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The Virtual Ethernet driver doesn't build when the musl libc is used on the system. As stated in the musl wiki [1], the userspace and kernel headers are mixed leading to a "clash" with the definitions provided by musl. Remove netinet/if_ether.h userspace header and replace ETHER_ADDR_LEN by ETH_ALEN [2] and ETHERMTU by ETH_DATA_LEN [3] in veth-linuxuser.c. Fixes: http://autobuild.buildroot.org/results/2ca/2ca04bb046263e479e7597867b56469893d3c11d/ Upsteam status: pending https://github.com/OpenAutomationTechnologies/openPOWERLINK_V2/pull/120 [Rebase on v2.2.2] [1] http://wiki.musl-libc.org/wiki/FAQ#Q:_why_am_i_getting_.22error:_redefinition_of_struct_ethhdr.2Ftcphdr.2Fetc.22_.3F [2] https://git.musl-libc.org/cgit/musl/tree/include/net/ethernet.h?h=v1.1.14#n35 [3] https://git.musl-libc.org/cgit/musl/tree/include/net/ethernet.h?h=v1.1.14#n48 Signed-off-by: Romain Naour <romain.naour@gmail.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>