poppler

447 | #else
448 |   //~ need to deal with other extensions here
449 |   path->append(".so");
450 |   if (!(dlA = dlopen(path->getCString(), RTLD_NOW))) {
451 |     error(errIO, -1, "Failed to load plugin '{0:t}': {1:s}",
452 | 	  path, dlerror());