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      1 # Toolchain config for Android NDK.
      2 # This is expected to be used with a standalone Android toolchain (see
      3 # docs/STANDALONE-TOOLCHAIN.html in the NDK on how to get one).
      4 #
      5 # Usage:
      6 # mkdir build; cd build
      7 # cmake ..; make
      8 # mkdir android; cd android
      9 # cmake -DLLVM_ANDROID_TOOLCHAIN_DIR=/path/to/android/ndk \
     10 #   -DCMAKE_TOOLCHAIN_FILE=../../cmake/platforms/Android.cmake ../..
     11 # make <target>
     12 
     13 SET(CMAKE_SYSTEM_NAME Linux)
     14 
     15 IF(NOT CMAKE_C_COMPILER)
     16  SET(CMAKE_C_COMPILER ${CMAKE_BINARY_DIR}/../bin/clang)
     17 ENDIF()
     18 
     19 IF(NOT CMAKE_CXX_COMPILER)
     20  SET(CMAKE_CXX_COMPILER ${CMAKE_BINARY_DIR}/../bin/clang++)
     21 ENDIF()
     22 
     23 SET(ANDROID "1" CACHE STRING "ANDROID" FORCE)
     24 
     25 SET(ANDROID_COMMON_FLAGS "-target arm-linux-androideabi --sysroot=${LLVM_ANDROID_TOOLCHAIN_DIR}/sysroot -B${LLVM_ANDROID_TOOLCHAIN_DIR} -mllvm -arm-enable-ehabi")
     26 SET(CMAKE_C_FLAGS "${ANDROID_COMMON_FLAGS}" CACHE STRING "toolchain_cflags" FORCE)
     27 SET(CMAKE_CXX_FLAGS "${ANDROID_COMMON_FLAGS}" CACHE STRING "toolchain_cxxflags" FORCE)
     28 SET(CMAKE_LINK_FLAGS "${ANDROID_COMMON_FLAGS}" CACHE STRING "toolchain_linkflags" FORCE)
     29