fpc: add license + homepage

pkgs/development/compilers/fpc/default.nix

···
   makeFlags = "NOGDB=1 FPC=${startFPC}/bin/fpc";
 
   installFlags = "INSTALL_PREFIX=\${out}";
-  
+
   postInstall = ''
     for i in $out/lib/fpc/*/ppc*; do
       ln -fs $i $out/bin/$(basename $i)
···
     bootstrap = startFPC;
   };
 
-  meta = {
+  meta = with stdenv.lib; {
     description = "Free Pascal Compiler from a source distribution";
-    maintainers = [stdenv.lib.maintainers.raskin];
-    platforms = stdenv.lib.platforms.linux;
+    homepage = https://www.freepascal.org;
+    maintainers = [ maintainers.raskin ];
+    license = with licenses; [ gpl2 lgpl2 ];
+    platforms = platforms.linux;
     inherit version;
   };
 }