dev-lang/go: import latest upstream live ebuild

sdk_container/src/third_party/coreos-overlay/dev-lang/go/go-9999.ebuild

@@ -1,25 +1,37 @@
 # Copyright 1999-2015 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
-# $Header:  $
+# $Header: /var/cvsroot/gentoo-x86/dev-lang/go/go-9999.ebuild,v 1.30 2015/07/06 16:21:21 williamh Exp $
 
 EAPI=5
 
+export CTARGET=${CTARGET:-${CHOST}}
+
 inherit eutils toolchain-funcs
 
-EGIT_REPO_URI="git://github.com/golang/go.git"
-inherit git-r3
-KEYWORDS="-* ~amd64 arm64"
+if [[ ${PV} = 9999 ]]; then
+	EGIT_REPO_URI="git://github.com/golang/go.git"
+	inherit git-r3
+else
+	SRC_URI="https://storage.googleapis.com/golang/go${PV}.src.tar.gz"
+	# Upstream only supports go on amd64, arm and x86 architectures.
+	KEYWORDS="-* ~amd64 ~arm ~x86 ~amd64-fbsd ~x86-fbsd ~x64-macos ~x86-macos"
+fi
 
 DESCRIPTION="A concurrent garbage collected and typesafe programming language"
 HOMEPAGE="http://www.golang.org"
 
 LICENSE="BSD"
-SLOT="0"
+SLOT="0/${PV}"
 IUSE=""
 
-DEPEND=""
+DEPEND=">=dev-lang/go-bootstrap-1.4.1"
 RDEPEND=""
 
+# These test data objects have writable/executable stacks.
+QA_EXECSTACK="
+	usr/lib/go/src/debug/elf/testdata/go-relocation-test-gcc482-aarch64.obj
+	usr/lib/go/src/debug/elf/testdata/gcc-amd64-openbsd-debug-with-rela.obj"
+
 # The tools in /usr/lib/go should not cause the multilib-strict check to fail.
 QA_MULTILIB_PATHS="usr/lib/go/pkg/tool/.*/.*"
 
@@ -27,33 +39,30 @@ QA_MULTILIB_PATHS="usr/lib/go/pkg/tool/.*/.*"
 # stripped.
 STRIP_MASK="/usr/lib/go/pkg/linux*/*.a /usr/lib/go/pkg/freebsd*/*.a /usr/lib/go/pkg/darwin*/*.a"
 
-build_arch()
-{
-    case "$CBUILD" in
-        aarch64*)   echo arm64;;
-        x86_64*)    echo amd64;;
-    esac
-}
-
-same_arch()
-{
-	[[ "${ARCH}" = "$(build_arch)" ]]
-}
+if [[ ${PV} != 9999 ]]; then
+	S="${WORKDIR}"/go
+fi
 
 src_prepare()
 {
-
+	if [[ ${PV} != 9999 ]]; then
+		sed -i -e 's/"-Werror",//g' src/cmd/dist/build.go ||
+			die 'sed failed'
+	fi
 	epatch_user
 }
 
 src_compile()
 {
-	export GOOS="linux"
-	export GOARCH="${ARCH}"
-	export GOROOT_BOOTSTRAP="/usr/lib/go1.4"
+	export GOROOT_BOOTSTRAP="${EPREFIX}"/usr/lib/go1.4
 	export GOROOT_FINAL="${EPREFIX}"/usr/lib/go
 	export GOROOT="$(pwd)"
-	export GOBIN=${GOROOT}/bin
+	export GOBIN="${GOROOT}/bin"
+	if [[ $CTARGET = armv5* ]]
+	then
+		export GOARM=5
+	fi
+	tc-export CC
 
 	cd src
 	./make.bash || die "build failed"
@@ -61,8 +70,6 @@ src_compile()
 
 src_test()
 {
-	$(same_arch) || return 0;
-
 	cd src
 	PATH="${GOBIN}:${PATH}" \
 		./run.bash --no-rebuild --banner || die "tests failed"
@@ -70,15 +77,7 @@ src_test()
 
 src_install()
 {
-	local bin_path
-
-	if $(same_arch); then
-		bin_path=${GOBIN}
-	else
-		bin_path=${GOBIN}/${GOOS}_${GOARCH}
-	fi
-
-	dobin ${bin_path}/*
+	dobin bin/*
 	dodoc AUTHORS CONTRIBUTORS PATENTS README.md
 
 	dodir /usr/lib/go
@@ -92,6 +91,13 @@ src_install()
 	fperms -R +x /usr/lib/go/pkg/tool
 }
 
+pkg_preinst()
+{
+	has_version '<dev-lang/go-1.4' &&
+		export had_support_files=true ||
+		export had_support_files=false
+}
+
 pkg_postinst()
 {
 	# If the go tool sees a package file timestamped older than a dependancy it
@@ -103,4 +109,19 @@ pkg_postinst()
 	find "${EROOT}"usr/lib/go -type f \
 		-exec touch -r "${EROOT}"${tref} {} \;
 	eend $?
+
+	if [[ ${PV} != 9999 && -n ${REPLACING_VERSIONS} &&
+		${REPLACING_VERSIONS} != ${PV} ]]; then
+		elog "Release notes are located at http://golang.org/doc/go${PV}"
+	fi
+
+	if $had_support_files; then
+		ewarn
+		ewarn "All editor support, IDE support, shell completion"
+		ewarn "support, etc has been removed from the go package"
+		ewarn "upstream."
+		ewarn "For more information on which support is available, see"
+		ewarn "the following URL:"
+		ewarn "https://github.com/golang/go/wiki/IDEsAndTextEditorPlugins"
+	fi
 }