Hi,
I, too, am struggling with rebuilding a directory.
it appears that the rule:
gllib: config.status
mkdir -p gllib; cd gllib; make
is wrong because the script "mkdir ..." is always executed, regardless of
whether config.status has changed or not.
So, what is the right way to handle this?
thanks
Sam
Kristof Provost wrote:
Making directories with GNU make has a couple of gotchas.
See http://www.cmcrossroads.com/content/view/6936/120/ for the full
explanation.
this link is dead.
I think the main issue here is that the timestamp on a directory is
updated whenever files are added/removed from it. That would lead to
make performing unnecessary rebuilds.
what I observe is even worse: the second make in "make; make" always does do
something!
The entire 'Ask Mr. Make' series is worth reading if you're dealing with
advanced make.
See http://www.cmcrossroads.com/content/category/8/147/268/.
this link is dead too.
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