unix/moduselect: Don't allow both posix and non-posix configurations.

jimmo · dpgeorge · commit 4c54012373e6 · 2021-02-16T14:59:52.000+11:00
Signed-off-by: Jim Mussared &lt;jim.mussared@gmail.com&gt;
diff --git a/ports/unix/moduselect.c b/ports/unix/moduselect.c
@@ -29,6 +29,10 @@
 
 #if MICROPY_PY_USELECT_POSIX
 
+#if MICROPY_PY_USELECT
+#error "Can't have both MICROPY_PY_USELECT and MICROPY_PY_USELECT_POSIX."
+#endif
+
 #include <stdio.h>
 #include <errno.h>
 #include <poll.h>
