Initial commit for bug #342505.

I would like to thank johnny@9souldier.org for the initial report and
ebuild. Also, I would like to thank powerman-asdf@yandex.ru for the
original hardened patch and everyone else who worked with me on the bug
so we could get this into the tree.

(Portage version: 2.2.0_alpha104/cvs/Linux i686)

5 files changed, 374 insertions, 0 deletions

diff --git a/dev-lang/go/ChangeLog b/dev-lang/go/ChangeLog
new file mode 100644
index 000000000000..f148488fe1b2
--- /dev/null
+++ b/dev-lang/go/ChangeLog
@@ -0,0 +1,15 @@
+# ChangeLog for dev-lang/go
+# Copyright 1999-2012 Gentoo Foundation; Distributed under the GPL v2
+# $Header: /var/cvsroot/gentoo-x86/dev-lang/go/ChangeLog,v 1.1 2012/05/15 18:11:26 williamh Exp $
+
+*go-9999 (15 May 2012)
+*go-1.0.1 (15 May 2012)
+
+  15 May 2012; William Hubbs <williamh@gentoo.org> +go-1.0.1.ebuild,
+  +files/go-1.0.1-hardened.patch, +go-9999.ebuild, +metadata.xml:
+  Initial commit for bug #342505.
+  I would like to thank johnny@9souldier.org for the initial report and
+  ebuild. Also, I would like to thank powerman-asdf@yandex.ru for the
+  original hardened patch and everyone else who worked with me on the bug
+  so we could get this into the tree.
+
diff --git a/dev-lang/go/files/go-1.0.1-hardened.patch b/dev-lang/go/files/go-1.0.1-hardened.patch
new file mode 100644
index 000000000000..220bc1b6e4c5
--- /dev/null
+++ b/dev-lang/go/files/go-1.0.1-hardened.patch
@@ -0,0 +1,55 @@
+diff -r 95d6aec944d4 src/all.bash
+--- a/src/all.bash	Tue May 15 12:00:13 2012 +1000
++++ b/src/all.bash	Tue May 15 08:46:50 2012 -0500
+@@ -8,6 +8,6 @@
+ 	echo 'all.bash must be run from $GOROOT/src' 1>&2
+ 	exit 1
+ fi
+-. ./make.bash --no-banner
++. ./make.bash $@ --no-banner
+ bash run.bash --no-rebuild --banner
+ $GOTOOLDIR/dist banner  # print build info
+diff -r 95d6aec944d4 src/make.bash
+--- a/src/make.bash	Tue May 15 12:00:13 2012 +1000
++++ b/src/make.bash	Tue May 15 08:46:50 2012 -0500
+@@ -116,6 +116,40 @@
+ ./cmd/dist/dist bootstrap $buildall -v # builds go_bootstrap
+ # Delay move of dist tool to now, because bootstrap may clear tool directory.
+ mv cmd/dist/dist "$GOTOOLDIR"/dist
++if [ "$1" = "--pax-kernel" ]; then
++	shift
++	if [ -f "$GOTOOLDIR"/8l ]; then
++		mv "$GOTOOLDIR"/8l{,.orig}
++		cat <<'EOF' >"$GOTOOLDIR"/8l
++#!/bin/bash
++BIN="8.out"
++for (( i = 1 ; i <= $# ; i++ )); do
++	if [ "x${!i}" = "x-o" ]; then
++		i=$(( i + 1 ))
++		BIN="${!i}"
++	fi
++done
++$(dirname $0)/8l.orig "$@" && paxctl -cm "$BIN" &>/dev/null
++EOF
++		chmod +x "$GOTOOLDIR"/8l
++	fi
++	if [ -f "$GOTOOLDIR"/6l ]; then
++		mv "$GOTOOLDIR"/6l{,.orig}
++		cat <<'EOF' >"$GOTOOLDIR"/6l
++#!/bin/bash
++BIN="6.out"
++for (( i = 1 ; i <= $# ; i++ )); do
++	if [ "x${!i}" = "x-o" ]; then
++		i=$(( i + 1 ))
++		BIN="${!i}"
++	fi
++done
++$(dirname $0)/6l.orig "$@" && paxctl -cm "$BIN" &>/dev/null
++EOF
++		chmod +x "$GOTOOLDIR"/6l
++	fi
++	paxctl -cm "$GOTOOLDIR"/go_bootstrap &>/dev/null
++fi
+ "$GOTOOLDIR"/go_bootstrap clean -i std
+ echo
+ 
diff --git a/dev-lang/go/go-1.0.1.ebuild b/dev-lang/go/go-1.0.1.ebuild
new file mode 100644
index 000000000000..3c3de64960a2
--- /dev/null
+++ b/dev-lang/go/go-1.0.1.ebuild
@@ -0,0 +1,144 @@
+# Copyright 1999-2012 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/dev-lang/go/go-1.0.1.ebuild,v 1.1 2012/05/15 18:11:26 williamh Exp $
+
+EAPI=4
+
+EHG_REPO_URI="https://go.googlecode.com/hg"
+
+[[ ${PV} == 9999 ]] && vcs=mercurial
+
+inherit $vcs bash-completion-r1 elisp-common eutils
+
+if [[ ${PV} != 9999 ]]; then
+	SRC_URI="http://go.googlecode.com/files/go${PV}.src.tar.gz"
+	# Upstream only supports go on amd64, arm and x86 architectures.
