diff options
Diffstat (limited to '3rdparty/plibsys/platforms/ios-clang/ios.cmake')
| -rw-r--r-- | 3rdparty/plibsys/platforms/ios-clang/ios.cmake | 419 |
1 files changed, 419 insertions, 0 deletions
diff --git a/3rdparty/plibsys/platforms/ios-clang/ios.cmake b/3rdparty/plibsys/platforms/ios-clang/ios.cmake new file mode 100644 index 0000000..e0df03b --- /dev/null +++ b/3rdparty/plibsys/platforms/ios-clang/ios.cmake @@ -0,0 +1,419 @@ +# Copyright (c) 2014, Bogdan Cristea and LTE Engineering Software, +# Kitware, Inc., Insight Software Consortium. All rights reserved. +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# 3. Neither the name of the copyright holder nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, +# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN +# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +# POSSIBILITY OF SUCH DAMAGE. +# +# Updated by Alex Stewart (alexs.mac@gmail.com) +# +# ***************************************************************************** +# Now maintained by Alexander Widerberg (widerbergaren [at] gmail.com) +# under the BSD-Clause-3 licence +# ***************************************************************************** +# +# INFORMATION / HELP +# +# The following variables control the behaviour of this toolchain: +# +# IOS_PLATFORM: OS (default), SIMULATOR, SIMULATOR64, TVOS or SIMULATOR_TVOS +# OS = Build for iOS. +# SIMULATOR = Build for x86 iPhone simulator. +# SIMULATOR64 = Build for x64 iPhone simulator. +# TVOS = Build for Apple tvOS. +# SIMULATOR_TVOS = Build for x64 Apple TV Simulator. +# WATCHOS = Build for Apple watchOS. +# SIMULATOR_WATCHOS = Build for x86 watchOS Simulator. +# SIMULATOR64_WATCHOS = Build for x64 watchOS Simulator. +# IOS_DEPLOYMENT_TARGET: Minimum version for deployment target. +# CMAKE_OSX_SYSROOT: Path to the iOS SDK to use. By default this is +# automatically determined from IOS_PLATFORM and xcodebuild, but can also be +# manually specified (although this should not be required). +# CMAKE_IOS_DEVELOPER_ROOT: Path to the Developer directory for the iOS +# platform being compiled for. By default this is automatically determined +# from CMAKE_OSX_SYSROOT, but can also be manually specified (although this +# should not be required). +# ENABLE_BITCODE: (ON / OFF) Enables or disables bitcode support. Default: ON. +# ENABLE_ARC: (ON / OFF) Enables or disables ARC support. Default: ON. +# IOS_ARCH: (armv7 armv7s armv7k arm64 i386 x86_64) If specified, will override the +# default architectures for the given IOS_PLATFORM. Default architectures: +# OS = armv7 armv7s arm64 +# SIMULATOR = i386 +# SIMULATOR64 = x86_64 +# TVOS = arm64 +# SIMULATOR_TVOS = x86_64 +# WATCHOS = armv7k +# SIMULATOR_WATCHOS = i386 +# SIMULATOR64_WATCHOS = x86_64 +# +# Copyright 2018, Alexander Saprykin <saprykin.spb@gmail.com> +# + +# Get the Xcode version being used. +execute_process (COMMAND xcodebuild -version OUTPUT_VARIABLE XCODE_VERSION + ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE +) + +string (REGEX MATCH "Xcode [0-9\\.]