mirror of
https://github.com/reactos/CMake.git
synced 2024-12-08 11:56:25 +00:00
379 lines
15 KiB
CMake
379 lines
15 KiB
CMake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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# When CMAKE_SYSTEM_NAME is "Android", CMakeDetermineSystem loads this module.
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# This module detects platform-wide information about the Android target
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# in order to store it in "CMakeSystem.cmake".
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# Support for NVIDIA Nsight Tegra Visual Studio Edition was previously
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# implemented in the CMake VS IDE generators. Avoid interfering with
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# that functionality for now. Later we may try to integrate this.
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if(CMAKE_GENERATOR MATCHES "Visual Studio")
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return()
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endif()
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# Commonly used Android toolchain files that pre-date CMake upstream support
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# set CMAKE_SYSTEM_VERSION to 1. Avoid interfering with them.
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if(CMAKE_SYSTEM_VERSION EQUAL 1)
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return()
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endif()
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cmake_policy(PUSH)
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cmake_policy(SET CMP0057 NEW) # if IN_LIST
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# If the user provided CMAKE_SYSROOT for us, extract information from it.
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set(_ANDROID_SYSROOT_NDK "")
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set(_ANDROID_SYSROOT_API "")
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set(_ANDROID_SYSROOT_ARCH "")
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set(_ANDROID_SYSROOT_STANDALONE_TOOLCHAIN "")
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if(CMAKE_SYSROOT)
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if(NOT IS_DIRECTORY "${CMAKE_SYSROOT}")
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message(FATAL_ERROR
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"Android: The specified CMAKE_SYSROOT:\n"
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" ${CMAKE_SYSROOT}\n"
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"is not an existing directory."
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)
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endif()
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if(CMAKE_SYSROOT MATCHES "^([^\\\n]*)/platforms/android-([0-9]+)/arch-([a-z0-9_]+)$")
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set(_ANDROID_SYSROOT_NDK "${CMAKE_MATCH_1}")
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set(_ANDROID_SYSROOT_API "${CMAKE_MATCH_2}")
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set(_ANDROID_SYSROOT_ARCH "${CMAKE_MATCH_3}")
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elseif(CMAKE_SYSROOT MATCHES "^([^\\\n]*)/sysroot$")
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set(_ANDROID_SYSROOT_STANDALONE_TOOLCHAIN "${CMAKE_MATCH_1}")
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else()
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message(FATAL_ERROR
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"The value of CMAKE_SYSROOT:\n"
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" ${CMAKE_SYSROOT}\n"
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"does not match any of the forms:\n"
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" <ndk>/platforms/android-<api>/arch-<arch>\n"
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" <standalone-toolchain>/sysroot\n"
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"where:\n"
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" <ndk> = Android NDK directory (with forward slashes)\n"
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" <api> = Android API version number (decimal digits)\n"
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" <arch> = Android ARCH name (lower case)\n"
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" <standalone-toolchain> = Path to standalone toolchain prefix\n"
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)
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endif()
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endif()
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# Find the Android NDK.
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if(CMAKE_ANDROID_NDK)
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if(NOT IS_DIRECTORY "${CMAKE_ANDROID_NDK}")
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message(FATAL_ERROR
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"Android: The NDK root directory specified by CMAKE_ANDROID_NDK:\n"
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" ${CMAKE_ANDROID_NDK}\n"
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"does not exist."
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)
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endif()
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elseif(CMAKE_ANDROID_STANDALONE_TOOLCHAIN)
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if(NOT IS_DIRECTORY "${CMAKE_ANDROID_STANDALONE_TOOLCHAIN}")
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message(FATAL_ERROR
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"Android: The standalone toolchain directory specified by CMAKE_ANDROID_STANDALONE_TOOLCHAIN:\n"
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" ${CMAKE_ANDROID_STANDALONE_TOOLCHAIN}\n"
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"does not exist."
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)
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endif()
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if(NOT EXISTS "${CMAKE_ANDROID_STANDALONE_TOOLCHAIN}/sysroot/usr/include/android/api-level.h")
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message(FATAL_ERROR
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"Android: The standalone toolchain directory specified by CMAKE_ANDROID_STANDALONE_TOOLCHAIN:\n"
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" ${CMAKE_ANDROID_STANDALONE_TOOLCHAIN}\n"
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"does not contain a sysroot with a known layout. The file:\n"
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" ${CMAKE_ANDROID_STANDALONE_TOOLCHAIN}/sysroot/usr/include/android/api-level.h\n"
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"does not exist."
