")
set(TARGET X86_WIN64)
set(FFI_ARCH x86)
else()
message(FATAL_ERROR "Not support ${CMAKE_SYSTEM_NAME}-${CMAKE_SYSTEM_PROCESSOR}")
endif()
elseif(CMAKE_SYSTEM_NAME MATCHES "Linux")
if(lower_system_processor MATCHES "arm64:aarch64")
set(TARGET ARM64)
set(FFI_ARCH aarch64)
elseif(lower_system_processor STREQUAL "x86_64")
set(TARGET X86_64)
set(FFI_ARCH x86)
elseif(lower_system_processor MATCHES "mips64")
set(TARGET mips64)
set(FFI_ARCH mips64)
set(INC_ARCH mips)
elseif(lower_system_processor STREQUAL "loongarch64")
set(TARGET LOONGARCH64)
set(FFI_ARCH loongarch64)
else()
message(FATAL_ERROR "Not support ${CMAKE_SYSTEM_NAME}-${CMAKE_SYSTEM_PROCESSOR}")
endif()
elseif(CMAKE_SYSTEM_NAME MATCHES "Darwin")
if(lower_system_processor MATCHES "arm64|aarch64")
set(TARGET ARM64)
set(FFI_ARCH aarch64)
elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64")
set(TARGET X86_64)
set(FFI_ARCH x86)
elseif(CMAKE_SIZEOF_VOID_P EQUAL 4)
set(TARGET X86_DARWIN)
set(FFI_ARCH x86)
else()
message(FATAL_ERROR "Not support ${CMAKE_SYSTEM_NAME}-${CMAKE_SYSTEM_PROCESSOR}")
endif()
elseif(CMAKE_SYSTEM_NAME MATCHES "OHOS")
if(lower_system_processor MATCHES "arm64|aarch64")
set(TARGET ARM64)
set(FFI_ARCH aarch64)
elseif(lower_system_processor STREQUAL "x86_64")
set(TARGET X86_64)
set(FFI_ARCH x86)
elseif(lower_system_processor STREQUAL "x86")
set(TARGET X86)
set(FFI_ARCH x86)
elseif(lower_system_processor MATCHES "mips64")
set(TARGET mips64)
set(FFI_ARCH mips64)
set(INC_ARCH mips)
elseif(lower_system_processor STREQUAL "loongarch64")
set(TARGET LOONGARCH64)
set(FFI_ARCH loongarch64)
else()
message(FATAL_ERROR "Not support ${CMAKE_SYSTEM_NAME}-${CMAKE_SYSTEM_PROCESSOR}")
endif()
else()
message(FATAL_ERROR "Not support ${CMAKE_SYSTEM_NAME}-${CMAKE_SYSTEM_PROCESSOR}, Please consult ${CMAKE_CURRENT_SOURCE_DIR}/configure.ac and add your platform to this CMake file.")
endif()
if(NOT INC_ARCH)
set(INC_ARCH ${FFI_ARCH})
endif()
file(GLOB FFI_ARCH_C_SOURCES "${LIBFFI_DIR}/src/${FFI_ARCH}/*.c")
file(GLOB FFI_ARCH_S_SOURCES "${LIBFFI_DIR}/src/${FFI_ARCH}/*.S")
if(CMAKE_SYSTEM_NAME MATCHES "Windows")
list(REMOVE_ITEM FFI_ARCH_S_SOURCES "${LIBFFI_DIR}/src/${FFI_ARCH}/sysv_intel.S")
if(NOT lower_system_processor STREQUAL "x86_64")
list(REMOVE_ITEM FFI_ARCH_S_SOURCES "${LIBFFI_DIR}/src/${FFI_ARCH}/win64_intel.S")
endif()
else()
list(REMOVE_ITEM FFI_ARCH_S_SOURCES "${LIBFFI_DIR}/src/${FFI_ARCH}/sysv_intel.S")
list(REMOVE_ITEM FFI_ARCH_S_SOURCES "${LIBFFI_DIR}/src/${FFI_ARCH}/win64_intel.S")
list(REMOVE_ITEM FFI_ARCH_S_SOURCES "${LIBFFI_DIR}/src/${FFI_ARCH}/win64_armasm.S")
endif()
if("${TARGET}" MATCHES "X86_64|LOONGARCH64|ARM64|mips64")
set(HAVE_LONG_DOUBLE 1)
else()
set(HAVE_LONG_DOUBLE 0)
endif()
set(FFI_EXEC_TRAMPOLINE_TABLE 0)
# mimic layout of original buildsystem
configure_file(${LIBFFI_DIR}/include/ffi.h.in ${CMAKE_BINARY_DIR}/include/ffi.h)
set(FFI_INCLUDE_DIRS
${CMAKE_BINARY_DIR}/include
${CMAKE_CURRENT_LIST_DIR}/ffi
${LIBFFI_DIR}/src/${INC_ARCH}
${LIBFFI_DIR}/include)
set(FFI_SOURCES ${FFI_C_SOURCES} ${FFI_ARCH_C_SOURCES} ${FFI_ARCH_S_SOURCES})
set(FFI_INCLUDE_DIR ${LIBFFI_DIR}/include ${CMAKE_CURRENT_BINARY_DIR})
else()
include(GNUInstallDirs)
find_package(PkgConfig REQUIRED)
pkg_check_modules (FFI REQUIRED libffi)
find_package(Threads REQUIRED)
endif()
if(BUILD_SHARED_LUA_FFI)
set(LUA_FFI_LIBTYPE MODULE)
if(WIN32)
add_definitions(-DLUA_BUILD_AS_DLL)
endif()
else()
set(LUA_FFI_LIBTYPE STATIC)
endif()
add_library(luaffi ${LUA_FFI_LIBTYPE} ${FFI_SOURCES}
${CMAKE_CURRENT_LIST_DIR}/../thirdparty/ffi/ffi.c
)
if(LIBFFI_DIR)
set_target_properties(luaffi PROPERTIES
DEFINITIONS FFI_BUILDING
COMPILE_FLAGS "-std=c11"
INCLUDE_DIRECTORIES "${FFI_INCLUDE_DIRS}"
)
endif()
target_include_directories(luaffi PUBLIC
${FFI_INCLUDE_DIR}
${LUA_INCLUDE_DIR}
${LUA_DIR}
${CMAKE_CURRENT_LIST_DIR}/../thirdparty/compat-5.3
)
if(BUILD_SHARED_LUA_FFI)
target_link_libraries(luaffi PUBLIC
${FFI_LIBRARIES}
Threads::Threads
)
if(WIN32)
target_link_libraries(luaffi PUBLIC ${LUA_LIBRARIES})
endif()
if(APPLE)
target_link_options(luaffi PUBLIC -bundle -undefined dynamic_lookup)
endif()
set_target_properties(luaffi PROPERTIES
PREFIX ""
OUTPUT_NAME "ffi"
)
install(TARGETS luaffi
LIBRARY DESTINATION
${CMAKE_INSTALL_LIBDIR}/lua/${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}
)
else()
get_directory_property(hasParent PARENT_DIRECTORY)
if(hasParent)
set(LUA_FFI_LIBS luaffi ${FFI_LIBRARIES} PARENT_SCOPE)
else()
set(LUA_FFI_LIBS luaffi ${FFI_LIBRARIES})
endif()
endif()