From: Ionen Wolkens <ionen@gentoo.org>
To: gentoo-dev@lists.gentoo.org
Cc: WANG Xuerui <xen0n@gentoo.org>,
Thilo Fromm <thilo.alexander@gmail.com>,
Flatcar Linux Maintainers <infra@flatcar-linux.org>
Subject: Re: [gentoo-dev] [PATCH 2/2] go-env.eclass: also set GOARM & GO386 when applicable
Date: Thu, 23 Nov 2023 18:01:10 -0500 [thread overview]
Message-ID: <ZV_ZtuUdHkljxiw5@eversor> (raw)
In-Reply-To: <20231123093159.1228864-3-xen0n@gentoo.org>
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On Thu, Nov 23, 2023 at 05:31:59PM +0800, WANG Xuerui wrote:
> This is necessary for the build artifact to conform to the configured
> ISA level and features on those arches. The logic is also taken from
> the dev-lang/go ebuild.
>
> Signed-off-by: WANG Xuerui <xen0n@gentoo.org>
> ---
> eclass/go-env.eclass | 21 +++++++++++++++++++++
> 1 file changed, 21 insertions(+)
>
> diff --git a/eclass/go-env.eclass b/eclass/go-env.eclass
> index 08e3cf498a70..4bc8c4b15c65 100644
> --- a/eclass/go-env.eclass
> +++ b/eclass/go-env.eclass
> @@ -19,6 +19,8 @@ inherit toolchain-funcs
> # @FUNCTION: go-env_set_compile_environment
> # @DESCRIPTION:
> # Set up basic compile environment: CC, CXX, and GOARCH.
> +# Necessary platform-specific settings such as GOARM or GO386 are also set
> +# according to the Portage configuration when building for those architectures.
> # Also carry over CFLAGS, LDFLAGS and friends.
> # Required for cross-compiling with crossdev.
> # If not set, host defaults will be used and the resulting binaries are host arch.
> @@ -28,6 +30,9 @@ go-env_set_compile_environment() {
> tc-export CC CXX
>
> export GOARCH="$(go-env_goarch)"
> + use arm && export GOARM=$(go-env_goarm)
> + use x86 && export GO386=$(usex cpu_flags_x86_sse2 '' 'softfloat')
cpu_flags_x86_sse2 is not an IUSE_IMPLICIT, meaning that emerging a
package without it in IUSE for x86 will result in:
* ERROR: x11-terms/kitty-0.31.0::gentoo failed (compile phase):
* USE Flag 'cpu_flags_x86_sse2' not in IUSE for x11-terms/kitty-0.31.0
> +
> export CGO_CFLAGS="${CGO_CFLAGS:-$CFLAGS}"
> export CGO_CPPFLAGS="${CGO_CPPFLAGS:-$CPPFLAGS}"
> export CGO_CXXFLAGS="${CGO_CXXFLAGS:-$CXXFLAGS}"
> @@ -57,4 +62,20 @@ go-env_goarch() {
> esac
> }
>
> +# @FUNCTION: go-env_goarm
> +# @USAGE: [CHOST-value]
> +# @DESCRIPTION:
> +# Returns the appropriate GOARM setting for the CHOST given, or the default
> +# CHOST.
> +go-env_goarm() {
> + case "${1:-${CHOST}}" in
> + armv5*) echo 5;;
> + armv6*) echo 6;;
> + armv7*) echo 7;;
> + *)
> + die "unknown GOARM for ${1:-${CHOST}}"
> + ;;
> + esac
> +}
> +
> fi
> --
> 2.42.1
>
>
--
ionen
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prev parent reply other threads:[~2023-11-23 23:01 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-23 9:31 [gentoo-dev] [PATCH 0/2] go-env.eclass: niche platform fixes WANG Xuerui
2023-11-23 9:31 ` [gentoo-dev] [PATCH 1/2] go-env.eclass: unify GOARCH mapping logic with dev-lang/go WANG Xuerui
2023-11-23 9:31 ` [gentoo-dev] [PATCH 2/2] go-env.eclass: also set GOARM & GO386 when applicable WANG Xuerui
2023-11-23 23:01 ` Ionen Wolkens [this message]
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