Add license

pkg.info

@@ -1,6 +1,7 @@
 name: libtool
 description: A generic library support script
 version: 2.5.4
+revision: 2
 url: https://www.gnu.org/software/libtool/
 license: GPL2-or-later-with-libtool-exception
 architecture: any

source.sh

@@ -30,4 +30,7 @@ check() {
 package() {
   make DESTDIR="$BPM_OUTPUT" install
   rm -fv "$BPM_OUTPUT"/usr/lib/libltdl.a
+
+  # Install package license
+  install -Dm644 "$BPM_SOURCE"/COPYING "$BPM_OUTPUT"/usr/share/licenses/libtool/COPYING
 }