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更新ios编译方法

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This commit is contained in:
xiongziliang 2019-12-16 17:12:24 +08:00
parent 5322a5761b
commit 0670f9f62b
5 changed files with 678 additions and 237 deletions
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10
README.md
View File

@ -184,21 +184,15 @@ git submodule update --init
Same with Build on macOS
- Guidance
```
cd ZLMediaKit
./build_for_ios.sh
```
- You can also generate Xcode projects and recompile them:
- You can generate Xcode projects and recompile them , [learn more](https://github.com/leetal/ios-cmake):
```
cd ZLMediaKit
mkdir -p build
cd build
# Generate Xcode project, project file is in build directory
cmake .. -DCMAKE_TOOLCHAIN_FILE=../cmake/iOS.cmake -DIOS_PLATFORM=SIMULATOR64 -G "Xcode"
cmake .. -G Xcode -DCMAKE_TOOLCHAIN_FILE=../cmake/ios.toolchain.cmake -DPLATFORM=OS64COMBINED
```

4
README_CN.md
View File

@ -196,14 +196,14 @@ git submodule update --init
cd ZLMediaKit
./build_for_ios.sh
```
- 你也可以生成Xcode工程再编译：
- 你也可以生成Xcode工程再编译,[了解更多](https://github.com/leetal/ios-cmake):
```
cd ZLMediaKit
mkdir -p build
cd build
# 生成Xcode工程，工程文件在build目录下
cmake .. -DCMAKE_TOOLCHAIN_FILE=../cmake/iOS.cmake -DIOS_PLATFORM=SIMULATOR64 -G "Xcode"
cmake .. -G Xcode -DCMAKE_TOOLCHAIN_FILE=../cmake/ios.toolchain.cmake -DPLATFORM=OS64COMBINED
```
## 编译(Android)

18
cmake/FindZLTOOLKIT.cmake
View File

@ -1,18 +0,0 @@
find_path(ZLTOOLKIT_INCLUDE_DIR
NAMES Network/Socket.h
PATHS
${PROJECT_SOURCE_DIR}/../ZLToolKit/src
$ENV{HOME}/ZLToolKit/include)
find_library(ZLTOOLKIT_LIBRARY
NAMES ZLToolKit
PATHS
${PROJECT_SOURCE_DIR}/../ZLToolKit/build/lib
$ENV{HOME}/ZLToolKit/lib)
set(ZLTOOLKIT_LIBRARIES ${ZLTOOLKIT_LIBRARY})
set(ZLTOOLKIT_INCLUDE_DIRS ${ZLTOOLKIT_INCLUDE_DIR})
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(ZLTOOLKIT DEFAULT_MSG ZLTOOLKIT_LIBRARY ZLTOOLKIT_INCLUDE_DIR)

209
cmake/iOS.cmake
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@ -1,209 +0,0 @@
# 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 (/usr/bin/gcc Apple)
set(CMAKE_C_COMPILER /usr/bin/clang)
#CMAKE_FORCE_CXX_COMPILER (/usr/bin/g++ Apple)
set(CMAKE_CXX_COMPILER /usr/bin/clang++)
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_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
exec_program(/usr/bin/xcode-select ARGS -print-path OUTPUT_VARIABLE CMAKE_XCODE_DEVELOPER_DIR)
set (XCODE_POST_43_ROOT "${CMAKE_XCODE_DEVELOPER_DIR}/Platforms/${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)

674
cmake/ios.toolchain.cmake Normal file
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@ -0,0 +1,674 @@
# 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.
#
# Updated by Alex Stewart (alexs.mac@gmail.com)
#
# *****************************************************************************
# Now maintained by Alexander Widerberg (widerbergaren [at] gmail.com)
# under the BSD-3-Clause license
# https://github.com/leetal/ios-cmake
# *****************************************************************************
#
# INFORMATION / HELP
#
# The following arguments control the behaviour of this toolchain:
#
# PLATFORM: (default "OS")
# OS = Build for iPhoneOS.
# OS64 = Build for arm64 iphoneOS.
# OS64COMBINED = Build for arm64 x86_64 iphoneOS. Combined into FAT STATIC lib (supported on 3.14+ of CMakewith "-G Xcode" argument ONLY)
# SIMULATOR = Build for x86 i386 iphoneOS Simulator.
# SIMULATOR64 = Build for x86_64 iphoneOS Simulator.
# TVOS = Build for arm64 tvOS.
# TVOSCOMBINED = Build for arm64 x86_64 tvOS. Combined into FAT STATIC lib (supported on 3.14+ of CMake with "-G Xcode" argument ONLY)
