[Bug fortran/47571] [4.6 Regression] undefined reference to clock_gettime in Linux build of 02/01/2011

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47571

--- Comment #33 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-03-14 
11:41:53 UTC ---
I think you should add below the hunk defining conditionally
GF_CLOCK_MONOTONIC:
#ifndef GF_CLOCK_MONOTONIC
#undef HAVE_CLOCK_GETTIME
#undef HAVE_CLOCK_GETTIME_LIBRT
#endif
now that you don't define GF_CLOCK_MONOTONIC if CLOCK_REALTIME isn't defined.