[dpdk-dev] build issue with out-of-tree builds and multiple mounts

[Olivier MATZ]

Hi Simon,

On 05/04/2015 02:42 PM, Simon Kågström wrote:
> Hi!
> 
> I'm trying to do a out-of-tree build of DPDK 2.0.0 (with make -C and
> O=), but failing with errors such as
> 
>   In file included from
> [...]/lib/librte_eal/common/include/rte_eal_memconfig.h:40:0,
>   [...]
>   rte_malloc_heap.h:39:26: fatal error: rte_spinlock.h: No such file or
> directory
> 
> Looking in the include/ directory in my build directory, I see a lot of
> invalid symlinks to things like rte_spinlock.h:
> 
>   lrwxrwxrwx 1 ska users   99 May  4 14:33 rte_spinlock.h ->
> ../[...]/dpdk/lib/librte_eal/common/include/arch/x86/rte_spinlock.h

Can you please send the full make command line that produces this
issue?

Thanks,
Olivier



> 
> and I believe that this is caused by my use of multiple mounts: I have
> my home directory and the source code on NFS, while the build directory
> is on local disk (under a build/-symlink from my home directory). So
> using ../ relative to the build directory will actually end up on the
> local disk, and not work.
> 
> 
> I guess it should be possible to workaround this by building somewhere
> else, but perhaps there is some patch to be made in mk/? Any pointer to
> where to look?
> 
> // Simon
>