gentoo resync : 15.01.2020

3 files changed, 496 insertions, 0 deletions

diff --git a/dev-lang/go/Manifest b/dev-lang/go/Manifest
index 016d272e3e97..0b8924f5e9d0 100644
--- a/dev-lang/go/Manifest
+++ b/dev-lang/go/Manifest
@@ -11,11 +11,15 @@ DIST go-linux-s390x-bootstrap-1.8.tbz 57124869 BLAKE2B 920a176b8f4fc3a816e724324
 DIST go-solaris-amd64-bootstrap-1.8.tbz 54926326 BLAKE2B 0a45312f090d81ebf46fe5950cb65c059e2801394231e715e94145d1f918eb59b10472b2385e57ebd5cfb9eca0ad7290fb118436486b665520bb540970f971ab SHA512 52b849e5b9a940e10de7ba3df0ebdf6e1c5d631de9581d936c9edf8f38e6bb3314acbc2b2d5202b0528fde2a359d52bc0c6f39acf9b1b614725e4b4a947ed10d
 DIST go1.12.13.src.tar.gz 21980338 BLAKE2B 205bee35a947ccd08f36547530e3de7928f5f3970be89580ddff80f7710dd1dcf4f292c10ec93c27717ce25ce2575f7151129430b80d1fb927872f891166d8db SHA512 a8210ba909c1bb26799625bbf648204dbef5a9f91af323277f76caee489f5912a08e9de686b71fe97d30c7dc171d5f4bcf8a2c2227d02353cfbb7d292c9efc22
 DIST go1.12.14.src.tar.gz 20726032 BLAKE2B 2defecd29568974c1618ce0da42d9e28ef41904ed3f759b51c7e392ed9dea950a4984efa333e52b413fab3dac8270bb99f60e113712bfc648c4c9af0e19aba7d SHA512 6cd225282fbade8bd7e96789744c7db07f223f5309358ca3768c95c34a099b44bd9ba9adc2ce293a5bbd608237ae6473b86e7bb451db395c647809fc2750dd4c
+DIST go1.12.15.src.tar.gz 20726294 BLAKE2B d123fc2328bf9db8f7337108e3d6857c31e10829096d47fb58519861b68bc0e2bdc9f032fc076666124ab418d3f37026107d6a853021fecbf26138bf00963572 SHA512 887e331c73b9d174e4a707a85be389fa0de43c77bc191ef5e0fe326ac7285374404450ca081cb8e92514a973d25d0314ca74eb17c8e53f8386e1798edd9d41aa
 DIST go1.13.4.src.tar.gz 21619153 BLAKE2B 2efc86fd0830b9c8935c856244baaec1e63232dd08b696544da900927ba56fd686b5899ec1640fbcbb21c8c5ac9581cfde3fcb5c06ccfabd0fd2f181b398da46 SHA512 e8155cdceca2ebefd386feef98223bbdc92d9316f7188d4ba701cf43a723b75a9bf67a1eb92ac80987b7a113a2fb6981ef235292bec7dd3964805b7c33abdbb1
 DIST go1.13.5.src.tar.gz 21629437 BLAKE2B c39a52e73136a322a1b6b4ee6888672848ff2b3278d8034ec25b93101fff2b63212d66c065d3d974ca7e8686cba8a9ea9c4fedb23cad51b6cd76adae6db6eb42 SHA512 bc9ddb12855c66dba5fe859bd13b7b3163259b8a8b0d3cbf6892e528ae4c6418c6b4c0d49838e7a5fc2e9f404484899b8f30c45e49e7d30109093025b62ed6c0
+DIST go1.13.6.src.tar.gz 21631050 BLAKE2B 8923021d5ff785f5422ee204ee81c986fc066a878a347bc73625974f05045689f694f76147c9bf7956dc59d6e3d3a543f0970e0716df8cd4f6556c28fe23808b SHA512 dffb6e06eea0b1541901dfbed8d28e8cc1eac3184dc40a19ed3637737df796a67a2e7170b228e1003d36b14e6f0f13bb8be9d2a702834a9c06228d1821659528
