[[Imported from SVN: r4864]]

[[Imported from SVN: r4856]]

[[Imported from SVN: r4852]]

[[Imported from SVN: r4846]]

[[Imported from SVN: r4843]]

[[Imported from SVN: r4841]]

[[Imported from SVN: r4835]]

[[Imported from SVN: r4826]]

[[Imported from SVN: r4814]]

[[Imported from SVN: r4813]]

[[Imported from SVN: r4810]]

[[Imported from SVN: r4809]]

[[Imported from SVN: r4808]]

[[Imported from SVN: r4807]]

- just giving a more verbose error message doesn't solve the problem

- The issue has been solved within UG.  The UG build system now aborts
  when --enable-dune is set but not __cplusplus.  I had just forgotten
  to close the issue.  Beg your pardon.

Please try to avoid unrelated indentation and whitespace changes in
patches, as the diffs become more difficult to read.



[[Imported from SVN: r4805]]

It's my pleasure....


[[Imported from SVN: r4804]]

[[Imported from SVN: r4796]]

[[Imported from SVN: r4781]]

[[Imported from SVN: r4776]]

[[Imported from SVN: r4773]]

[[Imported from SVN: r4772]]

[[Imported from SVN: r4771]]

Now configure works even if no fortran compiler is there.
Just how should be!

[[Imported from SVN: r4764]]

[[Imported from SVN: r4763]]

[[Imported from SVN: r4762]]

[[Imported from SVN: r4760]]

[[Imported from SVN: r4752]]

disable dune libcheck, because AC_TRY_LINK fails, although everythins is OK. Perhaps a libtool problem

[[Imported from SVN: r4751]]

[[Imported from SVN: r4750]]

[[Imported from SVN: r4743]]

module via pkg-config and then asks pkg-config for the include path,
libs, etc.


[[Imported from SVN: r4742]]

[[Imported from SVN: r4738]]

[[Imported from SVN: r4736]]

[[Imported from SVN: r4733]]

[[Imported from SVN: r4731]]

This fix ensures, that for example -I'dune-common' is only added once to
the DUNE_CPPFLAGS. 


[[Imported from SVN: r4730]]

troubles when using mpicxx and there are only shared lib of mpi.



[[Imported from SVN: r4709]]

Many thanks to Klaus Schneider for the hint!

[[Imported from SVN: r4702]]

[[Imported from SVN: r4693]]

for dune/common/stdstreams.hh

[[Imported from SVN: r4692]]