+2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * invoke.texi: Restore documentation of the drivers' switches -MD
+ and -MMD.
+
2001-01-11 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
"@var{file}"}. System header files included with @samp{#include
<@var{file}>} are omitted.
+@item -MD
+@findex -MD
+Like @samp{-M} but the dependency information is written to a file
+rather than stdout. @code{gcc} will use the same file name and
+directory as the object file, but with the suffix ".d" instead.
+
+This is in addition to compiling the main file as specified ---
+@samp{-MD} does not inhibit ordinary compilation the way @samp{-M} does,
+unless you also specify @samp{-MG}.
+
+With Mach, you can use the utility @code{md} to merge multiple
+dependency files into a single dependency file suitable for using with
+the @samp{make} command.
+
+@item -MMD @var{file}
+@findex -MMD
+Like @samp{-MD} except mention only user header files, not system
+-header files.
+
@item -MF @var{file}
@findex -MF
When used with @samp{-M} or @samp{-MM}, specifies a file to write the