add packaging script

.gitignore

@@ -9,4 +9,5 @@
 t.*
 
 wfa-go
-benchmark/benchmark
+benchmark/benchmark
+benchmark/binaries

benchmark/packaging.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env sh
+
+CGO_ENABLED=0 gox -os="windows darwin linux" -arch="amd64 arm64" -tags netgo -ldflags '-w -s' -asmflags '-trimpath' \
+    -output "wfa-go_{{.OS}}_{{.Arch}}"
+
+dir=binaries
+mkdir -p $dir;
+rm -rf $dir/$f;
+
+for f in wfa-go_*; do
+    mkdir -p $dir/$f;
+    mv $f $dir/$f;
+    cd $dir/$f;
+    mv $f $(echo $f | perl -pe 's/_[^\.]+//g');
+    tar -zcf $f.tar.gz wfa-go*;
+    mv *.tar.gz ../;
+    cd ..;
+    rm -rf $f;
+    cd ..;
+done;