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)
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endif()
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else()
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if(IS_DIRECTORY "${_ANDROID_SYSROOT_NDK}")
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set(CMAKE_ANDROID_NDK "${_ANDROID_SYSROOT_NDK}")
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elseif(IS_DIRECTORY "${_ANDROID_SYSROOT_STANDALONE_TOOLCHAIN}")
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set(CMAKE_ANDROID_STANDALONE_TOOLCHAIN "${_ANDROID_SYSROOT_STANDALONE_TOOLCHAIN}")
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elseif(IS_DIRECTORY "${ANDROID_NDK}")
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file(TO_CMAKE_PATH "${ANDROID_NDK}" CMAKE_ANDROID_NDK)
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elseif(IS_DIRECTORY "${ANDROID_STANDALONE_TOOLCHAIN}")
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file(TO_CMAKE_PATH "${ANDROID_STANDALONE_TOOLCHAIN}" CMAKE_ANDROID_STANDALONE_TOOLCHAIN)
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elseif(IS_DIRECTORY "$ENV{ANDROID_NDK_ROOT}")
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file(TO_CMAKE_PATH "$ENV{ANDROID_NDK_ROOT}" CMAKE_ANDROID_NDK)
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elseif(IS_DIRECTORY "$ENV{ANDROID_NDK}")
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file(TO_CMAKE_PATH "$ENV{ANDROID_NDK}" CMAKE_ANDROID_NDK)
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elseif(IS_DIRECTORY "$ENV{ANDROID_STANDALONE_TOOLCHAIN}")
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file(TO_CMAKE_PATH "$ENV{ANDROID_STANDALONE_TOOLCHAIN}" CMAKE_ANDROID_STANDALONE_TOOLCHAIN)
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endif()
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# TODO: Search harder for the NDK or standalone toolchain.
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endif()
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set(_ANDROID_STANDALONE_TOOLCHAIN_API "")
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if(CMAKE_ANDROID_STANDALONE_TOOLCHAIN)
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# Try to read the API level from the toolchain launcher.
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if(EXISTS "${CMAKE_ANDROID_STANDALONE_TOOLCHAIN}/bin/clang")
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set(_ANDROID_API_LEVEL_CLANG_REGEX "__ANDROID_API__=([0-9]+)")
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file(STRINGS "${CMAKE_ANDROID_STANDALONE_TOOLCHAIN}/bin/clang" _ANDROID_STANDALONE_TOOLCHAIN_BIN_CLANG
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REGEX "${_ANDROID_API_LEVEL_CLANG_REGEX}" LIMIT_COUNT 1 LIMIT_INPUT 65536)
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if(_ANDROID_STANDALONE_TOOLCHAIN_BIN_CLANG MATCHES "${_ANDROID_API_LEVEL_CLANG_REGEX}")
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set(_ANDROID_STANDALONE_TOOLCHAIN_API "${CMAKE_MATCH_1}")
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endif()
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unset(_ANDROID_STANDALONE_TOOLCHAIN_BIN_CLANG)
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unset(_ANDROID_API_LEVEL_CLANG_REGEX)
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endif()
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if(NOT _ANDROID_STANDALONE_TOOLCHAIN_API)
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# The compiler launcher does not know __ANDROID_API__. Assume this
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# is not unified headers and look for it in the api-level.h header.
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set(_ANDROID_API_LEVEL_H_REGEX "^[\t ]*#[\t ]*define[\t ]+__ANDROID_API__[\t ]+([0-9]+)")
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file(STRINGS "${CMAKE_ANDROID_STANDALONE_TOOLCHAIN}/sysroot/usr/include/android/api-level.h"
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_ANDROID_API_LEVEL_H_CONTENT REGEX "${_ANDROID_API_LEVEL_H_REGEX}")
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if(_ANDROID_API_LEVEL_H_CONTENT MATCHES "${_ANDROID_API_LEVEL_H_REGEX}")
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set(_ANDROID_STANDALONE_TOOLCHAIN_API "${CMAKE_MATCH_1}")
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endif()
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endif()
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if(NOT _ANDROID_STANDALONE_TOOLCHAIN_API)
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message(WARNING
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"Android: Did not detect API level from\n"
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" ${CMAKE_ANDROID_STANDALONE_TOOLCHAIN}/bin/clang\n"
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"or\n"
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" ${CMAKE_ANDROID_STANDALONE_TOOLCHAIN}/sysroot/usr/include/android/api-level.h\n"
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)
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endif()
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endif()
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if(NOT CMAKE_ANDROID_NDK AND NOT CMAKE_ANDROID_STANDALONE_TOOLCHAIN)
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message(FATAL_ERROR "Android: Neither the NDK or a standalone toolchain was found.")
