WIP, re issue #341

Author: infradig

src/streams.c

@@ -1094,7 +1094,7 @@ static bool fn_process_create_3(query *q)
 				posix_spawnattr_setflags(&attrp, POSIX_SPAWN_SETSID);
 #endif
 			} else if (!CMP_STR_TO_CSTR(q, c, "cwd")) {
-#if defined(__GLIBC__) && (__GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 29))
+#ifndef posix_spawn_file_actions_addchdir_np
 				return throw_error(q, c, c_ctx, "not available", "posix_spawn_file_actions_addchdir_np");
 #else
 				cwd = C_STR(q, name);