# SIMULATOR_TVOS = Build for x86_64 tvOS Simulator.
# WATCHOS = Build for armv7k arm64_32 for watchOS.
# WATCHOSCOMBINED = Build for armv7k arm64_32 x86_64 watchOS. Combined into FAT STATIC lib (supported on 3.14+ of CMake with "-G Xcode" argument ONLY)
# SIMULATOR_WATCHOS = Build for x86_64 for watchOS Simulator.
#
# CMAKE_OSX_SYSROOT: Path to the SDK to use. By default this is
# automatically determined from PLATFORM and xcodebuild, but
# can also be manually specified (although this should not be required).
#
# CMAKE_DEVELOPER_ROOT: Path to the Developer directory for the 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).
#
# DEPLOYMENT_TARGET: Minimum SDK version to target. Default 2.0 on watchOS and 9.0 on tvOS+iOS
#
# ENABLE_BITCODE: (1|0) Enables or disables bitcode support. Default 1 (true)
#
# ENABLE_ARC: (1|0) Enables or disables ARC support. Default 1 (true, ARC enabled by default)
#
# ENABLE_VISIBILITY: (1|0) Enables or disables symbol visibility support. Default 0 (false, visibility hidden by default)
#
# ENABLE_STRICT_TRY_COMPILE: (1|0) Enables or disables strict try_compile() on all Check* directives (will run linker
# to actually check if linking is possible). Default 0 (false, will set CMAKE_TRY_COMPILE_TARGET_TYPE to STATIC_LIBRARY)
#
# ARCHS: (armv7 armv7s armv7k arm64 arm64_32 i386 x86_64) If specified, will override the default architectures for the given PLATFORM
# OS = armv7 armv7s arm64 (if applicable)
# OS64 = arm64 (if applicable)
# SIMULATOR = i386
# SIMULATOR64 = x86_64
# TVOS = arm64
# SIMULATOR_TVOS = x86_64 (i386 has since long been deprecated)
# WATCHOS = armv7k arm64_32 (if applicable)
# SIMULATOR_WATCHOS = x86_64 (i386 has since long been deprecated)
#
# This toolchain defines the following variables for use externally:
#
# XCODE_VERSION: Version number (not including Build version) of Xcode detected.
# SDK_VERSION: Version of SDK being used.
# CMAKE_OSX_ARCHITECTURES: Architectures being compiled for (generated from PLATFORM).
#
# This toolchain defines the following macros for use externally:
#
# set_xcode_property (TARGET XCODE_PROPERTY XCODE_VALUE XCODE_VARIANT)
# A convenience macro for setting xcode specific properties on targets.
# Available variants are: All, Release, RelWithDebInfo, Debug, MinSizeRel
# example: set_xcode_property (myioslib IPHONEOS_DEPLOYMENT_TARGET "3.1" "all").
#
# find_host_package (PROGRAM ARGS)
# A macro used to find executable programs on the host system, not within the
# environment. Thanks to the android-cmake project for providing the
# command.
#
# ******************************** DEPRECATIONS *******************************
#
# IOS_DEPLOYMENT_TARGET: (Deprecated) Alias to DEPLOYMENT_TARGET
# CMAKE_IOS_DEVELOPER_ROOT: (Deprecated) Alias to CMAKE_DEVELOPER_ROOT
# IOS_PLATFORM: (Deprecated) Alias to PLATFORM
# IOS_ARCH: (Deprecated) Alias to ARCHS
#
# *****************************************************************************
#
# Fix for PThread library not in path
set(CMAKE_THREAD_LIBS_INIT "-lpthread")
set(CMAKE_HAVE_THREADS_LIBRARY 1)
set(CMAKE_USE_WIN32_THREADS_INIT 0)
set(CMAKE_USE_PTHREADS_INIT 1)
# Cache what generator is used
set(USED_CMAKE_GENERATOR "${CMAKE_GENERATOR}" CACHE STRING "Expose CMAKE_GENERATOR" FORCE)
if(${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.14")
set(MODERN_CMAKE YES)
message(STATUS "Merging integrated CMake 3.14+ iOS,tvOS,watchOS,macOS toolchain(s) with this toolchain!")
endif()
# 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}")
######## ALIASES (DEPRECATION WARNINGS)
if(DEFINED IOS_PLATFORM)
set(PLATFORM ${IOS_PLATFORM})
message(DEPRECATION "IOS_PLATFORM argument is DEPRECATED. Consider using the new PLATFORM argument instead.")
endif()
if(DEFINED IOS_DEPLOYMENT_TARGET)
set(DEPLOYMENT_TARGET ${IOS_DEPLOYMENT_TARGET})
message(DEPRECATION "IOS_DEPLOYMENT_TARGET argument is DEPRECATED. Consider using the new DEPLOYMENT_TARGET argument instead.")
