[patch, fortran] PR18428: use libcpp for preprocessing (review of C/C++ and fortran maintainers needed)

[Tobias Burnus]

Danny Smith wrote:
> This patch also breaks mingw32
>
> ../../src/gcc/fortran/cpp.c: In function 'cpp_define_builtins':
>   
I assume that is without the patch:

r135892 | dfranke | 2008-05-26 09:43:17 +0200 (Mon, 26 May 2008) | 6 lines

2008-05-26  Daniel Franke  <franke.daniel@gmail.com>

        PR bootstrap/36331
        * c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.


Can you ensure that you have that patch and try again? There might be 
other problems, but I think that patch should fix this build problem.

Tobias