James Le Cuirot <ch...@gentoo.org> writes:
> Signed-off-by: James Le Cuirot <ch...@gentoo.org>
> ---
> eclass/cargo.eclass | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/eclass/cargo.eclass b/eclass/cargo.eclass
> index 44d3f7ee31f59..9f0bffee0e048 100644
> --- a/eclass/cargo.eclass
> +++ b/eclass/cargo.eclass
> @@ -532,7 +532,16 @@ cargo_src_configure() {
> # host and target host respectively. Ensure these are set consistently
> between
> # Cargo invocations, otherwise rebuilds will occur.
> cargo_env() {
> + # Shadow flag variables so that filtering below remains local.
> + local flag
> + for flag in $(all-flag-vars); do
> + local -x "${flag}=${!flag}"
> + done
> +
> + # Rust extensions are incompatible with C/C++ LTO compiler see e.g.
> + # https://bugs.gentoo.org/910220
> filter-lto
> +
Maybe mention in the commit message that this is what we do for
distutils-r1 too.
