1 files changed, 7 insertions, 1 deletions
diff --git a/nixpkgs/pkgs/development/libraries/cxxopts/default.nix b/nixpkgs/pkgs/development/libraries/cxxopts/default.nix
index 1df570d7d290..855a9eef8ea0 100644
--- a/nixpkgs/pkgs/development/libraries/cxxopts/default.nix
+++ b/nixpkgs/pkgs/development/libraries/cxxopts/default.nix
@@ -12,11 +12,17 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs = lib.optional enableUnicodeHelp [ icu.dev ];
-  cmakeFlags = lib.optional enableUnicodeHelp [ "-DCXXOPTS_USE_UNICODE_HELP=TRUE" ];
+  cmakeFlags = [ "-DCXXOPTS_BUILD_EXAMPLES=OFF" ]
+    ++ lib.optional enableUnicodeHelp "-DCXXOPTS_USE_UNICODE_HELP=TRUE"
+    # Due to -Wsuggest-override, remove when cxxopts is updated
+    ++ lib.optional stdenv.isDarwin "-DCXXOPTS_ENABLE_WARNINGS=OFF";
   nativeBuildInputs = [ cmake ] ++ lib.optional enableUnicodeHelp [ pkg-config ];
 
   doCheck = true;
 
+  # Conflict on case-insensitive filesystems.
+  dontUseCmakeBuildDir = true;
+
   meta = with lib; {
     homepage = "https://github.com/jarro2783/cxxopts";
     description = "Lightweight C++ GNU-style option parser library";