From 43dde9353bf642dba113030327473554744ced0a Mon Sep 17 00:00:00 2001 From: Liu Yiqun Date: Tue, 29 Aug 2017 19:49:41 +0800 Subject: [PATCH] Refine the cross-compiling toolchain file for iOS. --- cmake/cross_compiling/ios.cmake | 422 ++++++++++++++++++++------------ cmake/flags.cmake | 6 +- cmake/system.cmake | 13 +- 3 files changed, 274 insertions(+), 167 deletions(-) diff --git a/cmake/cross_compiling/ios.cmake b/cmake/cross_compiling/ios.cmake index b179e29b2..135104e69 100644 --- a/cmake/cross_compiling/ios.cmake +++ b/cmake/cross_compiling/ios.cmake @@ -1,207 +1,311 @@ -# 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: +# Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserve. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 # +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# This is a toolchain file for cross-compiling for iOS, and the +# configuration largely refers to public toolchain file: +# https://raw.githubusercontent.com/leetal/ios-cmake/master/ios.toolchain.cmake +# and +# https://github.com/cristeab/ios-cmake +# +# Supports 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 +# IOS_ARCH +# The archectures wanted to support, such "arm64", "armv7;arm64" +# IOS_DEPLOYMENT_TARGET +# The minimum iOS deployment version, such as "7.0" +# IOS_ENABLE_BITCODE = ON (default) or OFF +# 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. +# IOS_SDK_ROOT = automatic(default) or /path/to/platform/Developer/SDKs/SDK folder +# By default this location is automatcially chosen based on the IOS_DEVELOPER_ROOT value. +# In this case it will always be the most up-to-date SDK found in the 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) +if(NOT IOS) + return() +endif() + +set(CMAKE_SYSTEM_NAME Darwin) +#set(UNIX ON) +#set(APPLE ON) + +# Get the Xcode version being used. +execute_process(COMMAND xcodebuild -version + OUTPUT_VARIABLE XCODE_VERSION + RESULT_VARIABLE XCODE_VERSION_RESULT + ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE) +if(NOT ${XCODE_VERSION_RESULT}) + string(REGEX MATCH "Xcode [0-9\\.]+" XCODE_VERSION "${XCODE_VERSION}") + string(REGEX REPLACE "Xcode ([0-9\\.]+)" "\\1" XCODE_VERSION "${XCODE_VERSION}") + message(STATUS "Building with Xcode version: ${XCODE_VERSION}") +else() + message(FATAL_ERROR "Cannot execute xcodebuild, please check whether xcode is installed.") +endif() # Required as of cmake 2.8.10 -set (CMAKE_OSX_DEPLOYMENT_TARGET "" CACHE STRING "Force unset of the deployment target for iOS" FORCE) - -# Determine the cmake host system version so we know where to find the iOS SDKs -find_program (CMAKE_UNAME uname /bin /usr/bin /usr/local/bin) -if (CMAKE_UNAME) - exec_program(uname ARGS -r OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_VERSION) - string (REGEX REPLACE "^([0-9]+)\\.([0-9]+).*$" "\\1" DARWIN_MAJOR_VERSION "${CMAKE_HOST_SYSTEM_VERSION}") -endif (CMAKE_UNAME) - -# Force the compilers to gcc for iOS -set (CMAKE_C_COMPILER /usr/bin/gcc) -set (CMAKE_CXX_COMPILER /usr/bin/g++) +set(CMAKE_OSX_DEPLOYMENT_TARGET "" CACHE STRING "Force unset of the deployment target for iOS" FORCE) + set(CMAKE_AR ar CACHE FILEPATH "" FORCE) set(CMAKE_RANLIB ranlib CACHE FILEPATH "" FORCE) set(PKG_CONFIG_EXECUTABLE pkg-config CACHE FILEPATH "" FORCE) # 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") +if(NOT DEFINED IOS_PLATFORM) + set(IOS_PLATFORM "OS") +endif() +set(IOS_PLATFORM ${IOS_PLATFORM} CACHE