[dpdk-dev] [PATCH 4/6] net/mlx: fix build with make and recent gcc

Matan Azrad matan at mellanox.com
Wed Aug 14 12:19:33 CEST 2019

From: Thomas Monjalon <thomas at monjalon.net>
> With VERBOSE=1, this error was seen in debug mode with gcc 9.1:
> In file included from /tmp/dpdk.auto-config-h.sh.c.w0VWMi:1:
> In file included from rdma-core/build/include/infiniband/mlx5dv.h:47:
> In file included from rdma-core/build/include/infiniband/verbs.h:46:
> In file included from rdma-core/build/include/infiniband/verbs_api.h:66:
> In file included from rdma-
> core/build/include/infiniband/ib_user_ioctl_verbs.h:38:
> include/rdma/ib_user_verbs.h:161:28: fatal error:
> zero size arrays are an extension [-Wzero-length-array]
> __aligned_u64 driver_data0;
> ^
> 1 error generated.
> As a result, buildtools/auto-config-h.sh was not generating a correct
> autoconf file, so the compilation was generating such error:
> fatal error: redefinition of
> 'mlx5_ib_uapi_flow_action_packet_reformat_type'
> It is fixed by disabling -pedantic option when calling auto-config-h.sh from
> the makefile-based system.
> Cc: adrien.mazarguil at 6wind.com
> Cc: stable at dpdk.org
> Signed-off-by: Thomas Monjalon <thomas at monjalon.net>
Acked-by: Matan Azrad <matan at mellanox.com>

Consider to create more patches to cleanup the compiler commands to ignore pedantic in the code.


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