* Eric Blake wrote on Sat, Apr 05, 2008 at 02:27:39PM CEST: > According to Ralf Wildenhues on 4/5/2008 4:58 AM: > | No, but we documented for our users that AC_PROG_GREP provides this > | feature (of searching for such a grep). > | > | That would be backwards incompatible, no? Also, it seems kind of > | arbitrary to relax requirements here, while we make other macros > | stricter in requiring standards conformance (gnulib is even much more > | extreme in this case). > > Which means we can't change AC_PROG_GREP, but we can add > AC_PROG_GREP_SIMPLE which guarantees only a grep that meets the simpler > set of requirements. Then we can reformulate AC_EGREP_CPP (and thus > AC_CHECK_HEADER) in terms of AC_PROG_GREP_SIMPLE (since that is documented > to only search a single pattern), but users who still need multiple -e for > other reasons can use AC_PROG_GREP. Sure. But since AC_PROG_GREP_SIMPLE may then be pulled in by AC_REQUIRE almost everywhere, you have a problem wrt. allowing user override with $GREP and so. Solvable, but at least a bit tricky. But hey, until there's a patch to discuss, that's all just me babbling. Cheers, Ralf _______________________________________________ Autoconf mailing list Autoconf@xxxxxxx http://lists.gnu.org/mailman/listinfo/autoconf
