svn commit: r214964 - head/usr.bin/yacc

[David E. O'Brien]

Author: obrien
Date: Sun Nov  7 23:44:40 2010
New Revision: 214964
URL: http://svn.freebsd.org/changeset/base/214964

Log:
  Add '-y' for bison compatibility.
  
  Obtained from:	http://invisible-island.net

Modified:
  head/usr.bin/yacc/main.c
  head/usr.bin/yacc/yacc.1

Modified: head/usr.bin/yacc/main.c
==============================================================================
--- head/usr.bin/yacc/main.c	Sun Nov  7 23:34:05 2010	(r214963)
+++ head/usr.bin/yacc/main.c	Sun Nov  7 23:44:40 2010	(r214964)
@@ -166,7 +166,7 @@ getargs(int argc, char *argv[])
 {
     int ch;
 
-    while ((ch = getopt(argc, argv, "b:dlo:p:rtv")) != -1)
+    while ((ch = getopt(argc, argv, "b:dlo:p:rtvy")) != -1)
     {
 	switch (ch)
 	{
@@ -202,6 +202,10 @@ getargs(int argc, char *argv[])
 	    vflag = 1;
 	    break;
 
+	case 'y':
+	    /* for bison compatibility -- byacc is already POSIX compatible */
+	    break;
+
 	default:
 	    usage();
 	}

Modified: head/usr.bin/yacc/yacc.1
==============================================================================
--- head/usr.bin/yacc/yacc.1	Sun Nov  7 23:34:05 2010	(r214963)
+++ head/usr.bin/yacc/yacc.1	Sun Nov  7 23:44:40 2010	(r214964)
@@ -44,7 +44,7 @@
 .Nd an LALR(1) parser generator
 .Sh SYNOPSIS
 .Nm
-.Op Fl dlrtv
+.Op Fl dlrtvy
 .Op Fl b Ar file_prefix
 .Op Fl o Ar output_filename
 .Op Fl p Ar symbol_prefix
@@ -118,6 +118,10 @@ so that debugging statements will be inc
 Cause a human-readable description of the generated parser to
 be written to the file
 .Pa y.output .
+.It Fl y
+NOOP for bison compatibility.
+.Nm
+is already designed to be POSIX yacc compatible.
 .El
 .Sh ENVIRONMENT
 .Bl -tag -width ".Ev TMPDIR"