From: John Graham-Cumming <address@hidden>
Reply-To: address@hidden
To: sharan basappa <address@hidden>
CC: address@hidden
Subject: Re: trouble cleaning the right files ..
Date: Mon, 18 Jun 2007 13:30:13 +0200
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sharan basappa wrote:
> Each module make appends its clean target to clean variable as :
> clean += clean_dir1 .. so eventually clean_all looks like
> clean_all : clean_dir1 clean_dir2
>
> clean_dir1 (for example) rule is :
>
> clean_dir1 :
> \rm $(local_objs)
Here's how I'd handle that:
1. I'd drop the 'clean' variable completely.
2. When I'm defining clean_dir1 I'd add
clean: clean_dir1
So that whenever the clean target is requested clean_dir1 is run.
3. To handle grabbing of local_objs you can either do a target-specific
variable as Phillip has suggested, or you could grab the state of
local_objs using a := and save it:
clean_dir1_local_objs := $(local_objs)
clean_dir1: ; rm $(clean_dir1_local_objs)
4. You can dispense with the clean_dir1 targets completely by using a ::
rule for clean. Each Makefile could just have the following that grabs
the local_objs variable and adds commands to the clean target.
clean_dir1_local_objs := $(local_objs)
clean:: ; rm $(clean_dir1_local_objs)
John.
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