2016-06-02 17:23:20 +03:00
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#=============================================================================
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# Copyright 2015-2016 Kitware, Inc.
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#
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# Distributed under the OSI-approved BSD License (the "License");
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# see accompanying file Copyright.txt for details.
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#
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# This software is distributed WITHOUT ANY WARRANTY; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the License for more information.
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#=============================================================================
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# (To distribute this file outside of CMake, substitute the full
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# License text for the above reference.)
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# When CMAKE_SYSTEM_NAME is "Android", CMakeDetermineSystem loads this module.
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2016-06-02 18:16:21 +03:00
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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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2016-06-02 17:24:44 +03:00
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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_VS_PLATFORM_NAME STREQUAL "Tegra-Android")
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return()
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endif()
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2016-06-02 18:16:21 +03:00
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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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" ${CMAKE_ANDROID_NDK}\n"
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"does not exist."
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)
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endif()
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else()
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if(IS_DIRECTORY "$ENV{ANDROID_NDK_ROOT}")
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file(TO_CMAKE_PATH "$ENV{ANDROID_NDK_ROOT}" CMAKE_ANDROID_NDK)
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endif()
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# TODO: Search harder for the NDK.
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endif()
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if(NOT CMAKE_ANDROID_NDK)
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message(FATAL_ERROR "Android: The NDK root directory was not found.")
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endif()
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2016-06-02 18:26:32 +03:00
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# Select an API.
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if(CMAKE_SYSTEM_VERSION)
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set(_ANDROID_API_VAR CMAKE_SYSTEM_VERSION)
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elseif(CMAKE_ANDROID_API)
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set(CMAKE_SYSTEM_VERSION "${CMAKE_ANDROID_API}")
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set(_ANDROID_API_VAR CMAKE_ANDROID_API)
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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(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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2016-06-02 18:16:21 +03:00
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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 \"${CMAKE_ANDROID_NDK}\")
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")
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2016-06-02 18:26:32 +03:00
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# Report the chosen architecture.
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message(STATUS "Android: Targeting API '${CMAKE_SYSTEM_VERSION}'")
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