diff options
Diffstat (limited to 'm4/regex.m4')
| -rw-r--r-- | m4/regex.m4 | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/m4/regex.m4 b/m4/regex.m4 index 3d15c75fd..007b16636 100644 --- a/m4/regex.m4 +++ b/m4/regex.m4 @@ -23,7 +23,12 @@ AC_ARG_WITH(regex, if test -n "$am_with_regex"; then AC_MSG_RESULT(regex) AC_DEFINE(WITH_REGEX) - LIBOBJS="$LIBOBJS regex.o" + AC_CACHE_CHECK([for GNU regex in libc], am_cv_gnu_regex, + AC_TRY_LINK([], [extern int re_max_failures; re_max_failures = 1], + am_cv_gnu_regex=yes, am_cv_gnu_regex=no)) + if test $am_cv_gnu_regex = no; then + LIBOBJS="$LIBOBJS regex.o" + fi else AC_MSG_RESULT(rx) AC_CHECK_FUNC(re_rx_search, , [LIBOBJS="$LIBOBJS rx.o"]) |