Update default.nix

Author: angerman

compiler/ghc/default.nix

@@ -495,6 +495,7 @@ stdenv.mkDerivation (rec {
 
   hardeningDisable = [ "format" ]
                    ++ lib.optional (stdenv.targetPlatform.isAarch32 || enableRelocatedStaticLibs) "pic"
+                   ++ lib.optional stdenv.targetPlatform.isMusl "pie"
                    ++ lib.optional enableDWARF "fortify";
 
   postInstall = lib.optionalString (enableNUMA && targetPlatform.isLinux) ''