 EBUILD go-1.12.13.ebuild 6436 BLAKE2B 6f52ccf741bd999cca536d599abe82ba955d0563fde091fd4f2244355ac6c12669750c595b0fbb6b8e50afd35f8101fcabc99b28826be77f626a4df0a76b9528 SHA512 5ee9fd4957f0302ecd931ee87b3b6dc30ba4e010bf5c1e33e94a70197af90f3d6d6c198336205d7a13eb6dee39b103d823483ee28281619adefea0ed38c91025
 EBUILD go-1.12.14.ebuild 6440 BLAKE2B d18087c473db165632af20bb3787e6feadf24fde6854d4f493ab110ddf67fa3fa285ac676ffde752ddc8cfe0fd2c012acd310b958633ab894a513f44b134854f SHA512 6949c83e29ffb41bac9317b8ffa2d2ae3b990327db2716ed6285cc0053f54935f8e377bf9f45e63cd7d5f2f980d67941ea781f6ed7e65917b9ce0e109021116f
+EBUILD go-1.12.15.ebuild 6440 BLAKE2B d18087c473db165632af20bb3787e6feadf24fde6854d4f493ab110ddf67fa3fa285ac676ffde752ddc8cfe0fd2c012acd310b958633ab894a513f44b134854f SHA512 6949c83e29ffb41bac9317b8ffa2d2ae3b990327db2716ed6285cc0053f54935f8e377bf9f45e63cd7d5f2f980d67941ea781f6ed7e65917b9ce0e109021116f
 EBUILD go-1.13.4.ebuild 6440 BLAKE2B d18087c473db165632af20bb3787e6feadf24fde6854d4f493ab110ddf67fa3fa285ac676ffde752ddc8cfe0fd2c012acd310b958633ab894a513f44b134854f SHA512 6949c83e29ffb41bac9317b8ffa2d2ae3b990327db2716ed6285cc0053f54935f8e377bf9f45e63cd7d5f2f980d67941ea781f6ed7e65917b9ce0e109021116f
 EBUILD go-1.13.5.ebuild 6440 BLAKE2B d18087c473db165632af20bb3787e6feadf24fde6854d4f493ab110ddf67fa3fa285ac676ffde752ddc8cfe0fd2c012acd310b958633ab894a513f44b134854f SHA512 6949c83e29ffb41bac9317b8ffa2d2ae3b990327db2716ed6285cc0053f54935f8e377bf9f45e63cd7d5f2f980d67941ea781f6ed7e65917b9ce0e109021116f
+EBUILD go-1.13.6.ebuild 6440 BLAKE2B d18087c473db165632af20bb3787e6feadf24fde6854d4f493ab110ddf67fa3fa285ac676ffde752ddc8cfe0fd2c012acd310b958633ab894a513f44b134854f SHA512 6949c83e29ffb41bac9317b8ffa2d2ae3b990327db2716ed6285cc0053f54935f8e377bf9f45e63cd7d5f2f980d67941ea781f6ed7e65917b9ce0e109021116f
 EBUILD go-9999.ebuild 6440 BLAKE2B d18087c473db165632af20bb3787e6feadf24fde6854d4f493ab110ddf67fa3fa285ac676ffde752ddc8cfe0fd2c012acd310b958633ab894a513f44b134854f SHA512 6949c83e29ffb41bac9317b8ffa2d2ae3b990327db2716ed6285cc0053f54935f8e377bf9f45e63cd7d5f2f980d67941ea781f6ed7e65917b9ce0e109021116f
 MISC metadata.xml 663 BLAKE2B fc92966e1b4a155b4d442842988d0404c0148b029d187ab7294d49dabad771296d63ca3184128ac27cea4e74e7d6cfc8852084ca8f1d15a1d0755586a0bf68de SHA512 f67b7e312cfb2a896552ae73e835d53ffbb0a7c71c30f0a7cb44c65e2753055e185e7a5c48e2cfff33a42609629cc3c32ee56a9d8f61d8429798c1e8424e36bf
diff --git a/dev-lang/go/go-1.12.15.ebuild b/dev-lang/go/go-1.12.15.ebuild
new file mode 100644
