binutils: use shared libs

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

@@ -1,18 +1,23 @@
-{ stdenv, buildPackages
+{ stdenv, lib, buildPackages
 , fetchurl, zlib, autoreconfHook264
+# Enabling all targets increases output size to a multiple.
+, withAllTargets ? false, libbfd, libopcodes
+, enableShared ? true
 , noSysDirs, gold ? true, bison ? null
 }:
 
 let
+  reuseLibs = enableShared && withAllTargets;
+
   # Remove gold-symbol-visibility patch when updating, the proper fix
   # is now upstream.
   # https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=commitdiff;h=330b90b5ffbbc20c5de6ae6c7f60c40fab2e7a4f;hp=99181ccac0fc7d82e7dabb05dc7466e91f1645d3
   version = "2.30";
   basename = "binutils-${version}";
-  inherit (stdenv.lib) optionals optionalString;
   # The targetPrefix prepended to binary names to allow multiple binuntils on the
   # PATH to both be usable.
-  targetPrefix = optionalString (stdenv.targetPlatform != stdenv.hostPlatform) "${stdenv.targetPlatform.config}-";
+  targetPrefix = lib.optionalString (stdenv.targetPlatform != stdenv.hostPlatform)
+                  "${stdenv.targetPlatform.config}-";
 in
 
 stdenv.mkDerivation rec {
@@ -64,14 +69,14 @@ stdenv.mkDerivation rec {
     # be satisfied on aarch64 platform. Add backported fix from bugzilla.
     # https://sourceware.org/bugzilla/show_bug.cgi?id=22764
     ./relax-R_AARCH64_ABS32-R_AARCH64_ABS16-absolute.patch
-  ] ++ stdenv.lib.optional stdenv.targetPlatform.isiOS ./support-ios.patch;
+  ] ++ lib.optional stdenv.targetPlatform.isiOS ./support-ios.patch;
 
   outputs = [ "out" "info" "man" ];
 
   depsBuildBuild = [ buildPackages.stdenv.cc ];
   nativeBuildInputs = [
     bison
-  ] ++ stdenv.lib.optionals stdenv.targetPlatform.isiOS [
+  ] ++ lib.optionals stdenv.targetPlatform.isiOS [
     autoreconfHook264
   ];
   buildInputs = [ zlib ];
@@ -100,12 +105,14 @@ stdenv.mkDerivation rec {
   hardeningDisable = [ "format" ];
 
   # TODO(@Ericson2314): Always pass "--target" and always targetPrefix.
-  configurePlatforms = [ "build" "host" ] ++ stdenv.lib.optional (stdenv.targetPlatform != stdenv.hostPlatform) "target";
+  configurePlatforms = [ "build" "host" ] ++ lib.optional (stdenv.targetPlatform != stdenv.hostPlatform) "target";
 
-  configureFlags = [
+  configureFlags =
+    (if enableShared then [ "--enable-shared" "--disable-static" ]
+                     else [ "--disable-shared" "--enable-static" ])
+  ++ lib.optional withAllTargets "--enable-targets=all"
+  ++ [
     "--enable-64-bit-bfd"
-    "--disable-install-libbfd"
-    "--disable-shared" "--enable-static"
     "--with-system-zlib"
 
     "--enable-deterministic-archives"
@@ -116,10 +123,16 @@ stdenv.mkDerivation rec {
     # RUNPATH instead of RPATH on binaries.  This is important because
     # RUNPATH can be overriden using LD_LIBRARY_PATH at runtime.
     "--enable-new-dtags"
-  ] ++ optionals gold [ "--enable-gold" "--enable-plugins" ];
+  ] ++ lib.optionals gold [ "--enable-gold" "--enable-plugins" ];
 
   doCheck = false; # fails
 
+  postFixup = lib.optionalString reuseLibs ''
+    rm "$out"/lib/lib{bfd,opcodes}-${version}.so
+    ln -s '${lib.getLib libbfd}/lib/libbfd-${version}.so' "$out/lib/"
+    ln -s '${lib.getLib libopcodes}/lib/libopcodes-${version}.so' "$out/lib/"
+  '';
+
   # else fails with "./sanity.sh: line 36: $out/bin/size: not found"
   doInstallCheck = stdenv.buildPlatform == stdenv.hostPlatform && stdenv.hostPlatform == stdenv.targetPlatform;
 
@@ -129,7 +142,7 @@ stdenv.mkDerivation rec {
     inherit targetPrefix version;
   };
 
-  meta = with stdenv.lib; {
+  meta = with lib; {
     description = "Tools for manipulating binaries (linker, assembler, etc.)";
     longDescription = ''
       The GNU Binutils are a collection of binary tools.  The main

pkgs/stdenv/linux/default.nix

@@ -189,7 +189,9 @@ in
 
     # Rebuild binutils to use from stage2 onwards.
     overrides = self: super: {
-      binutils = super.binutils_nogold;
+      binutils-unwrapped = super.binutils-unwrapped.override {
+        gold = false;
+      };
       inherit (prevStage)
         ccWrapperStdenv
         gcc-unwrapped coreutils gnugrep;

pkgs/stdenv/linux/make-bootstrap-tools.nix

@@ -150,6 +150,7 @@ in with pkgs; rec {
         for i in as ld ar ranlib nm strip readelf objdump; do
           cp ${binutils.bintools.out}/bin/$i $out/bin
         done
+        cp '${lib.getLib binutils.bintools}'/lib/* "$out/lib/"
 
         chmod -R u+w $out