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From: "fxcoudert at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug fortran/42954] [4.5 regression] TARGET_*_CPP_BUILDINS issues with gfortran
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42954

Francois-Xavier Coudert <fxcoudert at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2010.09.26 13:19:37
               date|                            |
                 CC|                            |fxcoudert at gcc dot
                   |                            |gnu.org
         AssignedTo|unassigned at gcc dot       |fxcoudert at gcc dot
                   |gnu.org                     |gnu.org
            Summary|gfortran with libcpp:       |[4.5 regression]
                   |TARGET_*_CPP_BUILDINS       |TARGET_*_CPP_BUILDINS
                   |issues (MinGW, FreeBSD,     |issues with gfortran
                   |MIPS, Fry)                  |
     Ever Confirmed|0                           |1

--- Comment #6 from Francois-Xavier Coudert <fxcoudert at gcc dot gnu.org> 2010-09-26 13:19:37 UTC ---
(In reply to comment #5)
> Patch for fixing at least target part for preprocessor

Doesn't work, for example as config/alpha/linux.h uses c_dialect_cxx() in the
macro, which is not accessible from the Fortran front-end (being a C-family
function).

I'm conducting of full audit of these macros in config/, and will report back
here when it's done.