下載地址：
https://download.csdn.net/download/xuecz1230/12048406
snapdragon_sd_llvm_arm.lnx.3.8_installer_38400.1.tar
sudo mkdir /pkg/qct/software/llvm/release/arm/3.8.4 -p
sudo tar -xvf snapdragon_sd_llvm_arm.lnx.3.8_installer_38400.1.tar
sudo cp Snapdragon_LLVM_ARM_linux_3.8.4.tar.gz /pkg/qct/software/llvm/release/arm/3.8.4/
cd /pkg/qct/software/llvm/release/arm/3.8.4/
sudo tar -zxvf Snapdragon_LLVM_ARM_linux_3.8.4.tar.gz
