1 files changed, 4 insertions, 1 deletions
diff --git a/pkgs/tools/networking/bwm-ng/default.nix b/pkgs/tools/networking/bwm-ng/default.nix
index 62dea1e6cd4f..6fa0c20b0acd 100644
--- a/pkgs/tools/networking/bwm-ng/default.nix
+++ b/pkgs/tools/networking/bwm-ng/default.nix
@@ -7,9 +7,12 @@ stdenv.mkDerivation rec {
     url = "http://www.gropp.org/bwm-ng/${name}.tar.gz";
     sha256 = "1pgzc8y2y73n72qvbd2g0dkbkw5h0f83k5h9id1rsck8w9c464y1";
   };
-  
+
   buildInputs = [ ncurses ];
 
+  # This code uses inline in the gnu89 sense: see http://clang.llvm.org/compatibility.html#inline
+  NIX_CFLAGS_COMPILE = if stdenv.cc.isClang then "-std=gnu89" else null;
+
   meta = with stdenv.lib; {
     description = "A small and simple console-based live network and disk io bandwidth monitor";
     homepage = "http://www.gropp.org/?id=projects&sub=bwm-ng";