Re: gEDA-user: A4 Printing

[Greg Cunningham <greg@xxxxxxxxxxxxxxxxxxxx>]

On Mon, 2007-09-10 at 20:33 -0400, DJ Delorie wrote:
> > However, the pdf barfs.  Is there a wrap error in your post, or is
> > "$<" a construct I'm not familiar with?
> 
> When using pattern rules (wildcards) in Makefiles, there are some
> variables you can use to expand to the part of the filenames that
> match the wildcards.  Example:
> 
> %.pdf : %.ps Makefile
> 	ps2pdf $< > $@
> 
> If we're converting "page.ps" to "page.pdf", some useful variables are
> as follows:
> 
> $@	page.pdf (the target)
> $<	page.ps  (the first depends-on file)
> $^	"page.ps Makefile" (all depends-on files)
> $*	page     (the part that matched the '%')
Thanks again DJ.  Over the last 10 years, I have had 2 or 3 attempts (my
only ventures into a bit of serious code...)to climb the Makefile
plateau.  But, seeing 99.99*% of my work is sys-admin for a regional
daily newspaper, I just keep forgetting almost everything I read.  Not
enough playtime...
-- 
Greg


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