diff --git a/pkgs/development/compilers/gcc/4.7/default.nix b/pkgs/development/compilers/gcc/4.7/default.nix
index 60ef44f2a90..5ab7166204e 100644
--- a/pkgs/development/compilers/gcc/4.7/default.nix
+++ b/pkgs/development/compilers/gcc/4.7/default.nix
@@ -89,9 +89,11 @@ let version = "4.7.2";
     gccArch = stdenv.lib.attrByPath [ "gcc" "arch" ] null cross;
     gccCpu = stdenv.lib.attrByPath [ "gcc" "cpu" ] null cross;
     gccAbi = stdenv.lib.attrByPath [ "gcc" "abi" ] null cross;
+    gccMode = stdenv.lib.attrByPath [ "gcc" "mode" ] null cross;
     withArch = if gccArch != null then " --with-arch=${gccArch}" else "";
     withCpu = if gccCpu != null then " --with-cpu=${gccCpu}" else "";
     withAbi = if gccAbi != null then " --with-abi=${gccAbi}" else "";
+    withMode = if gccMode != null then " --with-mode=${gccMode}" else "";
     crossMingw = (cross != null && cross.libc == "msvcrt");
 
     crossConfigureFlags =
@@ -99,6 +101,7 @@ let version = "4.7.2";
       withArch +
       withCpu +
       withAbi +
+      withMode +
       (if (crossMingw && crossStageStatic) then
         " --with-headers=${libcCross}/include" +
         " --with-gcc" +