diff --git a/Misc/NEWS b/Misc/NEWS
index 2f5adba..ff5dea1 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -1423,3 +1423,7 @@
 
 - main() now calls setlocale(LC_ALL, ""), if setlocale() and
 <locale.h> are defined.
+
+- Changes to configure.in, the configure script, and both
+Makefile.pre.in files, to support SGI's SGI_ABI platform selection
+environment variable.