Re: [gentoo-dev] [PATCH 2/4] kernel-build.eclass: Build logic for dist-kernels

[Mike Gilbert]

On Sat, Jan 4, 2020 at 4:24 PM Michał Górny <mgorny@g.o> wrote:
> +# @FUNCTION: kernel-build_src_configure
> +# @DESCRIPTION:
> +# Prepare the toolchain for building the kernel, get the default .config
> +# or restore savedconfig, and get build tree configured for modprep.
> +kernel-build_src_configure() {
> +       debug-print-function ${FUNCNAME} "${@}"
> +
> +       # force ld.bfd if we can find it easily
> +       local LD="$(tc-getLD)"
> +       if type -P "${LD}.bfd" &>/dev/null; then
> +               LD+=.bfd
> +       fi
> +
> +       MAKEARGS=(
> +               V=1
> +
> +               HOSTCC="$(tc-getCC)"
> +               HOSTCXX="$(tc-getCXX)"
> +               HOSTCFLAGS="${CFLAGS}"
> +               HOSTLDFLAGS="${LDFLAGS}"

I think the HOST variables should reference the CBUILD toolchain. Example below.

# Sets BUILD_CFLAGS and BUILD_LDFLAGS if not set in make.conf.
tc-export_build_env

HOSTCC="$(tc-getBUILD_CC)"
HOSTCXX="$(tc-getBUILD_CXX)"
HOSTCFLAGS="${BUILD_CFLAGS}"
HOSTLDFLAGS="${BUILD_LDFLAGS}"