index 000000000000..5e3547cfeada
--- /dev/null
+++ b/dev-lang/go/go-1.12.15.ebuild
@@ -0,0 +1,246 @@
+# Copyright 1999-2019 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
+
+BOOTSTRAP_VERSION="bootstrap-1.8"
+BOOTSTRAP_DIST="https://dev.gentoo.org/~williamh/dist"
+BOOTSTRAP_URI="
+	${BOOTSTRAP_DIST}/go-linux-amd64-${BOOTSTRAP_VERSION}.tbz
+	${BOOTSTRAP_DIST}/go-linux-arm-${BOOTSTRAP_VERSION}.tbz
+	${BOOTSTRAP_DIST}/go-linux-arm64-${BOOTSTRAP_VERSION}.tbz
+	${BOOTSTRAP_DIST}/go-linux-ppc64-${BOOTSTRAP_VERSION}.tbz
+	${BOOTSTRAP_DIST}/go-linux-ppc64le-${BOOTSTRAP_VERSION}.tbz
+	${BOOTSTRAP_DIST}/go-linux-s390x-${BOOTSTRAP_VERSION}.tbz
+	${BOOTSTRAP_DIST}/go-linux-386-${BOOTSTRAP_VERSION}.tbz
+	${BOOTSTRAP_DIST}/go-freebsd-amd64-${BOOTSTRAP_VERSION}.tbz
+	${BOOTSTRAP_DIST}/go-freebsd-386-${BOOTSTRAP_VERSION}.tbz
+	${BOOTSTRAP_DIST}/go-darwin-amd64-${BOOTSTRAP_VERSION}.tbz
+	${BOOTSTRAP_DIST}/go-solaris-amd64-${BOOTSTRAP_VERSION}.tbz
+"
+
+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 ~ppc64 ~s390 ~x86 ~amd64-linux ~x86-linux ~x64-macos ~x64-solaris"
+		# The upstream tests fail under portage but pass if the build is
+		# run according to their documentation [1].
+		# I am restricting the tests on released versions until this is
+		# solved.
+		# [1] https://golang.org/issues/18442
+		RESTRICT="test"
+		;;
+	esac
+esac
+
+# If gccgo or a previously installed version of dev-lang/go is not being
+# used to build Go, there is no way to know the architecture or operating system
+# of the build machine, so we need to download all of our bootstrap
+# archives to allow this ebuild to work under crossdev.
+#
+# https://bugs.gentoo.org/671394
+SRC_URI+="!gccgo? ( !system-bootstrap? ( ${BOOTSTRAP_URI} ) )"
+
+DESCRIPTION="A concurrent garbage collected and typesafe programming language"
+HOMEPAGE="https://golang.org"
+
+LICENSE="BSD"
+SLOT="0/${PV}"
+IUSE="gccgo system-bootstrap"
+
+BDEPEND="gccgo? ( >=sys-devel/gcc-5[go] )"
+RDEPEND="!<dev-go/go-tools-0_pre20150902"
+
+# These test data objects have writable/executable stacks.
+QA_EXECSTACK="
+	usr/lib/go/src/debug/elf/testdata/*.obj
+	usr/lib/go/src/*.gox
+	"
+
+# Do not complain about CFLAGS, etc, since Go doesn't use them.
+QA_FLAGS_IGNORED='.*'
+
+REQUIRES_EXCLUDE="/usr/lib/go/src/debug/elf/testdata/*"
+
+# The tools in /usr/lib/go should not cause the multilib-strict check to fail.
+QA_MULTILIB_PATHS="usr/lib/go/pkg/tool/.*/.*"
+
+# Do not strip this package. Stripping is unsupported upstream and may
+# fail.
