掌機 - Gaviar (小志掌機) - Build xuantie-gnu-toolchain


參考資料：
https://github.com/T-head-Semi/xuantie-gnu-toolchain

步驟如下： 

$ sudo apt-get install autoconf automake autotools-dev curl python3 libmpc-dev libmpfr-dev libgmp-dev gawk build-essential bison flex texinfo gperf libtool patchutils bc zlib1g-dev libexpat-dev

$ cd
$ sudo chmod 0777 /opt/
$ git clone https://github.com/T-head-Semi/xuantie-gnu-toolchain
$ cd xuantie-gnu-toolchain
$ git submodule update --init --recursive
$ ./configure --prefix=/opt/riscv
$ make linux