Module Name:    src
Committed By:   christos
Date:           Tue Jan  3 00:22:56 UTC 2017

Modified Files:
        src/external/bsd/flex/dist/src: flex.skl main.c

Log Message:
don't #define yywrap yywrap (that is if the prefix is yy, don't #define macros
for the same name). Breaks compatibility for things like:
#ifndef yywrap
int
yywrap(void)
{
        return 1;
}
#endif


To generate a diff of this commit:
cvs rdiff -u -r1.6 -r1.7 src/external/bsd/flex/dist/src/flex.skl
cvs rdiff -u -r1.4 -r1.5 src/external/bsd/flex/dist/src/main.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/external/bsd/flex/dist/src/flex.skl
diff -u src/external/bsd/flex/dist/src/flex.skl:1.6 src/external/bsd/flex/dist/src/flex.skl:1.7
--- src/external/bsd/flex/dist/src/flex.skl:1.6	Mon Jan  2 18:21:14 2017
+++ src/external/bsd/flex/dist/src/flex.skl	Mon Jan  2 19:22:56 2017
@@ -120,6 +120,7 @@ m4_define([[yy$1]], [[M4_YY_PREFIX[[$1]]
 %endif
 
 %if-c-only
+m4_ifelse(M4_YY_PREFIX,yy,,
     M4_GEN_PREFIX(`_create_buffer')
     M4_GEN_PREFIX(`_delete_buffer')
     M4_GEN_PREFIX(`_scan_buffer')
@@ -155,6 +156,7 @@ m4_define([[yy$1]], [[M4_YY_PREFIX[[$1]]
         M4_GEN_PREFIX(`set_column')
     ]])
     M4_GEN_PREFIX(`wrap')
+)
 %endif
 
 m4_ifdef( [[M4_YY_BISON_LVAL]],
@@ -170,11 +172,14 @@ m4_ifdef( [[<M4_YY_BISON_LLOC>]],
 ]])
 
 
+m4_ifelse(M4_YY_PREFIX,yy,,
     M4_GEN_PREFIX(`alloc')
     M4_GEN_PREFIX(`realloc')
     M4_GEN_PREFIX(`free')
+)
 
 %if-c-only
+m4_ifelse(M4_YY_PREFIX,yy,,
 m4_ifdef( [[M4_YY_NOT_REENTRANT]],
 [[
     M4_GEN_PREFIX(`text')
@@ -184,6 +189,7 @@ m4_ifdef( [[M4_YY_NOT_REENTRANT]],
     M4_GEN_PREFIX(`_flex_debug')
     M4_GEN_PREFIX(`lineno')
 ]])
+)
 %endif
 
 

Index: src/external/bsd/flex/dist/src/main.c
diff -u src/external/bsd/flex/dist/src/main.c:1.4 src/external/bsd/flex/dist/src/main.c:1.5
--- src/external/bsd/flex/dist/src/main.c:1.4	Mon Jan  2 14:24:39 2017
+++ src/external/bsd/flex/dist/src/main.c	Mon Jan  2 19:22:56 2017
@@ -1,4 +1,4 @@
-/*	$NetBSD: main.c,v 1.4 2017/01/02 19:24:39 christos Exp $	*/
+/*	$NetBSD: main.c,v 1.5 2017/01/03 00:22:56 christos Exp $	*/
 
 /* flex - tool to generate fast lexical analyzers */
 
@@ -33,7 +33,7 @@
 /*  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR */
 /*  PURPOSE. */
 #include "flexdef.h"
-__RCSID("$NetBSD: main.c,v 1.4 2017/01/02 19:24:39 christos Exp $");
+__RCSID("$NetBSD: main.c,v 1.5 2017/01/03 00:22:56 christos Exp $");
 
 
 #include "version.h"
@@ -1589,7 +1589,6 @@ void readin (void)
 
 	if (!do_yywrap) {
 		if (!C_plus_plus) {
-			 outn ("\n#undef yywrap");
 			 if (reentrant)
 				outn ("\n#define yywrap(yyscanner) (/*CONSTCOND*/1)");
 			 else

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