case "$1" in --libs) ldflags=-llua -llualib for libpath in / /usr /usr/local $HOME; do ls $libpath/lib/liblua.so* >/dev/null 2>&1 && ldflags="-L$libpath/lib $ldflags" && break ls $libpath/lib/liblua.a* >/dev/null 2>&1 && ldflags="-L$libpath/lib $ldflags" && break done; echo $ldflags ;; --cflags) for libpath in / /usr /usr/local $HOME; do if [ -e $libpath/include/lua.h ]; then echo -I$libpath/include break fi done; ;; *) ;; esac;