STRING "Type of iOS Platform") + +# Set the architecture for iOS +if(NOT DEFINED IOS_ARCH) + if(IOS_PLATFORM STREQUAL "OS") + set(IOS_ARCH "armv7;armv7s;arm64") + elseif(IOS_PLATFORM STREQUAL "SIMULATOR") + set(IOS_ARCH "i386;x86_64") + elseif(IOS_PLATFORM STREQUAL "WATCHOS") + set(IOS_ARCH armv7k) + endif() +endif() +set(CMAKE_OSX_ARCHITECTURES ${IOS_ARCH} CACHE string "Build architecture for iOS") + +# Specify minimum iOS deployment version +if(NOT DEFINED IOS_DEPLOYMENT_TARGET) + set(IOS_DEPLOYMENT_TARGET "7.0") +endif() +set(IOS_DEPLOYMENT_TARGET ${IOS_DEPLOYMENT_TARGET} CACHE STRING "Minimum iOS version") + +# Whether to enable bitcode +if(NOT DEFINED IOS_ENABLE_BITCODE) + set(IOS_ENABLE_BITCODE ON) +endif() +set(IOS_ENABLE_BITCODE ${IOS_ENABLE_BITCODE} CACHE BOOL "Whether to enable bitcode") # Check the platform selection and setup for developer root -if (${IOS_PLATFORM} STREQUAL "OS") - set (IOS_PLATFORM_LOCATION "iPhoneOS.platform") - set (XCODE_IOS_PLATFORM iphoneos) - - # This causes the installers to properly locate the output libraries - set (CMAKE_XCODE_EFFECTIVE_PLATFORMS "-iphoneos") -elseif (${IOS_PLATFORM} STREQUAL "SIMULATOR") - set (SIMULATOR true) - set (IOS_PLATFORM_LOCATION "iPhoneSimulator.platform") - set (XCODE_IOS_PLATFORM iphonesimulator) - - # This causes the installers to properly locate the output libraries - set (CMAKE_XCODE_EFFECTIVE_PLATFORMS "-iphonesimulator") -elseif (${IOS_PLATFORM} STREQUAL "WATCHOS") - set (IOS_PLATFORM_LOCATION "WatchOS.platform") - set (XCODE_IOS_PLATFORM watchos) - - # This causes the installers to properly locate the output libraries - set (CMAKE_XCODE_EFFECTIVE_PLATFORMS "-watchos") -else (${IOS_PLATFORM} STREQUAL "OS") - message (FATAL_ERROR - "Unsupported IOS_PLATFORM value selected. " - "Please choose OS, SIMULATOR, or WATCHOS.") -endif () - -# All iOS/Darwin specific settings - some may be redundant -set (CMAKE_SHARED_LIBRARY_PREFIX "lib") -set (CMAKE_SHARED_LIBRARY_SUFFIX ".dylib") -set (CMAKE_SHARED_MODULE_PREFIX "lib") -set (CMAKE_SHARED_MODULE_SUFFIX ".so") -set (CMAKE_MODULE_EXISTS 1) -set (CMAKE_DL_LIBS "") - -set (CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG "-compatibility_version ") -set (CMAKE_C_OSX_CURRENT_VERSION_FLAG "-current_version ") -set (CMAKE_CXX_OSX_COMPATIBILITY_VERSION_FLAG "${CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG}") -set (CMAKE_CXX_OSX_CURRENT_VERSION_FLAG "${CMAKE_C_OSX_CURRENT_VERSION_FLAG}") - -if (IOS_DEPLOYMENT_TARGET) - set(XCODE_IOS_PLATFORM_VERSION_FLAGS "-m${XCODE_IOS_PLATFORM}-version-min=${IOS_DEPLOYMENT_TARGET}") +if(${IOS_PLATFORM} STREQUAL "OS") + set(IOS_PLATFORM_LOCATION "iPhoneOS.platform") + set(XCODE_IOS_PLATFORM iphoneos) + + # This causes the installers to properly locate the output libraries + set(CMAKE_XCODE_EFFECTIVE_PLATFORMS "-iphoneos") +elseif(${IOS_PLATFORM} STREQUAL "SIMULATOR") + set(IOS_PLATFORM_LOCATION "iPhoneSimulator.platform") + set(XCODE_IOS_PLATFORM iphonesimulator) + + # This causes the installers to properly locate the output libraries + set(CMAKE_XCODE_EFFECTIVE_PLATFORMS "-iphonesimulator") +elseif(${IOS_PLATFORM} STREQUAL "WATCHOS") + set(IOS_PLATFORM_LOCATION "WatchOS.platform") + set(XCODE_IOS_PLATFORM watchos) + + # This causes the installers to properly locate the output libraries + set(CMAKE_XCODE_EFFECTIVE_PLATFORMS "-watchos") +else(${IOS_PLATFORM} STREQUAL "OS") + message(FATAL_ERROR "Unsupported IOS_PLATFORM value selected. Please set to\n" + "\t OS, SIMULATOR, or WATCHOS.") +endif() + +# Check iOS developer toolchain +if(NOT DEFINED IOS_DEVELOPER_ROOT) + # Setup iOS developer location + execute_process(COMMAND xcode-select -print-path + OUTPUT_VARIABLE XCODE_DEVELOPER_DIR + RESULT_VARIABLE XCODE_DEVELOPER_DIR_RESULT + ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE) + # Xcode 4.3 changed the installation location, choose the most recent one available + if(${XCODE_VERSION} VERSION_LESS "4.3.0") + set(IOS_DEVELOPER_ROOT "/Developer/Platforms/${IOS_PLATFORM_LOCATION}/Developer") + else() + set(IOS_DEVELOPER_ROOT "${XCODE_DEVELOPER_DIR}/Platforms/${IOS_PLATFORM_LOCATION}/Developer") + endif() +endif() +if(EXISTS ${IOS_DEVELOPER_ROOT}) + set(IOS_DEVELOPER_ROOT ${IOS_DEVELOPER_ROOT} CACHE PATH "Location of iOS Platform") +else() + message(FATAL_ERROR "Invalid IOS_DEVELOPER_ROOT: ${IOS_DEVELOPER_ROOT} does not exist.") endif() +# Check iOS SDK +if(NOT DEFINED IOS_SDK_ROOT) + # Find and use the most recent iOS sdk + file(GLOB IOS_SDK_LISTS "${IOS_DEVELOPER_ROOT}/SDKs/*") + if(IOS_SDK_LISTS) + list(SORT IOS_SDK_LISTS) + list(REVERSE IOS_SDK_LISTS) + list(GET IOS_SDK_LISTS 0 IOS_SDK_ROOT) + else(IOS_SDK_LISTS) + message(FATAL_ERROR "No iOS SDK's found in default search path ${IOS_DEVELOPER_ROOT}." + " Please manually set IOS_SDK_ROOT or install the iOS SDK.") + endif(IOS_SDK_LISTS) +endif() +if(EXISTS ${IOS_SDK_ROOT}) + set(CMAKE_IOS_SDK_ROOT ${CMAKE_IOS_SDK_ROOT} CACHE PATH "Location of the selected iOS SDK") + message(STATUS "iOS toolchain: ${IOS_SDK_ROOT}") +else() + message(FATAL_ERROR "Invalid IOS_SDK_ROOT: ${IOS_SDK_ROOT} does not exist.") +endif() + +# Set the sysroot default to the most recent SDK +set(CMAKE_OSX_SYSROOT ${IOS_SDK_ROOT} CACHE PATH "Sysroot used for iOS support") + +# Get version of iOS SDK +execute_process(COMMAND xcodebuild -sdk ${CMAKE_OSX_SYSROOT} -version SDKVersion + OUTPUT_VARIABLE IOS_SDK_VERSION + RESULT_VARIABLE IOS_SDK_VERSION_RESULT + ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE) +if(${IOS_SDK_VERSION_RESULT}) + string(REGEX MATCH "(([0-9]+)\\.)+([0-9]+)" IOS_SDK_VERSION "${IOS_SDK_ROOT}") +endif() +if(NOT IOS_SDK_VERSION) + message(WARNING "Cannot get SDK's version.") + set(IOS_SDK_VERSION 1) +endif() +set(CMAKE_SYSTEM_VERSION ${IOS_SDK_VERSION}) + +# Find the C & C++ compilers for the specified SDK. +if(NOT CMAKE_C_COMPILER) + # Default to use clang + execute_process(COMMAND xcrun -sdk ${CMAKE_OSX_SYSROOT} -find clang + OUTPUT_VARIABLE IOS_C_COMPILER + RESULT_VARIABLE IOS_C_COMPILER_RESULT + ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE) + if(${IOS_C_COMPILER_RESULT}) + get_filename_component(IOS_C_COMPILER clang PROGRAM) + endif() +else(NOT CMAKE_C_COMPILER) + # User can set it in cmake command + get_filename_component(IOS_C_COMPILER ${CMAKE_C_COMPILER} PROGRAM) +endif(NOT CMAKE_C_COMPILER) +if(NOT EXISTS ${IOS_C_COMPILER}) + message(FATAL_ERROR "Cannot find C compiler: ${IOS_C_COMPILER}") +endif() + +if(NOT CMAKE_CXX_COMPILER) + # Default to use clang++ + execute_process(COMMAND xcrun -sdk ${CMAKE_OSX_SYSROOT} -find clang++ + OUTPUT_VARIABLE IOS_CXX_COMPILER + RESULT_VARIABLE IOS_CXX_COMPILER_RESULT + ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE) + if(${IOS_CXX_COMPILER_RESULT}) + get_filename_component(IOS_CXX_COMPILER clang++ PROGRAM) + endif() +else(NOT CMAKE_CXX_COMPILER) + # User