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CMake/Modules/Platform/Android/Determine-Compiler.cmake

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Simplify CMake per-source license notices Per-source copyright/license notice headers that spell out copyright holder names and years are hard to maintain and often out-of-date or plain wrong. Precise contributor information is already maintained automatically by the version control tool. Ultimately it is the receiver of a file who is responsible for determining its licensing status, and per-source notices are merely a convenience. Therefore it is simpler and more accurate for each source to have a generic notice of the license name and references to more detailed information on copyright holders and full license terms. Our `Copyright.txt` file now contains a list of Contributors whose names appeared source-level copyright notices. It also references version control history for more precise information. Therefore we no longer need to spell out the list of Contributors in each source file notice. Replace CMake per-source copyright/license notice headers with a short description of the license and links to `Copyright.txt` and online information available from "https://cmake.org/licensing". The online URL also handles cases of modules being copied out of our source into other projects, so we can drop our notices about replacing links with full license text. Run the `Utilities/Scripts/filter-notices.bash` script to perform the majority of the replacements mechanically. Manually fix up shebang lines and trailing newlines in a few files. Manually update the notices in a few files that the script does not handle.
2016-09-27 22:01:08 +03:00
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
Android: Add placeholders for platform-specific compiler selection Add infrastructure modules to be loaded for determining a compiler selection when targeting Android platforms.
2016-06-02 17:19:59 +03:00
# This module is shared by multiple languages; use include blocker.
if(__ANDROID_DETERMINE_COMPILER)
return()
endif()
set(__ANDROID_DETERMINE_COMPILER 1)
Android: Suppress new functionality with Nsight Tegra in VS IDE builds Support for NVIDIA Nsight Tegra Visual Studio Edition was previously implemented in the CMake VS IDE generators. Avoid interfering with that functionality for now. Later we may try to integrate this.
2016-06-02 17:24:44 +03:00
# Support for NVIDIA Nsight Tegra Visual Studio Edition was previously
# implemented in the CMake VS IDE generators. Avoid interfering with
# that functionality for now. Later we may try to integrate this.
if(CMAKE_VS_PLATFORM_NAME STREQUAL "Tegra-Android")
macro(__android_determine_compiler lang)
endmacro()
return()
endif()
Android: Avoid interfering with common pre-existing toolchain files Commonly used Android toolchain files that pre-date CMake upstream support may need to be updated to work with our new functionality. They typically set CMAKE_SYSTEM_VERSION to 1, so detect that and skip our upstream Android settings. When such toolchain files are updated to account for our upstream support, they can then set CMAKE_SYSTEM_VERSION to a valid Android API and get new behavior.
2016-06-06 20:56:21 +03:00
# Commonly used Android toolchain files that pre-date CMake upstream support
# set CMAKE_SYSTEM_VERSION to 1. Avoid interfering with them.
if(CMAKE_SYSTEM_VERSION EQUAL 1)
macro(__android_determine_compiler lang)
endmacro()
return()
endif()
Android: Detect and save a toolchain from the NDK
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# Identify the host platform.
if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Darwin")
set(_ANDROID_HOST_EXT "")
elseif(CMAKE_HOST_SYSTEM_NAME STREQUAL "Linux")
set(_ANDROID_HOST_EXT "")
elseif(CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
set(_ANDROID_HOST_EXT ".exe")
else()
message(FATAL_ERROR "Android: Builds hosted on '${CMAKE_HOST_SYSTEM_NAME}' not supported.")
endif()
if(CMAKE_ANDROID_NDK)
include(Platform/Android/Determine-Compiler-NDK)
Android: Detect and save a standalone toolchain without the NDK
2016-06-03 22:06:58 +03:00
elseif(CMAKE_ANDROID_STANDALONE_TOOLCHAIN)
include(Platform/Android/Determine-Compiler-Standalone)
Android: Detect and save a toolchain from the NDK
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else()
set(_ANDROID_TOOL_C_COMPILER "")
set(_ANDROID_TOOL_C_TOOLCHAIN_VERSION "")
set(_ANDROID_TOOL_C_COMPILER_EXTERNAL_TOOLCHAIN "")
set(_ANDROID_TOOL_C_TOOLCHAIN_PREFIX "")
set(_ANDROID_TOOL_C_TOOLCHAIN_SUFFIX "")
set(_ANDROID_TOOL_CXX_COMPILER "")
set(_ANDROID_TOOL_CXX_TOOLCHAIN_VERSION "")
set(_ANDROID_TOOL_CXX_COMPILER_EXTERNAL_TOOLCHAIN "")
set(_ANDROID_TOOL_CXX_TOOLCHAIN_PREFIX "")
set(_ANDROID_TOOL_CXX_TOOLCHAIN_SUFFIX "")
endif()
unset(_ANDROID_HOST_EXT)
Android: Add placeholders for platform-specific compiler selection Add infrastructure modules to be loaded for determining a compiler selection when targeting Android platforms.
2016-06-02 17:19:59 +03:00
macro(__android_determine_compiler lang)
Android: Detect and save a toolchain from the NDK
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if(_ANDROID_TOOL_${lang}_COMPILER)
set(CMAKE_${lang}_COMPILER "${_ANDROID_TOOL_${lang}_COMPILER}")
set(CMAKE_${lang}_COMPILER_EXTERNAL_TOOLCHAIN "${_ANDROID_TOOL_${lang}_COMPILER_EXTERNAL_TOOLCHAIN}")
# Save the Android-specific information in CMake${lang}Compiler.cmake.
set(CMAKE_${lang}_COMPILER_CUSTOM_CODE "
set(CMAKE_${lang}_ANDROID_TOOLCHAIN_VERSION \"${_ANDROID_TOOL_${lang}_TOOLCHAIN_VERSION}\")
set(CMAKE_${lang}_COMPILER_EXTERNAL_TOOLCHAIN \"${_ANDROID_TOOL_${lang}_COMPILER_EXTERNAL_TOOLCHAIN}\")
set(CMAKE_${lang}_ANDROID_TOOLCHAIN_PREFIX \"${_ANDROID_TOOL_${lang}_TOOLCHAIN_PREFIX}\")
set(CMAKE_${lang}_ANDROID_TOOLCHAIN_SUFFIX \"${_ANDROID_TOOL_${lang}_TOOLCHAIN_SUFFIX}\")
")
endif()
Android: Add placeholders for platform-specific compiler selection Add infrastructure modules to be loaded for determining a compiler selection when targeting Android platforms.
2016-06-02 17:19:59 +03:00
endmacro()