-#serial 1
+#serial 2
-dnl From grep.
+dnl Derived from code in GNU grep.
AC_DEFUN(jm_WITH_REGEX,
[
- AC_ARG_WITH(included-regex,
- [ --without-included-regex don't compile regex],
- USE_REGEX=$withval,
- USE_REGEX=yes)
+ dnl Even packages that don't use regex.c can use this macro.
+ dnl Of course, for them it doesn't do anything.
- test "$USE_REGEX" = "yes" && LIBOBJS="$LIBOBJS regex.o"
+ syscmd([test -f lib/regex.c])
+ ifelse(sysval, 0,
+ [
+ AC_ARG_WITH(included-regex,
+ [ --without-included-regex don't compile regex (use with caution)],
+ jm_with_regex=$withval,
+ jm_with_regex=yes)
+ if test "$jm_with_regex" = yes; then
+ LIBOBJS="$LIBOBJS regex.o"
+ fi
+ ],
+ )
]
)