Turn off lex by default on OpenBSD

Do the same as what AIX does. OpenBSD (at least recent ones) hits
below syntax error. Feel free to revert this commit and properly
fix this if possible.

CC y.tab.c
exp/expression-parser.y:68: syntax error
%parse-param { long long *result }
^
gmake: *** [Makefile:341: y.tab.c] Error 1

Signed-off-by: Tomohiro Kusumi <tkusumi@tuxera.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

diff --git a/configure b/configure
index 83a670292ada5f59df85a521b32a9e57b8d9998d..bcb898a835a857670afa5203db4cf923bbe50b88 100755 (executable)
--- a/configure
+++ b/configure
@@ -257,8 +257,9 @@ fi
 # cross-compiling to one of these OSes then you'll need to specify
 # the correct CPU with the --cpu option.
 case $targetos in
-AIX)
+AIX|OpenBSD)
   # Unless explicitly enabled, turn off lex.
+  # OpenBSD will hit syntax error when enabled.
   if test -z "$disable_lex" ; then
     disable_lex="yes"
   else