summaryrefslogtreecommitdiff
path: root/ext/socket/extconf.rb
diff options
context:
space:
mode:
Diffstat (limited to 'ext/socket/extconf.rb')
-rw-r--r--ext/socket/extconf.rb4
1 files changed, 3 insertions, 1 deletions
diff --git a/ext/socket/extconf.rb b/ext/socket/extconf.rb
index 7e72954..62f3dd9 100644
--- a/ext/socket/extconf.rb
+++ b/ext/socket/extconf.rb
@@ -340,7 +340,9 @@ have_func("getpeereid")
have_header("ucred.h", headers)
have_func("getpeerucred")
-have_type("struct ipv6_mreq", headers)
+have_type("struct ip_mreq", headers) # 4.4BSD
+have_type("struct ip_mreqn", headers) # Linux 2.4
+have_type("struct ipv6_mreq", headers) # RFC 3493
# workaround for recent Windows SDK
$defs << "-DIPPROTO_IPV6=IPPROTO_IPV6" if $defs.include?("-DHAVE_CONST_IPPROTO_IPV6") && !have_macro("IPPROTO_IPV6")