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cmake_minimum_required(VERSION 3.9)
project(libffi C ASM)
set(CMAKE_SHARED_LIBRARY_PREFIX)
set(CMAKE_STATIC_LIBRARY_PREFIX)
if(NOT CMAKE_SYSTEM_PROCESSOR)
set(CMAKE_SYSTEM_PROCESSOR "${CMAKE_HOST_SYSTEM_PROCESSOR}")
endif()
# config variables for ffi.h.in
set(VERSION 3.4.2)
set(KNOWN_PROCESSORS x86 x86_64 amd64 arm arm64 i386 i686 armv7l armv7-a aarch64)
string(TOLOWER "${CMAKE_SYSTEM_PROCESSOR}" lower_system_processor)
if(NOT lower_system_processor IN_LIST KNOWN_PROCESSORS)
message(FATAL_ERROR "Unknown processor: ${CMAKE_SYSTEM_PROCESSOR}")
endif()
if(CMAKE_SYSTEM_NAME MATCHES "Windows" AND VCPKG_TARGET_ARCHITECTURE STREQUAL "arm")
set(TARGET ARM_WIN32)
elseif(CMAKE_SYSTEM_NAME MATCHES "Windows" AND VCPKG_TARGET_ARCHITECTURE STREQUAL "arm64")
set(TARGET ARM_WIN64)
elseif(CMAKE_SYSTEM_NAME MATCHES "Windows" AND VCPKG_TARGET_ARCHITECTURE STREQUAL "x86")
set(TARGET X86_WIN32)
elseif(CMAKE_SYSTEM_NAME MATCHES "Windows" AND VCPKG_TARGET_ARCHITECTURE STREQUAL "x64")
set(TARGET X86_WIN64)
elseif(lower_system_processor MATCHES "arm64|aarch64")
set(TARGET ARM64)
elseif(lower_system_processor MATCHES "arm")
set(TARGET ARM)
elseif(CMAKE_SYSTEM_NAME MATCHES "BSD" AND CMAKE_SIZEOF_VOID_P EQUAL 4)
set(TARGET X86_FREEBSD)
elseif(CMAKE_SYSTEM_NAME MATCHES "Darwin" AND CMAKE_SIZEOF_VOID_P EQUAL 4)
set(TARGET X86_DARWIN)
elseif(CMAKE_SIZEOF_VOID_P EQUAL 8)
set(TARGET X86_64)
elseif(CMAKE_SIZEOF_VOID_P EQUAL 4)
set(TARGET X86)
else()
message(FATAL_ERROR "Cannot determine target. Please consult ${CMAKE_CURRENT_SOURCE_DIR}/configure.ac and add your platform to this CMake file.")
endif()
if("${TARGET}" STREQUAL "X86_64")
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(include/ffi.h.in ${CMAKE_BINARY_DIR}/include/ffi.h)
file(COPY ${FFI_CONFIG_FILE} DESTINATION ${CMAKE_BINARY_DIR})
if ("${TARGET}" STREQUAL "ARM_WIN64" OR "${TARGET}" STREQUAL "ARM64")
file(COPY src/aarch64/ffitarget.h DESTINATION ${CMAKE_BINARY_DIR}/include)
elseif ("${TARGET}" STREQUAL "ARM_WIN32" OR "${TARGET}" STREQUAL "ARM")
file(COPY src/arm/ffitarget.h DESTINATION ${CMAKE_BINARY_DIR}/include)
else()
file(COPY src/x86/ffitarget.h DESTINATION ${CMAKE_BINARY_DIR}/include)
endif()
include_directories(${CMAKE_BINARY_DIR}/include)
include_directories(${CMAKE_BINARY_DIR})
include_directories(include)
add_definitions(-DFFI_BUILDING)
if(BUILD_SHARED_LIBS AND WIN32)
add_definitions(-DFFI_BUILDING_DLL)
endif()
set(FFI_SOURCES
src/closures.c
src/prep_cif.c
src/types.c
src/tramp.c)
if ("${TARGET}" STREQUAL "ARM_WIN64" OR "${TARGET}" STREQUAL "ARM64")
set(FFI_SOURCES
${FFI_SOURCES}
src/aarch64/ffi.c)
elseif("${TARGET}" STREQUAL "ARM_WIN32" OR "${TARGET}" STREQUAL "ARM")
set(FFI_SOURCES
${FFI_SOURCES}
src/arm/ffi.c)
else()
set(FFI_SOURCES
${FFI_SOURCES}
src/java_raw_api.c
src/raw_api.c)
if("${TARGET}" STREQUAL "X86_WIN32" OR "${TARGET}" STREQUAL "X86_DARWIN" OR "${TARGET}" STREQUAL "X86")
set(FFI_SOURCES
${FFI_SOURCES}
src/x86/ffi.c)
elseif("${TARGET}" STREQUAL "X86_WIN64")
set(FFI_SOURCES
${FFI_SOURCES}
src/x86/ffiw64.c)
elseif("${TARGET}" STREQUAL "X86_64")
set(FFI_SOURCES
${FFI_SOURCES}
src/x86/ffi64.c
src/x86/ffiw64.c)
endif()
endif()
macro(add_assembly ASMFILE)
get_filename_component(ASMFILE_FULL "${ASMFILE}" ABSOLUTE)
if(MSVC)
if ("${TARGET}" STREQUAL "ARM_WIN64")
set(ARCH_ASSEMBLER armasm64)
