gcc/fortran/cpp.c contains:
/* FIXME: Pandora's Box
Using the macros below results in multiple breakages:
- mingw will fail to compile this file as dependent macros
assume to be used in c-cppbuiltin.c only. Further, they use
flags only valid/defined in C (same as noted above).
[config/i386/mingw32.h, config/i386/cygming.h]
- other platforms (not as popular) break similarly
[grep for 'builtin_define_with_int_value' in gcc/config/]
TARGET_CPU_CPP_BUILTINS ();
TARGET_OS_CPP_BUILTINS ();
TARGET_OBJFMT_CPP_BUILTINS (); */
Grepping for builtin_define_with_int_value shows:
gcc/config/frv/frv.h
gcc/config/i386/mingw32.h
gcc/config/mips/mips.h
gcc/config/freebsd-spec.h
Expected: The macros which make only sense for C are only used for C, e.g. many
of the __attribute__(()) ones.
--
Summary: gfortran with libcpp: TARGET_*_CPP_BUILDINS issues
(MinGW, FreeBSD, MIPS, Fry)
Product: gcc
Version: 4.5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: burnus at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42954
