libbsd provides (a stub for) setproctitle, too.

diff --git a/configure.ac b/configure.ac
index 3e9f78b..f6f28cf 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -264,7 +264,7 @@ fi
 
 
 # A real OS will have setproctitle()
-AC_CHECK_LIB(c, setproctitle,
+AC_SEARCH_LIBS(setproctitle, [bsd],
  AC_DEFINE(HAVE_SETPROCTITLE, 1,
   [Define to 1 if you have setproctitle().]))