endif()
if(DEFINED CMAKE_IOS_DEVELOPER_ROOT)
set(CMAKE_DEVELOPER_ROOT ${CMAKE_IOS_DEVELOPER_ROOT})
message(DEPRECATION "CMAKE_IOS_DEVELOPER_ROOT argument is DEPRECATED. Consider using the new CMAKE_DEVELOPER_ROOT argument instead.")
endif()
if(DEFINED IOS_ARCH)
set(ARCHS ${IOS_ARCH})
message(DEPRECATION "IOS_ARCH argument is DEPRECATED. Consider using the new ARCHS argument instead.")
endif()
######## END ALIASES
# Unset the FORCE on cache variables if in try_compile()
set(FORCE_CACHE FORCE)
get_property(_CMAKE_IN_TRY_COMPILE GLOBAL PROPERTY IN_TRY_COMPILE)
if(_CMAKE_IN_TRY_COMPILE)
unset(FORCE_CACHE)
endif()
# Default to building for iPhoneOS if not specified otherwise, and we cannot
# determine the platform from the CMAKE_OSX_ARCHITECTURES variable. The use
# of CMAKE_OSX_ARCHITECTURES is such that try_compile() projects can correctly
# determine the value of PLATFORM from the root project, as
# CMAKE_OSX_ARCHITECTURES is propagated to them by CMake.
if(NOT DEFINED PLATFORM)
if (CMAKE_OSX_ARCHITECTURES)
if(CMAKE_OSX_ARCHITECTURES MATCHES ".*arm.*" AND CMAKE_OSX_SYSROOT MATCHES ".*iphoneos.*")
set(PLATFORM "OS")
elseif(CMAKE_OSX_ARCHITECTURES MATCHES "i386" AND CMAKE_OSX_SYSROOT MATCHES ".*iphonesimulator.*")
set(PLATFORM "SIMULATOR")
elseif(CMAKE_OSX_ARCHITECTURES MATCHES "x86_64" AND CMAKE_OSX_SYSROOT MATCHES ".*iphonesimulator.*")
set(PLATFORM "SIMULATOR64")
elseif(CMAKE_OSX_ARCHITECTURES MATCHES "arm64" AND CMAKE_OSX_SYSROOT MATCHES ".*appletvos.*")
set(PLATFORM "TVOS")
elseif(CMAKE_OSX_ARCHITECTURES MATCHES "x86_64" AND CMAKE_OSX_SYSROOT MATCHES ".*appletvsimulator.*")
set(PLATFORM "SIMULATOR_TVOS")
elseif(CMAKE_OSX_ARCHITECTURES MATCHES ".*armv7k.*" AND CMAKE_OSX_SYSROOT MATCHES ".*watchos.*")
set(PLATFORM "WATCHOS")
elseif(CMAKE_OSX_ARCHITECTURES MATCHES "i386" AND CMAKE_OSX_SYSROOT MATCHES ".*watchsimulator.*")
set(PLATFORM "SIMULATOR_WATCHOS")
endif()
endif()
if (NOT PLATFORM)
set(PLATFORM "OS")
endif()
endif()
set(PLATFORM_INT "${PLATFORM}" CACHE STRING "Type of platform for which the build targets.")
# Handle the case where we are targeting iOS and a version above 10.3.4 (32-bit support dropped officially)
if(PLATFORM_INT STREQUAL "OS" AND DEPLOYMENT_TARGET VERSION_GREATER_EQUAL 10.3.4)
set(PLATFORM_INT "OS64")
message(STATUS "Targeting minimum SDK version ${DEPLOYMENT_TARGET}. Dropping 32-bit support.")
elseif(PLATFORM_INT STREQUAL "SIMULATOR" AND DEPLOYMENT_TARGET VERSION_GREATER_EQUAL 10.3.4)
set(PLATFORM_INT "SIMULATOR64")
message(STATUS "Targeting minimum SDK version ${DEPLOYMENT_TARGET}. Dropping 32-bit support.")
