diff --git a/include/boost/asio/detail/reactive_serial_port_service.hpp b/include/boost/asio/detail/reactive_serial_port_service.hpp
index 9b3130c1..c6d719be 100644
--- a/include/boost/asio/detail/reactive_serial_port_service.hpp
+++ b/include/boost/asio/detail/reactive_serial_port_service.hpp
@@ -109,7 +109,16 @@ public:
     s = descriptor_ops::error_wrapper(::tcgetattr(fd, &ios), ec);
     if (s >= 0)
     {
+#if defined(_BSD_SOURCE)
       ::cfmakeraw(&ios);
+#else
+      ios.c_iflag &= ~(IGNBRK | BRKINT | PARMRK
+          | ISTRIP | INLCR | IGNCR | ICRNL | IXON);
+      ios.c_oflag &= ~OPOST;
+      ios.c_lflag &= ~(ECHO | ECHONL | ICANON | ISIG | IEXTEN);
+      ios.c_cflag &= ~(CSIZE | PARENB);
+      ios.c_cflag |= CS8;
+#endif
       ios.c_iflag |= IGNPAR;
       descriptor_ops::clear_error(ec);
       s = descriptor_ops::error_wrapper(::tcsetattr(fd, TCSANOW, &ios), ec);
diff --git a/include/boost/asio/impl/serial_port_base.ipp b/include/boost/asio/impl/serial_port_base.ipp
index 24ed7e7b..3dd7ba89 100644
--- a/include/boost/asio/impl/serial_port_base.ipp
+++ b/include/boost/asio/impl/serial_port_base.ipp
@@ -108,7 +108,12 @@ inline boost::system::error_code serial_port_base::baud_rate::store(
     ec = boost::asio::error::invalid_argument;
     return ec;
   }
+# if defined(_BSD_SOURCE)
   ::cfsetspeed(&storage, baud);
+# else
+  ::cfsetispeed(&storage, baud);
+  ::cfsetospeed(&storage, baud);
+# endif
 #endif
   ec = boost::system::error_code();
   return ec;
@@ -242,16 +247,25 @@ inline boost::system::error_code serial_port_base::flow_control::store(
   {
   case none:
     storage.c_iflag &= ~(IXOFF | IXON);
+# if defined(_BSD_SOURCE)
     storage.c_cflag &= ~CRTSCTS;
+# endif
     break;
   case software:
     storage.c_iflag |= IXOFF | IXON;
+# if defined(_BSD_SOURCE)
     storage.c_cflag &= ~CRTSCTS;
+# endif
     break;
   case hardware:
+# if defined(_BSD_SOURCE)
     storage.c_iflag &= ~(IXOFF | IXON);
     storage.c_cflag |= CRTSCTS;
     break;
+# else
+    ec = boost::asio::error::operation_not_supported;
+    return ec;
+# endif
   default:
     break;
   }