交叉编译openharmony版本的whisper

设置交叉编译器，增加一些flag，具体如下：

cat build-linux.sh
#!/bin/bash
# Debug / Release / RelWithDebInfo
if [[ -z ${BUILD_TYPE} ]];then
#BUILD_TYPE=Release
BUILD_TYPE=Debug
fi
#GCC_COMPILER_PATH=~/linaro/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu/bin/aarch64-linux-gnu
GCC_COMPILER_PATH=/home/tong/arm/arm-gnu-toolchain-14.2.rel1-x86_64-aarch64-none-linux-gnu/bin/aarch64-none-linux-gnu
#GCC_COMPILER_PATH=~/opts/gcc-arm-10.2-2020.11-x86_64-aarch64-none-linux-gnu/bin/aarch64-none-linux-gnu
C_COMPILER=${GCC_COMPILER_PATH}-gcc
CXX_COMPILER=${GCC_COMPILER_PATH}-g++
STRIP_COMPILER=${GCC_COMPILER_PATH}-strip

TARGET_ARCH=aarch64
TARGET_PLATFORM=linux
if [[ -n ${TARGET_ARCH} ]];then
TARGET_PLATFORM=${TARGET_PLATFORM}_${TARGET_ARCH}
fi

ROOT_PWD=$( cd "$( dirname $0 )" && cd -P "$( dirname "$SOURCE" )" && pwd )
BUILD_DIR=${ROOT_PWD}/build/build_${TARGET_PLATFORM}_${BUILD_TYPE}

if [[ ! -d "${BUILD_DIR}" ]]; then
mkdir -p ${BUILD_DIR}
fi

cd ${BUILD_DIR}
cmake ../.. \
-DCMAKE_SYSTEM_PROCESSOR=${TARGET_ARCH} \
-DCMAKE_SYSTEM_NAME=Linux \
-DCMAKE_C_COMPILER=${C_COMPILER} \
-DCMAKE_CXX_COMPILER=${CXX_COMPILER} \
-DCMAKE_BUILD_TYPE=${BUILD_TYPE} \
-DCMAKE_POSITION_INDEPENDENT_CODE=ON \
-DCMAKE_C_FLAGS="-march=armv8-a -mtune=generic-armv8-a -g -O0" \
-DCMAKE_CXX_FLAGS="-march=armv8-a -mtune=generic-armv8-a -g -O0"

make -j4
make install