anchor.diff:  
       meta.description = "The GNU C Library";
     }
  +
  +  //
  +
  +  (if debugSymbols
  +   then {
  +     # Build with debugging symbols, but leave optimizations on and don't
  +     # attempt to keep the build tree.
  +     dontStrip = true;
  +     dontCrossStrip = true;
  +     NIX_STRIP_DEBUG = 0;
  +   }
  +   else {})
   
     //
   
  
positive.code:   cross = if gccCross != null then gccCross.target else null;
  in
    build cross ({
      name = "glibc";
  
      inherit fetchurl stdenv kernelHeaders installLocales profilingLibraries
        gccCross;
  
negative.code: , installLocales ? true
  , profilingLibraries ? false
  , gccCross ? null
  , debugSymbols ? false
  }:
  
  assert stdenv.gcc.gcc != null;
  