Hi Phil, > Thanks for the patch! I tested and it may be simplified a bit: > > [...] > > + #if defined(__UAPI_DEF_ETHHDR) && __UAPI_DEF_ETHHDR == 0 > > + return 0; > > + #else > > + #error error trying musl... > > + #endif > [...] > > Since the non-failure case is the default, this is sufficient: > > | #if ! defined(__UAPI_DEF_ETHHDR) || __UAPI_DEF_ETHHDR != 0 > | #error error trying musl... > | #endif > > Fine with you? If so, I'll push the modified patch out. > > Thanks, Phil Looks good to me :) Cheers, Josh