bomutils: fix build with gcc 11 (#169845)

pkgs/tools/archivers/bomutils/default.nix

@@ -18,6 +18,11 @@ stdenv.mkDerivation rec {
     "CXX=${stdenv.cc.targetPrefix}c++"
   ];
 
+  # fix
+  # src/lsbom.cpp:70:10: error: reference to 'data' is ambiguous
+  # which refers to std::data from C++17
+  NIX_CFLAGS_COMPILE = [ "-std=c++14" ];
+
   meta = with lib; {
     homepage = "https://github.com/hogliux/bomutils";
     description = "Open source tools to create bill-of-materials files used in macOS installers";