Re: [Xen-devel] xen 4.1.0 rc1 build problem for local CONFIG_QEMU directory

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Thu, 2011-01-13 at 22:54 +0000, M A Young wrote: 
> If you edit Config.mk by commenting CONFIG_QEMU ?= $(QEMU_REMOTE) and 
> uncommenting CONFIG_QEMU ?= ../qemu-xen.git then the build fails with the 
> error
> + test -d ../qemu-xen.git
> + mkdir -p ioemu-dir
> ...
>       cd ioemu-dir; \
>       ../qemu-xen.git/xen-setup
> /bin/sh: line 4: ../qemu-xen.git/xen-setup: No such file or directory
> make[1]: *** [ioemu-dir-find] Error 1
> 
> The problem is that (in tools/Makefile) if CONFIG_QEMU is a directory 
> (when tested from tools) then QEMU_ROOT is set to this. Then the script 
> goes into the ioemu-dir directory and runs $(QEMU_ROOT)/xen-setup . 
> Unfortunately QEMU_ROOT is relative to tools not tools/ioemu-dir and 
> things break. If you hack around this by adding and extra ../ to QEMU_ROOT 
> it fails later because symbolic links created later on such as 
> ioemu-dir/i386-dm/Makefile don't work.
> 
> So far the only way I have found to get it to work properly is to set 
> CONFIG_QEMU to an absolute directory (because I know what it will be) 
> which isn't portable.

Perhaps you could/should use $(XEN_ROOT) and specify the path relative
to it?

Ian.

> 
>       Michael Young
> 
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> http://lists.xensource.com/xen-devel



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