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Diffstat (limited to 'cmake/iOS.cmake')
| -rw-r--r-- | cmake/iOS.cmake | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/cmake/iOS.cmake b/cmake/iOS.cmake new file mode 100644 index 0000000..03b845a --- /dev/null +++ b/cmake/iOS.cmake @@ -0,0 +1,246 @@ +# This file is part of the ios-cmake project. It was retrieved from +# https://github.com/cristeab/ios-cmake.git, which is a fork of +# https://code.google.com/p/ios-cmake/. Which in turn is based off of +# the Platform/Darwin.cmake and Platform/UnixPaths.cmake files which +# are included with CMake 2.8.4 +# +# The ios-cmake project is licensed under the new BSD license. +# +# 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. +# +# This file is based off of the Platform/Darwin.cmake and Platform/UnixPaths.cmake +# files which are included with CMake 2.8.4 +# It has been altered for iOS development + +# Options: +# +# IOS_PLATFORM = OS (default) or SIMULATOR or SIMULATOR64 +# This decides if SDKS will be selected from the iPhoneOS.platform or iPhoneSimulator.platform folders +# OS - the default, used to build for iPhone and iPad physical devices, which have an arm arch. +# SIMULATOR - used to build for the Simulator platforms, which have an x86 arch. +# +# CMAKE_IOS_DEVELOPER_ROOT = automatic(default) or /path/to/platform/Developer folder +# By default this location is automatcially chosen based on the IOS_PLATFORM value above. +# If set manually, it will override the default location and force the user of a particular Developer Platform +# +# CMAKE_IOS_SDK_ROOT = automatic(default) or /path/to/platform/Developer/SDKs/SDK folder +# By default this location is automatcially chosen based on the CMAKE_IOS_DEVELOPER_ROOT value. +# In this case it will always be the most up-to-date SDK found in the CMAKE_IOS_DEVELOPER_ROOT path. +# If set manually, this will force the use of a specific SDK version + +# Macros: +# +# set_xcode_property (TARGET XCODE_PROPERTY XCODE_VALUE) +# A convenience macro for setting xcode specific properties on targets +# example: set_xcode_property (myioslib IPHONEOS_DEPLOYMENT_TARGET "3.1") +# +# find_host_package (PROGRAM ARGS) +# A macro used to find executable programs on the host system, not within the iOS environment. +# Thanks to the android-cmake project for providing the command + +# Standard settings +set (CMAKE_SYSTEM_NAME Darwin) +set (CMAKE_SYSTEM_VERSION 1) +set (UNIX True) +set (APPLE True) +set (IOS True) + +# Required as of cmake 2.8.10 +set (CMAKE_OSX_DEPLOYMENT_TARGET "" CACHE STRING "Force unset of the deployment target for iOS" FORCE) + +# Determine the cmake host system version so we know where to find the iOS SDKs +find_program (CMAKE_UNAME uname /bin /usr/bin /usr/local/bin) +if (CMAKE_UNAME) + exec_program(uname ARGS -r OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_VERSION) + string (REGEX REPLACE "^([0-9]+)\\.([0-9]+).*$" "\\1" DARWIN_MAJOR_VERSION "${CMAKE_HOST_SYSTEM_VERSION}") +endif (CMAKE_UNAME) + +# Force the compilers to gcc for iOS +include (CMakeForceCompiler) +CMAKE_FORCE_C_COMPILER (clang Apple) +CMAKE_FORCE_CXX_COMPILER (clang++ Apple) +set(CMAKE_AR ar CACHE FILEPATH "" FORCE) + +# Skip the platform compiler checks for cross compiling +set (CMAKE_CXX_COMPILER_WORKS TRUE) +set (CMAKE_C_COMPILER_WORKS TRUE) + +# 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}") + +# Hidden visibilty is required for cxx on iOS +set (CMAKE_C_FLAGS_INIT "") +set (CMAKE_CXX_FLAGS_INIT "-fvisibility=hidden -fvisibility-inlines-hidden") +set (CMAKE_CXX_FLAGS_RELEASE_INIT "-DNDEBUG -O3 -fomit-frame-pointer -ffast-math") + +set (CMAKE_C_LINK_FLAGS "-Wl,-search_paths_first ${CMAKE_C_LINK_FLAGS}") +set (CMAKE_CXX_LINK_FLAGS "-Wl,-search_paths_first ${CMAKE_CXX_LINK_FLAGS}") + +set (CMAKE_PLATFORM_HAS_INSTALLNAME 1) +set (CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS "-dynamiclib -headerpad_max_install_names") +set (CMAKE_SHARED_MODULE_CREATE_C_FLAGS "-bundle -headerpad_max_install_names") +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) + +# Setup iOS platform unless specified manually with IOS_PLATFORM +if (NOT DEFINED IOS_PLATFORM) + set (IOS_PLATFORM "OS") +endif (NOT DEFINED IOS_PLATFORM) +set (IOS_PLATFORM ${IOS_PLATFORM} CACHE STRING "Type of iOS Platform") + +# Setup building for arm64 or not +if (NOT DEFINED BUILD_ARM64) + set (BUILD_ARM64 true) +endif (NOT