Add mkdtemp check.

Added an m4 macro checking for mkdtemp()

Signed-off-by: Cyril Hrubis <metan@ucw.cz>
Signed-off-by: Marios Makris <marios.makris@gmail.com>
Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
2 files changed