flex: fix test-bison-yylval and test-bison-yylloc failed

The tests in flex test-bison-yylval and test-bison-yylloc
failed, so we backport a patch from upstream to fix it.

(From OE-Core rev: 04810bf36720240cf0e1b8ba2cb1bba16b2ccac8)

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/flex/files/0001-bison-test-fixes-Do-not-use-obsolete-bison-construct.patch

@@ -0,0 +1,80 @@
+From 7fbc074901129ffaff9e18fadacae62d8053ad95 Mon Sep 17 00:00:00 2001
+From: Manoj Srivastava <srivasta@golden-gryphon.com>
+Date: Wed, 9 Apr 2014 00:23:07 -0700
+Subject: [PATCH] Do not use obsolete bison constructs in tests.
+
+In Bison 3.0, support for YYLEX_PARAM and YYPARSE_PARAM has been
+removed (deprecated in Bison 1.875): use %lex-param, %parse-param, or
+%param. This commit fixes the tests so they still work.
+
+Signed-off-by: Manoj Srivastava <srivasta@golden-gryphon.com>
+
+Upstream-Status: Backport [from http://sourceforge.net/p/flex/bugs/169/]
+
+Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
+---
+ tests/test-bison-yylloc/parser.y | 4 ++--
+ tests/test-bison-yylval/parser.y | 4 ++--
+ 2 files changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/tests/test-bison-yylloc/parser.y b/tests/test-bison-yylloc/parser.y
+index e8f4e56..224d252 100644
+--- a/tests/test-bison-yylloc/parser.y
++++ b/tests/test-bison-yylloc/parser.y
+@@ -22,6 +22,7 @@
+  */
+ 
+ %parse-param { void* scanner }
++%lex-param { void* scanner }
+ 
+ /* 
+    How to compile:
+@@ -34,7 +35,6 @@
+ #include "config.h"
+ 
+ #define YYERROR_VERBOSE 1
+-#define YYLEX_PARAM   scanner
+ 
+ extern int testget_lineno(void*);
+ 
+@@ -52,7 +52,7 @@ int process_text(char* s) {
+ 
+ %}
+ 
+-%pure_parser
++%pure-parser
+ 
+ %union  {
+     int  lineno;
+diff --git a/tests/test-bison-yylval/parser.y b/tests/test-bison-yylval/parser.y
+index 0ffdb89..626c5e7 100644
+--- a/tests/test-bison-yylval/parser.y
++++ b/tests/test-bison-yylval/parser.y
+@@ -26,6 +26,7 @@
+    bison --defines --output-file="parser.c" --name-prefix="test" parser.y
+  */
+ %parse-param { void* scanner }
++%lex-param { void* scanner }
+ %{
+ #include <stdio.h>
+ #include <stdlib.h>
+@@ -33,7 +34,6 @@
+ #include "config.h"
+ 
+ #define YYERROR_VERBOSE 1
+-#define YYLEX_PARAM   scanner
+ 
+ 
+ /* A dummy function. A check against seg-faults in yylval->str. */
+@@ -49,7 +49,7 @@ int process_text(char* s) {
+ 
+ %}
+ 
+-%pure_parser
++%pure-parser
+ 
+ %union  {
+     long unused;
+-- 
+1.9.1
+

meta/recipes-devtools/flex/flex.inc

@@ -8,6 +8,7 @@ LICENSE = "BSD"
 DEPENDS += "${@'bison-native flex-native' if '${PTEST_ENABLED}' == '1' else ''}"
 
 SRC_URI = "${SOURCEFORGE_MIRROR}/flex/flex-${PV}.tar.bz2 \
+           file://0001-bison-test-fixes-Do-not-use-obsolete-bison-construct.patch \
            file://run-ptest \
 "