XEmacs 21.2.41 "Polyhymnia".

[chise/xemacs-chise.git-] / src / s / aix4.h

diff --git a/src/s/aix4.h b/src/s/aix4.h
index bb3a15d..8837db7 100644 (file)
--- a/src/s/aix4.h
+++ b/src/s/aix4.h
@@ -30,3 +30,12 @@ struct sockaddr_dl;
    -- Mike Sperber <mike@xemacs.org> */
 
 #undef HAVE_GETADDRINFO
+
+#ifdef __xlC__
+/* IBM's C compiler miscompiles this function.  From IBM's docs:
+   -qstrict turns off the following optimizations:
+
+   Performing code motion and scheduling on computations such as loads
+   and floating-point computations that may trigger an exception. */
+#pragma option_override (bytecount_to_charcount, "opt(strict,yes)")
+#endif /* IBM's C compiler */