Am Dienstag, den 28.10.2008, 07:50 +0100 schrieb Ralf Wildenhues: > Hi Daniel, > > * Daniel Leidert wrote on Mon, Oct 27, 2008 at 11:04:34PM CET: > > > > I want to place a rule in several Makefiles. So I thought about putting > > > > @DESKTOP_DATA_RULE@ > > > > into every Makefile.am and define the rule via configure.ac. However, I > > can't get it to work. > > Should be possible with recent Autoconf. If you also use Automake, > however, you need to get it to not add > DESKTOP_DATA_RULE = @DESKTOP_DATA_RULE@ > > into the Makefile.in. Currently, that is only possible through an > undocumented Automake macro, _AM_SUBST_NOTMAKE([DESKTOP_DATA_RULE]). > The intention is to fix that for the next Automake release. > > If you still have problems after this, please show what you tried, > and what's output, and the error. I get errors running ./configure. I guess, this is, because of a problem with the quotation. Doing a simple: AC_SUBST([DESKTOP_DATA_RULE], [ target: requirements @list=... ]) doesn't work. The rerrors are related to the variables contained in the rule. But I did not find an example, how I need to escape special characters in the rule (or at least: which characters I need to escape). > Besides the workarounds already mentioned, other possibilities include > Automake conditionals. I now conditionally include a Makefile snippet, which contains the rules. > > $(desktop_DATA): $(desktop_in_files:.desktop.in=.desktop) > > @list='$<'; for p in $$list; do \ > > Please note that using $< outside of inference rules requires GNU make. The build system already uses some GNU make extensions (especially the gnome-doc-utils Makefile snippet requires GNU make), but I try to minimize its usage. So many thanks for your hints. But my Makefiles also require it, because the following works, but the install rules fail: schemas_DATA = `echo "$(schemas_in_files)" | sed 's/.schemas.in$$//;$(transform);s/$$/.schemas/'` Running the install target fails, because the installation rules do not expand this expression. Instead they try to install "`echo". So I need: schemas_DATA = $(shell echo "$(schemas_in_files)" | sed 's/.schemas.in$$//;$(transform);s/$$/.schemas/') and this works. Is there maybe a solution, which doesn't require GNU make here? Regards, Daniel _______________________________________________ Autoconf mailing list Autoconf@xxxxxxx http://lists.gnu.org/mailman/listinfo/autoconf
