add toolchains

scripts/build-toolchains.sh

@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+
+# exit script if any command fails
+set -e
+set -o pipefail
+
+unamestr=$(uname)
+RDIR=$(pwd)
+
+if [ $# -ne 0 ]; then
+  TOOLCHAIN=$1
+  if [ $1 == "riscv" ]; then
+    TOOLCHAIN="riscv-tools"
+  elif [ $1 == "hwacha" ]; then
+    TOOLCHAIN="esp-tools"
+  fi
+else
+  TOOLCHAIN="riscv-tools"
+fi
+
+INSTALL_DIR="$TOOLCHAIN-install"
+mkdir -p "$(pwd)/$INSTALL_DIR"
+
+RISCV="$(pwd)/$INSTALL_DIR"
+
+# install risc-v tools
+export RISCV="$RISCV"
+git submodule update --init --recursive toolchains/$TOOLCHAIN #--jobs 8
+cd "toolchains/$TOOLCHAIN"
+export MAKEFLAGS="-j16"
+./build.sh
+cd $RDIR
+
+echo "export RISCV=$RISCV" > env.sh
+echo "export PATH=$RISCV/bin:$RDIR/$DTCversion:\$PATH" >> env.sh
+echo "export LD_LIBRARY_PATH=$RISCV/lib" >> env.sh
+echo "Toolchain Build Complete!"