ni...@lysator.liu.se (Niels Möller) writes:

  I wonder why we have an -I flag pointing to tests/mpz. We don't have any
  header files there. Is a generic "-I." added somewhere ? Looking in
  Makefile.in, I see

    $ grep -- -I tests/mpz/Makefile.in 
    DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)
    AM_CPPFLAGS = -I$(top_srcdir) -I$(top_srcdir)/tests

  The -I$(top...)... things should be no problem. So I'd guess it's the

    -I.@am__isrc@

  What's @am__isrc@? Is there a way to tell automake to omit it in
  DEFAULT_INCLUDES?

I don't know much about auto*, unfortunately.

For the case which fails for the GMP nightbuilds, the source directory
and the build directory are separate.  It sounds like am_isrc has
something to do with sources, but maybe I am naive in the interpretation
here.  The hardwired "." seems quite strange.

(If you want to check  if that -I.@am__isrc@ is he culprit, I assume
adding some gremlin before it would do?  -I.BLAH.@am__isrc@

-- 
Torbjörn
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