1 files changed, 2 insertions, 0 deletions
diff --git a/custom.h b/custom.h
index 57f2724d..e26a55b5 100644
--- a/custom.h
+++ b/custom.h
@@ -40,6 +40,8 @@
 /* for VMS POSIX, from Pat Rankin, rankin@eql.caltech.edu */
 #ifdef VMS_POSIX
 #undef VMS
+#define GETPGRP_VOID	/* autoconf's test for this tries to use
+			   `setpgrp()', which doesn't exist.  */
 #include "vms/redirect.h"
 #endif