#!/bin/bash

appdir=$1

if [ -z "$appdir" ]; then
        echo "usage: $0 <appdir>"
        exit 1
fi

function copylibs() {
        DLLFILE=$1
        echo "Checking: $DLLFILE"
        ldd $DLLFILE | grep '/mingw64/bin' | awk '{print $1}' | uniq | while read line; do
            cp -v /mingw64/bin/$line $appdir
        done
}

find "$appdir" -type f -name '*.dll'  | while read line; do
        copylibs $line
done