On Thu, Jan 19, 2017 at 10:43 PM, Uros Bizjak <ubiz...@gmail.com> wrote:
> Hello!
>
> Attached patch avoids bootstrap error when building libgfortran for
> soft-float x86 targets. Configure detects when _SOFT_FLOAT is defined
> and uses fpu-generic.h instead of fpu-387.h header.
>
> The patch also imports ax_check_define.m4 from autoconf archive [1] -
> the macro is really handy, and I guess it can be used in many other
> places, avoiding reinventing the wheel.
>
> 2017-01-19 Uros Bizjak <ubiz...@gmail.com>
>
> PR target/78478
> * config/ax_check_define.m4: New file.
>
> libgfortran/ChangeLog:
>
> 2017-01-19 Uros Bizjak <ubiz...@gmail.com>
>
> PR target/78478
> * acinclude.m4: Include ../config/ax_check_define.m4
> * configure.ac: Check if _SOFT_FLOAT is defined.
> * configure.host (i?86 | x86_64): Use fpu-generic when
> have_soft_float is set.
> * configure: Regenerate.
>
> Patch was bootstrapped and regression tested on x86_64-linux-gnu {,-m32}.
>
> OK for mainline and gcc-6 branch?
Ok, thanks.
>
> [1] https://www.gnu.org/software/autoconf-archive/ax_check_define.html
>
> Uros.
--
Janne Blomqvist
