(c-macro-expansion): Use small-temporary-file-directory when non-nil.

diff --git a/lisp/progmodes/cmacexp.el b/lisp/progmodes/cmacexp.el
index 82d90d6d5999cd71da372676b35496751a511dd6..ce21a0287563cf3df9ec1fc85393a5db7b4b9805 100644 (file)
--- a/lisp/progmodes/cmacexp.el
+++ b/lisp/progmodes/cmacexp.el
@@ -267,7 +267,8 @@ Optional arg DISPLAY non-nil means show messages in the echo area."
        (exit-status 0)
        (tempname (make-temp-name
                   (expand-file-name "cmacexp"
-                                    temporary-file-directory))))
+                                    (or small-temporary-file-directory
+                                        temporary-file-directory)))))
     (unwind-protect
        (save-excursion
          (save-restriction