protobuf-3.x: fixup build with default gcc version

/cc @globin a3a0e8f. http://hydra.nixos.org/build/47266085
NixOS · Jan 30, 2017 · cc07ec8 · cc07ec8 · vcunat · Feb 3, 2017
1 parent db89615
commit cc07ec8
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/pkgs/development/libraries/protobuf/generic-v3.nix b/pkgs/development/libraries/protobuf/generic-v3.nix
@@ -34,7 +34,9 @@ stdenv.mkDerivation rec {
 
   doCheck = true;
 
-  NIX_CFLAGS_COMPILE = "-Wno-error=misleading-indentation";
+  NIX_CFLAGS_COMPILE = with stdenv.lib;
+    # gcc before 6 doesn't know this option
+    optionalString (hasPrefix "gcc-6" stdenv.cc.cc) "-Wno-error=misleading-indentation";
 
   meta = {
     description = "Google's data interchange format";