1 files changed, 29 insertions, 18 deletions
diff --git a/ext/socket/extconf.rb b/ext/socket/extconf.rb
index 2022467f14..23003637e0 100644
--- a/ext/socket/extconf.rb
+++ b/ext/socket/extconf.rb
@@ -43,6 +43,7 @@ if enable_config("ipv6", default_ipv6)
   if checking_for("ipv6") {try_link(<<EOF)}
 #include <sys/types.h>
 #include <sys/socket.h>
+int
 main()
 {
   socket(AF_INET6, SOCK_STREAM, 0);
@@ -119,8 +120,9 @@ if have_func("sendmsg") | have_func("recvmsg")
   have_struct_member('struct msghdr', 'msg_accrights', ['sys/types.h', 'sys/socket.h'])
 end
 
-getaddr_info_ok = enable_config("wide-getaddrinfo") do
-  checking_for("wide getaddrinfo") {try_run(<<EOF)}
+getaddr_info_ok = (enable_config("wide-getaddrinfo") && :wide) ||
+  (checking_for("wide getaddrinfo") {try_run(<<EOF)} && :os)
+#{COMMON_HEADERS}
 #{cpp_include(headers)}
 #include <stdlib.h>
 
@@ -135,6 +137,7 @@ getaddr_info_ok = enable_config("wide-getaddrinfo") do
 #define AF_LOCAL AF_UNIX
 #endif
 
+int
 main()
 {
   int passive, gaierr, inet4 = 0, inet6 = 0;
@@ -227,7 +230,6 @@ main()
   exit(EXIT_FAILURE);
 }
 EOF
-end
 if ipv6 and not getaddr_info_ok
   abort <<EOS
 
@@ -252,11 +254,33 @@ Fatal: invalid value for --with-lookup-order-hack (expected INET, INET6 or UNSPE
 EOS
 end
 
+have_type("struct addrinfo", headers)
+have_func("freehostent")
+have_func("freeaddrinfo")
+if have_func("gai_strerror")
+  if checking_for("gai_strerror() returns const pointer") {!try_compile(<<EOF)}
+#{COMMON_HEADERS}
+#{cpp_include(headers)}
+#include <stdlib.h>
+void
+conftest_gai_strerror_is_const()
+{
+    *gai_strerror(0) = 0;
+}
+EOF
+    $defs << "-DGAI_STRERROR_CONST"
+  end
+end
+
 $objs = ["socket.#{$OBJEXT}"]
 
-unless getaddr_info_ok and have_func("getnameinfo", "netdb.h") and have_func("getaddrinfo", "netdb.h")
+if getaddr_info_ok == :wide or
+    !have_func("getnameinfo", headers) or !have_func("getaddrinfo", headers)
   if have_struct_member("struct in6_addr", "s6_addr8", headers)
-    $defs[-1] = "-DHAVE_ADDR8"
+    $defs[-1] = "s6_addr=s6_addr8"
+  end
+  if ipv6 == "kame" && have_struct_member("struct in6_addr", "s6_addr32", headers)
+    $defs[-1] = "-DFAITH"
   end
   $CPPFLAGS="-I. "+$CPPFLAGS
   $objs += ["getaddrinfo.#{$OBJEXT}"]
@@ -264,19 +288,6 @@ unless getaddr_info_ok and have_func("getnameinfo", "netdb.h") and have_func("ge
   have_func("inet_ntop") or have_func("inet_ntoa")
   have_func("inet_pton") or have_func("inet_aton")
   have_func("getservbyport")
-  if have_func("gai_strerror")
-    unless checking_for("gai_strerror() returns const pointer") {!try_compile(<<EOF)}
-#{cpp_include(headers)}
-#include <stdlib.h>
-void
-conftest_gai_strerror_is_const()
-{
-    *gai_strerror(0) = 0;
-}
-EOF
-      $defs << "-DGAI_STRERROR_CONST"
-    end
-  end
   have_header("arpa/nameser.h")
   have_header("resolv.h")
 end