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|
# load settings in case of "try compile"
set(TOOLCHAIN_CONFIG_FILE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/toolchain.config.cmake")
get_property(__IN_TRY_COMPILE GLOBAL PROPERTY IN_TRY_COMPILE)
if(__IN_TRY_COMPILE)
set(TOOLCHAIN_CONFIG_FILE "${CMAKE_CURRENT_SOURCE_DIR}/../toolchain.config.cmake")
if(NOT EXISTS "${TOOLCHAIN_CONFIG_FILE}")
# Hack for "try_compile" commands with other binary directory
set(TOOLCHAIN_CONFIG_FILE "${CMAKE_PLATFORM_INFO_DIR}/../toolchain.config.cmake")
if(NOT EXISTS "${TOOLCHAIN_CONFIG_FILE}")
message(FATAL_ERROR "Current CMake version (${CMAKE_VERSION}) is not supported")
endif()
endif()
include("${TOOLCHAIN_CONFIG_FILE}")
macro(toolchain_save_config)
# nothing
endmacro()
else()
macro(toolchain_save_config)
set(__config "#message(\"Load TOOLCHAIN config...\")\n")
get_cmake_property(__variableNames VARIABLES)
set(__vars_list ${ARGN})
list(APPEND __vars_list
${TOOLCHAIN_CONFIG_VARS}
CMAKE_SYSTEM_NAME
CMAKE_SYSTEM_VERSION
CMAKE_SYSTEM_PROCESSOR
CMAKE_C_COMPILER
CMAKE_CXX_COMPILER
CMAKE_C_FLAGS
CMAKE_CXX_FLAGS
CMAKE_SHARED_LINKER_FLAGS
CMAKE_MODULE_LINKER_FLAGS
CMAKE_EXE_LINKER_FLAGS
CMAKE_SKIP_RPATH
CMAKE_FIND_ROOT_PATH
)
foreach(__var ${__variableNames})
foreach(_v ${__vars_list})
if("x${__var}" STREQUAL "x${_v}")
if(${__var} MATCHES " ")
set(__config "${__config}set(${__var} \"${${__var}}\")\n")
else()
set(__config "${__config}set(${__var} ${${__var}})\n")
endif()
endif()
endforeach()
endforeach()
if(EXISTS "${TOOLCHAIN_CONFIG_FILE}")
file(READ "${TOOLCHAIN_CONFIG_FILE}" __config_old)
endif()
if("${__config_old}" STREQUAL "${__config}")
# nothing
else()
#message("Update TOOLCHAIN config: ${__config}")
file(WRITE "${TOOLCHAIN_CONFIG_FILE}" "${__config}")
endif()
unset(__config)
unset(__config_old)
unset(__vars_list)
unset(__variableNames)
endmacro()
endif() # IN_TRY_COMPILE
if(NOT DEFINED IOS_ARCH)
message(FATAL_ERROR "iOS toolchain requires ARCH option for proper configuration of compiler flags")
endif()
if(IOS_ARCH MATCHES "^arm64")
set(AARCH64 1)
elseif(IOS_ARCH MATCHES "^armv")
set(ARM 1)
elseif(IOS_ARCH MATCHES "^x86_64")
set(X86_64 1)
elseif(IOS_ARCH MATCHES "^i386")
set(X86 1)
else()
message(FATAL_ERROR "iOS toolchain doesn't recognize ARCH='${IOS_ARCH}' value")
endif()
if(NOT DEFINED CMAKE_OSX_SYSROOT)
if(IPHONEOS)
set(CMAKE_OSX_SYSROOT "iphoneos")
elseif(IPHONESIMULATOR)
set(CMAKE_OSX_SYSROOT "iphonesimulator")
elseif(MAC_CATALYST)
# Use MacOS SDK for Catalyst builds
set(CMAKE_OSX_SYSROOT "macosx")
endif()
endif()
set(CMAKE_MACOSX_BUNDLE YES)
set(CMAKE_XCODE_ATTRIBUTE_CODE_SIGNING_REQUIRED "NO")
if(APPLE_FRAMEWORK AND NOT BUILD_SHARED_LIBS)
set(CMAKE_OSX_ARCHITECTURES "${IOS_ARCH}" CACHE INTERNAL "Build architecture for iOS" FORCE)
endif()
if(NOT DEFINED IPHONEOS_DEPLOYMENT_TARGET AND NOT MAC_CATALYST)
if(NOT DEFINED ENV{IPHONEOS_DEPLOYMENT_TARGET})
message(FATAL_ERROR "IPHONEOS_DEPLOYMENT_TARGET is not specified")
endif()
