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Subject: [Bug fortran/47571] [4.6 Regression] undefined reference to clock_gettime in Linux build of 02/01/2011
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47571

John David Anglin <danglin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |danglin at gcc dot gnu.org

--- Comment #16 from John David Anglin <danglin at gcc dot gnu.org> 2011-02-03 00:44:13 UTC ---
(In reply to comment #15)
> Author: jb
> Date: Wed Feb  2 08:48:24 2011
> New Revision: 169517
> 
> URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=169517
> Log:
> PR 47571 Weakref trickery for clock_gettime()
> 
> Modified:
>     trunk/libgfortran/ChangeLog
>     trunk/libgfortran/configure
>     trunk/libgfortran/configure.ac
>     trunk/libgfortran/intrinsics/time_1.h

Causes

/usr/ccs/bin/ld: Invalid symbol type for plabel (.libs/date_and_time.o,
clock_ge
ttime).
collect2: ld returned 1 exit status

on hppa2.0w-hp-hpux11.11.  Weak references don't work on this target and
probably others.