Jan T. Kim wrote: > Dear all, > > I want to set up a Makefile to handle installation and checking etc. > of a bunch of R packages, and I'd like to be able to add a new > package by just adding the new name to a variable. I use implicit > rules to try and pull this off. The problem I run into is that make > cannot > be bothered to make prerequisites required by an implicit rule, but in > my > case, that's what I need. > > Here's my Makefile: > > RPACKS = xpipe jtkstuff > RPACKS_INSTALL = $(RPACKS:%=%-install) > RPACKS_UNINSTALL = $(RPACKS:%=%-uninstall) > RPACKS_CHECK = $(RPACKS:%=%-check) > > install : $(RPACKS_INSTALL) > > # explicit rule: target is unconditionally made > jtkstuff-install : > echo target: $@ prerequisites: $^ > R CMD INSTALL jtkstuff > > # implicit rule: nothing is made > %-install : > echo target: $@ prerequisites: $^ > R CMD INSTALL $* > > .PHONY : install uninstall check clean $(RPRACKS) $(RPACKS_INSTALL) > > make -n -d install shows the problem: > > Updating goal targets.... > Considering target file `install'. > File `install' does not exist. > Considering target file `xpipe-install'. > File `xpipe-install' does not exist. > Finished prerequisites of target file `xpipe-install'. > Must remake target `xpipe-install'. > Successfully remade target file `xpipe-install'. > Considering target file `jtkstuff-install'. > File `jtkstuff-install' does not exist. > Finished prerequisites of target file `jtkstuff-install'. > Must remake target `jtkstuff-install'. > echo target: jtkstuff-install prerequisites: > R CMD INSTALL jtkstuff > Successfully remade target file `jtkstuff-install'. > Finished prerequisites of target file `install'. > Must remake target `install'. > Successfully remade target file `install'. > > Obviously, make handles the explicit jtkstuff-install rule differently > from the implicit %-install rule in that it does execute the commands > for the former while it considers the implicitly specified target > xpipe-install to be remade without actually doing anything. > > Is there any way to change this behaviour? > > Regards & thanks in advance, Jan
How about commenting out .PHONY line? James _______________________________________________ help-gnu-utils mailing list [email protected] http://lists.gnu.org/mailman/listinfo/help-gnu-utils
