Use common licence attributes from lib/licenses.nix

Many (less easily automatically converted) old-style strings
remain.

Where there was any possible ambiguity about the exact version or
variant intended, nothing was changed. IANAL, nor a search robot.

Use `with stdenv.lib` wherever it makes sense.

pkgs/development/compilers/ocaml/3.11.2.nix

@@ -41,9 +41,12 @@ stdenv.mkDerivation rec {
     ln -sv $out/lib/ocaml/caml $out/include/caml
   '';
 
-  meta = {
+  meta = with stdenv.lib; {
     homepage = http://caml.inria.fr/ocaml;
-    license = [ "QPL" /* compiler */ "LGPLv2" /* library */ ];
+    license = with licenses; [
+      qpl /* compiler */
+      lgpl2 /* library */
+    ];
     description = "Most popular variant of the Caml language";
 
     longDescription =
@@ -65,7 +68,7 @@ stdenv.mkDerivation rec {
          documentation generator (ocamldoc).
        '';
 
-    platforms = stdenv.lib.platforms.linux ++ stdenv.lib.platforms.darwin;
+    platforms = with platforms; linux ++ darwin;
   };
 
 }

pkgs/development/compilers/ocaml/3.12.1.nix

@@ -34,10 +34,13 @@ stdenv.mkDerivation rec {
     nativeCompilers = useNativeCompilers;
   };
 
-  meta = {
+  meta = with stdenv.lib; {
     homepage = http://caml.inria.fr/ocaml;
     branch = "3.12";
-    license = [ "QPL" /* compiler */ "LGPLv2" /* library */ ];
+    license = with licenses; [
+      qpl /* compiler */
+      lgpl2 /* library */
+    ];
     description = "Most popular variant of the Caml language";
 
     longDescription =
@@ -59,7 +62,7 @@ stdenv.mkDerivation rec {
         and a documentation generator (ocamldoc).
       '';
 
-    platforms = stdenv.lib.platforms.linux ++ stdenv.lib.platforms.darwin;
+    platforms = with platforms; linux ++ darwin;
   };
 
 }

pkgs/development/compilers/ocaml/4.00.1.nix

@@ -33,10 +33,13 @@ stdenv.mkDerivation rec {
     nativeCompilers = useNativeCompilers;
   };
 
-  meta = {
+  meta = with stdenv.lib; {
     homepage = http://caml.inria.fr/ocaml;
     branch = "4.00";
-    license = [ "QPL" /* compiler */ "LGPLv2" /* library */ ];
+    license = with licenses; [
+      qpl /* compiler */
+      lgpl2 /* library */
+    ];
     description = "Most popular variant of the Caml language";
 
     longDescription =
@@ -58,7 +61,7 @@ stdenv.mkDerivation rec {
         and a documentation generator (ocamldoc).
       '';
 
-    platforms = stdenv.lib.platforms.linux ++ stdenv.lib.platforms.darwin;
+    platforms = with platforms; linux ++ darwin;
   };
 
 }

pkgs/development/compilers/ocaml/4.01.0.nix

@@ -48,10 +48,13 @@ stdenv.mkDerivation rec {
     nativeCompilers = useNativeCompilers;
   };
 
-  meta = {
+  meta = with stdenv.lib; {
     homepage = http://caml.inria.fr/ocaml;
     branch = "4.01";
-    license = [ "QPL" /* compiler */ "LGPLv2" /* library */ ];
+    license = with licenses; [
+      qpl /* compiler */
+      lgpl2 /* library */
+    ];
     description = "Most popular variant of the Caml language";
 
     longDescription =
@@ -73,7 +76,7 @@ stdenv.mkDerivation rec {
         and a documentation generator (ocamldoc).
       '';
 
-    platforms = stdenv.lib.platforms.linux ++ stdenv.lib.platforms.darwin;
+    platforms = with platforms; linux ++ darwin;
   };
 
 }

pkgs/development/compilers/ocaml/4.02.1.nix

@@ -44,10 +44,13 @@ stdenv.mkDerivation rec {
     nativeCompilers = useNativeCompilers;
   };
 
-  meta = {
+  meta = with stdenv.lib; {
     homepage = http://caml.inria.fr/ocaml;
     branch = "4.02";
-    license = [ "QPL" /* compiler */ "LGPLv2" /* library */ ];
+    license = with licenses; [
+      qpl /* compiler */
+      lgpl2 /* library */
+    ];
     description = "Most popular variant of the Caml language";
 
     longDescription =
@@ -69,7 +72,7 @@ stdenv.mkDerivation rec {
         and a documentation generator (ocamldoc).
       '';
 
-    platforms = stdenv.lib.platforms.linux ++ stdenv.lib.platforms.darwin;
+    platforms = with platforms; linux ++ darwin;
   };
 
 }

pkgs/development/compilers/ocaml/ber-metaocaml-003.nix

@@ -55,9 +55,16 @@ stdenv.mkDerivation rec {
     cd ..
   '';
 
-  meta = {
+  meta = with stdenv.lib; {
     homepage = "http://okmij.org/ftp/ML/index.html#ber-metaocaml";
-    license = [ "QPL" /* compiler */ "LGPLv2" /* library */ ];
-    description = "A conservative extension of OCaml with the primitive type of code values, and three basic multi-stage expression forms: Brackets, Escape, and Run";
+    license = with licenses; [
+      qpl /* compiler */
+      lgpl2 /* library */
+    ];
+    description = "Conservative extension of OCaml";
+    longDescription = ''
+      A conservative extension of OCaml with the primitive type of code values,
+      and three basic multi-stage expression forms: Brackets, Escape, and Run
+    '';
   };
 }