LTO on Windows now working

[Rene Engelhard]

Hi,

Am 23.09.20 um 15:49 schrieb Tor Lillqvist:
> By the way, did you manage to get all external libraries to get built
> using LTO, too? Or just what goes into our merged library? As far as I
> see, we use gb_LTOFLAGS only in three ExternalProject_foo.mk files.
> Should it be used in them all? Should we append gb_LTOFLAGS to CC and
> CXX instead of keeping it separate?
>
At least in a test I did yesterday building skia failed (on Linux)
because clang++ doesn't know -flto=4...


Regards,


Rene