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-rw-r--r--pkgs/development/libraries/microsoft-gsl/default.nix3
1 files changed, 3 insertions, 0 deletions
diff --git a/pkgs/development/libraries/microsoft-gsl/default.nix b/pkgs/development/libraries/microsoft-gsl/default.nix
index f0bd76ab4fb..298aec48db7 100644
--- a/pkgs/development/libraries/microsoft-gsl/default.nix
+++ b/pkgs/development/libraries/microsoft-gsl/default.nix
@@ -20,6 +20,9 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake pkg-config ];
   buildInputs = [ gtest ];
 
+  # error: unsafe buffer access
+  env.NIX_CFLAGS_COMPILE = lib.optionalString stdenv.cc.isClang "-Wno-unsafe-buffer-usage";
+
   doCheck = true;
 
   meta = with lib; {