[llvm-jitlink] Fix Windows build after 4a8161f

Author: weliveindetail

llvm/tools/llvm-jitlink/llvm-jitlink.cpp

@@ -677,6 +677,12 @@ static Error createTCPSocketError(Twine Details) {
 }
 
 static Expected<int> connectTCPSocket(std::string Host, std::string PortStr) {
+#ifndef LLVM_ON_UNIX
+  // FIXME: Add TCP support for Windows.
+  return make_error<StringError>("-" + OutOfProcessExecutorConnect.ArgStr +
+                                     " not supported on non-unix platforms",
+                                 inconvertibleErrorCode());
+#else
   addrinfo *AI;
   addrinfo Hints{};
   Hints.ai_family = AF_INET;
@@ -711,6 +717,7 @@ static Expected<int> connectTCPSocket(std::string Host, std::string PortStr) {
     return createTCPSocketError(std::strerror(errno));
 
   return SockFD;
+#endif
 }
 
 Expected<std::unique_ptr<TargetProcessControl>>