bison: Fix for gets being removed from eglibc 2.16

(From OE-Core rev: bc91a267d097c100480ea02ece7fb372167eaf7f)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/bison/bison/remove-gets.patch

@@ -0,0 +1,20 @@
+gets has been removed from eglibc 2.16
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+
+Upstream-Status: Pending
+Index: bison-2.5/lib/stdio.in.h
+===================================================================
+--- bison-2.5.orig/lib/stdio.in.h	2012-07-04 09:09:48.336532195 -0700
++++ bison-2.5/lib/stdio.in.h	2012-07-04 09:10:22.868533884 -0700
+@@ -180,8 +180,10 @@
+ /* It is very rare that the developer ever has full control of stdin,
+    so any use of gets warrants an unconditional warning.  Assume it is
+    always declared, since it is required by C89.  */
++#if defined gets
+ #undef gets
+ _GL_WARN_ON_USE (gets, "gets is a security hole - use fgets instead");
++#endif
+ 
+ #if @GNULIB_FOPEN@
+ # if @REPLACE_FOPEN@

meta/recipes-devtools/bison/bison_2.5.bb

@@ -9,14 +9,16 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=d32239bcb673463ab874e80d47fae504"
 SECTION = "devel"
 DEPENDS = "bison-native flex-native"
 
-PR = "r1"
+PR = "r2"
 
 BASE_SRC_URI = "${GNU_MIRROR}/bison/bison-${PV}.tar.gz \
 	   file://m4.patch \
 	  "
 
 SRC_URI = "${BASE_SRC_URI} \
-        file://fix_cross_manpage_building.patch "
+           file://fix_cross_manpage_building.patch \
+           file://remove-gets.patch \
+          "
 
 SRC_URI[md5sum] = "687e1dcd29452789d34eaeea4c25abe4"
 SRC_URI[sha256sum] = "722def46e4a19a5b7a579ef30db1965f86c37c1a20a5f0113743a2e4399f7c99"