Re: [Qemu-devel] [Qemu-trivial] [PATCH 1/2] Makefile: distclean should clean all possible targets

[Michael Roth <mdroth@linux.vnet.ibm.com>]

On 07/27/2011 08:55 AM, Alexandre Raymond wrote:
>> There are many more object files that are built conditionally.  Why is
>> it okay not to delete them?
>
> Perhaps they should be deleted too...
>
> The GNU Make manual says the following about "distclean":
> http://www.gnu.org/s/hello/manual/make/Standard-Targets.html
>
> "Delete all files in the current directory (or created by this
> makefile) that are created by configuring or building the program. If
> you have unpacked the source and built the program without creating
> any other files, ‘make distclean’ should leave only the files that
> were in the distribution. However, there is no need to delete parent
> directories that were created with ‘mkdir -p’, since they could have
> existed anyway. "
>
> Now, if everyone agrees that "distclean" is fine as it is, I won't
> insist on anything.
>
>

I'm with you in that distclean to me reads as "make clean for 
re-distribution". i.e. a pristine source tree.

But I do agree that if we want to implement it in that fashion there 
would be a bit more work to do.

>>
>> If you unwisely messed up your source tree by building in it, a simple
>> and reliable way out is to git-clone yourself a new one.  Or if you
>> insist on recovering in-place, remove files outside .git that aren't in
>> git.
>>
>
> Indeed.
>
> Alexandre
>