+RESTRICT+=" strip"
+
+DOCS=(
+AUTHORS
+CONTRIBUTING.md
+CONTRIBUTORS
+PATENTS
+README.md
+)
+
+go_arch()
+{
+	# By chance most portage arch names match Go
+	local portage_arch=$(tc-arch $@)
+	case "${portage_arch}" in
+		x86)	echo 386;;
+		x64-*)	echo amd64;;
+		ppc64) [[ $(tc-endian $@) = big ]] && echo ppc64 || echo ppc64le ;;
+		s390) echo s390x ;;
+		*)		echo "${portage_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) ]]
+}
+
+pkg_pretend()
+{
+	# make.bash does not understand cross-compiling a cross-compiler
+	if [[ $(go_tuple) != $(go_tuple ${CTARGET}) ]]; then
+		die "CHOST CTARGET pair unsupported: CHOST=${CHOST} CTARGET=${CTARGET}"
+	fi
+	[[ ${MERGE_TYPE} != binary ]] &&
+		use system-bootstrap && ! has_version "dev-lang/go" &&
+		die "dev-lang/go must be installed to use the system-bootstrap use flag"
+}
+
+src_unpack()
+{
+	if [[ ${PV} = 9999 ]]; then
+		git-r3_src_unpack
+	else
+		unpack "go${MY_PV}.src.tar.gz"
+	fi
+	use gccgo || use system-bootstrap ||
+		unpack "go-$(go_os ${CBUILD})-$(go_arch ${CBUILD})-${BOOTSTRAP_VERSION}.tbz"
+}
+
+src_compile()
+{
+	export GOROOT_BOOTSTRAP="${WORKDIR}"/go-$(go_os ${CBUILD})-$(go_arch ${CBUILD})-bootstrap
+	if use gccgo; then
+		mkdir -p "${GOROOT_BOOTSTRAP}/bin" || die
+		local go_binary=$(gcc-config --get-bin-path)/go-$(gcc-major-version)
+		[[ -x ${go_binary} ]] || go_binary=$(
+			find "${EPREFIX}"/usr/${CHOST}/gcc-bin/*/go-$(gcc-major-version) |
+				sort -V | tail -n1)
+		[[ -x ${go_binary} ]] ||
+			die "go-$(gcc-major-version): command not found"
+		ln -s "${go_binary}" "${GOROOT_BOOTSTRAP}/bin/go" || die
+	elif use system-bootstrap; then
+		export GOROOT_BOOTSTRAP="${EPREFIX}"/usr/lib/go
+	fi
+	export GOROOT_FINAL="${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)
+	if [[ ${ARCH} == arm ]]; then
+		export GOARM=$(go_arm)
+	fi
+
+	cd src
+	./make.bash || die "build failed"
+}
+
+src_test()
+{
+	go_cross_compile && return 0
+
+	cd src
+	PATH="${GOBIN}:${PATH}" \
+	./run.bash -no-rebuild || die "tests failed"
+}
+
+src_install()
+{
+	local bin_path f x
+
+	dodir /usr/lib/go
+
+	# 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.