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endif()
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# Select an API.
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if(CMAKE_SYSTEM_VERSION)
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set(_ANDROID_API_VAR CMAKE_SYSTEM_VERSION)
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elseif(CMAKE_ANDROID_API)
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set(CMAKE_SYSTEM_VERSION "${CMAKE_ANDROID_API}")
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set(_ANDROID_API_VAR CMAKE_ANDROID_API)
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elseif(_ANDROID_SYSROOT_API)
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set(CMAKE_SYSTEM_VERSION "${_ANDROID_SYSROOT_API}")
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set(_ANDROID_API_VAR CMAKE_SYSROOT)
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elseif(_ANDROID_STANDALONE_TOOLCHAIN_API)
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set(CMAKE_SYSTEM_VERSION "${_ANDROID_STANDALONE_TOOLCHAIN_API}")
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endif()
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if(CMAKE_SYSTEM_VERSION)
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if(CMAKE_ANDROID_API AND NOT "x${CMAKE_ANDROID_API}" STREQUAL "x${CMAKE_SYSTEM_VERSION}")
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message(FATAL_ERROR
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"Android: The API specified by CMAKE_ANDROID_API='${CMAKE_ANDROID_API}' is not consistent with CMAKE_SYSTEM_VERSION='${CMAKE_SYSTEM_VERSION}'."
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)
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endif()
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if(_ANDROID_SYSROOT_API)
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foreach(v CMAKE_ANDROID_API CMAKE_SYSTEM_VERSION)
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if(${v} AND NOT "x${_ANDROID_SYSROOT_API}" STREQUAL "x${${v}}")
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message(FATAL_ERROR
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"Android: The API specified by ${v}='${${v}}' is not consistent with CMAKE_SYSROOT:\n"
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" ${CMAKE_SYSROOT}"
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)
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endif()
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endforeach()
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endif()
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if(CMAKE_ANDROID_NDK AND NOT IS_DIRECTORY "${CMAKE_ANDROID_NDK}/platforms/android-${CMAKE_SYSTEM_VERSION}")
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message(FATAL_ERROR
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"Android: The API specified by ${_ANDROID_API_VAR}='${${_ANDROID_API_VAR}}' does not exist in the NDK. "
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"The directory:\n"
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" ${CMAKE_ANDROID_NDK}/platforms/android-${CMAKE_SYSTEM_VERSION}\n"
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"does not exist."
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)
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endif()
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elseif(CMAKE_ANDROID_NDK)
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file(GLOB _ANDROID_APIS_1 RELATIVE "${CMAKE_ANDROID_NDK}/platforms" "${CMAKE_ANDROID_NDK}/platforms/android-[0-9]")
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file(GLOB _ANDROID_APIS_2 RELATIVE "${CMAKE_ANDROID_NDK}/platforms" "${CMAKE_ANDROID_NDK}/platforms/android-[0-9][0-9]")
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list(SORT _ANDROID_APIS_1)
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list(SORT _ANDROID_APIS_2)
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set(_ANDROID_APIS ${_ANDROID_APIS_1} ${_ANDROID_APIS_2})
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unset(_ANDROID_APIS_1)
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unset(_ANDROID_APIS_2)
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if(_ANDROID_APIS STREQUAL "")
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message(FATAL_ERROR
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"Android: No APIs found in the NDK. No\n"
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" ${CMAKE_ANDROID_NDK}/platforms/android-*\n"
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"directories exist."