can set it in cmake command + get_filename_component(IOS_CXX_COMPILER ${CMAKE_CXX_COMPILER} PROGRAM) +endif(NOT CMAKE_CXX_COMPILER) +if(NOT EXISTS ${IOS_CXX_COMPILER}) + message(FATAL_ERROR "Cannot find CXX compiler: ${IOS_CXX_COMPILER}") +endif() + +set(CMAKE_C_COMPILER ${IOS_C_COMPILER} CACHE PATH "C compiler" FORCE) +set(CMAKE_CXX_COMPILER ${IOS_CXX_COMPILER} CACHE PATH "CXX compiler" FORCE) + +set(CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG "-compatibility_version ") +set(CMAKE_C_OSX_CURRENT_VERSION_FLAG "-current_version ") +set(CMAKE_CXX_OSX_COMPATIBILITY_VERSION_FLAG "${CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG}") +set(CMAKE_CXX_OSX_CURRENT_VERSION_FLAG "${CMAKE_C_OSX_CURRENT_VERSION_FLAG}") + +# Set iOS specific C/C++ flags +if(IOS_PLATFORM STREQUAL "OS") + if(XCODE_VERSION VERSION_LESS "7.0") + set(XCODE_IOS_PLATFORM_VERSION_FLAGS "-mios-version-min=${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() +else() + set(XCODE_IOS_FLATFORM_VERSION_FLAGS "-mios-simulator-version-min=${IOS_DEPLOYMENT_TARGET}") +endif() + +if(IOS_ENABLE_BITCODE) + set(XCODE_IOS_BITCODE_FLAGS "${IOS_COMPILER_FLAGS} -fembed-bitcode") +else() + set(XCODE_IOS_BITCODE_FLAGS "") +endif() + +set(IOS_COMPILER_FLAGS "${XCODE_IOS_PLATFORM_VERSION_FLAGS} ${XCODE_IOS_BITCODE_FLAGS}") + # Hidden visibilty is required for cxx on iOS -set (CMAKE_C_FLAGS_INIT "${XCODE_IOS_PLATFORM_VERSION_FLAGS}") -set (CMAKE_CXX_FLAGS_INIT "${XCODE_IOS_PLATFORM_VERSION_FLAGS} -fvisibility-inlines-hidden") +set(CMAKE_C_FLAGS "${IOS_COMPILER_FLAGS} ${CMAKE_C_FLAGS}" CACHE STRING "C flags") +set(CMAKE_CXX_FLAGS "${IOS_COMPILER_FLAGS} -fvisibility-inlines-hidden ${CMAKE_CXX_FLAGS}" CACHE STRING "CXX flags") -set (CMAKE_C_LINK_FLAGS "${XCODE_IOS_PLATFORM_VERSION_FLAGS} -Wl,-search_paths_first ${CMAKE_C_LINK_FLAGS}") -set (CMAKE_CXX_LINK_FLAGS "${XCODE_IOS_PLATFORM_VERSION_FLAGS} -Wl,-search_paths_first ${CMAKE_CXX_LINK_FLAGS}") +set(CMAKE_C_LINK_FLAGS "${XCODE_IOS_PLATFORM_VERSION_FLAGS} -Wl,-search_paths_first ${CMAKE_C_LINK_FLAGS}") +set(CMAKE_CXX_LINK_FLAGS "${XCODE_IOS_PLATFORM_VERSION_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") +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 deployment target -set (IOS_DEPLOYMENT_TARGET ${IOS_DEPLOYMENT_TARGET} CACHE STRING "Minimum iOS version") - -# Setup iOS developer location unless specified manually with CMAKE_IOS_DEVELOPER_ROOT -# Note Xcode 4.3 changed the installation location, choose the most recent one available -exec_program(/usr/bin/xcode-select ARGS -print-path OUTPUT_VARIABLE CMAKE_XCODE_DEVELOPER_DIR) -set (XCODE_POST_43_ROOT "${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;x86_64") -elseif (IOS_PLATFORM STREQUAL "WATCHOS") - set (IOS_ARCH "armv7k") -endif () - -set (CMAKE_OSX_ARCHITECTURES ${IOS_ARCH} CACHE string "Build architecture for iOS") +if(NOT DEFINED CMAKE_INSTALL_NAME_TOOL) + find_program(CMAKE_INSTALL_NAME_TOOL install_name_tool) +endif() # 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") +set(CMAKE_FIND_ROOT_PATH ${IOS_DEVELOPER_ROOT} ${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(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 -) +set(CMAKE_SYSTEM_FRAMEWORK_PATH + ${IOS_SDK_ROOT}/System/Library/Frameworks + ${IOS_SDK_ROOT}/System/Library/PrivateFrameworks + ${IOS_SDK_ROOT}/Developer/Library/Frameworks + ) # only search the iOS sdks, not the remainder of