[dpdk-dev] [PATCH 1/2] mk: fix build for clang 4

Thomas Monjalon thomas at monjalon.net
Wed Apr 19 15:23:44 CEST 2017


17/04/2017 16:35, Ferruh Yigit:
> clang 4 gives "taking address of packed member may result in an
> unaligned pointer value" warnings in a few locations [1].
> 
> Disabled "-Waddress-of-packed-member" warning for clang >= 4
> 
> [1] build errors:
> .../lib/librte_eal/common/eal_common_memzone.c:275:25:
> error: taking address of packed member 'mlock' of class or structure
> 'rte_mem_config' may result in an unaligned pointer value
> [-Werror,-Waddress-of-packed-member]
>         rte_rwlock_write_lock(&mcfg->mlock);
>                                ^~~~~~~~~~~
> 
> .../lib/librte_ip_frag/rte_ipv4_reassembly.c:139:31:
> error: taking address of packed member 'src_addr' of class or structure
> 'ipv4_hdr' may result in an unaligned pointer value
> [-Werror,-Waddress-of-packed-member]
>         psd = (unaligned_uint64_t *)&ip_hdr->src_addr;
>                                      ^~~~~~~~~~~~~~~~
> 
> .../lib/librte_vhost/vhost_user.c:1037:34:
> error: taking address of packed member 'payload' of class or structure
> 'VhostUserMsg' may result in an unaligned pointer value
> [-Werror,-Waddress-of-packed-member]
> 	vhost_user_set_vring_num(dev, &msg.payload.state);
> 				       ^~~~~~~~~~~~~~~~~
> 
> Signed-off-by: Ferruh Yigit <ferruh.yigit at intel.com>

Series applied, thanks


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