set(IPHONEOS_DEPLOYMENT_TARGET "$ENV{IPHONEOS_DEPLOYMENT_TARGET}")
endif()
if(NOT __IN_TRY_COMPILE)
set(_xcodebuild_wrapper "${CMAKE_BINARY_DIR}/xcodebuild_wrapper")
if(NOT EXISTS "${_xcodebuild_wrapper}")
set(_xcodebuild_wrapper_tmp "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/xcodebuild_wrapper")
if(NOT DEFINED CMAKE_MAKE_PROGRAM) # empty since CMake 3.10
find_program(XCODEBUILD_PATH "xcodebuild")
if(NOT XCODEBUILD_PATH)
message(FATAL_ERROR "Specify CMAKE_MAKE_PROGRAM variable ('xcodebuild' absolute path)")
endif()
set(CMAKE_MAKE_PROGRAM "${XCODEBUILD_PATH}")
endif()
if(CMAKE_MAKE_PROGRAM STREQUAL _xcodebuild_wrapper)
message(FATAL_ERROR "Can't prepare xcodebuild_wrapper")
endif()
if(APPLE_FRAMEWORK AND BUILD_SHARED_LIBS)
set(XCODEBUILD_EXTRA_ARGS "${XCODEBUILD_EXTRA_ARGS} IPHONEOS_DEPLOYMENT_TARGET=${IPHONEOS_DEPLOYMENT_TARGET} CODE_SIGN_IDENTITY='' CODE_SIGNING_REQUIRED=NO -sdk ${CMAKE_OSX_SYSROOT}")
else()
set(XCODEBUILD_EXTRA_ARGS "${XCODEBUILD_EXTRA_ARGS} IPHONEOS_DEPLOYMENT_TARGET=${IPHONEOS_DEPLOYMENT_TARGET} CODE_SIGN_IDENTITY='' CODE_SIGNING_REQUIRED=NO ARCHS=${IOS_ARCH} -sdk ${CMAKE_OSX_SYSROOT}")
endif()
configure_file("${CMAKE_CURRENT_LIST_DIR}/xcodebuild_wrapper.in" "${_xcodebuild_wrapper_tmp}" @ONLY)
file(COPY "${_xcodebuild_wrapper_tmp}" DESTINATION ${CMAKE_BINARY_DIR} FILE_PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE)
endif()
set(CMAKE_MAKE_PROGRAM "${_xcodebuild_wrapper}" CACHE INTERNAL "" FORCE)
endif()
# Standard settings
set(CMAKE_SYSTEM_NAME iOS)
# Apple Framework settings
if(APPLE_FRAMEWORK AND BUILD_SHARED_LIBS)
set(CMAKE_SYSTEM_VERSION "${IPHONEOS_DEPLOYMENT_TARGET}")
set(CMAKE_C_SIZEOF_DATA_PTR 4)
set(CMAKE_CXX_SIZEOF_DATA_PTR 4)
else()
set(CMAKE_SYSTEM_VERSION "${IPHONEOS_DEPLOYMENT_TARGET}")
set(CMAKE_SYSTEM_PROCESSOR "${IOS_ARCH}")
if(AARCH64 OR X86_64)
set(CMAKE_C_SIZEOF_DATA_PTR 8)
set(CMAKE_CXX_SIZEOF_DATA_PTR 8)
else()
set(CMAKE_C_SIZEOF_DATA_PTR 4)
set(CMAKE_CXX_SIZEOF_DATA_PTR 4)
endif()
endif()
# Include extra modules for the iOS platform files
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/platforms/ios/cmake/Modules")
# Force the compilers to clang for iOS
include(CMakeForceCompiler)
#CMAKE_FORCE_C_COMPILER (clang GNU)
#CMAKE_FORCE_CXX_COMPILER (clang++ GNU)
set(CMAKE_C_HAS_ISYSROOT 1)
set(CMAKE_CXX_HAS_ISYSROOT 1)
set(CMAKE_C_COMPILER_ABI ELF)
set(CMAKE_CXX_COMPILER_ABI ELF)
# Skip the platform compiler checks for cross compiling
set(CMAKE_CXX_COMPILER_WORKS TRUE)
set(CMAKE_C_COMPILER_WORKS TRUE)
if(NOT CMAKE_FIND_ROOT_PATH_MODE_LIBRARY)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
endif()
if(NOT CMAKE_FIND_ROOT_PATH_MODE_INCLUDE)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
endif()
if(NOT CMAKE_FIND_ROOT_PATH_MODE_PACKAGE)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
endif()
if(NOT CMAKE_FIND_ROOT_PATH_MODE_PROGRAM)
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
endif()
toolchain_save_config(IOS_ARCH IPHONEOS_DEPLOYMENT_TARGET)
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