On Sun, Oct 21, 2018 at 08:30:03AM +0200, Tobias Platen wrote:
On 10/20/2018 09:09 PM, Tobias Platen wrote:
Here are the build logs from guix. I have tried building the toolchain
twice, but in both cases glibc failed to build.
[...]
running configure fragment for sysdeps/powerpc/powerpc64/le
checking if powerpc64le-linux-gcc supports binary128 floating point type... no
checking if the target machine is at least POWER8... yes
configure: error: *** binary128 floating point type (GCC >= 6.2) is required
on powerpc64le.
Searching around, I found other distros hit the same problem for their
POWER ports, and needed to explicitly configure GCC >= 6.2 to build with
128-bit floating point types. Specifically, with the option
'--with-long-double-128':
https://github.com/advancetoolchain/advance-toolchain/commit/e22696eecb39c6b401df14001f01608807e4d934
http://lists.busybox.net/pipermail/buildroot/2017-August/200952.html
I hope that helps!