Recognize rtems as an o/s.

diff --git a/config.sub b/config.sub
index 3073b69..d86a27e 100755 (executable)
--- a/config.sub
+++ b/config.sub
@@ -662,7 +662,7 @@ case $os in
              | -lynxos* | -bosx* | -nextstep* | -cxux* | -aout* | -elf* \
              | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
              | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
-             | -cygwin32* | -pe* | -psos* | -moss* | -proelf* )
+             | -cygwin32* | -pe* | -psos* | -moss* | -proelf* | -rtems*)
        # Remember, each alternative MUST END IN *, to match a version number.
                ;;
        -sunos5*)