Re: [Qemu-devel] compile qemu.git failed on RHEL6

["Daniel P. Berrange" <berrange@redhat.com>]

On Wed, Sep 09, 2015 at 06:59:11AM +0000, Zheng, Di wrote:
> Hi all:
> 
> 
> Compile qemu.git failed on RHEL6 while succeed on RHEL7.
> 
> Reproduce steps:
> ./configure --target-list=x86_64-softmmu
> make
> 
> Failed log:
> ...
> GEN   x86_64-softmmu/config-devices.mak
>   GEN   config-all-devices.mak
> Traceback (most recent call last):
>   File "/root/cathy/qemu.git/scripts/qapi-visit.py", line 467, in <module>
>     ret = generate_visit_struct(expr)
>   File "/root/cathy/qemu.git/scripts/qapi-visit.py", line 145, in generate_visit_struct
>     ret = generate_visit_struct_fields(name, members, base)
>   File "/root/cathy/qemu.git/scripts/qapi-visit.py", line 92, in generate_visit_struct_fields
>     name=argname)
>   File "/root/cathy/qemu.git/scripts/qapi.py", line 954, in mcgen
>     return cgen(code, **kwds)
>   File "/root/cathy/qemu.git/scripts/qapi.py", line 947, in cgen
>     raw = re.subn("^.", indent + r'\g<0>', raw, 0, re.MULTILINE)
> TypeError: subn() takes at most 4 arguments (5 given)
> make: *** [tests/test-qapi-visit.h] Error 1
> make: *** Deleting file `tests/test-qapi-visit.h'
> make: *** Waiting for unfinished jobs....

Yep, this is a bug in QEMU - it is intended to be buildable with
Python >= 2.6, but appears to have used a feature from 2.7, so
we need to fix that


Regards,
Daniel
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