[petsc-dev] clash of --download-xxx with something in /usr/include /usr/local/include

[Jed Brown]

Barry Smith <bsmith at mcs.anl.gov> writes:
>    If the other package (i.e. trilinos) is incorrectly looking in the
>    system location for the hdf5 include files before my installed
>    location* (because somebody, as Satish said, got a -I/usr/include
>    where it doesn't belong). Then I don't think I am capable of doing
>    the right thing period!  

True, but that is a Trilinos bug.

>    Hence I would stop and tell the person they either have to remove
>    those files or they need to use them and not use --download-xxx
>    period.
>
>   Thus I propose if -download-hd5 is used and --download-trilinos we
>   first check for system hdf5 and stop with an error if there are
>   any. Objections?

This would be a stop-gap measure until Trilinos fixes their
configuration bug.
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