Differential D3031 Diff 8722 cmake/platforms/OSX.cmake

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cmake/platforms/OSX.cmake

	# Copyright (c) 2017 The Bitcoin developers			# Copyright (c) 2017 The Bitcoin developers

	set(CMAKE_SYSTEM_NAME Darwin)			set(CMAKE_SYSTEM_NAME Darwin)
	set(TOOLCHAIN_PREFIX x86_64-apple-darwin11)			set(TOOLCHAIN_PREFIX x86_64-apple-darwin11)

	# On OSX, we use clang by default.			# On OSX, we use clang by default.
	set(CMAKE_C_COMPILER clang)			set(CMAKE_C_COMPILER clang)
	set(CMAKE_CXX_COMPILER clang++)			set(CMAKE_CXX_COMPILER clang++)
	# set(CMAKE_CXX_EXTENSIONS OFF)

	# On OSX we use various stuff from Apple's SDK.			# On OSX we use various stuff from Apple's SDK.
	set(OSX_SDK_PATH "${CMAKE_CURRENT_SOURCE_DIR}/depends/SDKs/MacOSX10.11.sdk")			set(OSX_SDK_PATH "${CMAKE_CURRENT_SOURCE_DIR}/depends/SDKs/MacOSX10.11.sdk")
				set(CMAKE_OSX_SYSROOT ${OSX_SDK_PATH})
				set(CMAKE_OSX_DEPLOYMENT_TARGET 10.8)

	# target environment on the build host system			# target environment on the build host system
	# set 1st to dir with the cross compiler's C/C++ headers/libs			# set 1st to dir with the cross compiler's C/C++ headers/libs
	set(CMAKE_FIND_ROOT_PATH "${CMAKE_CURRENT_SOURCE_DIR}/depends/${TOOLCHAIN_PREFIX};${OSX_SDK_PATH}")			set(CMAKE_FIND_ROOT_PATH "${CMAKE_CURRENT_SOURCE_DIR}/depends/${TOOLCHAIN_PREFIX};${OSX_SDK_PATH}")

	# We also may have built dependancies for the native plateform.			# We also may have built dependancies for the native plateform.
	set(CMAKE_PREFIX_PATH "${CMAKE_CURRENT_SOURCE_DIR}/depends/${TOOLCHAIN_PREFIX}/native")			set(CMAKE_PREFIX_PATH "${CMAKE_CURRENT_SOURCE_DIR}/depends/${TOOLCHAIN_PREFIX}/native")

	# modify default behavior of FIND_XXX() commands to			# modify default behavior of FIND_XXX() commands to
	# search for headers/libs in the target environment and			# search for headers/libs in the target environment and
	# search for programs in the build host environment			# search for programs in the build host environment
	set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)			set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
	set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)			set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
	set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)			set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)

	# Sysroot clang			# Sysroot clang
	set(OSX_EXTRA_FLAGS			set(OSX_EXTRA_FLAGS
	" -target ${TOOLCHAIN_PREFIX}"			" -target ${TOOLCHAIN_PREFIX}"
	" -mmacosx-version-min=10.8"
	" --sysroot ${OSX_SDK_PATH}"
	" -mlinker-version=253.9"			" -mlinker-version=253.9"
	)			)

	string(APPEND CMAKE_C_FLAGS ${OSX_EXTRA_FLAGS})			string(APPEND CMAKE_C_FLAGS ${OSX_EXTRA_FLAGS})
	string(APPEND CMAKE_CXX_FLAGS ${OSX_EXTRA_FLAGS} " -stdlib=libc++")			string(APPEND CMAKE_CXX_FLAGS ${OSX_EXTRA_FLAGS} " -stdlib=libc++")

	# Ensure we use an OSX specific version of ar, ranlib and nm.			# Ensure we use an OSX specific version of ar, ranlib and nm.
	find_program(CMAKE_AR ${TOOLCHAIN_PREFIX}-ar)			find_program(CMAKE_AR ${TOOLCHAIN_PREFIX}-ar)
	find_program(CMAKE_RANLIB ${TOOLCHAIN_PREFIX}-ranlib)			find_program(CMAKE_RANLIB ${TOOLCHAIN_PREFIX}-ranlib)
	find_program(CMAKE_NM ${TOOLCHAIN_PREFIX}-nm)			find_program(CMAKE_NM ${TOOLCHAIN_PREFIX}-nm)