--- /dev/null
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=5
+
+export CBUILD=${CBUILD:-${CHOST}}
+export CTARGET=${CTARGET:-${CHOST}}
+
+inherit eutils toolchain-funcs
+
+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"
+ # go-bootstrap-1.4 only supports go on amd64, arm and x86 architectures.
+ # Allowing other bootstrap options would enable arm64 and ppc64 builds.
+ 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/${PV}"
+IUSE=""
+
+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/*.obj"
+
+# 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;;
+ *) 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_prepare()
+{
+ if [[ ${PV} != 9999 ]]; then
+ sed -i -e 's/"-Werror",//g' src/cmd/dist/build.go ||
+ die 'sed failed'
+ fi
+ epatch_user
+}
+
+src_compile()
+{
+ export GOROOT_BOOTSTRAP="${EPREFIX}"/usr/lib/go1.4
+ 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="${GOBIN}"
+ if go_cross_compile; then
+ bin_path="${GOBIN}/$(go_tuple)"
+ fi
+ dobin "${bin_path}"/*
+ dodoc AUTHORS CONTRIBUTORS PATENTS README.md
+
+ dodir /usr/lib/go /usr/lib/go/pkg /usr/lib/go/pkg/tool
+ 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 doc lib src
+
+ # Selectively install pkg directory to exclude the bootstrap build
+ insinto /usr/lib/go/pkg
+ doins -r pkg/include "pkg/$(go_tuple)"
+ insinto /usr/lib/go/pkg/tool
+ doins -r "pkg/tool/$(go_tuple)"
+ 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
+ # 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 "${EROOT}"usr/lib/go -type f \
+ -exec touch -r "${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
+}
projects / gentoo.git / commitdiff