connect: fix building for recent versions of Minix

EBADIOCTL doesn't exist on more recent Minix.
There have also been substantial changes to the network stack.
Fixes build on Minix 3.4rc

Closes https://github.com/curl/curl/pull/3323

diff --git a/lib/connect.c b/lib/connect.c
index ae9c2de1e53507ee3e0239b0ed0915f2ea92136b..ec3cd3a795677876540f601a4f0de5e31753582e 100644 (file)
--- a/lib/connect.c
+++ b/lib/connect.c
@@ -522,7 +522,7 @@ static bool verifyconnect(curl_socket_t sockfd, int *error)
     err = 0;
   }
 #endif
-#ifdef __minix
+#if defined(EBADIOCTL) && defined(__minix)
   /* Minix 3.1.x doesn't support getsockopt on UDP sockets */
   if(EBADIOCTL == err) {
     SET_SOCKERRNO(0);