Rule to copy files from two sources

[Yannick Patois]

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Hi,

I have a directory generic/ where there is a set of xml files (ending in
.xml). Another directory update/ contains a few xml files some with the
same name as in generic/. I would like to copy files from generic/ in
todate/ until the same file already exists in update/ (in that case I
want that one).

I wrote some kind of hack using VPATH and renanmng the destination file
as .xml1 to create a rule. I didnt understand how to do it otherwise.
Unfortunatly, I would like to have files named in .xml and not .xml1, is
there a simple way to do so?

Thanks for any help.

Here is what I've done so far:
<<<<<Makefile in directory todate/

XMLFILES0:= $(wildcard ../generic/*.xml)
XMLFILES := $(patsubst ../generic/%.xml,%.xml1,$(XMLFILES0))

xml: $(XMLFILES)

vpath %.xml  ../xml/update:../generic

%.xml1 :: %.xml
        cp  $< $@
>>>>>

It works, but in the destination directory files ends up in .xml1 and
not xml... How can I solve this?

Thanks.

        Yannick

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