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# Copyright 1999-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=9
export CBUILD=${CBUILD:-${CHOST}}
export CTARGET=${CTARGET:-${CHOST}}
# See "Bootstrap" in release notes
GO_BOOTSTRAP_MIN=1.24.6
MY_PV=${PV/_/}
inherit flag-o-matic go-env toolchain-funcs
case ${PV} in
*9999*)
EGIT_REPO_URI="https://github.com/golang/go.git"
inherit git-r3
;;
*)
SRC_URI="https://go.dev/dl/go${MY_PV}.src.tar.gz "
S="${WORKDIR}"/go
KEYWORDS="-* ~amd64 ~arm ~arm64 ~loong ~mips ~ppc64 ~riscv ~s390 ~x86 ~x64-macos ~x64-solaris"
;;
esac
DESCRIPTION="A concurrent garbage collected and typesafe programming language"
HOMEPAGE="https://go.dev"
LICENSE="BSD"
SLOT="0/${PV}"
IUSE="cpu_flags_x86_sse2"
BDEPEND="|| (
>=dev-lang/go-${GO_BOOTSTRAP_MIN}
>=dev-lang/go-bootstrap-${GO_BOOTSTRAP_MIN} )"
# the *.syso files have writable/executable stacks
QA_EXECSTACK='*.syso'
# Do not complain about CFLAGS, etc, since Go doesn't use them.
QA_FLAGS_IGNORED='.*'
# The tools in /usr/lib/go should not cause the multilib-strict check to fail.
QA_MULTILIB_PATHS="usr/lib/go/pkg/tool/.*/.*"
# This package triggers "unrecognized elf file(s)" notices on riscv.
# https://bugs.gentoo.org/794046
QA_PREBUILT="*"
QA_PRESTRIPPED="*.syso"
# The Go data race detector (go test -race) requires an unstripped Go toolchain.
# https://bugs.gentoo.org/961618
RESTRICT="strip"
DOCS=(
CONTRIBUTING.md
PATENTS
README.md
SECURITY.md
)
go_tuple() {
echo "$(go-env_goos $@)_$(go-env_goarch $@)"
}
go_cross_compile() {
[[ $(go_tuple ${CBUILD}) != $(go_tuple) ]]
}
PATCHES=(
"${FILESDIR}"/go-1.24-skip-gdb-tests.patch
"${FILESDIR}"/go-1.25-no-dwarf5.patch
"${FILESDIR}"/go-never-download-newer-toolchains.patch
)
src_compile() {
if has_version -b ">=dev-lang/go-${GO_BOOTSTRAP_MIN}"; then
export GOROOT_BOOTSTRAP="${BROOT}/usr/lib/go"
elif has_version -b ">=dev-lang/go-bootstrap-${GO_BOOTSTRAP_MIN}"; then
export GOROOT_BOOTSTRAP="${BROOT}/usr/lib/go-bootstrap"
else
eerror "Go cannot be built without go or go-bootstrap installed"
die "Should not be here, please report a bug"
fi
if tc-is-gcc ; then
# XXX: Hack for checking ICE (bug #912152, gcc PR113204)
#
# For either USE=debug or an unreleased compiler, non-default
# checking will trigger.
if has_version -b "sys-devel/gcc[debug]" || [[ $(gcc-minor-version) -eq 0 ]] ; then
rm src/cmd/link/cgo_test.go || die
fi
# bug #929219
replace-flags -g3 -g
replace-flags -ggdb3 -ggdb
fi
# Go's build script does not use BUILD/HOST/TARGET consistently. :(
export GOHOSTARCH=$(go-env_goarch ${CBUILD})
export GOHOSTOS=$(go-env_goos ${CBUILD})
export CC=$(tc-getBUILD_CC)
export GOARCH=$(go-env_goarch)
export GOOS=$(go-env_goos)
export CC_FOR_TARGET=$(tc-getCC)
export CXX_FOR_TARGET=$(tc-getCXX)
use arm && export GOARM=$(go-env_goarm)
use x86 && export GO386=$(go-env_go386)
cd src
bash -x ./make.bash || die "build failed"
}
src_test() {
go_cross_compile && return 0
cd src
PATH="${GOBIN}:${PATH}" \
./run.bash -no-rebuild -k || die "tests failed"
}
src_install() {
dodir /usr/lib/go
# The use of cp is deliberate in order to retain permissions
cp -R . "${ED}"/usr/lib/go
einstalldocs
# testdata directories are not needed on the installed system
# The other files we remove are installed by einstalldocs
rm -r $(find "${ED}"/usr/lib/go -iname testdata -type d -print) || die
rm "${ED}"/usr/lib/go/{CONTRIBUTING.md,PATENTS,README.md} || die
rm "${ED}"/usr/lib/go/{SECURITY.md,codereview.cfg,LICENSE} || die
local bin_path
if go_cross_compile; then
bin_path="bin/$(go_tuple)"
else
bin_path=bin
fi
local f x
for x in ${bin_path}/*; do
f=${x##*/}
dosym ../lib/go/${bin_path}/${f} /usr/bin/${f}
done
}
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