+	# [1] https://golang.org/issue/2775
+	#
+	# deliberately use cp to retain permissions
+	cp -R api bin doc lib pkg misc src test "${ED}"/usr/lib/go
+	if go_cross_compile; then
+		bin_path="bin/$(go_tuple)"
+	else
+		bin_path=bin
+	fi
+	for x in ${bin_path}/*; do
+		f=${x##*/}
+		dosym ../lib/go/${bin_path}/${f} /usr/bin/${f}
+	done
+	einstalldocs
+
+	if [[ ${CHOST} == *-darwin* ]] ; then
+		# fix install_name for test object (binutils_test) on Darwin, it
+		# is never used in real circumstances
+		local libmac64="${EPREFIX}"/usr/lib/go/src/cmd/vendor/github.com/
+		      libmac64+=google/pprof/internal/binutils/testdata/lib_mac_64
+		install_name_tool -id "${libmac64}" "${D}${libmac64}"
+	fi
+}
diff --git a/dev-lang/go/go-1.13.6.ebuild b/dev-lang/go/go-1.13.6.ebuild
new file mode 100644
index 000000000000..5e3547cfeada
--- /dev/null
+++ b/dev-lang/go/go-1.13.6.ebuild
@@ -0,0 +1,246 @@
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+export CBUILD=${CBUILD:-${CHOST}}
+export CTARGET=${CTARGET:-${CHOST}}
+
+MY_PV=${PV/_/}
+
+inherit toolchain-funcs
+
+BOOTSTRAP_VERSION="bootstrap-1.8"
+BOOTSTRAP_DIST="https://dev.gentoo.org/~williamh/dist"
+BOOTSTRAP_URI="
+	${BOOTSTRAP_DIST}/go-linux-amd64-${BOOTSTRAP_VERSION}.tbz
+	${BOOTSTRAP_DIST}/go-linux-arm-${BOOTSTRAP_VERSION}.tbz
+	${BOOTSTRAP_DIST}/go-linux-arm64-${BOOTSTRAP_VERSION}.tbz
+	${BOOTSTRAP_DIST}/go-linux-ppc64-${BOOTSTRAP_VERSION}.tbz
+	${BOOTSTRAP_DIST}/go-linux-ppc64le-${BOOTSTRAP_VERSION}.tbz
+	${BOOTSTRAP_DIST}/go-linux-s390x-${BOOTSTRAP_VERSION}.tbz
+	${BOOTSTRAP_DIST}/go-linux-386-${BOOTSTRAP_VERSION}.tbz
+	${BOOTSTRAP_DIST}/go-freebsd-amd64-${BOOTSTRAP_VERSION}.tbz
+	${BOOTSTRAP_DIST}/go-freebsd-386-${BOOTSTRAP_VERSION}.tbz
+	${BOOTSTRAP_DIST}/go-darwin-amd64-${BOOTSTRAP_VERSION}.tbz
+	${BOOTSTRAP_DIST}/go-solaris-amd64-${BOOTSTRAP_VERSION}.tbz
+"
+
+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 ~ppc64 ~s390 ~x86 ~amd64-linux ~x86-linux ~x64-macos ~x64-solaris"
+		# The upstream tests fail under portage but pass if the build is
+		# run according to their documentation [1].
+		# I am restricting the tests on released versions until this is
+		# solved.
+		# [1] https://golang.org/issues/18442
+		RESTRICT="test"
+		;;
+	esac
+esac
+
+# If gccgo or a previously installed version of dev-lang/go is not being
+# used to build Go, there is no way to know the architecture or operating system
+# of the build machine, so we need to download all of our bootstrap
+# archives to allow this ebuild to work under crossdev.
+#
+# https://bugs.gentoo.org/671394
+SRC_URI+="!gccgo? ( !system-bootstrap? ( ${BOOTSTRAP_URI} ) )"
+
+DESCRIPTION="A concurrent garbage collected and typesafe programming language"
+HOMEPAGE="https://golang.org"
+
+LICENSE="BSD"
+SLOT="0/${PV}"
+IUSE="gccgo system-bootstrap"
+
+BDEPEND="gccgo? ( >=sys-devel/gcc-5[go] )"
+RDEPEND="!<dev-go/go-tools-0_pre20150902"
+
+# These test data objects have writable/executable stacks.
+QA_EXECSTACK="
+	usr/lib/go/src/debug/elf/testdata/*.obj
+	usr/lib/go/src/*.gox
+	"
+
+# Do not complain about CFLAGS, etc, since Go doesn't use them.
+QA_FLAGS_IGNORED='.*'
+
+REQUIRES_EXCLUDE="/usr/lib/go/src/debug/elf/testdata/*"
+
+# The tools in /usr/lib/go should not cause the multilib-strict check to fail.
+QA_MULTILIB_PATHS="usr/lib/go/pkg/tool/.*/.*"
+
+# Do not strip this package. Stripping is unsupported upstream and may
+# fail.
