Shlomi Fish wrote:
It also happens with a vanilla GNU make. My question is why is the directory
created times and again in the osvn target?
I'm not sure whether that is related, but a directory's time stamp is
updated whenever something inside it is updated. As a result, any rule
that DEPENDS on the directory rule is likely to get executed without
cause. Try replacing the backup dir rule with:
$(BACKUP_DIR)/stamp:
mkdir -p $(BACKUP_DIR)
touch $@
Switch anyone who depends on the rule to depend on the stamp file.
Also possible cause of the problem is the fact that you are using an
intermediate rule. I would do without it. If you insist on keeping it,
at least mark it PHONY (as well as the all and osvn rules).
Use "make -d" to try and figure that one out.
In other areas:
With your current setup, you will find that the "date" command gets
executed over and over again and again. Replace the "=" in all lines
that employ the $(shell) meta-variable with ":=" to solve that one.
All environment variables are automatically imported to be make
variables, so the invocation of the shell to get the HOME variable is
unnecessary - just use $(HOME).
Shachar
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