Generate c for feature instead of tdesc

gdb/doc:

2017-06-15  Yao Qi  <yao.qi@linaro.org>
:
	* gdb.texinfo (a C source file.  By default, the target description is for the current):

diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index 04d344e644d1a42bd5041045ad4b0cf0e19b588c..08a7681a4961f7083d7bb4beb4d285982f32768d 100644 (file)
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -34694,7 +34694,9 @@ a C source file.  By default, the target description is for the current
 target, but if the optional argument @var{file} is provided, that file
 is used to produce the description.  The @var{file} should be an XML
 document, of the form described in @ref{Target Description Format}.
-The created source file is built into @value{GDBN}.
+The created source file is built into @value{GDBN} when @value{GDBN} is
+built again.  This command is used by developers after they add or
+modify XML target descriptions.
 
 @kindex maint print dummy-frames
 @item maint print dummy-frames