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go-env.eclass: also set GOARM & GO386 when applicable

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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>
Closes: https://github.com/gentoo/gentoo/pull/33941
Signed-off-by: Sam James <sam@gentoo.org>
This commit is contained in:
WANG Xuerui
2023-11-23 16:28:54 +08:00
committed by Sam James
parent 0061d78424
commit 64224abbe0
1 changed files with 21 additions and 0 deletions
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21
eclass/go-env.eclass
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@@ -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=$(usex cpu_flags_x86_sse2 '' 'softfloat')
export CGO_CFLAGS="${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