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)
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endif()
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string(REPLACE "android-" "" _ANDROID_APIS "${_ANDROID_APIS}")
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list(REVERSE _ANDROID_APIS)
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list(GET _ANDROID_APIS 0 CMAKE_SYSTEM_VERSION)
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unset(_ANDROID_APIS)
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endif()
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if(NOT CMAKE_SYSTEM_VERSION MATCHES "^[0-9]+$")
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message(FATAL_ERROR "Android: The API specified by CMAKE_SYSTEM_VERSION='${CMAKE_SYSTEM_VERSION}' is not an integer.")
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endif()
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# https://developer.android.com/ndk/guides/abis.html
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set(_ANDROID_ABI_arm64-v8a_PROC "aarch64")
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set(_ANDROID_ABI_arm64-v8a_ARCH "arm64")
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set(_ANDROID_ABI_arm64-v8a_HEADER "aarch64-linux-android")
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set(_ANDROID_ABI_armeabi-v7a_PROC "armv7-a")
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set(_ANDROID_ABI_armeabi-v7a_ARCH "arm")
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set(_ANDROID_ABI_armeabi-v7a_HEADER "arm-linux-androideabi")
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set(_ANDROID_ABI_armeabi-v6_PROC "armv6")
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set(_ANDROID_ABI_armeabi-v6_ARCH "arm")
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set(_ANDROID_ABI_armeabi-v6_HEADER "arm-linux-androideabi")
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set(_ANDROID_ABI_armeabi_PROC "armv5te")
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set(_ANDROID_ABI_armeabi_ARCH "arm")
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set(_ANDROID_ABI_armeabi_HEADER "arm-linux-androideabi")
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set(_ANDROID_ABI_mips_PROC "mips")
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set(_ANDROID_ABI_mips_ARCH "mips")
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set(_ANDROID_ABI_mips_HEADER "mipsel-linux-android")
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set(_ANDROID_ABI_mips64_PROC "mips64")
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set(_ANDROID_ABI_mips64_ARCH "mips64")
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set(_ANDROID_ABI_mips64_HEADER "mips64el-linux-android")
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set(_ANDROID_ABI_x86_PROC "i686")
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set(_ANDROID_ABI_x86_ARCH "x86")
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set(_ANDROID_ABI_x86_HEADER "i686-linux-android")
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set(_ANDROID_ABI_x86_64_PROC "x86_64")
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set(_ANDROID_ABI_x86_64_ARCH "x86_64")
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set(_ANDROID_ABI_x86_64_HEADER "x86_64-linux-android")
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set(_ANDROID_PROC_aarch64_ARCH_ABI "arm64-v8a")
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set(_ANDROID_PROC_armv7-a_ARCH_ABI "armeabi-v7a")
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set(_ANDROID_PROC_armv6_ARCH_ABI "armeabi-v6")
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set(_ANDROID_PROC_armv5te_ARCH_ABI "armeabi")
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set(_ANDROID_PROC_i686_ARCH_ABI "x86")
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set(_ANDROID_PROC_mips_ARCH_ABI "mips")
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set(_ANDROID_PROC_mips64_ARCH_ABI "mips64")
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set(_ANDROID_PROC_x86_64_ARCH_ABI "x86_64")
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set(_ANDROID_ARCH_arm64_ABI "arm64-v8a")
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set(_ANDROID_ARCH_arm_ABI "armeabi")
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set(_ANDROID_ARCH_mips_ABI "mips")
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set(_ANDROID_ARCH_mips64_ABI "mips64")
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set(_ANDROID_ARCH_x86_ABI "x86")
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set(_ANDROID_ARCH_x86_64_ABI "x86_64")
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# Validate inputs.
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if(CMAKE_ANDROID_ARCH_ABI AND NOT DEFINED "_ANDROID_ABI_${CMAKE_ANDROID_ARCH_ABI}_PROC")
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message(FATAL_ERROR "Android: Unknown ABI CMAKE_ANDROID_ARCH_ABI='${CMAKE_ANDROID_ARCH_ABI}'.")
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endif()
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if(CMAKE_SYSTEM_PROCESSOR AND NOT DEFINED "_ANDROID_PROC_${CMAKE_SYSTEM_PROCESSOR}_ARCH_ABI")
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message(FATAL_ERROR "Android: Unknown processor CMAKE_SYSTEM_PROCESSOR='${CMAKE_SYSTEM_PROCESSOR}'.")
