diff --git a/dev-lang/go/Manifest b/dev-lang/go/Manifest
index 3ba43f455800f..9474bd5167b25 100644
--- a/dev-lang/go/Manifest
+++ b/dev-lang/go/Manifest
@@ -10,3 +10,4 @@ DIST go-linux-ppc64le-bootstrap.tbz 50134685 SHA256 ca816a3e3cbd7721200522fa3984
 DIST go-linux-s390x-bootstrap.tbz 49809007 SHA256 80a87bc5ac2239c99f8d7425fbc6f4fefba63f549b0835505c25378c08114656 SHA512 1b7500e6c42508b6cb07214620070065262349d2cd3698deeac0638d0bf0bfeb89c59c2d72a284af34f3071b4cfb9ce543c5fdec7add4a46adc9580295909439 WHIRLPOOL d3782cb515ab67720105224e02d96ab1ca86518db661719b2d0f7c48aa1f4f896a7cc5fed5b6ddc032c8206e8a10c6262646be0e59def61723936044d6ceb143
 DIST go-solaris-amd64-bootstrap.tbz 48367195 SHA256 92ebdbf001f243a78a6c2d8ee30e929ba2cecbedf8e0fc07e129b04b107453ad SHA512 cf8725db0d001d61badee71624799a3c9e75f61f77ab090c1f6c490d694c4be367019b28d88306045d877ab5a324a1f9b0674293caf3acb19c193fc3746a48f2 WHIRLPOOL 672c6642e340b6d4f38b633f67fdc3202e3725022a8a61e2129276fccd6c42ddc24ed06c1d57eb31a25ea8056b79686619cbb36431b9c23b6d4be5bcb715bd89
 DIST go1.7.4.src.tar.gz 14198817 SHA256 4c189111e9ba651a2bb3ee868aa881fab36b2f2da3409e80885ca758a6b614cc SHA512 dc9950c3ea7100e536ad58fd93505d584276b7c50d4b8fe2ba7f20fd043dcf0d315b735c48945302055e91517594cc2b0061ccec9478a8ab48f1f2836c20afb3 WHIRLPOOL 054f496555dd30e0ba6a3c449b915ea048d5f85f1cf6d2ef6e8aa84939b6e9674b30cfccee99d050c5d75d028cf43d83bf0267703ffb02dfc5bc780fd0a1706f
+DIST go1.7.5.src.tar.gz 14204325 SHA256 4e834513a2079f8cbbd357502cccaac9507fd00a1efe672375798858ff291815 SHA512 2dda0780a8b24d71fec4ddeb6858c58a42845f51d9afc171d924a7b763101878cc7f29ae1dd35f129b4ee45b84d45211093a1d20639745fed36b49fb7fe1ba07 WHIRLPOOL b28ab10558d9f8fba87d5db2c839a84eab0b61244d75f4b3d42b443365ca8a1ae1c60c2e1073ef2b4a854d957c26111fcc286b7caae4be892e6cba0e4b24e21d
diff --git a/dev-lang/go/go-1.7.5.ebuild b/dev-lang/go/go-1.7.5.ebuild
new file mode 100644
index 0000000000000..4432f8af95183
--- /dev/null
+++ b/dev-lang/go/go-1.7.5.ebuild
@@ -0,0 +1,222 @@
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=6
+
+export CBUILD=${CBUILD:-${CHOST}}
+export CTARGET=${CTARGET:-${CHOST}}
+
+MY_PV=${PV/_/}
+
+inherit toolchain-funcs
+
+BOOTSTRAP_DIST="https://dev.gentoo.org/~williamh/dist"
+SRC_URI="!gccgo? (
+kernel_Darwin? (
+	x64-macos? ( ${BOOTSTRAP_DIST}/go-darwin-amd64-bootstrap.tbz )
+)
+kernel_FreeBSD? (
+amd64-fbsd? ( ${BOOTSTRAP_DIST}/go-freebsd-amd64-bootstrap.tbz )
+x86-fbsd? ( ${BOOTSTRAP_DIST}/go-freebsd-386-bootstrap-1.tbz )
+)
+kernel_linux? (
+	amd64? ( ${BOOTSTRAP_DIST}/go-linux-amd64-bootstrap.tbz )
+	arm? ( ${BOOTSTRAP_DIST}/go-linux-arm-bootstrap.tbz )
+	arm64? ( ${BOOTSTRAP_DIST}/go-linux-arm64-bootstrap.tbz )
+	ppc64? (
+		${BOOTSTRAP_DIST}/go-linux-ppc64-bootstrap.tbz
