move NIX_GLIBC_FLAGS_SET=1 to the dietlibc-wrapper

svn path=/nixpkgs/trunk/; revision=5992

pkgs/os-specific/linux/dietlibc-wrapper/builder.sh

@@ -1,11 +1,10 @@
 source $stdenv/setup
 
-#export NIX_GLIBC_FLAGS_SET=1
-
 ensureDir "$(dirname $out/bin/diet)"
 
 cat > $out/bin/gcc << END
 #! $SHELL -e
+export NIX_GLIBC_FLAGS_SET=1
 exec $dietlibc/bin/diet $gcc/bin/gcc "\$@"
 END
 

pkgs/tools/misc/coreutils-diet/default.nix

@@ -11,6 +11,5 @@ stdenv.mkDerivation {
   patches = [./coreutils-dummy.patch];
   buildInputs = [perl];
   NIX_GCC = dietgcc;
-  NIX_GLIBC_FLAGS_SET=1;
   NIX_CFLAGS_COMPILE="-D_BSD_SOURCE=1";
 }