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-rw-r--r--nixpkgs/pkgs/development/libraries/microsoft_gsl/default.nix3
1 files changed, 2 insertions, 1 deletions
diff --git a/nixpkgs/pkgs/development/libraries/microsoft_gsl/default.nix b/nixpkgs/pkgs/development/libraries/microsoft_gsl/default.nix
index af1c1c91a94f..5a5257168eb4 100644
--- a/nixpkgs/pkgs/development/libraries/microsoft_gsl/default.nix
+++ b/nixpkgs/pkgs/development/libraries/microsoft_gsl/default.nix
@@ -21,7 +21,8 @@ stdenv.mkDerivation rec {
   buildPhase = if nativeBuild then "make" else "true";
 
   # https://github.com/microsoft/GSL/issues/806
-  cmakeFlags = [ "-DCMAKE_CXX_FLAGS=-Wno-catch-value" ];
+  cmakeFlags = lib.optionals stdenv.cc.isGNU
+    [ "-DCMAKE_CXX_FLAGS=-Wno-catch-value" ];
 
   installPhase = ''
     mkdir -p $out/include