final: prev: prev.live555.overrideAttrs (old: {
  preConfigure = (prev.lib.optional (prev.stdenv.hostPlatform != prev.stdenv.buildPlatform) ''
    sed -e 's/^C_COMPILER.*=.*$/C_COMPILER = $(CC)/g' -i config.*
    sed -e 's/^CPLUSPLUS_COMPILER.*=.*$/CPLUSPLUS_COMPILER = $(CXX)/g' -i config.*
    sed -e 's/^LINK.*=.*$/LINK = $(CXX) -o/g' -i config.*
    sed -e 's/^LIBRARY_LINK.*=.*$/LIBRARY_LINK = $(AR) cr /g' -i config.*
  '');
})