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endif()
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if(_ANDROID_SYSROOT_ARCH AND NOT DEFINED "_ANDROID_ARCH_${_ANDROID_SYSROOT_ARCH}_ABI")
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message(FATAL_ERROR
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"Android: Unknown architecture '${_ANDROID_SYSROOT_ARCH}' specified in CMAKE_SYSROOT:\n"
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" ${CMAKE_SYSROOT}"
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)
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endif()
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# Select an ABI.
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if(NOT CMAKE_ANDROID_ARCH_ABI)
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if(CMAKE_SYSTEM_PROCESSOR)
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set(CMAKE_ANDROID_ARCH_ABI "${_ANDROID_PROC_${CMAKE_SYSTEM_PROCESSOR}_ARCH_ABI}")
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elseif(_ANDROID_SYSROOT_ARCH)
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set(CMAKE_ANDROID_ARCH_ABI "${_ANDROID_ARCH_${_ANDROID_SYSROOT_ARCH}_ABI}")
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else()
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# https://developer.android.com/ndk/guides/application_mk.html
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# Default is the oldest ARM ABI.
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# Lookup the available ABIs among all toolchains.
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set(_ANDROID_ABIS "")
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file(GLOB _ANDROID_CONFIG_MKS
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"${CMAKE_ANDROID_NDK}/build/core/toolchains/*/config.mk"
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"${CMAKE_ANDROID_NDK}/toolchains/*/config.mk"
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)
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foreach(config_mk IN LISTS _ANDROID_CONFIG_MKS)
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file(STRINGS "${config_mk}" _ANDROID_TOOL_ABIS REGEX "^TOOLCHAIN_ABIS :=")
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string(REPLACE "TOOLCHAIN_ABIS :=" "" _ANDROID_TOOL_ABIS "${_ANDROID_TOOL_ABIS}")
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separate_arguments(_ANDROID_TOOL_ABIS UNIX_COMMAND "${_ANDROID_TOOL_ABIS}")
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list(APPEND _ANDROID_ABIS ${_ANDROID_TOOL_ABIS})
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unset(_ANDROID_TOOL_ABIS)
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endforeach()
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unset(_ANDROID_CONFIG_MKS)
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# Choose the oldest among the available arm ABIs.
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if(_ANDROID_ABIS)
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list(REMOVE_DUPLICATES _ANDROID_ABIS)
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cmake_policy(PUSH)
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cmake_policy(SET CMP0057 NEW)
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foreach(abi armeabi armeabi-v7a arm64-v8a)
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if("${abi}" IN_LIST _ANDROID_ABIS)
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set(CMAKE_ANDROID_ARCH_ABI "${abi}")
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break()
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endif()
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endforeach()
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cmake_policy(POP)
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endif()
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unset(_ANDROID_ABIS)
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if(NOT CMAKE_ANDROID_ARCH_ABI)
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set(CMAKE_ANDROID_ARCH_ABI "armeabi")
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endif()
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endif()
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endif()
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set(CMAKE_ANDROID_ARCH "${_ANDROID_ABI_${CMAKE_ANDROID_ARCH_ABI}_ARCH}")
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if(_ANDROID_SYSROOT_ARCH AND NOT "x${_ANDROID_SYSROOT_ARCH}" STREQUAL "x${CMAKE_ANDROID_ARCH}")
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message(FATAL_ERROR
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"Android: Architecture '${_ANDROID_SYSROOT_ARCH}' specified in CMAKE_SYSROOT:\n"
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" ${CMAKE_SYSROOT}\n"
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"does not match architecture '${CMAKE_ANDROID_ARCH}' for the ABI '${CMAKE_ANDROID_ARCH_ABI}'."
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)
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endif()
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set(CMAKE_ANDROID_ARCH_HEADER_TRIPLE "${_ANDROID_ABI_${CMAKE_ANDROID_ARCH_ABI}_HEADER}")
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# Select a processor.
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if(NOT CMAKE_SYSTEM_PROCESSOR)
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set(CMAKE_SYSTEM_PROCESSOR "${_ANDROID_ABI_${CMAKE_ANDROID_ARCH_ABI}_PROC}")
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endif()
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# If the user specified both an ABI and a processor then they might not match.
