Merge pull request #36847 from badi/qtlocation

qtlocation: fix darwin build

pkgs/development/libraries/qt-5/modules/qtlocation.nix

@@ -1,4 +1,4 @@
-{ qtModule, qtbase, qtmultimedia }:
+{ stdenv, qtModule, qtbase, qtmultimedia }:
 
 qtModule {
   name = "qtlocation";
@@ -6,4 +6,11 @@ qtModule {
   outputs = [ "bin" "out" "dev" ];
   # Linking with -lclipper fails with parallel build enabled
   enableParallelBuilding = false;
+  qmakeFlags = stdenv.lib.optional stdenv.isDarwin [
+     # boost uses std::auto_ptr which has been disabled in clang with libcxx
+     # This flag re-enables this feature
+     # https://libcxx.llvm.org/docs/UsingLibcxx.html#c-17-specific-configuration-macros
+     "QMAKE_CXXFLAGS+=-D_LIBCPP_ENABLE_CXX17_REMOVED_AUTO_PTR"
+  ];
+
 }