GNU bug report logs - #17614
parallel compilation fails

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Package: automake; Reported by: Peter Johansson <trojkan@HIDDEN>; dated Wed, 28 May 2014 04:53:02 UTC; Maintainer for automake is bug-automake@HIDDEN.

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Date: Wed, 28 May 2014 15:01:30 +1000
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Subject: Re: bug#17614: parallel compilation fails
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On 05/28/2014 02:52 PM, Peter Johansson wrote:
> Hi,
>
> I have a project with a libtool archive built from many source files. 
> When I build with 'make -j40' I get error message
>
> mv: `yat/statistics/.deps/Percentiler.Tpo' and 
> `yat/statistics/.deps/Percentiler.Plo' are the same file
> make[1]: *** [yat/statistics/Percentiler.lo] Error 1
>
>
> Looks like some kind of race problem, but I cannot see anything wrong 
> in the Makefile. Is this a known problem? If not let me know what 
> would be useful.
>
I forgot to mention that the source file in question, 'Percentiler.cc', 
is extremely small (only a constructor that copies a bool and a double) 
so the compilation is extremely fast.

Cheers,

-- 
Peter Johansson





Information forwarded to bug-automake@HIDDEN:
bug#17614; Package automake. Full text available.

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Hi,

I have a project with a libtool archive built from many source files. 
When I build with 'make -j40' I get error message

mv: `yat/statistics/.deps/Percentiler.Tpo' and 
`yat/statistics/.deps/Percentiler.Plo' are the same file
make[1]: *** [yat/statistics/Percentiler.lo] Error 1


Looks like some kind of race problem, but I cannot see anything wrong in 
the Makefile. Is this a known problem? If not let me know what would be 
useful.

The Makefile is generated with Automake 1.14

Thanks,
Peter

-- 
Peter Johansson





Acknowledgement sent to Peter Johansson <trojkan@HIDDEN>:
New bug report received and forwarded. Copy sent to bug-automake@HIDDEN. Full text available.
Report forwarded to bug-automake@HIDDEN:
bug#17614; Package automake. Full text available.
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Last modified: Fri, 31 Oct 2014 17:00:04 UTC

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