On Sat, Sep 4, 2021 at 7:31 PM Sandra Loosemore <sandra@codesourcery.com> wrote:
>
> The testcase gfortran.dg/PR100914.f90 that I recently checked in
> (originally written by José Rui Faustino de Sousa) depends on the
> <quadmath.h> header file to obtain a typedef for __complex128.  It
> appears not to be possible to define an equivalent type in a portable
> way in the testcase itself (see
> https://gcc.gnu.org/onlinedocs/gcc-11.2.0/gcc/Floating-Types.html) so
> this patch skips the test entirely on targets where quadmath.h is not
> available.
>
> The target-supports.exp change was cut-and-pasted from similar code in
> that file, but I haven't figured out how to test this change in a build
> that doesn't provide quadmath.h (e.g., my aarch64-linux-gnu toolchain
> build attempt croaked with an unrelated compilation error in glibc).
> Perhaps someone who previously encountered the FAILs on this testcase
> can confirm that it's skipped with this change?

Since libqaudmath provides <quadmath.h>, I prefer either of 2 patches
enclosed here.

-- 
H.J.