why is some output placed under "srctree" even if i specify output dir?

"Robert P. J. Day" <rpjday@xxxxxxxxxxxxxx> · Fri, 27 Jun 2014 08:34:07 -0400 (EDT)

  perhaps another silly question, but i typically like to build with
all output generated in an external directory to keep my source
directory clean, but if i do that building the docs for barebox on the
"doc" branch:

  $ export KBUILD_OUTPUT=../barebox_build
  $ make docs

i still get the output files "Documentation/commands/*.rst" dumped in
my source directory because of:

docs: FORCE
        @mkdir -p $(srctree)/Documentation/commands
        @$(srctree)/Documentation/gen_commands.py $(srctree) $(srctree)/Documentation/commands
        @$(SPHINXBUILD) -b html -d $(objtree)/doctrees $(srctree)/Documentation \
                $(objtree)/Documentation/html

is this deliberate? it strikes me as inconsistent if i *explicitly*
specify an external build directory.

rday

-- 

========================================================================
Robert P. J. Day                                 Ottawa, Ontario, CANADA
                        http://crashcourse.ca

Twitter:                                       http://twitter.com/rpjday
LinkedIn:                               http://ca.linkedin.com/in/rpjday
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