endif()
# Determine the platform name and architectures for use in xcodebuild commands
# from the specified PLATFORM name.
if(PLATFORM_INT STREQUAL "OS")
set(SDK_NAME iphoneos)
if(NOT ARCHS)
set(ARCHS armv7 armv7s arm64)
endif()
elseif(PLATFORM_INT STREQUAL "OS64")
set(SDK_NAME iphoneos)
if(NOT ARCHS)
if (XCODE_VERSION VERSION_GREATER 10.0)
set(ARCHS arm64) # Add arm64e when Apple have fixed the integration issues with it, libarclite_iphoneos.a is currently missung bitcode markers for example
else()
set(ARCHS arm64)
endif()
endif()
elseif(PLATFORM_INT STREQUAL "OS64COMBINED")
set(SDK_NAME iphoneos)
if(MODERN_CMAKE)
if(NOT ARCHS)
if (XCODE_VERSION VERSION_GREATER 10.0)
set(ARCHS arm64 x86_64) # Add arm64e when Apple have fixed the integration issues with it, libarclite_iphoneos.a is currently missung bitcode markers for example
else()
set(ARCHS arm64 x86_64)
endif()
endif()
else()
message(FATAL_ERROR "Please make sure that you are running CMake 3.14+ to make the OS64COMBINED setting work")
endif()
elseif(PLATFORM_INT STREQUAL "SIMULATOR")
set(SDK_NAME iphonesimulator)
if(NOT ARCHS)
set(ARCHS i386)
endif()
message(DEPRECATION "SIMULATOR IS DEPRECATED. Consider using SIMULATOR64 instead.")
elseif(PLATFORM_INT STREQUAL "SIMULATOR64")
set(SDK_NAME iphonesimulator)
if(NOT ARCHS)
set(ARCHS x86_64)
endif()
elseif(PLATFORM_INT STREQUAL "TVOS")
set(SDK_NAME appletvos)
if(NOT ARCHS)
set(ARCHS arm64)
endif()
elseif (PLATFORM_INT STREQUAL "TVOSCOMBINED")
set(SDK_NAME appletvos)
if(MODERN_CMAKE)
if(NOT ARCHS)
set(ARCHS arm64 x86_64)
endif()
else()
message(FATAL_ERROR "Please make sure that you are running CMake 3.14+ to make the TVOSCOMBINED setting work")
endif()
elseif(PLATFORM_INT STREQUAL "SIMULATOR_TVOS")
set(SDK_NAME appletvsimulator)
if(NOT ARCHS)
set(ARCHS x86_64)
endif()
elseif(PLATFORM_INT STREQUAL "WATCHOS")
set(SDK_NAME watchos)
if(NOT ARCHS)
if (XCODE_VERSION VERSION_GREATER 10.0)
set(ARCHS armv7k arm64_32)
else()
set(ARCHS armv7k)
endif()
endif()
elseif(PLATFORM_INT STREQUAL "WATCHOSCOMBINED")
set(SDK_NAME watchos)
if(MODERN_CMAKE)
if(NOT ARCHS)
if (XCODE_VERSION VERSION_GREATER 10.0)
set(ARCHS armv7k arm64_32 i386)
else()
set(ARCHS armv7k i386)
endif()
endif()
else()
message(FATAL_ERROR "Please make sure that you are running CMake 3.14+ to make the WATCHOSCOMBINED setting work")
endif()
elseif(PLATFORM_INT STREQUAL "SIMULATOR_WATCHOS")
set(SDK_NAME watchsimulator)
if(NOT ARCHS)
set(ARCHS i386)
endif()
else()
message(FATAL_ERROR "Invalid PLATFORM: ${PLATFORM_INT}")
endif()
message(STATUS "Configuring ${SDK_NAME} build for platform: ${PLATFORM_INT}, architecture(s): ${ARCHS}")
if(MODERN_CMAKE AND PLATFORM_INT MATCHES ".*COMBINED" AND NOT USED_CMAKE_GENERATOR MATCHES "Xcode")
message(FATAL_ERROR "The COMBINED options only work with Xcode generator, -G Xcode")
endif()
# If user did not specify the SDK root to use, then query xcodebuild for it.
execute_process(COMMAND xcodebuild -version -sdk ${SDK_NAME} Path
OUTPUT_VARIABLE CMAKE_OSX_SYSROOT_INT
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
if (NOT DEFINED CMAKE_OSX_SYSROOT_INT AND NOT DEFINED CMAKE_OSX_SYSROOT)
message(SEND_ERROR "Please make sure that Xcode is installed and that the toolchain"
"is pointing to the correct path. Please run:"
"sudo xcode-select -s /Applications/Xcode.app/Contents/Developer"
"and see if that fixes the problem for you.")
message(FATAL_ERROR "Invalid CMAKE_OSX_SYSROOT: ${CMAKE_OSX_SYSROOT} "
"does not exist.")
