newlib: add meta

pkgs/development/misc/newlib/default.nix

@@ -82,4 +82,17 @@ stdenv.mkDerivation (finalAttrs: {
     incdir = "/${stdenv.targetPlatform.config}/include";
     libdir = "/${stdenv.targetPlatform.config}/lib";
   };
+
+  meta = with lib; {
+    description = "a C library intended for use on embedded systems";
+    homepage = "https://sourceware.org/newlib/";
+    # arch has "bsd" while gentoo has "NEWLIB LIBGLOSS GPL-2" while COPYING has "gpl2"
+    # there are 5 copying files in total
+    # COPYING
+    # COPYING.LIB
+    # COPYING.LIBGLOSS
+    # COPYING.NEWLIB
+    # COPYING3
+    license = licenses.gpl2Plus;
+  };
 })