Adding building 'binutils' before building the 'glibc' in stdenv-linux.

This should allow keeping the i686-linux boostrap-tools.
I updated some days ago the x86_64-linux bootstrap-tools, but that update is
not needed anymore. We can revert that boostrap-tools update if anyone wants.
Pro:
- new gcc building gcc and glibc.
Contra:
- maybe some old systems (patched red had kernels come to mind) break with that update?


svn path=/nixpkgs/branches/stdenv-updates/; revision=23370

pkgs/stdenv/linux/default.nix

@@ -160,10 +160,30 @@ rec {
     bootStdenv = stdenvLinuxBoot1;
   };
 
+  # Create the first "real" standard environment.  This one consists
+  # of bootstrap tools only, and a minimal Glibc to keep the GCC
+  # configure script happy.
+  stdenvLinuxBoot1half = stdenvBootFun {
+    gcc = wrapGCC {
+      libc = bootstrapGlibc;
+      binutils = stdenvLinuxBoot1Pkgs.binutils;
+      coreutils = bootstrapTools;
+    };
+    inherit fetchurl;
+  };
+  
+
+  # 2) These are the packages that we can build with the first
+  #    stdenv.  We only need Glibc (in step 3).
+  stdenvLinuxBoot1halfPkgs = allPackages {
+    inherit system platform;
+    bootStdenv = stdenvLinuxBoot1half;
+  };
+
   
   # 3) Build Glibc with the bootstrap tools.  The result is the full,
   #    dynamically linked, final Glibc.
-  stdenvLinuxGlibc = stdenvLinuxBoot1Pkgs.glibc;
+  stdenvLinuxGlibc = stdenvLinuxBoot1halfPkgs.glibc;
 
   
   # 4) Construct a second stdenv identical to the first, except that
@@ -177,7 +197,7 @@ rec {
     };
     overrides = {
       glibc = stdenvLinuxGlibc;
-      inherit (stdenvLinuxBoot1Pkgs) perl;
+      inherit (stdenvLinuxBoot1halfPkgs) perl;
     };
     inherit fetchurl;
   }) ["gcc" "binutils"];
@@ -215,7 +235,7 @@ rec {
       name = "";
     };
     overrides = {
-      inherit (stdenvLinuxBoot1Pkgs) perl;
+      inherit (stdenvLinuxBoot1halfPkgs) perl;
     };
     inherit fetchurl;
   };