+" XCODE_VERSION "${XCODE_VERSION}") +string (REGEX REPLACE "Xcode ([0-9\\.]+)" "\\1" XCODE_VERSION "${XCODE_VERSION}") + +message (STATUS "Building with Xcode version: ${XCODE_VERSION}") + +# Default to building for iOS if not specified otherwise, and we cannot +# determine the platform from the CMAKE_OSX_ARCHITECTURES variable. The use +# of CMAKE_OSX_ARCHITECTURES is such that try_compile() projects can correctly +# determine the value of IOS_PLATFORM from the root project, as +# CMAKE_OSX_ARCHITECTURES is propagated to them by CMake. + +if (NOT DEFINED IOS_PLATFORM) + if (CMAKE_OSX_ARCHITECTURES) + if (CMAKE_OSX_ARCHITECTURES MATCHES ".*arm.*") + set (IOS_PLATFORM "OS") + elseif (CMAKE_OSX_ARCHITECTURES MATCHES "i386") + set (IOS_PLATFORM "SIMULATOR") + elseif (CMAKE_OSX_ARCHITECTURES MATCHES "x86_64") + set (IOS_PLATFORM "SIMULATOR64") + endif() + endif() + + if (NOT IOS_PLATFORM) + set (IOS_PLATFORM "OS") + endif() +endif() + +set (IOS_PLATFORM ${IOS_PLATFORM} CACHE STRING "Type of iOS platform for which to build.") + +# Determine the platform name and architectures for use in xcodebuild commands +# from the specified IOS_PLATFORM name. + +if (IOS_PLATFORM STREQUAL "OS") + set (XCODE_IOS_PLATFORM "iphoneos") + + if (NOT IOS_ARCH) + set (IOS_ARCH "armv7;armv7s;arm64") + endif() +elseif (IOS_PLATFORM STREQUAL "SIMULATOR") + set (XCODE_IOS_PLATFORM "iphonesimulator") + set (ENABLE_BITCODE OFF) + + if (NOT IOS_ARCH) + set (IOS_ARCH "i386") + endif() +elseif (IOS_PLATFORM STREQUAL "SIMULATOR64") + set (XCODE_IOS_PLATFORM "iphonesimulator") + set (ENABLE_BITCODE OFF) + + if (NOT IOS_ARCH) + set (IOS_ARCH "x86_64") + endif() +elseif (IOS_PLATFORM STREQUAL "TVOS") + set (XCODE_IOS_PLATFORM "appletvos") + + if (NOT IOS_ARCH) + set (IOS_ARCH "arm64") + endif() +elseif (IOS_PLATFORM STREQUAL "SIMULATOR_TVOS") + set (XCODE_IOS_PLATFORM "appletvsimulator") + set (ENABLE_BITCODE OFF) + + if (NOT IOS_ARCH) + set (IOS_ARCH "x86_64") + endif() +elseif (IOS_PLATFORM STREQUAL "WATCHOS") + set (XCODE_IOS_PLATFORM "watchos") + + if (NOT IOS_ARCH) + set (IOS_ARCH "armv7k") + endif() +elseif (IOS_PLATFORM STREQUAL "SIMULATOR_WATCHOS") + set (XCODE_IOS_PLATFORM "watchsimulator") + set (ENABLE_BITCODE OFF) + + if (NOT IOS_ARCH) + set (IOS_ARCH "i386") + endif() +elseif (IOS_PLATFORM STREQUAL "SIMULATOR64_WATCHOS") + set (XCODE_IOS_PLATFORM "watchsimulator") + set (ENABLE_BITCODE OFF) + + if (NOT IOS_ARCH) + set (IOS_ARCH "x86_64") + endif() +else() + message (FATAL_ERROR "Invalid IOS_PLATFORM: ${IOS_PLATFORM}") +endif() + +message (STATUS "Configuring iOS build for platform: ${IOS_PLATFORM}, architecture(s): ${IOS_ARCH}") + +# If user did not specify the SDK root to use, then query xcodebuild for it. + +if (NOT CMAKE_OSX_SYSROOT) + execute_process (COMMAND xcodebuild -version -sdk ${XCODE_IOS_PLATFORM} Path + OUTPUT_VARIABLE CMAKE_OSX_SYSROOT + ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE + ) + + message (STATUS "Using SDK: ${CMAKE_OSX_SYSROOT} for platform: ${IOS_PLATFORM}") +endif() + +if (NOT EXISTS ${CMAKE_OSX_SYSROOT}) + message(FATAL_ERROR "Invalid CMAKE_OSX_SYSROOT: ${CMAKE_OSX_SYSROOT} does not exist.") +endif() + +# Specify minimum version of deployment target. + +if (NOT DEFINED IOS_DEPLOYMENT_TARGET) + if (IOS_PLATFORM MATCHES ".