+	KEYWORDS="-* ~x86"
+fi
+
+DESCRIPTION="A concurrent garbage collected and typesafe programming language"
+HOMEPAGE="http://www.golang.org"
+
+LICENSE="BSD"
+SLOT="0"
+IUSE="bash-completion emacs vim-syntax zsh-completion"
+
+if [[ ${PV} != 9999 ]]; then
+	IUSE="${IUSE} pax_kernel"
+	COMMON_DEPEND="pax_kernel? ( sys-apps/paxctl )"
+fi
+
+DEPEND="sys-apps/ed
+	${COMMON_DEPEND}"
+RDEPEND="bash-completion? ( app-shells/bash-completion )
+	emacs? ( virtual/emacs )
+	vim-syntax? ( app-editors/vim )
+	zsh-completion? ( app-shells/zsh-completion )
+	${COMMON_DEPEND}"
+
+	# The go language stores binary data for packages in *.a files.
+	# These are _NOT_ libraries, and should not be stripped.
+STRIP_MASK="/usr/lib/go/pkg/linux*/*.a"
+
+[[ ${PV} == 9999 ]] || S="${WORKDIR}"/go
+
+export_settings()
+{
+	export HOST_EXTRA_CFLAGS="${CFLAGS}"
+	export HOST_EXTRA_LDFLAGS="${LDFLAGS}"
+	export GOROOT_FINAL=/usr/lib/go
+	export GOROOT="$(pwd)"
+	export GOBIN="${GOROOT}/bin"
+}
+
+src_prepare()
+{
+	if [[ ${PV} != 9999 ]]; then
+		epatch "${FILESDIR}"/${P}-hardened.patch
+	fi
+}
+
+src_compile()
+{
+	export_settings
+	if [[ ${PV} != 9999 ]]; then
+		use pax_kernel && opts="--pax-kernel"
+	fi
+	cd src
+	./make.bash $opts
+	cd ..
+
+	if use emacs; then
+		elisp-compile misc/emacs/*.el
+	fi
+}
+
+src_test()
+{
+	export_settings
+	cd src
+	./run.bash --no-rebuild --banner
+}
+
+src_install()
+{
+	dobin bin/*
+	dodoc AUTHORS CONTRIBUTORS PATENTS README
+
+	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] http://code.google.com/p/go/issues/detail?id=2775
+	doins -r doc lib pkg src
+
+	if use bash-completion; then
+		dobashcomp misc/bash/go
+	fi
+
+	if use emacs; then
+		elisp-install ${PN} misc/emacs/*.el misc/emacs/*.elc
+	fi
+
+	if use vim-syntax; then
+		insinto /usr/share/vim/vimfiles
+		doins -r misc/vim/ftdetect
+		doins -r misc/vim/ftplugin
+		doins -r misc/vim/syntax
+		doins -r misc/vim/plugin
+		doins -r misc/vim/indent
+	fi
+
+	if use zsh-completion; then
+		insinto /usr/share/zsh/site-functions
+		doins misc/zsh/go
+	fi
+
+	fperms -R +x /usr/lib/go/pkg/tool
+}
+
+pkg_postinst()
+{
+	if use emacs; then
+		elisp-site-regen
+	fi
+
+	# If the go tool sees a package file timestamped older than a dependancy it
+	# will rebuild that file.  So, in order to stop go from rebuilding lots of
+	# packages for every build we need to fix the timestamps.  The compiler and
+	# linker are also checked - so we need to fix them too.
+	ebegin "fixing timestamps to avoid unnecessary rebuilds"
+	tref="usr/lib/go/pkg/*/runtime.a"
+	find "${ROOT}"usr/lib/go/pkg -type f \
+		-exec touch -r "${ROOT}"${tref} {} \;
+	eend $?
+}
+
+pkg_postrm()
+{
+	if use emacs; then
+		elisp-site-regen
+	fi
+}
diff --git a/dev-lang/go/go-9999.ebuild b/dev-lang/go/go-9999.ebuild
new file mode 100644
index 000000000000..476286345290
--- /dev/null
+++ b/dev-lang/go/go-9999.ebuild
@@ -0,0 +1,144 @@
+# Copyright 1999-2012 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/dev-lang/go/go-9999.ebuild,v 1.1 2012/05/15 18:11:26 williamh Exp $
+
+EAPI=4
+
+EHG_REPO_URI="https://go.googlecode.com/hg"
+
+[[ ${PV} == 9999 ]] && vcs=mercurial
+
+inherit $vcs bash-completion-r1 elisp-common eutils
+
+if [[ ${PV} != 9999 ]]; then
+	SRC_URI="http://go.googlecode.com/files/go${PV}.src.tar.gz"
+	# Upstream only supports go on amd64, arm and x86 architectures.
