Fix dependencies and add license

pkg.info

@@ -1,10 +1,9 @@
 name: libpipeline
 description: C library for manipulating pipelines of subprocesses in a flexible and convenient way
 version: 1.5.7
-revision: 2
+revision: 3
 url: https://libpipeline.nongnu.org/
 license: GPL3-or-later
 architecture: any
 depends: ["glibc"]
-make_depends: ["bash","binutils","coreutils","diffutils","gawk","gcc","glibc","grep","make","sed","texinfo"]
 type: source

source.sh

@@ -29,4 +29,7 @@ check() {
 # This function is used to move the compiled files into the output directory
 package() {
   make DESTDIR="$BPM_OUTPUT" install
+
+  # Install package license
+  install -Dm644 "$BPM_SOURCE"/COPYING "$BPM_OUTPUT"/usr/share/licenses/libpipeline/COPYING
 }