[Dune] headercheck

[Jö Fahlke]

Am Fri, 21. Jan 2011, 17:32:26 +0100 schrieb Carsten Gräser:
> 1) Whats's the difference between the make targets
>    headercheck, headercheck-am, and headercheck-recursive?

My guess is the following:

 * "headercheck-am" runs the headercheck in the current directory only,

 * "headercheck-recursive" calls "make -C $subdir headercheck" for all subdirs
   and "make -C . headercheck-am" for the current directory

 * "headercheck" is the user-friendly version: it checks whether a particular
   header is to checked (if HEADER is set) and avoids recursion in this case.

> 2) Our module has a test for an external library that defines
>    FOO_CPPFLAGS for usage in the applications Makefile.am.
>    Unfortunately, 'make headercheck' is not aware of this
>    include. What's the desired way to provide the flags to
>    the headercheck?

I don't think there is a way to pass additional flags beyond those from
ALL_PKG_*.  Maybe you can provide some values that will work in most cases by
making use of an "#ifdef HEADERCHECK"-conditional.  Or you header simply does
not work with headercheck, then you can add it to the "headercheck_IGNORE"
makefile-variable.  Unfortunately, when a header appears in
"headercheck_IGNORE", headercheck will ignore it not only when it just checks
all headers in a directory, but also when you request checking that header
explicitly.

>    I suspect one has to call DUNE_ADD_ALL_PKG in the test - at least
>    this should work. However, it's not documented what is supposed
>    to be in the ALL_PKG_* variables.

AFAICR ALL_PKG_* is supposed to contain all flags of all detected libraries,
whether they are optional or not (except for cases like Alberta where they
conflict).

Bye,
Jö.

-- 
Den Slogan "Wer Deutschland nicht liebt, soll Deutschland verlassen!"
kommentierte eine Kellnerin in einem Restaurant unter den Linden mit:
"Sind die bekloppt?  Wer soll denn dann noch arbeiten gehen?"
-- aus http://de.indymedia.org/2007/08/191280.shtml
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