*WATCHOS") + set (IOS_DEPLOYMENT_TARGET "2.0" CACHE STRING "Minimum watchOS version to build for." ) + else() + set (IOS_DEPLOYMENT_TARGET "8.0" CACHE STRING "Minimum iOS version to build for." ) + endif() + + message (STATUS "Using the default min-version since IOS_DEPLOYMENT_TARGET not provided.") +endif() + +if (NOT IOS_DEPLOYMENT_TARGET VERSION_LESS 11.0 AND NOT IOS_PLATFORM MATCHES ".*WATCHOS") + # iOS 11 does not support 32-bit (armv7*). + foreach (ARCH ${IOS_ARCH}) + if (ARCH MATCHES "armv7.*") + message (STATUS "iOS architecture removed: ${ARCH} is not supported by " + "the minimum deployment iOS version ${IOS_DEPLOYMENT_TARGET}." + ) + else() + list (APPEND VALID_IOS_ARCH ${ARCH}) + endif() + endforeach() + + set (IOS_ARCH ${VALID_IOS_ARCH}) +endif() + +# Use bitcode or not + +if (NOT DEFINED ENABLE_BITCODE) + # Unless specified, enable bitcode support by default + set (ENABLE_BITCODE ON CACHE BOOL "Wheter or not to enable bitcode") + message (STATUS "Enabling bitcode support by default.") +endif() + +# Use ARC or not + +if (NOT DEFINED ENABLE_ARC) + # Unless specified, enable ARC support by default + set (ENABLE_ARC ON CACHE BOOL "Wheter or not to enable ARC") + message (STATUS "Enabling ARC support by default.") +endif() + +# Get the SDK version information. + +execute_process (COMMAND xcodebuild -sdk ${CMAKE_OSX_SYSROOT} -version SDKVersion + OUTPUT_VARIABLE IOS_SDK_VERSION + ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE +) + +# Find the Developer root for the specific iOS platform being compiled for +# from CMAKE_OSX_SYSROOT. Should be ../../ from SDK specified in +# CMAKE_OSX_SYSROOT. There does not appear to be a direct way to obtain +# this information from xcrun or xcodebuild. + +if (NOT CMAKE_IOS_DEVELOPER_ROOT) + get_filename_component (IOS_PLATFORM_SDK_DIR ${CMAKE_OSX_SYSROOT} PATH) + get_filename_component (CMAKE_IOS_DEVELOPER_ROOT ${IOS_PLATFORM_SDK_DIR} PATH) +endif() + +if (NOT EXISTS ${CMAKE_IOS_DEVELOPER_ROOT}) + message (FATAL_ERROR "Invalid CMAKE_IOS_DEVELOPER_ROOT: ${CMAKE_IOS_DEVELOPER_ROOT} does not exist.") +endif() + +# Find the C & C++ compilers for the specified SDK. + +if (NOT CMAKE_C_COMPILER) + execute_process (COMMAND xcrun -sdk ${CMAKE_OSX_SYSROOT} -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 ${CMAKE_OSX_SYSROOT} -find clang++ + OUTPUT_VARIABLE CMAKE_CXX_COMPILER + ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE) + message (STATUS "Using CXX compiler: ${CMAKE_CXX_COMPILER}") +endif() + +# Find (Apple's) libtool. + +execute_process (COMMAND xcrun -sdk ${CMAKE_OSX_SYSROOT} -find libtool + OUTPUT_VARIABLE IOS_LIBTOOL + ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE) +message (STATUS "Using libtool: ${IOS_LIBTOOL}") + +# Configure libtool to be used instead of ar + ranlib to build static libraries. +# This is required on Xcode 7+, but should also work on