the host filesystem -set (CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) -set (CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) -set (CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) +set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) +set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) +set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) + +message(STATUS "iOS: Targeting iOS '${CMAKE_SYSTEM_VERSION}', " + "building for '${IOS_PLATFORM}' platform, with architecture '${CMAKE_OSX_ARCHITECTURES}'") # 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) +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) +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(${ARGN}) + + set(IOS TRUE) + set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY) + set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) + set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) +endmacro(find_host_package) diff --git a/cmake/flags.cmake b/cmake/flags.cmake index b27eb7155..11c96351e 100644 --- a/cmake/flags.cmake +++ b/cmake/flags.cmake @@ -135,8 +135,10 @@ set(GPU_COMMON_FLAGS ) if (APPLE) - # On Mac OS X build fat binaries with x86_64 architectures by default. - set (CMAKE_OSX_ARCHITECTURES "x86_64" CACHE STRING "Build architectures for OSX" FORCE) + if(NOT CMAKE_CROSSCOMPILING) + # On Mac OS X build fat binaries with x86_64 architectures by default. + set (CMAKE_OSX_ARCHITECTURES "x86_64" CACHE STRING "Build architectures for OSX" FORCE) + endif() else() set(GPU_COMMON_FLAGS -Wall diff --git a/cmake/system.cmake b/cmake/system.cmake index 7462802d2..396bd1a07 100644 --- a/cmake/system.cmake +++ b/cmake/system.cmake @@ -24,11 +24,10 @@ IF(WIN32) SET(HOST_SYSTEM "win32") ELSE(WIN32) IF(APPLE) - EXEC_PROGRAM (sw_vers ARGS -productVersion OUTPUT_VARIABLE MACOSX_VERSION) - STRING(REGEX MATCH "[0-9]+.[0-9]+" VERSION "${MACOSX_VERSION}") - SET(MACOS_VERSION ${VERSION}) SET(HOST_SYSTEM "macosx") - IF(NOT DEFINED ENV{MACOSX_DEPLOYMENT_TARGET}) + EXEC_PROGRAM(sw_vers ARGS -productVersion OUTPUT_VARIABLE HOST_SYSTEM_VERSION) + STRING(REGEX MATCH "[0-9]+.[0-9]+" MACOS_VERSION "${HOST_SYSTEM_VERSION}") + IF(NOT DEFINED $ENV{MACOSX_DEPLOYMENT_TARGET}) # Set cache variable - end user may change this during ccmake or cmake-gui configure. SET(CMAKE_OSX_DEPLOYMENT_TARGET ${MACOS_VERSION} CACHE STRING "Minimum OS X version to target for deployment (at runtime); newer APIs weak linked. Set to empty string for default value.") @@ -49,6 +48,8 @@ ELSE(WIN32) ELSEIF(LINUX_ISSUE MATCHES "Fedora") SET(HOST_SYSTEM "fedora") ENDIF() + + STRING(REGEX MATCH "(([0-9]+)\\.)+([0-9]+)" HOST_SYSTEM_VERSION "${LINUX_ISSUE}") ENDIF(EXISTS "/etc/issue") IF(EXISTS "/etc/redhat-release") @@ -70,7 +71,7 @@ CMAKE_HOST_SYSTEM_INFORMATION(RESULT CPU_CORES QUERY NUMBER_OF_LOGICAL_CORES) MARK_AS_ADVANCED(HOST_SYSTEM CPU_CORES) -MESSAGE(STATUS "Found Paddle host system: ${HOST_SYSTEM}") +MESSAGE(STATUS "Found Paddle host system: ${HOST_SYSTEM}, version: ${HOST_SYSTEM_VERSION}") MESSAGE(STATUS "Found Paddle host system's CPU: ${CPU_CORES} cores") # configuration for cross-compiling @@ -82,7 +83,7 @@ IF(DEFINED CMAKE_SYSTEM_NAME) ELSEIF(${CMAKE_SYSTEM_NAME} STREQUAL "RPi") SET(RPI TRUE) INCLUDE(cross_compiling/raspberry_pi) - ELSEIF(${CMAKE_SYSTEM_NAME} STREQUAL "Darwin") + ELSEIF(${CMAKE_SYSTEM_NAME} STREQUAL "iOS") SET(IOS TRUE) INCLUDE(cross_compiling/ios) ENDIF() -- GitLab