At 08:02 PM 6/24/2003 -0400, Paul D. Smith wrote:
g> I want the prerequisite file to affect building target, only if it
g> exists; otherwise target should be considered up to date.
g> How best to achieve this?
You can't.
See Bug (enhancement request) #109 at the GNU make project page on
Savannah.
I am using the following ifneq, which seems good enough for my purposes.
$(afile) is a file that may or may not exist.
Thanks for the insights.
ifneq (,$(wildcard $(afile)))
target: $(afile)
@touch $@
else
target:
@touch $@
endif
- Greg Keraunen
http://www.xmake.org
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