John David Anglin writes:
> 2015-12-05 John David Anglin
>
> PR 68115/libfortran
> * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
> * configure: Regenerate.
> * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
> to void.
The use of libbacktrace in libgfortran exposed a libgfortran build issue on
hppa64-hp-hpux11.11.
This target doesn't have any __sync builtins, so we need to set
libbacktrace_cv_sys_sync to no
when with_target_subdir is set and configure tests are not done.
This exposed a compilation issue in elf
