The usual effects of a new configure.in
diff --git a/config.h.in b/config.h.in
index b7942d4..40d3608 100644
--- a/config.h.in
+++ b/config.h.in
@@ -163,9 +163,15 @@
/* Define if you have the dup2 function. */
#undef HAVE_DUP2
+/* Define if you have the execv function. */
+#undef HAVE_EXECV
+
/* Define if you have the flock function. */
#undef HAVE_FLOCK
+/* Define if you have the fork function. */
+#undef HAVE_FORK
+
/* Define if you have the ftime function. */
#undef HAVE_FTIME
@@ -196,6 +202,9 @@
/* Define if you have the hypot function. */
#undef HAVE_HYPOT
+/* Define if you have the kill function. */
+#undef HAVE_KILL
+
/* Define if you have the link function. */
#undef HAVE_LINK