Re: [Xen-devel] [PATCH] tools/check: check for headers and libraries in EXTRA_INCLUDES and EXTRA_LIB

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Roger Pau Monné writes ("Re: [Xen-devel] [PATCH] tools/check: check for headers 
and libraries in EXTRA_INCLUDES and EXTRA_LIB"):
> And variables where not passed to executed script.

mariner:~/junk> cat t.make
export TEST=value

target:
        printenv | grep TEST
mariner:~/junk> make -f t.make target
printenv | grep TEST
TEST=value
mariner:~/junk>


Or if you prefer documentation, here is what Debian's
make-doc-non-dfsg 3.81-5 has to say:

  5.7.2 Communicating Variables to a Sub-`make'
  ---------------------------------------------

  ...

     To pass down, or "export", a variable, `make' adds the variable and
  its value to the environment for running each command.  The sub-`make',
  in turn, uses the environment to initialize its table of variable
  values.  *Note Variables from the Environment: Environment.

Ian.

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