+if uname -m | egrep -q 'aarch64|arm64'; then
+ export TOOLDIR=aarch64
+elif uname -m | egrep -q 'x86_64|amd64'; then
+ export TOOLDIR=x86_64
+elif uname -m | egrep -q 'mips64'; then
+ export TOOLDIR=mips64el
+else
+ export TOOLDIR=i386
+fi
+export PATH="./tool/$TOOLDIR:$PATH"
+
+