-char *compile_and_link(const void *ctx, const char *cfile, const char *ccandir,
- const char *objs, const char *extra_cflags,
- const char *libs, char **errmsg);
+bool compile_and_link(const void *ctx, const char *cfile, const char *ccandir,
+ const char *objs, const char *extra_cflags,
+ const char *libs, const char *outfile, char **output);
+
+/* If in_pwd is false, return a file int temp_dir, otherwise a local file. */
+char *maybe_temp_file(const void *ctx, const char *extension, bool in_pwd,
+ const char *srcname);