DEFINED BUILD_ARM64) +set (BUILD_ARM64 ${BUILD_ARM64} CACHE STRING "Build arm64 arch or not") + +# Check the platform selection and setup for developer root +if (${IOS_PLATFORM} STREQUAL "OS") + set (IOS_PLATFORM_LOCATION "iPhoneOS.platform") + + # This causes the installers to properly locate the output libraries + set (CMAKE_XCODE_EFFECTIVE_PLATFORMS "-iphoneos") +elseif (${IOS_PLATFORM} STREQUAL "SIMULATOR") + set (SIMULATOR true) + set (IOS_PLATFORM_LOCATION "iPhoneSimulator.platform") + + # This causes the installers to properly locate the output libraries + set (CMAKE_XCODE_EFFECTIVE_PLATFORMS "-iphonesimulator") +elseif (${IOS_PLATFORM} STREQUAL "SIMULATOR64") + set (SIMULATOR true) + set (IOS_PLATFORM_LOCATION "iPhoneSimulator.platform") + + # This causes the installers to properly locate the output libraries + set (CMAKE_XCODE_EFFECTIVE_PLATFORMS "-iphonesimulator") +else (${IOS_PLATFORM} STREQUAL "OS") + message (FATAL_ERROR "Unsupported IOS_PLATFORM value selected. Please choose OS or SIMULATOR") +endif (${IOS_PLATFORM} STREQUAL "OS") + +# Setup iOS developer location unless specified manually with CMAKE_IOS_DEVELOPER_ROOT +# Note Xcode 4.3 changed the installation location, choose the most recent one available +set (XCODE_POST_43_ROOT "/Applications/Xcode.app/Contents/Developer/Platforms/${IOS_PLATFORM_LOCATION}/Developer") +set (XCODE_PRE_43_ROOT "/Developer/Platforms/${IOS_PLATFORM_LOCATION}/Developer") +if (NOT DEFINED CMAKE_IOS_DEVELOPER_ROOT) + if (EXISTS ${XCODE_POST_43_ROOT}) + set (CMAKE_IOS_DEVELOPER_ROOT ${XCODE_POST_43_ROOT}) + elseif(EXISTS ${XCODE_PRE_43_ROOT}) + set (CMAKE_IOS_DEVELOPER_ROOT ${XCODE_PRE_43_ROOT}) + endif (EXISTS ${XCODE_POST_43_ROOT}) +endif (NOT DEFINED CMAKE_IOS_DEVELOPER_ROOT) +set (CMAKE_IOS_DEVELOPER_ROOT ${CMAKE_IOS_DEVELOPER_ROOT} CACHE PATH "Location of iOS Platform") + +# Find and use the most recent iOS sdk unless specified manually with CMAKE_IOS_SDK_ROOT +if (NOT DEFINED CMAKE_IOS_SDK_ROOT) + file (GLOB _CMAKE_IOS_SDKS "${CMAKE_IOS_DEVELOPER_ROOT}/SDKs/*") + if (_CMAKE_IOS_SDKS) + list (SORT _CMAKE_IOS_SDKS) + list (REVERSE _CMAKE_IOS_SDKS) + list (GET _CMAKE_IOS_SDKS 0 CMAKE_IOS_SDK_ROOT) + else (_CMAKE_IOS_SDKS) + message (FATAL_ERROR "No iOS SDK's found in default search path ${CMAKE_IOS_DEVELOPER_ROOT}. Manually set CMAKE_IOS_SDK_ROOT or install the iOS SDK.") + endif (_CMAKE_IOS_SDKS) + message (STATUS "Toolchain using default iOS SDK: ${CMAKE_IOS_SDK_ROOT}") +endif (NOT DEFINED CMAKE_IOS_SDK_ROOT) +set (CMAKE_IOS_SDK_ROOT ${CMAKE_IOS_SDK_ROOT} CACHE PATH "Location of the selected iOS SDK") + +# Set the sysroot default to the most recent SDK +set (CMAKE_OSX_SYSROOT ${CMAKE_IOS_SDK_ROOT} CACHE PATH "Sysroot used for iOS support") + +# set the architecture for iOS +if (${IOS_PLATFORM} STREQUAL "OS") + set (IOS_ARCH armv7 armv7s arm64) +elseif (${IOS_PLATFORM} STREQUAL "SIMULATOR") + set (IOS_ARCH i386) +elseif (${IOS_PLATFORM} STREQUAL "SIMULATOR64") + set (IOS_ARCH x86_64) +endif (${IOS_PLATFORM} STREQUAL "OS") + +set (CMAKE_OSX_ARCHITECTURES ${IOS_ARCH} CACHE string "Build architecture for iOS") + +# Set the find root to the iOS developer roots and to user defined paths +set (CMAKE_FIND_ROOT_PATH ${CMAKE_IOS_DEVELOPER_ROOT} ${CMAKE_IOS_SDK_ROOT} ${CMAKE_PREFIX_PATH} CACHE string "iOS find search path root") + +# 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_IOS_SDK_ROOT}/System/Library/Frameworks + ${CMAKE_IOS_SDK_ROOT}/System/Library/PrivateFrameworks + ${CMAKE_IOS_SDK_ROOT}/Developer/Library/Frameworks +) + +# only search the iOS sdks, 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) + + +# This little macro lets you set any XCode specific property +macro (set_xcode_property TARGET XCODE_PROPERTY XCODE_VALUE) + set_property (TARGET ${TARGET} PROPERTY XCODE_ATTRIBUTE_${XCODE_PROPERTY} ${XCODE_VALUE}) +endmacro (set_xcode_property) + + +# This macro lets you find executable programs on the host system +macro (find_host_package) + set (CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) + set (CMAKE_FIND_ROOT_PATH_MODE_LIBRARY NEVER) + set (CMAKE_FIND_ROOT_PATH_MODE_INCLUDE NEVER) + set (IOS FALSE) + + find_package(${ARGN}) + + set (IOS TRUE) + set (CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY) + set (CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) + set (CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) +endmacro (find_host_package) |