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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
# This module is shared by multiple languages; use include blocker.
if(__ANDROID_COMPILER_CLANG)
return()
endif()
set(__ANDROID_COMPILER_CLANG 1)
# Include the NDK hook.
# It can be used by NDK to inject necessary fixes for an earlier cmake.
if(CMAKE_ANDROID_NDK)
include(${CMAKE_ANDROID_NDK}/build/cmake/hooks/pre/Android-Clang.cmake OPTIONAL)
endif()
# Load flags from NDK. This file may provides the following variables:
# _ANDROID_NDK_INIT_CFLAGS
# _ANDROID_NDK_INIT_CFLAGS_DEBUG
# _ANDROID_NDK_INIT_CFLAGS_RELEASE
# _ANDROID_NDK_INIT_LDFLAGS
# _ANDROID_NDK_INIT_LDFLAGS_EXE
if(CMAKE_ANDROID_NDK)
include(${CMAKE_ANDROID_NDK}/build/cmake/flags.cmake OPTIONAL
RESULT_VARIABLE _INCLUDED_FLAGS)
endif()
# 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_compiler_clang lang)
endmacro()
return()
endif()
# 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_compiler_clang lang)
endmacro()
return()
endif()
# Natively compiling on an Android host doesn't use the NDK cross-compilation
# tools.
if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Android")
macro(__android_compiler_clang lang)
endmacro()
return()
endif()
include(Platform/Android-Common)
if(_INCLUDED_FLAGS)
# NDK provides the flags.
set(_ANDROID_ABI_INIT_CFLAGS "${_ANDROID_NDK_INIT_CFLAGS}")
set(_ANDROID_ABI_INIT_CFLAGS_DEBUG "${_ANDROID_NDK_INIT_CFLAGS_DEBUG}")
set(_ANDROID_ABI_INIT_CFLAGS_RELEASE "${_ANDROID_NDK_INIT_CFLAGS_RELEASE}")
set(_ANDROID_ABI_INIT_LDFLAGS "${_ANDROID_NDK_INIT_LDFLAGS}")
set(_ANDROID_ABI_INIT_EXE_LDFLAGS "${_ANDROID_NDK_INIT_LDFLAGS_EXE}")
else()
# The NDK toolchain configuration files at:
#
# <ndk>/[build/core/]toolchains/*-clang*/setup.mk
#
# contain logic to set LLVM_TRIPLE for Clang-based toolchains for each target.
# We need to produce the same target here to produce compatible binaries.
include(Platform/Android/abi-${CMAKE_ANDROID_ARCH_ABI}-Clang)
endif()
macro(__android_compiler_clang lang)
if(NOT "x${lang}" STREQUAL "xASM")
__android_compiler_common(${lang})
endif()
if(NOT CMAKE_${lang}_COMPILER_TARGET)
set(CMAKE_${lang}_COMPILER_TARGET "${CMAKE_ANDROID_ARCH_LLVM_TRIPLE}")
if(CMAKE_ANDROID_NDK_TOOLCHAIN_UNIFIED)
string(APPEND CMAKE_${lang}_COMPILER_TARGET "${CMAKE_SYSTEM_VERSION}")
endif()
list(APPEND CMAKE_${lang}_COMPILER_PREDEFINES_COMMAND "--target=${CMAKE_${lang}_COMPILER_TARGET}")
endif()
if(CMAKE_GENERATOR MATCHES "Visual Studio")
set(_ANDROID_STL_NOSTDLIBXX 1)
endif()
endmacro()
# Include the NDK hook.
# It can be used by NDK to inject necessary fixes for an earlier cmake.
if(CMAKE_ANDROID_NDK)
include(${CMAKE_ANDROID_NDK}/build/cmake/hooks/post/Android-Clang.cmake OPTIONAL)
endif()
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