# Copyright 1999-2023 Gentoo Authors # Distributed under the terms of the GNU General Public License v2 EAPI=7 export CBUILD=${CBUILD:-${CHOST}} export CTARGET=${CTARGET:-${CHOST}} MY_PV=${PV/_/} inherit toolchain-funcs case ${PV} in *9999*) EGIT_REPO_URI="https://github.com/golang/go.git" inherit git-r3 ;; *) SRC_URI="https://storage.googleapis.com/golang/go${MY_PV}.src.tar.gz " S="${WORKDIR}"/go case ${PV} in *_beta*|*_rc*) ;; *) KEYWORDS="-* amd64 ~arm arm64 ~loong ~mips ppc64 ~riscv ~s390 ~x86 ~amd64-linux ~x86-linux ~x64-macos ~x64-solaris" ;; esac esac DESCRIPTION="A concurrent garbage collected and typesafe programming language" HOMEPAGE="https://go.dev" LICENSE="BSD" SLOT="0/${PV}" IUSE="abi_mips_o32 abi_mips_n64 cpu_flags_x86_sse2" BDEPEND="|| ( dev-lang/go dev-lang/go-bootstrap )" # 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='.*' # Do not strip this package. Stripping is unsupported upstream and may # fail. RESTRICT+=" strip" DOCS=( CONTRIBUTING.md PATENTS README.md SECURITY.md ) go_arch() { # By chance most portage arch names match Go local tc_arch=$(tc-arch $@) case "${tc_arch}" in x86) echo 386;; x64-*) echo amd64;; loong) echo loong64;; mips) if use abi_mips_o32; then [[ $(tc-endian $@) = big ]] && echo mips || echo mipsle elif use abi_mips_n64; then [[ $(tc-endian $@) = big ]] && echo mips64 || echo mips64le fi ;; ppc64) [[ $(tc-endian $@) = big ]] && echo ppc64 || echo ppc64le ;; riscv) echo riscv64 ;; s390) echo s390x ;; *) echo "${tc_arch}";; esac } go_arm() { case "${1:-${CHOST}}" in armv5*) echo 5;; armv6*) echo 6;; armv7*) echo 7;; *) die "unknown GOARM for ${1:-${CHOST}}" ;; esac } go_os() { case "${1:-${CHOST}}" in *-linux*) echo linux;; *-darwin*) echo darwin;; *-freebsd*) echo freebsd;; *-netbsd*) echo netbsd;; *-openbsd*) echo openbsd;; *-solaris*) echo solaris;; *-cygwin*|*-interix*|*-winnt*) echo windows ;; *) die "unknown GOOS for ${1:-${CHOST}}" ;; esac } go_tuple() { echo "$(go_os $@)_$(go_arch $@)" } go_cross_compile() { [[ $(go_tuple ${CBUILD}) != $(go_tuple) ]] } src_compile() { if has_version -b dev-lang/go; then export GOROOT_BOOTSTRAP="${BROOT}/usr/lib/go" elif has_version -b dev-lang/go-bootstrap; then export GOROOT_BOOTSTRAP="${BROOT}/usr/lib/go-bootstrap" else eerror "Go cannot be built without go or go-bootstrap installed" die "Should not be here, please report a bug" fi export GOROOT_FINAL="${EPREFIX}"/usr/lib/go export GOROOT="${PWD}" export GOBIN="${GOROOT}/bin" # Go's build script does not use BUILD/HOST/TARGET consistently. :( export GOHOSTARCH=$(go_arch ${CBUILD}) export GOHOSTOS=$(go_os ${CBUILD}) export CC=$(tc-getBUILD_CC) export GOARCH=$(go_arch) export GOOS=$(go_os) export CC_FOR_TARGET=$(tc-getCC) export CXX_FOR_TARGET=$(tc-getCXX) use arm && export GOARM=$(go_arm) use x86 && export GO386=$(usex cpu_flags_x86_sse2 '' 'softfloat') 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 || die "tests failed" cd .. rm -fr pkg/*_race || die rm -fr pkg/obj/go-build || die } src_install() { # There is a known issue which requires the source tree to be installed [1]. # Once this is fixed, we can consider using the doc use flag to control # installing the doc and src directories. # The use of cp is deliberate in order to retain permissions # [1] https://golang.org/issue/2775 dodir /usr/lib/go cp -R api bin doc lib pkg misc src test "${ED}"/usr/lib/go einstalldocs # testdata directories are not needed on the installed system rm -fr $(find "${ED}"/usr/lib/go -iname testdata -type d -print) 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/${f} done # install the @golang-rebuild set for Portage insinto /usr/share/portage/config/sets newins "${FILESDIR}"/go-sets.conf go.conf } pkg_postinst() { [[ -z ${REPLACING_VERSIONS} ]] && return elog "After ${CATEGORY}/${PN} is updated it is recommended to rebuild" elog "all packages compiled with previous versions of ${CATEGORY}/${PN}" elog "due to the static linking nature of go." elog "If this is not done, the packages compiled with the older" elog "version of the compiler will not be updated until they are" elog "updated individually, which could mean they will have" elog "vulnerabilities." elog "Run 'emerge @golang-rebuild' to rebuild all 'go' packages" elog "See https://bugs.gentoo.org/752153 for more info" }