enableModifyEnvPlugin  150 dmtcp_launch.cpp static bool enableModifyEnvPlugin=false;
enableModifyEnvPlugin  183 dmtcp_launch.cpp   {&enableModifyEnvPlugin,  "libdmtcp_modify-env.so"},  // Disabled
enableModifyEnvPlugin  291 dmtcp_launch.cpp       enableModifyEnvPlugin = true;