+	KEYWORDS="-* ~x86"
+fi
+
+DESCRIPTION="A concurrent garbage collected and typesafe programming language"
+HOMEPAGE="http://www.golang.org"
+
+LICENSE="BSD"
+SLOT="0"
+IUSE="bash-completion emacs vim-syntax zsh-completion"
+
+if [[ ${PV} != 9999 ]]; then
+	IUSE="${IUSE} pax_kernel"
+	COMMON_DEPEND="pax_kernel? ( sys-apps/paxctl )"
+fi
+
+DEPEND="sys-apps/ed
+	${COMMON_DEPEND}"
+RDEPEND="bash-completion? ( app-shells/bash-completion )
+	emacs? ( virtual/emacs )
+	vim-syntax? ( app-editors/vim )
+	zsh-completion? ( app-shells/zsh-completion )
+	${COMMON_DEPEND}"
+
+	# The go language stores binary data for packages in *.a files.
+	# These are _NOT_ libraries, and should not be stripped.
+STRIP_MASK="/usr/lib/go/pkg/linux*/*.a"
+
+[[ ${PV} == 9999 ]] || S="${WORKDIR}"/go
+
+export_settings()
+{
+	export HOST_EXTRA_CFLAGS="${CFLAGS}"
+	export HOST_EXTRA_LDFLAGS="${LDFLAGS}"
+	export GOROOT_FINAL=/usr/lib/go
+	export GOROOT="$(pwd)"
+	export GOBIN="${GOROOT}/bin"
+}
+
+src_prepare()
+{
+	if [[ ${PV} != 9999 ]]; then
+		epatch "${FILESDIR}"/${P}-hardened.patch
+	fi
+}
+
+src_compile()
+{
+	export_settings
+	if [[ ${PV} != 9999 ]]; then
+		use pax_kernel && opts="--pax-kernel"
+	fi
+	cd src
+	./make.bash $opts
+	cd ..
+
+	if use emacs; then
+		elisp-compile misc/emacs/*.el
+	fi
+}
+
+src_test()
+{
+	export_settings
+	cd src
+	./run.bash --no-rebuild --banner
+}
+
+src_install()
+{
+	dobin bin/*
+	dodoc AUTHORS CONTRIBUTORS PATENTS README
+
+	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] http://code.google.com/p/go/issues/detail?id=2775
+	doins -r doc lib pkg src
+
+	if use bash-completion; then
+		dobashcomp misc/bash/go
+	fi
+
+	if use emacs; then
+		elisp-install ${PN} misc/emacs/*.el misc/emacs/*.elc
+	fi
+
+	if use vim-syntax; then
+		insinto /usr/share/vim/vimfiles
+		doins -r misc/vim/ftdetect
+		doins -r misc/vim/ftplugin
+		doins -r misc/vim/syntax
+		doins -r misc/vim/plugin
+		doins -r misc/vim/indent
+	fi
+
+	if use zsh-completion; then
+		insinto /usr/share/zsh/site-functions
+		doins misc/zsh/go
+	fi
+
+	fperms -R +x /usr/lib/go/pkg/tool
+}
+
+pkg_postinst()
+{
+	if use emacs; then
+		elisp-site-regen
+	fi
+
+	# If the go tool sees a package file timestamped older than a dependancy it
+	# will rebuild that file.  So, in order to stop go from rebuilding lots of
+	# packages for every build we need to fix the timestamps.  The compiler and
+	# linker are also checked - so we need to fix them too.
+	ebegin "fixing timestamps to avoid unnecessary rebuilds"
+	tref="usr/lib/go/pkg/*/runtime.a"
+	find "${ROOT}"usr/lib/go/pkg -type f \
+		-exec touch -r "${ROOT}"${tref} {} \;
+	eend $?
+}
+
+pkg_postrm()
+{
+	if use emacs; then
+		elisp-site-regen
+	fi
+}
diff --git a/dev-lang/go/metadata.xml b/dev-lang/go/metadata.xml
new file mode 100644
index 000000000000..b1ab5c0f9546
--- /dev/null
+++ b/dev-lang/go/metadata.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer>
+		<email>williamh@gentoo.org</email>
+		<name>William Hubbs</name>
+	</maintainer>
+ <use>
+  <flag name="pax_kernel">enable running under a kernel with PaX enabled</flag>
+ </use>
+	<longdescription lang="en">
+		Go is a new systems programming language developped at google by
+		Rob Pike. It has garbage collection, coroutines, communication
+		channels and a clean syntax.  
+	</longdescription>
+</pkgmetadata>