Mac交叉编译Android版本的OpenBlas

if [ $# -ne 1 ];
then
    echo "$0 /path/to/ndk/"
    echo "e.g. $0 ~/Library/Android/sdk/ndk/21.4.7075529/"
    exit
fi
export NDK=$1
echo "NDK path: $NDK"
export TOOLCHAIN=$NDK/toolchains/llvm/prebuilt/darwin-x86_64
echo "TOOLCHAIN path: $TOOLCHAIN"
installDir=./installOpenBlas
rm -rf ${installDir}
echo "remove last time ${installDir}"
# target 请看下面网址
# https://github.com/xianyi/OpenBLAS/blob/develop/TargetList.txt 
for target in ARMV7 ARMV8 CORTEXA53
do
    make clean
    echo "make target=$target"
    if [ $target = ARMV7 ]
    then
        strCC="$TOOLCHAIN"/bin/armv7a-linux-androideabi21-clang
        strAR="$TOOLCHAIN"/bin/arm-linux-androideabi-ar
    else
        strCC=$TOOLCHAIN/bin/aarch64-linux-android21-clang
        strAR=$TOOLCHAIN/bin/aarch64-linux-android-ar
    fi                 
    make TARGET=$target USE_THREAD=0 NOFORTRAN=1 ONLY_CBLAS=1 CC="$strCC" AR="$strAR" HOSTCC=gcc ARM_SOFTFP_ABI=1 -j4
    echo "make install target=$target"
    make PREFIX=${installDir}/${target} install
done
echo "Done! libs in `pwd`$installDir"