[binutils-gdb] gas: bfin: fix build time warnings

[Michael Frysinger]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=adb0bd8fda7dded7ffb227481f663fdfcbfbe63a

commit adb0bd8fda7dded7ffb227481f663fdfcbfbe63a
Author: Mike Frysinger <vapier@gentoo.org>
Date:   Thu Jan 14 00:51:59 2021 -0500

    gas: bfin: fix build time warnings

Diff:
---
 gas/ChangeLog         | 5 +++++
 gas/config/bfin-lex.l | 5 ++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/gas/ChangeLog b/gas/ChangeLog
index bad8473bf66..4b05f3ef328 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,8 @@
+2021-01-14  Mike Frysinger  <vapier@gentoo.org>
+
+	* bfin-lex.l (YY_NO_INPUT, YY_NO_UNPUT): Define.
+	(parse_int): Mark char_bag const.
+
 2021-01-13  H.J. Lu  <hongjiu.lu@intel.com>
 
 	PR gas/27178
diff --git a/gas/config/bfin-lex.l b/gas/config/bfin-lex.l
index 188bb197be6..ec3d1feb042 100644
--- a/gas/config/bfin-lex.l
+++ b/gas/config/bfin-lex.l
@@ -32,6 +32,9 @@ int yylex (void);
 
 #define _REG yylval.reg
 
+/* Flex generates static functions "input" & "unput" which are not used.  */
+#define YY_NO_INPUT
+#define YY_NO_UNPUT
 
 %}
 
@@ -343,7 +346,7 @@ static long parse_int (char **end)
   char fmt = '\0';
   int not_done = 1;
   int shiftvalue = 0;
-  char * char_bag;
+  const char *char_bag;
   unsigned long value = 0;
   char *arg = *end;