Comment change.

diff --git a/src/m/iris4d.h b/src/m/iris4d.h
index f12581f33e1ba598d854c84d36a484eae1b54ede..bd374367375df41bd7724c60a01b73d2e97400b7 100644 (file)
--- a/src/m/iris4d.h
+++ b/src/m/iris4d.h
@@ -141,6 +141,10 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
    in which crt1.o and crt1.n should be used.  */
 #define HAVE_CRTN
 
+/* When you *do* link with -lbsd, you *still* get System V getpgrp, unless:
+   you define _BSD_COMPAT, -or- you call `BSDgetpgrp' explicitly.
+   Emacs does neither, so it gets SysV getpgrp which wants no arguments.  */
+
 #ifdef HAVE_CRTN
 /* Must define START-FILES so that the linker can find /usr/lib/crt0.o.  */
 #define START_FILES pre-crt0.o /usr/lib/crt1.o