Added a conditional to check for serial port support.

diff --git a/configure.in b/configure.in
index d442da4fb6dde86802f01ffbfee9df8c15ef48e7..1bd788dfcaaf8aefffed519d559c66bac0eed5b1 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -89,9 +89,11 @@ AM_CONDITIONAL(ENABLE_IRIX_AUDIO, test -r /usr/include/audio.h)
 AM_CONDITIONAL(ENABLE_WIN32_AUDIO, test "x$ac_cv_header_windows_h" = "xyes")
 
 dnl Check for (currently Linux only style) joystick support
-
 AM_CONDITIONAL(ENABLE_LINUX_JOYSTICK, test -r /usr/include/linux/joystick.h )
 
+dnl Enable serial support on Unix type systems
+AM_CONDITIONAL(ENABLE_UNIX_SERIAL, test "x$ac_cv_header_windows_h" != "xyes")
+
 dnl extra library and include directories
 EXTRA_DIRS="/usr/local /usr/X11R6 /opt/X11R6"
 
@@ -294,6 +296,7 @@ AC_OUTPUT( \
        Simulator/Makefile \
        Simulator/Objects/Makefile \
        Simulator/Scenery/Makefile \
+       Simulator/Serial/Makefile \
        Simulator/Time/Makefile \
        Simulator/Weather/Makefile \
        Tools/Makefile \