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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 3.1)
set(KNOWN_PROCESSORS x86 x86_64 AMD64 ARM ARM64 i386)
if(NOT CMAKE_SYSTEM_PROCESSOR IN_LIST KNOWN_PROCESSORS)
message(FATAL_ERROR "Unknown processor: ${CMAKE_SYSTEM_PROCESSOR}")
endif()
if(CMAKE_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 "Windows" AND CMAKE_SIZEOF_VOID_P EQUAL 4)
set(TARGET X86_WIN32)
elseif(CMAKE_SYSTEM_NAME MATCHES "Windows" AND CMAKE_SIZEOF_VOID_P EQUAL 8)
set(TARGET X86_WIN64)
elseif(CMAKE_SYSTEM_NAME MATCHES "Darwin")
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()
set(HAVE_LONG_DOUBLE 0)
set(HAVE_LONG_DOUBLE_VARIANT 0)
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})
file(COPY src/x86/ffitarget.h DESTINATION ${CMAKE_BINARY_DIR}/include)
include_directories(${CMAKE_BINARY_DIR}/include)
include_directories(${CMAKE_BINARY_DIR})
include_directories(include)
add_definitions(-DHAVE_CONFIG_H)
add_definitions(-DFFI_BUILDING)
set(FFI_SOURCES
src/x86/ffi.c
src/closures.c
src/java_raw_api.c
src/prep_cif.c
src/raw_api.c
src/types.c)
macro(add_assembly ASMFILE)
get_filename_component(ASMFILE_FULL "${ASMFILE}" ABSOLUTE)
if(MSVC)
if(CMAKE_SIZEOF_VOID_P EQUAL 4)
set(ARCH_ASSEMBLER ml /safeseh)
else()
set(ARCH_ASSEMBLER ml64)
endif()
get_filename_component(ARCH_ASM_NAME "${ASMFILE_FULL}" NAME_WE)
execute_process(
COMMAND ${CMAKE_C_COMPILER} /nologo /EP /I. /Iinclude ${ASMFILE_FULL}
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
OUTPUT_FILE ${ARCH_ASM_NAME}.asm
)
# 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} /c /Zi ${ARCH_ASM_NAME}.asm
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
)
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")
add_assembly(src/x86/sysv.S)
add_assembly(src/x86/win32.S)
elseif(${TARGET} STREQUAL "X86_64")
list(APPEND FFI_SOURCES src/x86/ffi64.c)
add_assembly(src/x86/unix64.S)
add_assembly(src/x86/sysv.S)
elseif(${TARGET} STREQUAL "X86_WIN32")
add_assembly(src/x86/win32.S)
elseif(${TARGET} STREQUAL "X86_WIN64")
add_assembly(src/x86/win64.S)
elseif(${TARGET} STREQUAL "X86_DARWIN")
list(APPEND FFI_SOURCES src/x86/ffi64.c)
add_assembly(src/x86/darwin.S)
add_assembly(src/x86/darwin64.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})
# Disable check for same 32/64bit-ness in libffiConfigVersion.cmake by setting CMAKE_SIZEOF_VOID_P
set (CMAKE_SIZEOF_VOID_P "")
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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