C: Difference between revisions

@@ Line 286: / Line 286: @@
    };
 in (overrideCC stdenv gcc_nolibc).mkDerivation {
+  name = "env";
+}
+</syntaxHighlight>
+== Override binutils ==
+This example shows how to apply changes to the binutils package and than use the override binutils
+package to compose a new stdenv.
+<syntaxHighlight lang=nix>
+with import <nixpkgs> {};
+let
+  binutils-unwrapped' = binutils-unwrapped.overrideAttrs (old: {
+    name = "binutils-2.37";
+    src = pkgs.fetchurl {
+      url = "https://ftp.gnu.org/gnu/binutils/binutils-2.37.tar.xz";
+      sha256 = "sha256-gg2XJPAgo+acszeJOgtjwtsWHa3LDgb8Edwp6x6Eoyw=";
+    };
+    patches = [];
+  });
+  cc = wrapCCWith rec {
+    cc = gcc-unwrapped;
+    bintools = wrapBintoolsWith {
+      bintools = binutils-unwrapped';
+      libc = glibc;
+    };
+  };
+in
+(overrideCC stdenv cc).mkDerivation {
    name = "env";
 }