diff options
Diffstat (limited to 'Help')
| -rw-r--r-- | Help/manual/cmake-toolchains.7.rst | 60 | ||||
| -rw-r--r-- | Help/manual/cmake-variables.7.rst | 1 | ||||
| -rw-r--r-- | Help/variable/CMAKE_MACOSX_BUNDLE.rst | 3 | ||||
| -rw-r--r-- | Help/variable/IOS.rst | 4 |
4 files changed, 67 insertions, 1 deletions
diff --git a/Help/manual/cmake-toolchains.7.rst b/Help/manual/cmake-toolchains.7.rst index d214e4afc2..ba44b7f21c 100644 --- a/Help/manual/cmake-toolchains.7.rst +++ b/Help/manual/cmake-toolchains.7.rst @@ -556,6 +556,54 @@ command is sufficient: cmake .. -GXcode -DCMAKE_SYSTEM_NAME=iOS +Variable :variable:`CMAKE_OSX_ARCHITECTURES` can be used to set architectures +for both device and simulator. Variable :variable:`CMAKE_OSX_DEPLOYMENT_TARGET` +can be used to set an iOS/tvOS/watchOS deployment target. + +Next configuration will install fat 5 architectures iOS library +and add the ``-miphoneos-version-min=9.3``/``-mios-simulator-version-min=9.3`` +flags to the compiler: + +.. code-block:: console + + $ cmake -S. -B_builds -GXcode \ + -DCMAKE_SYSTEM_NAME=iOS \ + "-DCMAKE_OSX_ARCHITECTURES=armv7;armv7s;arm64;i386;x86_64" \ + -DCMAKE_OSX_DEPLOYMENT_TARGET=9.3 \ + -DCMAKE_INSTALL_PREFIX=`pwd`/_install \ + -DCMAKE_XCODE_ATTRIBUTE_ONLY_ACTIVE_ARCH=NO \ + -DCMAKE_IOS_INSTALL_COMBINED=YES + +Example: + +.. code-block:: cmake + + # CMakeLists.txt + cmake_minimum_required(VERSION 3.14) + project(foo) + add_library(foo foo.cpp) + install(TARGETS foo DESTINATION lib) + +Install: + +.. code-block:: console + + $ cmake --build _builds --config Release --target install + +Check library: + +.. code-block:: console + + $ lipo -info _install/lib/libfoo.a + Architectures in the fat file: _install/lib/libfoo.a are: i386 armv7 armv7s x86_64 arm64 + +.. code-block:: console + + $ otool -l _install/lib/libfoo.a | grep -A2 LC_VERSION_MIN_IPHONEOS + cmd LC_VERSION_MIN_IPHONEOS + cmdsize 16 + version 9.3 + Code Signing ^^^^^^^^^^^^ @@ -592,4 +640,14 @@ Please note that checks made during configuration were performed against the configure-time SDK and might not hold true for other SDKs. Commands like :command:`find_package`, :command:`find_library`, etc. store and use details only for the configured SDK/platform, so they can be problematic -if wanting to switch between device and simulator builds. +if wanting to switch between device and simulator builds. You can follow +the next rules to make device + simulator configuration work: + +- Use explicit ``-l`` linker flag, + e.g. ``target_link_libraries(foo PUBLIC "-lz")`` + +- Use explicit ``-framework`` linker flag, + e.g. ``target_link_libraries(foo PUBLIC "-framework CoreFoundation")`` + +- Use :command:`find_package` only for libraries installed with + :variable:`CMAKE_IOS_INSTALL_COMBINED` feature diff --git a/Help/manual/cmake-variables.7.rst b/Help/manual/cmake-variables.7.rst index 83c88a533c..7609597517 100644 --- a/Help/manual/cmake-variables.7.rst +++ b/Help/manual/cmake-variables.7.rst @@ -259,6 +259,7 @@ Variables that Describe the System /variable/CMAKE_SYSTEM_VERSION /variable/CYGWIN /variable/GHS-MULTI + /variable/IOS /variable/MINGW /variable/MSVC /variable/MSVC10 diff --git a/Help/variable/CMAKE_MACOSX_BUNDLE.rst b/Help/variable/CMAKE_MACOSX_BUNDLE.rst index 0badaf0dae..43ddff517a 100644 --- a/Help/variable/CMAKE_MACOSX_BUNDLE.rst +++ b/Help/variable/CMAKE_MACOSX_BUNDLE.rst @@ -5,3 +5,6 @@ Default value for :prop_tgt:`MACOSX_BUNDLE` of targets. This variable is used to initialize the :prop_tgt:`MACOSX_BUNDLE` property on all the targets. See that target property for additional information. + +This variable is set to ``ON`` by default if :variable:`CMAKE_SYSTEM_NAME` +equals to :ref:`iOS, tvOS or watchOS <Cross Compiling for iOS, tvOS, or watchOS>`. diff --git a/Help/variable/IOS.rst b/Help/variable/IOS.rst new file mode 100644 index 0000000000..e5cc3f69c2 --- /dev/null +++ b/Help/variable/IOS.rst @@ -0,0 +1,4 @@ +IOS +--- + +Set to ``1`` when the target system (:variable:`CMAKE_SYSTEM_NAME`) is ``iOS``. |