Eric Kilmer 1ed3a8935a
[vcpkg] Fix cross compiling macOS (#26240)
This follows the pattern in the Windows toolchain with respect to
setting VCPKG_CMAKE_SYSTEM_VERSION and also how arm64 macOS can execute
x86_64 through Rosetta.
2022-08-10 11:22:01 -07:00

54 lines
2.3 KiB
CMake

if(NOT _VCPKG_OSX_TOOLCHAIN)
set(_VCPKG_OSX_TOOLCHAIN 1)
set(CMAKE_SYSTEM_NAME Darwin CACHE STRING "")
set(CMAKE_MACOSX_RPATH ON CACHE BOOL "")
if(NOT DEFINED CMAKE_SYSTEM_PROCESSOR)
if(VCPKG_TARGET_ARCHITECTURE STREQUAL "x64")
set(CMAKE_SYSTEM_PROCESSOR x86_64 CACHE STRING "")
elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "x86")
set(CMAKE_SYSTEM_PROCESSOR x86 CACHE STRING "")
elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "arm64")
set(CMAKE_SYSTEM_PROCESSOR arm64 CACHE STRING "")
else()
set(CMAKE_SYSTEM_PROCESSOR "${CMAKE_HOST_SYSTEM_PROCESSOR}" CACHE STRING "")
endif()
endif()
if(DEFINED VCPKG_CMAKE_SYSTEM_VERSION)
set(CMAKE_SYSTEM_VERSION "${VCPKG_CMAKE_SYSTEM_VERSION}" CACHE STRING "" FORCE)
endif()
if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Darwin")
if(CMAKE_SYSTEM_PROCESSOR STREQUAL CMAKE_HOST_SYSTEM_PROCESSOR)
set(CMAKE_CROSSCOMPILING OFF CACHE STRING "")
elseif(CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL "ARM64")
# arm64 macOS can run x64 binaries
set(CMAKE_CROSSCOMPILING OFF CACHE STRING "")
endif()
if(NOT DEFINED CMAKE_SYSTEM_VERSION)
set(CMAKE_SYSTEM_VERSION "${CMAKE_HOST_SYSTEM_VERSION}" CACHE STRING "")
endif()
endif()
get_property( _CMAKE_IN_TRY_COMPILE GLOBAL PROPERTY IN_TRY_COMPILE )
if(NOT _CMAKE_IN_TRY_COMPILE)
string(APPEND CMAKE_C_FLAGS_INIT " -fPIC ${VCPKG_C_FLAGS} ")
string(APPEND CMAKE_CXX_FLAGS_INIT " -fPIC ${VCPKG_CXX_FLAGS} ")
string(APPEND CMAKE_C_FLAGS_DEBUG_INIT " ${VCPKG_C_FLAGS_DEBUG} ")
string(APPEND CMAKE_CXX_FLAGS_DEBUG_INIT " ${VCPKG_CXX_FLAGS_DEBUG} ")
string(APPEND CMAKE_C_FLAGS_RELEASE_INIT " ${VCPKG_C_FLAGS_RELEASE} ")
string(APPEND CMAKE_CXX_FLAGS_RELEASE_INIT " ${VCPKG_CXX_FLAGS_RELEASE} ")
string(APPEND CMAKE_SHARED_LINKER_FLAGS_INIT " ${VCPKG_LINKER_FLAGS} ")
string(APPEND CMAKE_EXE_LINKER_FLAGS_INIT " ${VCPKG_LINKER_FLAGS} ")
string(APPEND CMAKE_SHARED_LINKER_FLAGS_DEBUG_INIT " ${VCPKG_LINKER_FLAGS_DEBUG} ")
string(APPEND CMAKE_EXE_LINKER_FLAGS_DEBUG_INIT " ${VCPKG_LINKER_FLAGS_DEBUG} ")
string(APPEND CMAKE_SHARED_LINKER_FLAGS_RELEASE_INIT " ${VCPKG_LINKER_FLAGS_RELEASE} ")
string(APPEND CMAKE_EXE_LINKER_FLAGS_RELEASE_INIT " ${VCPKG_LINKER_FLAGS_RELEASE} ")
endif()
endif()