elseif(DEFINED CMAKE_OSX_SYSROOT)
message(STATUS "Using SDK: ${CMAKE_OSX_SYSROOT} for platform: ${PLATFORM_INT} when checking compatibility")
elseif(DEFINED CMAKE_OSX_SYSROOT_INT)
message(STATUS "Using SDK: ${CMAKE_OSX_SYSROOT_INT} for platform: ${PLATFORM_INT}")
set(CMAKE_OSX_SYSROOT "${CMAKE_OSX_SYSROOT_INT}" CACHE INTERNAL "")
endif()
# Set Xcode property for SDKROOT as well if Xcode generator is used
if(USED_CMAKE_GENERATOR MATCHES "Xcode")
set(CMAKE_OSX_SYSROOT "${SDK_NAME}" CACHE INTERNAL "")
if(NOT DEFINED CMAKE_XCODE_ATTRIBUTE_DEVELOPMENT_TEAM)
set(CMAKE_XCODE_ATTRIBUTE_DEVELOPMENT_TEAM 123456789A CACHE INTERNAL "")
endif()
endif()
# Specify minimum version of deployment target.
if(NOT DEFINED DEPLOYMENT_TARGET)
if (PLATFORM_INT STREQUAL "WATCHOS" OR PLATFORM_INT STREQUAL "SIMULATOR_WATCHOS")
# Unless specified, SDK version 2.0 is used by default as minimum target version (watchOS).
set(DEPLOYMENT_TARGET "2.0"
CACHE STRING "Minimum SDK version to build for." )
else()
# Unless specified, SDK version 9.0 is used by default as minimum target version (iOS, tvOS).
set(DEPLOYMENT_TARGET "9.0"
CACHE STRING "Minimum SDK version to build for." )
endif()
message(STATUS "Using the default min-version since DEPLOYMENT_TARGET not provided!")
endif()
# Use bitcode or not
if(NOT DEFINED ENABLE_BITCODE AND NOT ARCHS MATCHES "((^|;|, )(i386|x86_64))+")
# Unless specified, enable bitcode support by default
message(STATUS "Enabling bitcode support by default. ENABLE_BITCODE not provided!")
set(ENABLE_BITCODE TRUE)
elseif(NOT DEFINED ENABLE_BITCODE)
message(STATUS "Disabling bitcode support by default on simulators. ENABLE_BITCODE not provided for override!")
set(ENABLE_BITCODE FALSE)
endif()
set(ENABLE_BITCODE_INT ${ENABLE_BITCODE} CACHE BOOL "Whether or not to enable bitcode" ${FORCE_CACHE})
# Use ARC or not
if(NOT DEFINED ENABLE_ARC)
# Unless specified, enable ARC support by default
set(ENABLE_ARC TRUE)
message(STATUS "Enabling ARC support by default. ENABLE_ARC not provided!")
endif()
set(ENABLE_ARC_INT ${ENABLE_ARC} CACHE BOOL "Whether or not to enable ARC" ${FORCE_CACHE})
# Use hidden visibility or not
if(NOT DEFINED ENABLE_VISIBILITY)
# Unless specified, disable symbols visibility by default
set(ENABLE_VISIBILITY FALSE)
message(STATUS "Hiding symbols visibility by default. ENABLE_VISIBILITY not provided!")
endif()
set(ENABLE_VISIBILITY_INT ${ENABLE_VISIBILITY} CACHE BOOL "Whether or not to hide symbols (-fvisibility=hidden)" ${FORCE_CACHE})
# Set strict compiler checks or not
if(NOT DEFINED ENABLE_STRICT_TRY_COMPILE)
# Unless specified, disable strict try_compile()
set(ENABLE_STRICT_TRY_COMPILE FALSE)
message(STATUS "Using NON-strict compiler checks by default. ENABLE_STRICT_TRY_COMPILE not provided!")
endif()
set(ENABLE_STRICT_TRY_COMPILE_INT ${ENABLE_STRICT_TRY_COMPILE} CACHE BOOL "Whether or not to use strict compiler checks" ${FORCE_CACHE})
# Get the SDK version information.
execute_process(COMMAND xcodebuild -sdk ${CMAKE_OSX_SYSROOT} -version SDKVersion
OUTPUT_VARIABLE 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 DEFINED CMAKE_DEVELOPER_ROOT AND NOT USED_CMAKE_GENERATOR MATCHES "Xcode")
get_filename_component(PLATFORM_SDK_DIR ${CMAKE_OSX_SYSROOT} PATH)
get_filename_component(CMAKE_DEVELOPER_ROOT ${PLATFORM_SDK_DIR} PATH)
if (NOT DEFINED CMAKE_DEVELOPER_ROOT)
message(FATAL_ERROR "Invalid CMAKE_DEVELOPER_ROOT: "
"${CMAKE_DEVELOPER_ROOT} does not exist.")
