diff options
Diffstat (limited to 'ext')
| -rw-r--r-- | ext/socket/extconf.rb | 3 | ||||
| -rw-r--r-- | ext/socket/rubysocket.h | 10 |
2 files changed, 11 insertions, 2 deletions
diff --git a/ext/socket/extconf.rb b/ext/socket/extconf.rb index 7c31030d72..a6bc9bb46c 100644 --- a/ext/socket/extconf.rb +++ b/ext/socket/extconf.rb @@ -117,8 +117,7 @@ if !have_macro("IPPROTO_IPV6", headers) && have_const("IPPROTO_IPV6", headers) } end -if (have_func("sendmsg") | have_func("recvmsg")) && /64-darwin/ !~ RUBY_PLATFORM - # CMSG_ macros are broken on 64bit darwin, because of use of __DARWIN_ALIGN. +if have_func("sendmsg") | have_func("recvmsg") have_struct_member('struct msghdr', 'msg_control', ['sys/types.h', 'sys/socket.h']) have_struct_member('struct msghdr', 'msg_accrights', ['sys/types.h', 'sys/socket.h']) end diff --git a/ext/socket/rubysocket.h b/ext/socket/rubysocket.h index 356e6f3b1a..60ac25fbbd 100644 --- a/ext/socket/rubysocket.h +++ b/ext/socket/rubysocket.h @@ -138,6 +138,16 @@ struct sockaddr_storage { }; #endif +#if defined __APPLE__ && defined __MACH__ +/* + * CMSG_ macros are broken on 64bit darwin, because __DARWIN_ALIGN + * aligns up to __darwin_size_t which is 64bit, but CMSG_DATA is + * 32bit-aligned. + */ +#undef __DARWIN_ALIGNBYTES +#define __DARWIN_ALIGNBYTES (sizeof(unsigned int) - 1) +#endif + #if defined(_AIX) #ifndef CMSG_SPACE # define CMSG_SPACE(len) (_CMSG_ALIGN(sizeof(struct cmsghdr)) + _CMSG_ALIGN(len)) |