| Revision: | 1.1 |
| Committed: | 2005-07-01T05:54:20Z (19 years ago) by gbeauche |
| Branch: | MAIN |
| CVS Tags: | nigel-build-19, nigel-build-17, HEAD |
| Log Message: | Import m4 macros for external packages in case one would want to regenerate a configure script without having those installed (e.g. on MacOS X). |
| # | Content |
|---|---|
| 1 | # AC_PROG_EGREP |
| 2 | # ------------- |
| 3 | # This is predefined starting with Autoconf 2.54, so this conditional |
| 4 | # definition can be removed once we require Autoconf 2.54 or later. |
| 5 | m4_ifndef([AC_PROG_EGREP], [AC_DEFUN([AC_PROG_EGREP], |
| 6 | [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep], |
| 7 | [if echo a | (grep -E '(a|b)') >/dev/null 2>&1 |
| 8 | then ac_cv_prog_egrep='grep -E' |
| 9 | else ac_cv_prog_egrep='egrep' |
| 10 | fi]) |
| 11 | EGREP=$ac_cv_prog_egrep |
| 12 | AC_SUBST([EGREP]) |
| 13 | ])]) |