diff options
| author | guy <guy@f5534014-38df-0310-8fa8-9805f1628bb7> | 2007-07-27 02:51:42 +0000 |
|---|---|---|
| committer | guy <guy@f5534014-38df-0310-8fa8-9805f1628bb7> | 2007-07-27 02:51:42 +0000 |
| commit | 372726c76854386dbe921dcba6af64c1fc92468f (patch) | |
| tree | b4ccc81d1b423857659601f9fb14de4fcecfc567 /wiretap | |
| parent | 4ce97b0fdfbc2227ee9e506111e9b64366bea75e (diff) | |
Step 1 in adding support for reentrant Flex scanners if Flex supports
them - check whether Flex supports them.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@22410 f5534014-38df-0310-8fa8-9805f1628bb7
Diffstat (limited to 'wiretap')
| -rw-r--r-- | wiretap/configure.in | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/wiretap/configure.in b/wiretap/configure.in index d3afcd9794..734a90c43e 100644 --- a/wiretap/configure.in +++ b/wiretap/configure.in @@ -20,8 +20,20 @@ AM_PROG_LEX AC_PROG_LIBTOOL AC_PATH_PROG(LEX, flex) -AC_SUBST(FLEX_PATH) - +# +# Check whether Flex supports -R, so we can build reentrant scanners. +# +AC_MSG_CHECKING(whether Flex can generate reentrant scanners) +if flex -R -t <<EOF >/dev/null 2>&1 +%% +%% +EOF +then + AC_MSG_RESULT(yes) + AC_DEFINE(FLEX_REENTRANT_SCANNERS, 1, [Define if Flex can generate reentrant scanners]) +else + AC_MSG_RESULT(no) +fi # # Try to add some additional gcc checks to CFLAGS |