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-rw-r--r--gcc/ada/gnat_ugn.texi17
1 files changed, 15 insertions, 2 deletions
diff --git a/gcc/ada/gnat_ugn.texi b/gcc/ada/gnat_ugn.texi
index 4567533b6ae..8c358847036 100644
--- a/gcc/ada/gnat_ugn.texi
+++ b/gcc/ada/gnat_ugn.texi
@@ -13234,8 +13234,21 @@ XREF to invoke @command{^gnatxref^gnatxref^}
@end itemize
@noindent
-Note that the compiler is invoked using the command
-@command{^gnatmake -f -u -c^gnatmake -f -u -c^}.
+(note that the compiler is invoked using the command
+@command{^gnatmake -f -u -c^gnatmake -f -u -c^}).
+
+@noindent
+On non VMS platforms, between @command{gnat} and the command, two
+special switches may be used:
+
+@itemize @bullet
+@item
+@command{-v} to display the invocation of the tool.
+@item
+@command{-dn} to prevent the @command{gnat} driver from removing
+the temporary files it has created. These temporary files are
+configuration files and temporary file list files.
+@end itemize
@noindent
The command may be followed by switches and arguments for the invoked