+		${BOOTSTRAP_DIST}/go-linux-ppc64le-bootstrap.tbz
+	)
+	s390? ( ${BOOTSTRAP_DIST}/go-linux-s390x-bootstrap.tbz )
+	x86? ( ${BOOTSTRAP_DIST}/go-linux-386-bootstrap-1.tbz )
+)
+kernel_SunOS? (
+	x64-solaris? ( ${BOOTSTRAP_DIST}/go-solaris-amd64-bootstrap.tbz )
+)
+)
+"
+
+if [[ ${PV} = 9999 ]]; then
+	EGIT_REPO_URI="git://github.com/golang/go.git"
+	inherit git-r3
+else
+	SRC_URI+="https://storage.googleapis.com/golang/go${MY_PV}.src.tar.gz"
+	case ${PV} in
+		*9999*|*_rc*) ;;
+		*)
+			KEYWORDS="-* ~amd64 ~arm ~arm64 ~ppc64 ~x86 ~amd64-fbsd ~x86-fbsd ~x64-macos ~x64-solaris"
+			;;
+	esac
+fi
+
+DESCRIPTION="A concurrent garbage collected and typesafe programming language"
+HOMEPAGE="http://www.golang.org"
+
+LICENSE="BSD"
+SLOT="0/${PV}"
+IUSE="gccgo"
+
+DEPEND="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"
+
+# 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/.*/.*"
+
+# The go language uses *.a files which are _NOT_ libraries and should not be
+# stripped. The test data objects should also be left alone and unstripped.
+STRIP_MASK="/usr/lib/go/pkg/*.a
+	/usr/lib/go/src/debug/elf/testdata/*
+	/usr/lib/go/src/debug/dwarf/testdata/*
+	/usr/lib/go/src/runtime/race/*.syso"
+
+if [[ ${PV} != 9999 ]]; then
+	S="${WORKDIR}"/go
+fi
+
+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
+}
+
+src_unpack()
+{
+	if [[ ${PV} = 9999 ]]; then
+		git-r3_src_unpack
+	fi
+	default
+}
+
+src_compile()
+{
+	export GOROOT_BOOTSTRAP="${WORKDIR}"/go-$(go_os)-$(go_arch)-bootstrap
+	if use gccgo; then
+		mkdir -p "${GOROOT_BOOTSTRAP}/bin" || die
+		local go_binary=$(gcc-config --get-bin-path)/go-5
+		[[ -x ${go_binary} ]] || go_binary=$(
+			find "${EPREFIX}"/usr/${CHOST}/gcc-bin/*/go-5 | sort -V | tail -n1)
+		[[ -x ${go_binary} ]] || die "go-5: command not found"
+		ln -s "${go_binary}" "${GOROOT_BOOTSTRAP}/bin/go" || die
+	fi
+	export GOROOT_FINAL="${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
+	elog "GOROOT_BOOTSTRAP is ${GOROOT_BOOTSTRAP}"
+
+	cd src
+	./make.bash || die "build failed"
+}
+
+src_test()
+{
+	go_cross_compile && return 0
+
+	cd src
+	PATH="${GOBIN}:${PATH}" \
+		./run.bash -no-rebuild || die "tests failed"
+}
+
+src_install()
+{
+	local bin_path f x
+
+	dodir /usr/lib/go
+	insinto /usr/lib/go
+
+	# There is a known issue which requires the source tree to be installed [1].
+	# Once this is fixed, we can consider using the doc use flag to control
+	# installing the doc and src directories.
+	# [1] https://golang.org/issue/2775
+	doins -r bin doc lib pkg src
+	fperms -R +x /usr/lib/go/bin /usr/lib/go/pkg/tool
+
+	cp -a misc "${D}"/usr/lib/go/misc
+
+	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
+	dodoc AUTHORS CONTRIBUTORS PATENTS README.md
+}