diff options
Diffstat (limited to 'cmake/Toolchain-iOS.cmake')
| -rw-r--r-- | cmake/Toolchain-iOS.cmake | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/cmake/Toolchain-iOS.cmake b/cmake/Toolchain-iOS.cmake new file mode 100644 index 00000000..3fe4c3db --- /dev/null +++ b/cmake/Toolchain-iOS.cmake @@ -0,0 +1,130 @@ +# 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 +# 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 + +# Standard settings +set (CMAKE_SYSTEM_NAME Darwin) +set (CMAKE_SYSTEM_VERSION 1 ) +set (UNIX True) +set (APPLE True) +set (IOS True) + +# Force the compilers to gcc for iOS +include (CMakeForceCompiler) +CMAKE_FORCE_C_COMPILER (gcc gcc) +CMAKE_FORCE_CXX_COMPILER (g++ g++) + +# 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 "") +set (CMAKE_CXX_FLAGS "-headerpad_max_install_names -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 +if (NOT DEFINED IOS_PLATFORM) + set (IOS_PLATFORM "OS") +endif (NOT DEFINED IOS_PLATFORM) +set (IOS_PLATFORM ${IOS_PLATFORM} CACHE STRING "Type of iOS Platform") + +# Check the platform selection and setup for developer root +if (${IOS_PLATFORM} STREQUAL "OS") + set (IOS_PLATFORM_LOCATION "iPhoneOS.platform") +elseif (${IOS_PLATFORM} STREQUAL "SIMULATOR") + set (IOS_PLATFORM_LOCATION "iPhoneSimulator.platform") +else (${IOS_PLATFORM} STREQUAL "OS") + message (FATAL_ERROR "Unsupported IOS_PLATFORM value selected. Please choose OS or SIMULATOR") +endif (${IOS_PLATFORM} STREQUAL "OS") + +# Setup iOS developer location +if (NOT DEFINED CMAKE_IOS_DEVELOPER_ROOT) + set (CMAKE_IOS_DEVELOPER_ROOT "/Developer/Platforms/${IOS_PLATFORM_LOCATION}/Developer") +endif (NOT DEFINED CMAKE_IOS_DEVELOPER_ROOT) +set (CMAKE_IOS_DEVELOPER_ROOT ${CMAKE_IOS_DEVELOPER_ROOT} CACHE PATH "Location of iOS Platform") + +# Find and use the most recent iOS sdk +if (NOT DEFINED CMAKE_IOS_SDK_ROOT) + file (GLOB _CMAKE_IOS_SDKS "${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 seach 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 ${CMAKE_IOS_SDK_ROOT} CACHE PATH "Sysroot used for iOS support") + +# set the architecture for iOS - using ARCHS_STANDARD_32_BIT sets armv6,armv7 and appears to be XCode's standard. +# The other value that works is ARCHS_UNIVERSAL_IPHONE_OS but that sets armv7 only +set (CMAKE_OSX_ARCHITECTURES "$(ARCHS_STANDARD_32_BIT)" 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) |