endif()
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 BUILD_LIBTOOL
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
message(STATUS "Using libtool: ${BUILD_LIBTOOL}")
# Configure libtool to be used instead of ar + ranlib to build static libraries.
# This is required on Xcode 7+, but should also work on previous versions of
# Xcode.
set(CMAKE_C_CREATE_STATIC_LIBRARY
"${BUILD_LIBTOOL} -static -o <TARGET> <LINK_FLAGS> <OBJECTS> ")
set(CMAKE_CXX_CREATE_STATIC_LIBRARY
"${BUILD_LIBTOOL} -static -o <TARGET> <LINK_FLAGS> <OBJECTS> ")
# Find the toolchain's provided install_name_tool if none is found on the host
if(NOT CMAKE_INSTALL_NAME_TOOL)
execute_process(COMMAND xcrun -sdk ${CMAKE_OSX_SYSROOT} -find install_name_tool
OUTPUT_VARIABLE CMAKE_INSTALL_NAME_TOOL_INT
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
set(CMAKE_INSTALL_NAME_TOOL ${CMAKE_INSTALL_NAME_TOOL_INT} CACHE STRING "" ${FORCE_CACHE})
message(STATUS "Using install_name_tool: ${CMAKE_INSTALL_NAME_TOOL}")
endif()
# Get the version of Darwin (OS X) of the host.
execute_process(COMMAND uname -r
OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_VERSION
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
# CMake 3.14+ support building for iOS, watchOS and tvOS out of the box.
if(MODERN_CMAKE)
if(SDK_NAME MATCHES "iphone")
set(CMAKE_SYSTEM_NAME iOS CACHE INTERNAL "" ${FORCE_CACHE})
elseif(SDK_NAME MATCHES "appletv")
set(CMAKE_SYSTEM_NAME tvOS CACHE INTERNAL "" ${FORCE_CACHE})
elseif(SDK_NAME MATCHES "watch")
set(CMAKE_SYSTEM_NAME watchOS CACHE INTERNAL "" ${FORCE_CACHE})
endif()
# Provide flags for a combined FAT library build on newer CMake versions
if(PLATFORM_INT MATCHES ".*COMBINED")
set(CMAKE_XCODE_ATTRIBUTE_ONLY_ACTIVE_ARCH NO CACHE INTERNAL "" ${FORCE_CACHE})
set(CMAKE_IOS_INSTALL_COMBINED YES CACHE INTERNAL "" ${FORCE_CACHE})
message(STATUS "Will combine built (static) artifacts into FAT lib...")
endif()
else()
# Legacy code path prior to CMake 3.14
set(CMAKE_SYSTEM_NAME Darwin CACHE INTERNAL "" ${FORCE_CACHE})
endif()
# Standard settings.
set(CMAKE_SYSTEM_VERSION ${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)
set(CMAKE_STRIP strip CACHE FILEPATH "" FORCE)
# Set the architectures for which to build.
set(CMAKE_OSX_ARCHITECTURES ${ARCHS} CACHE STRING "Build architecture for iOS")
# Change the type of target generated for try_compile() so it'll work when cross-compiling, weak compiler checks
if(ENABLE_STRICT_TRY_COMPILE_INT)
message(STATUS "Using strict compiler checks (default in CMake).")
else()
set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
endif()
# All iOS/Darwin specific settings - some may be redundant.
set(CMAKE_MACOSX_BUNDLE YES)
set(CMAKE_XCODE_ATTRIBUTE_CODE_SIGNING_REQUIRED "NO")
set(CMAKE_SHARED_LIBRARY_PREFIX "lib")
set(CMAKE_SHARED_LIBRARY_SUFFIX ".dylib")
set(CMAKE_SHARED_MODULE_PREFIX "lib")
set(CMAKE_SHARED_MODULE_SUFFIX ".so")
set(CMAKE_C_COMPILER_ABI ELF)
set(CMAKE_CXX_COMPILER_ABI ELF)
set(CMAKE_C_HAS_ISYSROOT 1)
set(CMAKE_CXX_HAS_ISYSROOT 1)
set(CMAKE_MODULE_EXISTS 1)
set(CMAKE_DL_LIBS "")
set(CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG "-compatibility_version ")
set(CMAKE_C_OSX_CURRENT_VERSION_FLAG "-current_version ")
set(CMAKE_CXX_OSX_COMPATIBILITY_VERSION_FLAG "${CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG}")
set(CMAKE_CXX_OSX_CURRENT_VERSION_FLAG "${CMAKE_C_OSX_CURRENT_VERSION_FLAG}")
if(ARCHS MATCHES "((^|;|, )(arm64|arm64e|x86_64))+")
set(CMAKE_C_SIZEOF_DATA_PTR 8)
set(CMAKE_CXX_SIZEOF_DATA_PTR 8)
if(ARCHS MATCHES "((^|;|, )(arm64|arm64e))+")
set(CMAKE_SYSTEM_PROCESSOR "aarch64")
else()
set(CMAKE_SYSTEM_PROCESSOR "x86_64")
endif()
message(STATUS "Using a data_ptr size of 8")
else()
set(CMAKE_C_SIZEOF_DATA_PTR 4)
set(CMAKE_CXX_SIZEOF_DATA_PTR 4)
set(CMAKE_SYSTEM_PROCESSOR "arm")
message(STATUS "Using a data_ptr size of 4")
endif()
message(STATUS "Building for minimum ${SDK_NAME} version: ${DEPLOYMENT_TARGET}"
" (SDK version: ${SDK_VERSION})")
