https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113152
--- Comment #10 from anlauf at gcc dot gnu.org --- (In reply to kargl from comment #0) > Created attachment 56949 [details] > patch with implementation Not a review, just a comment: diff --git a/gcc/fortran/simplify.cc b/gcc/fortran/simplify.cc index 87fefe46cfd..4e546ddb8fa 100644 --- a/gcc/fortran/simplify.cc +++ b/gcc/fortran/simplify.cc @@ -30,6 +30,14 @@ along with GCC; see the file COPYING3. If not see #include "constructor.h" #include "version.h" /* For version_string. */ +/* MPFR 4.2.0 introduced half-cycle trigonometric functions, e.g., sinpi(x). + Introduce a macro so older versions of the MPFR can still be used. */ + +#ifdef MPFR_HALF_CYCLE +#undef MPFR_HALF_CYCLE +#endif +#define MPFR_HALF_CYCLE (MPFR_VERSION_MAJOR > 3 && MPFR_VERSION_MINOR > 1) + /* Prototypes. */ This does not look right, as it would exclude e.g. all mpfr-[5-9].[01] How about: #define MPFR_HALF_CYCLE (MPFR_VERSION_MAJOR * 100 + MPFR_VERSION_MINOR >= 402)