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if(NOT _ANDROID_ABI_${CMAKE_ANDROID_ARCH_ABI}_PROC STREQUAL CMAKE_SYSTEM_PROCESSOR)
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message(FATAL_ERROR "Android: The specified CMAKE_ANDROID_ARCH_ABI='${CMAKE_ANDROID_ARCH_ABI}' and CMAKE_SYSTEM_PROCESSOR='${CMAKE_SYSTEM_PROCESSOR}' is not a valid combination.")
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endif()
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if(CMAKE_ANDROID_NDK AND NOT DEFINED CMAKE_ANDROID_NDK_DEPRECATED_HEADERS)
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if(IS_DIRECTORY "${CMAKE_ANDROID_NDK}/sysroot/usr/include/${CMAKE_ANDROID_ARCH_HEADER_TRIPLE}")
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# Unified headers exist so we use them by default.
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set(CMAKE_ANDROID_NDK_DEPRECATED_HEADERS 0)
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else()
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# Unified headers do not exist so use the deprecated headers.
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set(CMAKE_ANDROID_NDK_DEPRECATED_HEADERS 1)
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endif()
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endif()
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# Save the Android-specific information in CMakeSystem.cmake.
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set(CMAKE_SYSTEM_CUSTOM_CODE "
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set(CMAKE_ANDROID_NDK \"${CMAKE_ANDROID_NDK}\")
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set(CMAKE_ANDROID_STANDALONE_TOOLCHAIN \"${CMAKE_ANDROID_STANDALONE_TOOLCHAIN}\")
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set(CMAKE_ANDROID_ARCH \"${CMAKE_ANDROID_ARCH}\")
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set(CMAKE_ANDROID_ARCH_ABI \"${CMAKE_ANDROID_ARCH_ABI}\")
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")
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if(CMAKE_ANDROID_NDK)
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string(APPEND CMAKE_SYSTEM_CUSTOM_CODE
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"set(CMAKE_ANDROID_ARCH_HEADER_TRIPLE \"${CMAKE_ANDROID_ARCH_HEADER_TRIPLE}\")\n"
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"set(CMAKE_ANDROID_NDK_DEPRECATED_HEADERS \"${CMAKE_ANDROID_NDK_DEPRECATED_HEADERS}\")\n"
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)
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endif()
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# Select an ARM variant.
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if(CMAKE_ANDROID_ARCH_ABI MATCHES "^armeabi")
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if(CMAKE_ANDROID_ARM_MODE)
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set(CMAKE_ANDROID_ARM_MODE 1)
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|
else()
|
|
set(CMAKE_ANDROID_ARM_MODE 0)
|
|
endif()
|
|
string(APPEND CMAKE_SYSTEM_CUSTOM_CODE
|
|
"set(CMAKE_ANDROID_ARM_MODE \"${CMAKE_ANDROID_ARM_MODE}\")\n"
|
|
)
|
|
elseif(DEFINED CMAKE_ANDROID_ARM_MODE)
|
|
message(FATAL_ERROR "Android: CMAKE_ANDROID_ARM_MODE is set but is valid only for 'armeabi' architectures.")
|
|
endif()
|
|
|
|
if(CMAKE_ANDROID_ARCH_ABI STREQUAL "armeabi-v7a")
|
|
if(CMAKE_ANDROID_ARM_NEON)
|
|
set(CMAKE_ANDROID_ARM_NEON 1)
|
|
else()
|
|
set(CMAKE_ANDROID_ARM_NEON 0)
|
|
endif()
|
|
string(APPEND CMAKE_SYSTEM_CUSTOM_CODE
|
|
"set(CMAKE_ANDROID_ARM_NEON \"${CMAKE_ANDROID_ARM_NEON}\")\n"
|
|
)
|
|
elseif(DEFINED CMAKE_ANDROID_ARM_NEON)
|
|
message(FATAL_ERROR "Android: CMAKE_ANDROID_ARM_NEON is set but is valid only for 'armeabi-v7a' architecture.")
|
|
endif()
|
|
|
|
# Report the chosen architecture.
|
|
message(STATUS "Android: Targeting API '${CMAKE_SYSTEM_VERSION}' with architecture '${CMAKE_ANDROID_ARCH}', ABI '${CMAKE_ANDROID_ARCH_ABI}', and processor '${CMAKE_SYSTEM_PROCESSOR}'")
|
|
|
|
cmake_policy(POP)
|