(Compilation): Document "M-x recompile".

diff --git a/man/building.texi b/man/building.texi
index d5c8043017345ee762266aefdecb9afa822c5994..797ac2daa819332d23e4428866612c654cf3138e 100644 (file)
--- a/man/building.texi
+++ b/man/building.texi
@@ -44,6 +44,9 @@ compilation errors occurred.
 @item M-x compile
 Run a compiler asynchronously under Emacs, with error messages going to
 the @samp{*compilation*} buffer.
+@item M-x recompile
+Invoke a compiler with the same command as in the last invocation of
+@kbd{M-x compile}.
 @item M-x grep
 Run @code{grep} asynchronously under Emacs, with matching lines
 listed in the buffer named @samp{*grep*}.
@@ -105,6 +108,11 @@ compilation, as only one can exist at any time.  However, @kbd{M-x
 compile} asks for confirmation before actually killing a compilation
 that is running.
 
+@findex recompile
+  To rerun the last compilation with the same command, type @kbd{M-x
+recompile}.  This automatically reuses the compilation command from the
+last invocation of @kbd{M-x compile}.
+
 @node Grep Searching
 @section Searching with Grep under Emacs