binutils, gdb: Do not expose libbfd or libopcodes, and be multitarget

There are separate derivations for these libraries and we don't want
conflict. Multitarget is generally more useful, and will eventually
speed up cross builds, so why not?!

pkgs/development/tools/misc/gdb/default.nix

@@ -1,18 +1,19 @@
-{ fetchurl, stdenv, ncurses, readline, gmp, mpfr, expat, texinfo, zlib
-, dejagnu, perl, pkgconfig
+{ stdenv
+
+# Build time
+, fetchurl, pkgconfig, perl, texinfo, setupDebugInfoDirs
+
+# Run time
+, ncurses, readline, gmp, mpfr, expat, zlib, dejagnu
 
 , buildPlatform, hostPlatform, targetPlatform
 
 , pythonSupport ? hostPlatform == buildPlatform && !hostPlatform.isCygwin, python ? null
 , guile ? null
 
-# Support all known targets in one gdb binary.
-, multitarget ? false
-
 # Additional dependencies for GNU/Hurd.
 , mig ? null, hurd ? null
 
-, setupDebugInfoDirs
 }:
 
 let
@@ -58,10 +59,16 @@ stdenv.mkDerivation rec {
   configurePlatforms = [ "build" "host" ] ++ stdenv.lib.optional (targetPlatform != hostPlatform) "target";
 
   configureFlags = with stdenv.lib; [
-    "--with-gmp=${gmp.dev}" "--with-mpfr=${mpfr.dev}" "--with-system-readline"
-    "--with-system-zlib" "--with-expat" "--with-libexpat-prefix=${expat.dev}"
-  ] ++ stdenv.lib.optional (!pythonSupport) "--without-python"
-    ++ stdenv.lib.optional multitarget "--enable-targets=all";
+    "--enable-targets=all" "--enable-64-bit-bfd"
+    "--disable-install-libbfd"
+    "--disable-shared" "--enable-static"
+    "--with-system-zlib"
+    "--with-system-readline"
+
+    "--with-gmp=${gmp.dev}"
+    "--with-mpfr=${mpfr.dev}"
+    "--with-expat" "--with-libexpat-prefix=${expat.dev}"
+  ] ++ stdenv.lib.optional (!pythonSupport) "--without-python";
 
   postInstall =
     '' # Remove Info files already provided by Binutils and other packages.