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@@ -22,6 +22,13 @@ so we will look at it and add it to the manual.
* Installation Changes in Emacs 24.2
+
+** New configure option '--enable-gcc-warnings', intended for developers.
+If building with GCC, this enables compile-time checks that warn about
+possibly-questionable C code. On a recent GNU system there should be
+no warnings; on older and on non-GNU systems the generated warnings
+may or may not be useful. By default, these warnings are not generated.
+
* Startup Changes in Emacs 24.2