pytorch/cmake/Metal.cmake
Tao Xu 3846e35a55 [GPU] Enable Metal on macosx (#47635)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/47635

Add macosx support for metal. The supported os version is 10.13 and above.
ghstack-source-id: 116845318

Test Plan:
1. Sandcastle Tests
2. CircleCI Jobs
3. In the next diff, we'll run the person segmentation model inside a macos app

Reviewed By: dreiss

Differential Revision: D24825088

fbshipit-source-id: 10d7976c953e765599002dc42d7f8d248d7c9846
2020-11-17 14:44:34 -08:00

46 lines
1.8 KiB
CMake

if(NOT APPLE)
return()
endif()
if(NOT USE_PYTORCH_METAL)
return()
endif()
if(IOS OR INTERN_BUILD_MOBILE)
return()
endif()
set(OSX_PLATFORM "MacOSX.platform")
exec_program(/usr/bin/xcode-select ARGS -print-path OUTPUT_VARIABLE CMAKE_XCODE_DEVELOPER_DIR)
set(XCODE_POST_43_ROOT "${CMAKE_XCODE_DEVELOPER_DIR}/Platforms/${OSX_PLATFORM}/Developer")
set(XCODE_PRE_43_ROOT "/Developer/Platforms/${OSX_PLATFORM}/Developer")
if(NOT DEFINED CMAKE_OSX_DEVELOPER_ROOT)
if(EXISTS ${XCODE_POST_43_ROOT})
set(CMAKE_OSX_DEVELOPER_ROOT ${XCODE_POST_43_ROOT})
elseif(EXISTS ${XCODE_PRE_43_ROOT})
set(CMAKE_OSX_DEVELOPER_ROOT ${XCODE_PRE_43_ROOT})
endif(EXISTS ${XCODE_POST_43_ROOT})
endif(NOT DEFINED CMAKE_OSX_DEVELOPER_ROOT)
set(CMAKE_OSX_DEVELOPER_ROOT ${CMAKE_OSX_DEVELOPER_ROOT} CACHE PATH "Location of OSX SDKs root directory")
if(NOT DEFINED CMAKE_OSX_SDK_ROOT)
file(GLOB _CMAKE_OSX_SDKS "${CMAKE_OSX_DEVELOPER_ROOT}/SDKs/*")
if(_CMAKE_OSX_SDKS)
list(SORT _CMAKE_OSX_SDKS)
list(REVERSE _CMAKE_OSX_SDKS)
list(GET _CMAKE_OSX_SDKS 0 CMAKE_OSX_SDK_ROOT)
message(STATUS "_CMAKE_OSX_SDKS: ${_CMAKE_OSX_SDKS}")
else(_CMAKE_OSX_SDKS)
message(FATAL_ERROR "No OSX SDK's found in default search path ${CMAKE_OSX_DEVELOPER_ROOT}.")
endif(_CMAKE_OSX_SDKS)
message(STATUS "Toolchain using default OSX SDK: ${CMAKE_OSX_SDK_ROOT}")
endif(NOT DEFINED CMAKE_OSX_SDK_ROOT)
set(CMAKE_OSX_SDK_ROOT ${CMAKE_OSX_SDK_ROOT} CACHE PATH "Location of the selected OSX SDK")
set(CMAKE_FRAMEWORK_PATH
${CMAKE_OSX_SDK_ROOT}/System/Library/Frameworks
${CMAKE_OSX_SDK_ROOT}/System/Library/PrivateFrameworks
${CMAKE_OSX_SDK_ROOT}/Developer/Library/Frameworks
)
message(STATUS "CMAKE_FRAMEWORK_PATH: ${CMAKE_FRAMEWORK_PATH}")
set(CMAKE_FIND_FRAMEWORK FIRST)