libwebsockets: fix clang build

4 years ago · e002920d8c
parent 55668eb671
commit e002920d8c
1 changed files with 1 additions and 1 deletions
--- a/pkgs/development/libraries/libwebsockets/default.nix
+++ b/pkgs/development/libraries/libwebsockets/default.nix
@ -17,7 +17,7 @@ let
    nativeBuildInputs = [ cmake ];

    cmakeFlags = [ "-DLWS_WITH_PLUGINS=ON" ];
-    NIX_CFLAGS_COMPILE = "-Wno-error=unused-but-set-variable";
+    NIX_CFLAGS_COMPILE = stdenv.lib.optionalString stdenv.cc.isGNU "-Wno-error=unused-but-set-variable";

    meta = with stdenv.lib; {
      description = "Light, portable C library for websockets";