On Wed, Dec 29, 2004 at 11:11:17PM +0100, Stepan Kasal wrote: > on a second thought, I see an alternate approach: > > > > Have you encountered any problem on a particular platform? > > > > Yes. When building kdevelop from kde-3.3.2 on Solaris 2.6, 7, > > substitions in Makefile.in's with long lines gets truncated resulting > > in a dead build. > > Well, to encounter this problem you need a system which: > 1) has a broken sed > 2) is powerful enough to be used for complex packages, loke KDE, which > produce long substitutions > > It is perfectly possible that this juxtaposition appears only on Solaris. It doesn't appear on HP-UX, Tru64 UNIX, IRIX, nor AIX. > So we can as well go along the following: > > if we are on Solaris and the default awk or sed is not POSIX compatible > if /usr/xpg4/bin/sed is available > AC_MSG_WARN([Sane people have /usr/xpg4/bin in the > begining of their path]) > PATH="/usr/xpg4/bin:$PATH" > else > AC_MSG_WARN([Solaris without /usr/xpg4/bin is like > Linux without GNU.]) > fi > fi > > The resulting ./configure script will complain on misconfigured Solaris > systems. You may call it ``educating people'' or ``bothering people'', > acording to your mood. > > This would also bring a sane awk to the configure script, so if a macro > uses awk, it has a better chance to work. > > I'd like to hear opinions on which approach is better. Prepending /usr/xpg4/bin to $PATH is likely to open up more problems. It's not the default on Solaris. And, probably for good reason (i.e. default behaviour is not what a typical Solaris user might expect). > And now for something completely different: > > > Yep. I cannot AC_REQUIRE([AC_PROG_SED]) in a m4_define'd macro. > > If your approach wins, I'd suggest > > AC_DEFUN([_AC_OUTPUT_CONFIG_STATUS], > [AC_REQUIRE([AC_PROG_SED])dnl > AC_MSG_NOTICE([creating $CONFIG_STATUS])... I like this solution better. -- albert chin (china@xxxxxxxxxxxxxxxxxx) _______________________________________________ Autoconf mailing list Autoconf@xxxxxxx http://lists.gnu.org/mailman/listinfo/autoconf
