On Mon, 11 Apr 2016 12:46:16 +0200
Simon K?gstr?m <simon.kagstrom at netinsight.net> wrote:
> Hi!
>
> I'm upgrading from DPDK 2.1 to 16.04-rc4, and have a new build issue
> which I didn't see before. It's in the librte_table and happens from
> time to time (unfrequently) in my out-of-tree build. It looks like a
> race between comilation and SYMLINK-FILE:
>
> [...]
> == Build lib/librte_table
> CC rte_table_lpm_ipv6.o
> CC rte_table_lpm.o
> CC rte_table_acl.o
> CC rte_table_hash_key8.o
> In file included from [...]lib/librte_table/rte_table_lpm.c:43:0:
> [...]/dpdk.build/include/rte_lpm.h:484:25: fatal error: rte_lpm_sse.h:
> No such file or directory
> #include "rte_lpm_sse.h"
> ^
> compilation terminated.
> CC rte_table_hash_key16.o
> [...]
>
> In this case, rte_lpm_sse.h is optionally symlinked if we're not on ARM.
> I've tried patching away the issue by unconditionally symlinking the
> _{neon,sse}.h files, and while I don't see the problem after that, I
> don't really see why it would improve the situation.
>
> Does anyone else see this as well?
>
> // Simon
The issue is a missing dependency in the mk file for LPM.
