PKGBUILD: update license

..and add dependencies for linking against
different Lua engines.

PKGBUILD

@@ -1,19 +1,29 @@
 # Maintainer: Emil Renner Berthing <esmil@mailme.dk>
 
+_lua='builtin'
+#_lua='lua'
+#_lua='lua5.1' # works, but not recommended
+#_lua='luajit'
+
 pkgname=lem
 pkgver=0.3
 pkgrel=1
 pkgdesc='A Lua Event Machine'
 arch=('i686' 'x86_64' 'armv5tel' 'armv7l')
 url='https://github.com/esmil/lem'
-license=('GPL')
-depends=('glibc')
+license=('LGPL')
+case "$_lua" in
+builtin) depends=('glibc');;
+lua)     depends=('lua');;
+lua5.1)  depends=('lua51');;
+luajit)  depends=('luajit');;
+esac
 source=()
 
 build() {
   cd "$startdir"
 
-  ./configure --prefix=/usr --with-lua=builtin
+  ./configure --prefix=/usr --with-lua=$_lua
   make
 }