previous versions of +# Xcode. + +set (CMAKE_C_CREATE_STATIC_LIBRARY "${IOS_LIBTOOL} -static -o <TARGET> <LINK_FLAGS> <OBJECTS>") +set (CMAKE_CXX_CREATE_STATIC_LIBRARY "${IOS_LIBTOOL} -static -o <TARGET> <LINK_FLAGS> <OBJECTS>") + +# Standard settings. + +set (CMAKE_SYSTEM_NAME Darwin CACHE INTERNAL "") +set (CMAKE_SYSTEM_VERSION ${IOS_SDK_VERSION} CACHE INTERNAL "") +set (UNIX TRUE CACHE BOOL "") +set (APPLE TRUE CACHE BOOL "") +set (IOS TRUE CACHE BOOL "") +set (CMAKE_AR ar CACHE FILEPATH "" FORCE) +set (CMAKE_RANLIB ranlib CACHE FILEPATH "" FORCE) + +# Force unset of OS X-specific deployment target (otherwise autopopulated), +# required as of cmake 2.8.10. + +set (CMAKE_OSX_DEPLOYMENT_TARGET "" CACHE STRING "Must be empty for iOS builds." FORCE) + +# Set the architectures for which to build. + +set (CMAKE_OSX_ARCHITECTURES ${IOS_ARCH} CACHE STRING "Build architecture for iOS") + +# All iOS/Darwin specific settings - some may be redundant. + +set (CMAKE_SHARED_LIBRARY_PREFIX "lib") +set (CMAKE_SHARED_LIBRARY_SUFFIX ".dylib") +set (CMAKE_SHARED_MODULE_PREFIX "lib") +set (CMAKE_SHARED_MODULE_SUFFIX ".so") +set (CMAKE_MODULE_EXISTS 1) +set (CMAKE_DL_LIBS "") + +set (CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG "-compatibility_version ") +set (CMAKE_C_OSX_CURRENT_VERSION_FLAG "-current_version ") +set (CMAKE_CXX_OSX_COMPATIBILITY_VERSION_FLAG "${CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG}") +set (CMAKE_CXX_OSX_CURRENT_VERSION_FLAG "${CMAKE_C_OSX_CURRENT_VERSION_FLAG}") + +message (STATUS "Building for minimum OS version: ${IOS_DEPLOYMENT_TARGET} (SDK version: ${IOS_SDK_VERSION})") + +# Note that only Xcode 7+ supports the newer more specific: +# -m${XCODE_IOS_PLATFORM}-version-min flags, older versions of Xcode use: +# -m(ios/ios-simulator)-version-min instead. +if (IOS_PLATFORM STREQUAL "OS") + if (XCODE_VERSION VERSION_LESS 7.0) + set (XCODE_IOS_PLATFORM_VERSION_FLAGS "-mios-version-min=${IOS_DEPLOYMENT_TARGET}") + else() + # Xcode 7.0+ uses flags we can build directly from XCODE_IOS_PLATFORM. + set (XCODE_IOS_PLATFORM_VERSION_FLAGS "-m${XCODE_IOS_PLATFORM}-version-min=${IOS_DEPLOYMENT_TARGET}") + endif() +elseif (IOS_PLATFORM STREQUAL "TVOS") + set (XCODE_IOS_PLATFORM_VERSION_FLAGS "-mtvos-version-min=${IOS_DEPLOYMENT_TARGET}") +elseif (IOS_PLATFORM STREQUAL "SIMULATOR_TVOS") + set (XCODE_IOS_PLATFORM_VERSION_FLAGS "-mtvos-simulator-version-min=${IOS_DEPLOYMENT_TARGET}") +elseif (IOS_PLATFORM STREQUAL "WATCHOS") + set (XCODE_IOS_PLATFORM_VERSION_FLAGS "-mwatchos-version-min=${IOS_DEPLOYMENT_TARGET}") +elseif (IOS_PLATFORM STREQUAL "SIMULATOR_WATCHOS" OR IOS_PLATFORM STREQUAL "SIMULATOR64_WATCHOS") + set (XCODE_IOS_PLATFORM_VERSION_FLAGS "-mwatchos-simulator-version-min=${IOS_DEPLOYMENT_TARGET}") +else() + # SIMULATOR or SIMULATOR64 both use -mios-simulator-version-min. + set (XCODE_IOS_PLATFORM_VERSION_FLAGS "-mios-simulator-version-min=${IOS_DEPLOYMENT_TARGET}") +endif() + +message (STATUS "Version flags set to: ${XCODE_IOS_PLATFORM_VERSION_FLAGS}") + +if (ENABLE_BITCODE) + set (BITCODE "-fembed-bitcode") + message (STATUS "Enabling bitcode support.") +else() + set (BITCODE "") + message (STATUS "Disabling bitcode support.") +endif() + +if (ENABLE_ARC) + set (FOBJC_ARC "-fobjc-arc") + message (STATUS "Enabling ARC support.") +else() + set (FOBJC_ARC "-fno-objc-arc") + message (STATUS "Disabling ARC support.") +endif() + +set (CMAKE_C_FLAGS "${XCODE_IOS_PLATFORM_VERSION_FLAGS} ${BITCODE} -fobjc-abi-version=2 ${FOBJC_ARC} ${C_FLAGS}") +set (CMAKE_CXX_FLAGS "${XCODE_IOS_PLATFORM_VERSION_FLAGS} ${BITCODE} -fobjc-abi-version=2 ${FOBJC_ARC} ${CXX_FLAGS}") +set (CMAKE_C_LINK_FLAGS "${XCODE_IOS_PLATFORM_VERSION_FLAGS} -Wl,-search_paths_first ${C_LINK_FLAGS}") +set (CMAKE_CXX_LINK_FLAGS "${XCODE_IOS_PLATFORM_VERSION_FLAGS} -Wl,-search_paths_first ${CXX_LINK_FLAGS}") + +# In order to ensure that the updated compiler flags are used in try_compile() +# tests, we have to forcibly set them in the CMake cache, not merely set them +# in the local scope. + +list (APPEND VARS_TO_FORCE_IN_CACHE + CMAKE_C_FLAGS + CMAKE_CXX_FLAGS + CMAKE_C_LINK_FLAGS + CMAKE_CXX_LINK_FLAGS +) + +foreach (VAR_TO_FORCE ${VARS_TO_FORCE_IN_CACHE}) + set (${VAR_TO_FORCE} "${${VAR_TO_FORCE}}" CACHE STRING "" FORCE) +endforeach() + +set (CMAKE_PLATFORM_HAS_INSTALLNAME 1) + +set (CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS "-dynamiclib") +set (CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS "-dynamiclib") +set (CMAKE_SHARED_MODULE_CREATE_C_FLAGS "-bundle") +set (CMAKE_SHARED_MODULE_CREATE_CXX_FLAGS "-bundle") +set (CMAKE_SHARED_MODULE_LOADER_C_FLAG "-Wl,-bundle_loader,") +set (CMAKE_SHARED_MODULE_LOADER_CXX_FLAG "-Wl,-bundle_loader,") +set (CMAKE_FIND_LIBRARY_SUFFIXES ".dylib" ".so" ".a") + +# Hack: If a new CMake (which uses CMAKE_INSTALL_NAME_TOOL) runs on an old +# build tree (where install_name_tool was hardcoded) and where +# CMAKE_INSTALL_NAME_TOOL isn't in the cache and still CMake didn't fail in +# CMakeFindBinUtils.cmake (because it isn't rerun) hardcode +# CMAKE_INSTALL_NAME_TOOL here to install_name_tool, so it behaves as it did +# before, Alex. + +if (NOT DEFINED CMAKE_INSTALL_NAME_TOOL) + find_program (CMAKE_INSTALL_NAME_TOOL install_name_tool) +endif (NOT DEFINED CMAKE_INSTALL_NAME_TOOL) + +# Set the find root to the iOS developer roots and to user defined paths. +set (CMAKE_FIND_ROOT_PATH ${CMAKE_IOS_DEVELOPER_ROOT} + ${CMAKE_OSX_SYSROOT} + ${CMAKE_PREFIX_PATH} + CACHE string "iOS find search path root" FORCE +) + +# Default to searching for frameworks first. + +set (CMAKE_FIND_FRAMEWORK FIRST) + +# Set up the default search directories for frameworks. + +set (CMAKE_SYSTEM_FRAMEWORK_PATH + ${CMAKE_OSX_SYSROOT}/System/Library/Frameworks + ${CMAKE_OSX_SYSROOT}/System/Library/PrivateFrameworks + ${CMAKE_OSX_SYSROOT}/Developer/Library/Frameworks +) + +# Only search the specified iOS SDK, not the remainder of the host filesystem. + +set (CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY) +set (CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) +set (CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) |