# Note that only Xcode 7+ supports the newer more specific:
# -m${SDK_NAME}-version-min flags, older versions of Xcode use:
# -m(ios/ios-simulator)-version-min instead.
if(PLATFORM_INT STREQUAL "OS" OR PLATFORM_INT STREQUAL "OS64")
if(XCODE_VERSION VERSION_LESS 7.0)
set(SDK_NAME_VERSION_FLAGS
"-mios-version-min=${DEPLOYMENT_TARGET}")
else()
# Xcode 7.0+ uses flags we can build directly from SDK_NAME.
set(SDK_NAME_VERSION_FLAGS
"-m${SDK_NAME}-version-min=${DEPLOYMENT_TARGET}")
endif()
elseif(PLATFORM_INT STREQUAL "TVOS")
set(SDK_NAME_VERSION_FLAGS
"-mtvos-version-min=${DEPLOYMENT_TARGET}")
elseif(PLATFORM_INT STREQUAL "SIMULATOR_TVOS")
set(SDK_NAME_VERSION_FLAGS
"-mtvos-simulator-version-min=${DEPLOYMENT_TARGET}")
elseif(PLATFORM_INT STREQUAL "WATCHOS")
set(SDK_NAME_VERSION_FLAGS
"-mwatchos-version-min=${DEPLOYMENT_TARGET}")
elseif(PLATFORM_INT STREQUAL "SIMULATOR_WATCHOS")
set(SDK_NAME_VERSION_FLAGS
"-mwatchos-simulator-version-min=${DEPLOYMENT_TARGET}")
else()
# SIMULATOR or SIMULATOR64 both use -mios-simulator-version-min.
set(SDK_NAME_VERSION_FLAGS
"-mios-simulator-version-min=${DEPLOYMENT_TARGET}")
endif()
message(STATUS "Version flags set to: ${SDK_NAME_VERSION_FLAGS}")
set(CMAKE_OSX_DEPLOYMENT_TARGET ${DEPLOYMENT_TARGET} CACHE STRING
"Set CMake deployment target" ${FORCE_CACHE})
if(ENABLE_BITCODE_INT)
set(BITCODE "-fembed-bitcode")
set(CMAKE_XCODE_ATTRIBUTE_BITCODE_GENERATION_MODE bitcode CACHE INTERNAL "")
message(STATUS "Enabling bitcode support.")
else()
set(BITCODE "")
set(CMAKE_XCODE_ATTRIBUTE_ENABLE_BITCODE NO CACHE INTERNAL "")
message(STATUS "Disabling bitcode support.")
endif()
if(ENABLE_ARC_INT)
set(FOBJC_ARC "-fobjc-arc")
set(CMAKE_XCODE_ATTRIBUTE_CLANG_ENABLE_OBJC_ARC YES CACHE INTERNAL "")
message(STATUS "Enabling ARC support.")
else()
set(FOBJC_ARC "-fno-objc-arc")
set(CMAKE_XCODE_ATTRIBUTE_CLANG_ENABLE_OBJC_ARC NO CACHE INTERNAL "")
message(STATUS "Disabling ARC support.")
endif()
if(NOT ENABLE_VISIBILITY_INT)
set(VISIBILITY "-fvisibility=hidden")
set(CMAKE_XCODE_ATTRIBUTE_GCC_SYMBOLS_PRIVATE_EXTERN YES CACHE INTERNAL "")
message(STATUS "Hiding symbols (-fvisibility=hidden).")
else()
set(VISIBILITY "")
set(CMAKE_XCODE_ATTRIBUTE_GCC_SYMBOLS_PRIVATE_EXTERN NO CACHE INTERNAL "")
endif()
#Check if Xcode generator is used, since that will handle these flags automagically
if(USED_CMAKE_GENERATOR MATCHES "Xcode")
message(STATUS "Not setting any manual command-line buildflags, since Xcode is selected as generator.")
