fix #45

ssc

@@ -59,7 +59,10 @@ if [ -n "$SHOW_USAGE" -o  $# != 2 ]; then
   exit 0
 fi
 
-SRC_DIR="$(dirname "$0")/src"
+SSC_PATH="$0"
+[ "${SSC_PATH#*/}" = "$SSC_PATH" ] && SSC_PATH="$(command -v "$SSC_PATH")"
+SRC_DIR="$(dirname "$(realpath "$SSC_PATH")")/src"
+
 [ -z "$CXX"   ] && CXX=${CROSS_COMPILE}g++
 [ -z "$LD"    ] && LD=${CROSS_COMPILE}ld
 [ -z "$STRIP" ] && STRIP=${CROSS_COMPILE}strip