Re: [gentoo-dev] [PATCH 1/3] meson.eclass: wire up LTO support directly into the meson options

[Sam James]

Eli Schwartz <eschwart...@gmail.com> writes:

> [[PGP Signed Part:Undecided]]
> On 2/20/24 1:24 AM, Mike Gilbert wrote:
>> I'm afraid I get different results. Build log attached. Happy to help
>> figure this out tomorrow.
>> 
>> To test, I applied this patch and ran this:
>> 
>> ABI_X86="32 x32 64" CFLAGS="-O2 -pipe -march=amdfam10 -flto=2" ebuild
>> zstd-1.5.5-r1.ebuild clean configure
>
>
> Yikes. I wonder if this is also a problem for ffmpeg:
>
> multilib_src_configure() {
>
> [...]
>
> # LTO support, bug #566282, bug #754654, bug #772854
> if [[ ${ABI} != x86 ]] && tc-is-lto; then
>         # Respect -flto value, e.g -flto=thin
>         local v="$(get-flag flto)"
>         [[ -n ${v} ]] && myconf+=( "--enable-lto=${v}" ) || myconf+=(
> "--enable-lto" )
> fi
> filter-lto

It is indeed.. https://bugs.gentoo.org/923491.

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