+RESTRICT+=" strip"
+
+DOCS=(
+AUTHORS
+CONTRIBUTING.md
+CONTRIBUTORS
+PATENTS
+README.md
+)
+
+go_arch()
+{
+	# By chance most portage arch names match Go
+	local portage_arch=$(tc-arch $@)
+	case "${portage_arch}" in
+		x86)	echo 386;;
+		x64-*)	echo amd64;;
+		ppc64) [[ $(tc-endian $@) = big ]] && echo ppc64 || echo ppc64le ;;
+		s390) echo s390x ;;
+		*)		echo "${portage_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) ]]
+}
+
+pkg_pretend()
+{
+	# make.bash does not understand cross-compiling a cross-compiler
+	if [[ $(go_tuple) != $(go_tuple ${CTARGET}) ]]; then
+		die "CHOST CTARGET pair unsupported: CHOST=${CHOST} CTARGET=${CTARGET}"
+	fi
+	[[ ${MERGE_TYPE} != binary ]] &&
+		use system-bootstrap && ! has_version "dev-lang/go" &&
+		die "dev-lang/go must be installed to use the system-bootstrap use flag"
+}
+
+src_unpack()
+{
+	if [[ ${PV} = 9999 ]]; then
+		git-r3_src_unpack
+	else
+		unpack "go${MY_PV}.src.tar.gz"
+	fi
+	use gccgo || use system-bootstrap ||
+		unpack "go-$(go_os ${CBUILD})-$(go_arch ${CBUILD})-${BOOTSTRAP_VERSION}.tbz"
+}
+
+src_compile()
+{
+	export GOROOT_BOOTSTRAP="${WORKDIR}"/go-$(go_os ${CBUILD})-$(go_arch ${CBUILD})-bootstrap
+	if use gccgo; then
+		mkdir -p "${GOROOT_BOOTSTRAP}/bin" || die
+		local go_binary=$(gcc-config --get-bin-path)/go-$(gcc-major-version)
+		[[ -x ${go_binary} ]] || go_binary=$(
+			find "${EPREFIX}"/usr/${CHOST}/gcc-bin/*/go-$(gcc-major-version) |
+				sort -V | tail -n1)
+		[[ -x ${go_binary} ]] ||
+			die "go-$(gcc-major-version): command not found"
+		ln -s "${go_binary}" "${GOROOT_BOOTSTRAP}/bin/go" || die
+	elif use system-bootstrap; then
+		export GOROOT_BOOTSTRAP="${EPREFIX}"/usr/lib/go
+	fi
+	export GOROOT_FINAL="${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)
+	if [[ ${ARCH} == arm ]]; then
+		export GOARM=$(go_arm)
+	fi
+
+	cd src
+	./make.bash || die "build failed"
+}
+
+src_test()
+{
+	go_cross_compile && return 0
+
+	cd src
+	PATH="${GOBIN}:${PATH}" \
+	./run.bash -no-rebuild || die "tests failed"
+}
+
+src_install()
+{
+	local bin_path f x
+
+	dodir /usr/lib/go
+
+	# 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.
+	# [1] https://golang.org/issue/2775
+	#
+	# deliberately use cp to retain permissions
+	cp -R api bin doc lib pkg misc src test "${ED}"/usr/lib/go
+	if go_cross_compile; then
+		bin_path="bin/$(go_tuple)"
+	else
+		bin_path=bin
+	fi
+	for x in ${bin_path}/*; do
+		f=${x##*/}
+		dosym ../lib/go/${bin_path}/${f} /usr/bin/${f}
+	done
+	einstalldocs
+
+	if [[ ${CHOST} == *-darwin* ]] ; then
+		# fix install_name for test object (binutils_test) on Darwin, it
+		# is never used in real circumstances
+		local libmac64="${EPREFIX}"/usr/lib/go/src/cmd/vendor/github.com/
+		      libmac64+=google/pprof/internal/binutils/testdata/lib_mac_64
+		install_name_tool -id "${libmac64}" "${D}${libmac64}"
+	fi
+}