[petsc-dev] nightly build problems because dependencies are not properly listed in tests!

[Satish Balay]

On Mon, 27 Feb 2017, Satish Balay wrote:

> On Mon, 27 Feb 2017, Jed Brown wrote:
> 
> > Scott Kruger <kruger at txcorp.com> writes:
> > 
> > > On 2/27/17 10:06 AM, Tobin Isaac wrote:
> > >> On Sun, Feb 26, 2017 at 09:57:25PM -0600, Barry Smith wrote:
> > >>>
> > >>> #	[0]PETSC ERROR: Mesh generation needs external package support.
> > >>> #	Please reconfigure with --download-triangle.
> > >>>
> > >>> is appearing in a bunch of nightly build errors
> > >>>
> > >>> http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2017/02/26/examples_full_next.log
> > >>>
> > >>> Please make sure you list all package dependencies in your test cases before pushing a branch to next. Though Jonathan Shewchuk is a god of programming this does not mean that triangle is always installed on all computers at birth. You waste everybody's time by not handling these basics before pushing to next, plus you slow down the process of moving your branch to master.
> > >>>
> > >>
> > >> Good advice, but the specific problem here is win32fe + intel
> > >> compilers wants to mixup the executables between directories.  Satish
> > >> and I have had a thread on this.
> > >>
> > >
> > > It looks to me like a gmake bug, but we need verbose
> > > output and some debugging to be sure.
> > 
> > What do I need to reproduce it?
> 
> Sorry - this is a win32fe issue. I'm attempting to fix it in
> win32fe. Will push it once I test my fix..

Added fix to balay/fix-win32fe-tmp-obj-usage and merged to next now.

Satish

> 
> The issue is: win32fe tries to keep objfiles as .o [same as linux] -
> and then moves files over to .obj - for the link step. Currently its
> storing this in $TMP. So when multiple (make) threads compile ex1.c
> simultaneously [in different example dirs] - they get mapped into
> $TMP/ex1.obj - so the wrong objfile can get linked into the executable
> by one of the threads.
> 
> My current fix is to change win32fe to create .obj in the same
> location as .o
> 
> Satish
>