1 files changed, 4 insertions, 0 deletions
diff --git a/xdmshell.c b/xdmshell.c
index 9c7e14d..b8f8ddd 100644
--- a/xdmshell.c
+++ b/xdmshell.c
@@ -57,6 +57,10 @@ in this Software without prior written authorization from The Open Group.
 /*
  * HP-UX does have vfork, but A/UX doesn't
  */
+#ifdef HAVE_WORKING_VFORK /* autoconf's preferred name */
+# define HAS_VFORK
+#endif
+
 #ifndef HAS_VFORK
 #define vfork() fork()
 #endif