elseif ("${TARGET}" STREQUAL "ARM_WIN32")
set(ARCH_ASSEMBLER armasm)
elseif(CMAKE_SIZEOF_VOID_P EQUAL 4)
set(ARCH_ASSEMBLER ml /safeseh /c /Zi)
else()
set(ARCH_ASSEMBLER ml64 /c /Zi)
endif()
get_filename_component(ARCH_ASM_NAME "${ASMFILE_FULL}" NAME_WE)
execute_process(
COMMAND ${CMAKE_C_COMPILER} /nologo /EP /I. /Iinclude /I${CMAKE_CURRENT_SOURCE_DIR}/include "${ASMFILE_FULL}"
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
OUTPUT_FILE ${ARCH_ASM_NAME}.asm
RESULT_VARIABLE retcode
)
if(NOT ${retcode} STREQUAL "0")
message(FATAL_ERROR "Unable to assemble, exit code: '${retcode}'.")
endif()
# Produced *.asm file could be just added to sources.
# It works in x64 mode, but for some strange reason MASM returns error code when in x86,
# (even though it didn't report any errors and correctly generated object file)
# which in turn causes MSBUILD to stop.
execute_process(
COMMAND ${ARCH_ASSEMBLER} ${ARCH_ASM_NAME}.asm
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
RESULT_VARIABLE retcode
)
if(NOT ${retcode} STREQUAL "0")
message(FATAL_ERROR "Unable to compile assembly, exit code: '${retcode}'.")
endif()
list(APPEND FFI_SOURCES ${CMAKE_BINARY_DIR}/${ARCH_ASM_NAME}.obj)
else()
list(APPEND FFI_SOURCES ${ASMFILE})
endif()
endmacro()
if("${TARGET}" STREQUAL "X86")
set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -m32")
endif()
if("${TARGET}" STREQUAL "X86" OR "${TARGET}" STREQUAL "X86_DARWIN")
add_assembly(src/x86/sysv.S)
elseif("${TARGET}" STREQUAL "X86_64")
add_assembly(src/x86/unix64.S)
add_assembly(src/x86/win64.S)
elseif("${TARGET}" STREQUAL "X86_WIN32")
if(MSVC)
add_assembly(src/x86/sysv_intel.S)
else()
add_assembly(src/x86/sysv.S)
endif()
elseif("${TARGET}" STREQUAL "X86_WIN64")
if(MSVC)
add_assembly(src/x86/win64_intel.S)
else()
add_assembly(src/x86/win64.S)
endif()
elseif("${TARGET}" STREQUAL "ARM_WIN32")
if(MSVC)
add_assembly(src/arm/sysv_msvc_arm32.S)
else()
add_assembly(src/arm/sysv.S)
endif()
elseif("${TARGET}" STREQUAL "ARM")
add_assembly(src/arm/sysv.S)
elseif("${TARGET}" STREQUAL "ARM_WIN64")
if(MSVC)
add_assembly(src/aarch64/win64_armasm.S)
else()
add_assembly(src/aarch64/sysv.S)
endif()
elseif("${TARGET}" STREQUAL "ARM64")
add_assembly(src/aarch64/sysv.S)
else()
message(FATAL_ERROR "Target not implemented")
endif()
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
list(APPEND FFI_SOURCES src/debug.c)
add_definitions(-DFFI_DEBUG)
endif()
add_library(libffi ${FFI_SOURCES})
install(TARGETS libffi
EXPORT ${PROJECT_NAME}Targets
RUNTIME DESTINATION bin
ARCHIVE DESTINATION lib
LIBRARY DESTINATION lib)
include(CMakePackageConfigHelpers)
configure_package_config_file(${PROJECT_NAME}Config.cmake.in
"${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
INSTALL_DESTINATION share/${PROJECT_NAME})
write_basic_package_version_file(
${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
VERSION ${VERSION}
COMPATIBILITY AnyNewerVersion)
install(FILES "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
"${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake"
DESTINATION share/${PROJECT_NAME})
install(EXPORT ${PROJECT_NAME}Targets
DESTINATION share/${PROJECT_NAME})
if(NOT FFI_SKIP_HEADERS)
install(FILES
${CMAKE_BINARY_DIR}/include/ffi.h
${CMAKE_BINARY_DIR}/include/ffitarget.h
DESTINATION include)
endif()
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