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Re: Ryzen PPA znver1 optimizations
On Fri, 8 Mar 2019 at 11:28, Vanida Plamondon
<vanida.plamondon@gmail.com> wrote:
>
> I realise that, however, debian packages seem to use multiple build
> systems (automake, dh_automake, ninja, etc.), and have no standard
> (that is adhered to), for setting up each build environment.
> Additionally, some packages seem to throw their build configuration
> setup throughout multiple files that are difficult to pin down, and
> usually have little documentation. I am trying to set up a toolchain
> that automatically fetches upstream sources when updated, updates the
> changelog to reflect that the package is znver1 optimised, and
> automatically compiles the package with the znver1 optimisations. Even
> worse, many packages use different environmental variables, and some
> even unset some of such standard variables.
>
> This means I need to setup gcc so that any x86 code thrown at it is
> automatically compiled with znver1 optimisations to overcome these
> limitations.
That's what the configure options Richi showed will do.
N.B. he didn't say to use -march=znver1 when compiling with GCC, he
said to use --with-arch=znver1 when configuring GCC itself.