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Re: [Qemu-devel] [PATCH] Makefile: Don't find and delete when $(DSOSUF)

From: Peter Maydell
Subject: Re: [Qemu-devel] [PATCH] Makefile: Don't find and delete when $(DSOSUF) is empty in "make clean"
Date: Mon, 17 Mar 2014 19:15:05 +0000

On 17 March 2014 18:51, Andreas Färber <address@hidden> wrote:
> Am 17.03.2014 09:30, schrieb Markus Armbruster:
>> Stefan Weil <address@hidden> writes:
>>> Am 14.03.2014 09:38, schrieb Fam Zheng:
>>>> DANGEROUS: don't try it before you read to the end.
>>>> A first "make distclean" will unset $(DSOSUF), a following "make
>>>> distclean" or "make clean" will find all the files and delete it.
>>>> Including all the files in the .git directory!
>>> If you only use out-of-tree build, you are safe here. Maybe we should no
>>> longer support in-tree builds. Personally, I nearly never use them.
>> Same here.  Building in-tree is calling for trouble.  I'd support a
>> patch that prevents it.
> What about disabling it only when .git/ is available?

The other idea that's been suggested in the past is to
have the makefile/configure simply map attempts to build
in-tree into 'create builddir and build in it'. This
is probably easier to suggest than to get right in all
situations :-)

-- PMM

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