On 27.01.2011 11:59, ulugutz wrote:
nope i am right. every target has the same dependency list. you agree with
that, right?
For which rules. In written code
PNG_FILES := $(wildcard *.png)
PDF_FILES := $(PNG_FILES:.png=.pdf)
.PHONY: all
all: $(PDF_FILES)
%.pdf: %.png
cp $*.png $@
See what happen:
$ touch 1.png 2.png
$ make
cp 1.png 1.pdf
cp 2.png 2.pdf
$ LANG=C make
make: Nothing to be done for `all'.
$ touch 2.png
$ make
cp 2.png 2.pdf
Only one 'cp' operation take place in last case.
so if one timestamp of the dependencies changes all PDFs are
out of date :-/
Your case possible if write such dependency:
1.pdf 2.pdf: 1.png 2.png
i want to have only the png associated to the target in the dependency list.
See top description.
Or may be you need explain where I don't understand you.
--
С уважением, Александр Гавенко.
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