else()
set(CMAKE_C_FLAGS
"${SDK_NAME_VERSION_FLAGS} ${BITCODE} -fobjc-abi-version=2 ${FOBJC_ARC} ${CMAKE_C_FLAGS}")
# Hidden visibilty is required for C++ on iOS.
set(CMAKE_CXX_FLAGS
"${SDK_NAME_VERSION_FLAGS} ${BITCODE} ${VISIBILITY} -fvisibility-inlines-hidden -fobjc-abi-version=2 ${FOBJC_ARC} ${CMAKE_CXX_FLAGS}")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS} -O0 -g ${CMAKE_CXX_FLAGS_DEBUG}")
set(CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS} -DNDEBUG -Os -ffast-math ${CMAKE_CXX_FLAGS_MINSIZEREL}")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS} -DNDEBUG -O2 -g -ffast-math ${CMAKE_CXX_FLAGS_RELWITHDEBINFO}")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS} -DNDEBUG -O3 -ffast-math ${CMAKE_CXX_FLAGS_RELEASE}")
set(CMAKE_C_LINK_FLAGS "${SDK_NAME_VERSION_FLAGS} -Wl,-search_paths_first ${CMAKE_C_LINK_FLAGS}")
set(CMAKE_CXX_LINK_FLAGS "${SDK_NAME_VERSION_FLAGS} -Wl,-search_paths_first ${CMAKE_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_CXX_FLAGS_DEBUG
CMAKE_CXX_FLAGS_RELWITHDEBINFO
CMAKE_CXX_FLAGS_MINSIZEREL
CMAKE_CXX_FLAGS_RELEASE
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 "")
endforeach()
endif()
set(CMAKE_PLATFORM_HAS_INSTALLNAME 1)
set(CMAKE_SHARED_LINKER_FLAGS "-rpath @executable_path/Frameworks -rpath @loader_path/Frameworks")
set(CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS "-dynamiclib -Wl,-headerpad_max_install_names")
set(CMAKE_SHARED_MODULE_CREATE_C_FLAGS "-bundle -Wl,-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 ".tbd" ".dylib" ".so" ".a")
set(CMAKE_SHARED_LIBRARY_SONAME_C_FLAG "-install_name")
# Set the find root to the iOS developer roots and to user defined paths.
set(CMAKE_FIND_ROOT_PATH ${CMAKE_OSX_SYSROOT_INT} ${CMAKE_PREFIX_PATH} CACHE STRING "Root path that will be prepended
to all search paths")
# Default to searching for frameworks first.
set(CMAKE_FIND_FRAMEWORK FIRST)
# Set up the default search directories for frameworks.
set(CMAKE_FRAMEWORK_PATH
${CMAKE_DEVELOPER_ROOT}/Library/PrivateFrameworks
${CMAKE_OSX_SYSROOT_INT}/System/Library/Frameworks
${CMAKE_FRAMEWORK_PATH} CACHE STRING "Frameworks search paths" ${FORCE_CACHE})
# By default, search both the specified iOS SDK and the remainder of the host filesystem.
if(NOT CMAKE_FIND_ROOT_PATH_MODE_PROGRAM)
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM BOTH CACHE STRING "" ${FORCE_CACHE})
endif()
if(NOT CMAKE_FIND_ROOT_PATH_MODE_LIBRARY)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY CACHE STRING "" ${FORCE_CACHE})
endif()
if(NOT CMAKE_FIND_ROOT_PATH_MODE_INCLUDE)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY CACHE STRING "" ${FORCE_CACHE})
endif()
if(NOT CMAKE_FIND_ROOT_PATH_MODE_PACKAGE)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY CACHE STRING "" ${FORCE_CACHE})
endif()
#
# Some helper-macros below to simplify and beautify the CMakeFile
#
# This little macro lets you set any Xcode specific property.
macro(set_xcode_property TARGET XCODE_PROPERTY XCODE_VALUE XCODE_RELVERSION)
set(XCODE_RELVERSION_I "${XCODE_RELVERSION}")
if(XCODE_RELVERSION_I STREQUAL "All")
set_property(TARGET ${TARGET} PROPERTY
XCODE_ATTRIBUTE_${XCODE_PROPERTY} "${XCODE_VALUE}")
else()
set_property(TARGET ${TARGET} PROPERTY
XCODE_ATTRIBUTE_${XCODE_PROPERTY}[variant=${XCODE_RELVERSION_I}] "${XCODE_VALUE}")
endif()
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(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE NEVER)
set(IOS FALSE)
find_package(${ARGN})
set(IOS TRUE)
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM BOTH)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY BOTH)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE BOTH)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE BOTH)
endmacro(find_host_package)