Files
filament/third_party/clang/iOS.cmake
2025-01-08 13:11:39 -08:00

111 lines
3.1 KiB
CMake

# Toolchain config for iOS.
#
# Usage:
# mkdir build; cd build
# cmake ..; make
# mkdir ios; cd ios
# cmake -DLLVM_IOS_TOOLCHAIN_DIR=/path/to/ios/ndk \
# -DCMAKE_TOOLCHAIN_FILE=../../cmake/platforms/iOS.cmake ../..
# make <target>
set(CMAKE_OSX_ARCHITECTURES ${IOS_ARCH} CACHE STRING "Build architecture for iOS")
# Necessary for correct install location
set(DIST_ARCH ${IOS_ARCH})
add_definitions(-DFILAMENT_IOS)
set(IOS_MIN_TARGET "11.0")
if(PLATFORM_NAME STREQUAL "iphonesimulator")
add_definitions(-DFILAMENT_IOS_SIMULATOR)
# The simulator only supports iOS >= 13.0
set(IOS_MIN_TARGET "13.0")
endif()
SET(CMAKE_SYSTEM_NAME Darwin)
SET(CMAKE_SYSTEM_VERSION 13)
SET(CMAKE_CXX_COMPILER_WORKS True)
SET(CMAKE_C_COMPILER_WORKS True)
SET(DARWIN_TARGET_OS_NAME ios)
SET(PLATFORM_NAME "iphoneos" CACHE STRING "iOS platform to build for")
SET(PLATFORM_FLAG_NAME ios)
IF("$ENV{RC_APPLETV}" STREQUAL "YES")
MESSAGE(STATUS "Building for tvos")
STRING(TOLOWER $ENV{RC_APPLETV_PLATFORM_NAME} PLATFORM_NAME)
SET(PLATFORM_FLAG_NAME tvos)
ENDIF()
IF("$ENV{RC_WATCH}" STREQUAL "YES")
MESSAGE(STATUS "Building for watchos")
STRING(TOLOWER $ENV{RC_WATCH_PLATFORM_NAME} PLATFORM_NAME)
STRING(TOLOWER $ENV{RC_WATCH_PLATFORM_NAME} PLATFORM_FLAG_NAME)
ENDIF()
IF(NOT DEFINED ENV{SDKROOT})
execute_process(COMMAND xcodebuild -version -sdk ${PLATFORM_NAME} Path
OUTPUT_VARIABLE SDKROOT
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
ELSE()
execute_process(COMMAND xcodebuild -version -sdk $ENV{SDKROOT} Path
OUTPUT_VARIABLE SDKROOT
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
ENDIF()
IF(NOT EXISTS ${SDKROOT})
MESSAGE(FATAL_ERROR "SDKROOT could not be detected!")
ENDIF()
set(CMAKE_OSX_SYSROOT ${SDKROOT})
IF(NOT CMAKE_C_COMPILER)
execute_process(COMMAND xcrun -sdk ${SDKROOT} -find clang
OUTPUT_VARIABLE CMAKE_C_COMPILER
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
message(STATUS "Using c compiler ${CMAKE_C_COMPILER}")
ENDIF()
IF(NOT CMAKE_CXX_COMPILER)
execute_process(COMMAND xcrun -sdk ${SDKROOT} -find clang++
OUTPUT_VARIABLE CMAKE_CXX_COMPILER
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
message(STATUS "Using c compiler ${CMAKE_CXX_COMPILER}")
ENDIF()
IF(NOT CMAKE_AR)
execute_process(COMMAND xcrun -sdk ${SDKROOT} -find ar
OUTPUT_VARIABLE CMAKE_AR_val
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
SET(CMAKE_AR ${CMAKE_AR_val} CACHE FILEPATH "Archiver")
message(STATUS "Using ar ${CMAKE_AR}")
ENDIF()
IF(NOT CMAKE_RANLIB)
execute_process(COMMAND xcrun -sdk ${SDKROOT} -find ranlib
OUTPUT_VARIABLE CMAKE_RANLIB_val
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
SET(CMAKE_RANLIB ${CMAKE_RANLIB_val} CACHE FILEPATH "Ranlib")
message(STATUS "Using ranlib ${CMAKE_RANLIB}")
ENDIF()
IF (NOT DEFINED IOS_MIN_TARGET)
execute_process(COMMAND xcodebuild -sdk ${SDKROOT} -version SDKVersion
OUTPUT_VARIABLE IOS_MIN_TARGET
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
ENDIF()
SET(IOS_COMMON_FLAGS "-m${PLATFORM_FLAG_NAME}-version-min=${IOS_MIN_TARGET}")
SET(CMAKE_C_FLAGS_INIT "${IOS_COMMON_FLAGS}")
SET(CMAKE_CXX_FLAGS_INIT "${IOS_COMMON_FLAGS}")
SET(CMAKE_ASM_FLAGS_INIT "${IOS_COMMON_FLAGS}")