[Asterisk-Users] Asterisk Compile error - x86_64

[Asterisk Supporter]

Asterisk has this error on compile:

flex ast_expr2.fl
"ast_expr2.fl", line 50: unrecognized %option: reentrant
"ast_expr2.fl", line 51: unrecognized %option: bison-bridge
"ast_expr2.fl", line 52: unrecognized %option: bison-locations
make: *** [ast_expr2f.c] Error 1


2.6.12-1.1447_FC4smp #1 SMP

bison (GNU Bison) 2.0
Written by Robert Corbett and Richard Stallman.

Copyright (C) 2004 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.