Create golang-base.eclass
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# Copyright 1999-2016 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Id$
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# @ECLASS: golang-utils.eclass
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# @MAINTAINER:
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# Mauro Toffanin <toffanin.mauro@gmail.com>
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# @AUTHOR:
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# Mauro Toffanin <toffanin.mauro@gmail.com>
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# @BLURB: Base eclass for GoLang packages
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# @DESCRIPTION:
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# This eclass provides functionalities which are used by golang-single.eclass,
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# golang-live.eclass, and as well as from ebuilds.
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#
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# This eclass should not be inherited directly from an ebuild.
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# Instead, you should inherit golang-single or golang-live for GoLang packages.
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inherit versionator eutils multiprocessing
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if [[ -z ${_GOLANG_BASE_ECLASS} ]]; then
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_GOLANG_BASE_ECLASS=1
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# Silences repoman warnings.
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case "${EAPI:-0}" in
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5|6)
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case "${GOLANG_PKG_DEPEND_ON_GO_SUBSLOT:-yes}" in
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yes)
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GO_DEPEND="dev-lang/go:0="
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;;
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*)
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GO_DEPEND="dev-lang/go:*"
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;;
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esac
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;;
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*)
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die "${ECLASS}: Unsupported eapi (EAPI=${EAPI})"
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;;
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esac
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DEPEND+=" ${GO_DEPEND}"
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RESTRICT+=" mirror strip"
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QA_FLAGS_IGNORED="usr/bin/.*
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usr/sbin/.*"
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# @ECLASS-VARIABLE: GOLANG_PKG_NAME
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# @DESCRIPTION:
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# Sets the GoLang name for the generated package.
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# GOLANG_PKG_NAME="${PN}"
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GOLANG_PKG_NAME="${GOLANG_PKG_NAME:-${PN}}"
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# @ECLASS-VARIABLE: GOLANG_PKG_VERSION
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# @DESCRIPTION:
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# Sets the GoLang version for the generated package.
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# GOLANG_PKG_VERSION="${PV}"
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GOLANG_PKG_VERSION="${GOLANG_PKG_VERSION:-${PV/_pre/.pre}}"
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# @ECLASS-VARIABLE: GOLANG_PKG_IMPORTPATH
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# @DESCRIPTION:
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# Sets the remote import path for the generated package.
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# GOLANG_PKG_IMPORTPATH="github.com/captObvious/"
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GOLANG_PKG_IMPORTPATH="${GOLANG_PKG_IMPORTPATH:-}"
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# @ECLASS-VARIABLE: GOLANG_PKG_IMPORTPATH_ALIAS
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# @DESCRIPTION:
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# Sets an alias of the remote import path for the generated package.
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# GOLANG_PKG_IMPORTPATH_ALIAS="privaterepo.com/captObvious/"
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GOLANG_PKG_IMPORTPATH_ALIAS="${GOLANG_PKG_IMPORTPATH_ALIAS:=${GOLANG_PKG_IMPORTPATH}}"
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# @ECLASS-VARIABLE: GOLANG_PKG_ARCHIVEPREFIX
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# @DESCRIPTION:
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# Sets the archive prefix for the file URI of the package.
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# Most projects hosted on GitHub's mirrors provide archives with prefix as
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# 'v' or 'source-', other hosted services offer different archive formats.
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# This eclass defaults to an empty prefix.
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GOLANG_PKG_ARCHIVEPREFIX="${GOLANG_PKG_ARCHIVEPREFIX:-}"
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# @ECLASS-VARIABLE: GOLANG_PKG_ARCHIVESUFFIX
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# @DESCRIPTION:
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# Sets the archive suffix for the file URI of the package.
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# Most projects hosted on GitHub's mirrors provide archives with suffix as
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# '.tar.gz' or '.zip', other hosted services offer different archive formats.
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# This eclass defaults to '.tar.gz'.
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GOLANG_PKG_ARCHIVESUFFIX="${GOLANG_PKG_ARCHIVESUFFIX:=".tar.gz"}"
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# @ECLASS-VARIABLE: GOLANG_PKG_OUTPUT_NAME
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# @DESCRIPTION:
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# Specifies the output file name of the package.
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# If not set, it derives from the name of the package, such as $GOLANG_PKG_NAME.
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# This eclass defaults to $PN.
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GOLANG_PKG_OUTPUT_NAME="${GOLANG_PKG_OUTPUT_NAME:=${PN}}"
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# @ECLASS-VARIABLE: GOLANG_PKG_BUILDPATH
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# @DESCRIPTION:
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# Specifies a go source file to be compiled as a single main package.
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# This eclass defaults to an empty value.
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# This eclass defaults to "/..." when the user declares GOLANG_PKG_IS_MULTIPLE=1
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GOLANG_PKG_BUILDPATH="${GOLANG_PKG_BUILDPATH:-}"
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# @ECLASS-VARIABLE: GOLANG_PKG_INSTALLPATH
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# @DESCRIPTION:
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# Sets the root path into which a binary, or a list of binaries, will be
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# installed (e.x.: ${GOLANG_PKG_INSTALLPATH}/bin).
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# This eclass defaults to "/usr"
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GOLANG_PKG_INSTALLPATH="${GOLANG_PKG_INSTALLPATH:="/usr"}"
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# @ECLASS-VARIABLE: GOLANG_PKG_INSTALLSUFFIX
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# @DESCRIPTION:
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# Sets a suffix to use in the name of the package installation directory.
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# This eclass defaults to an empty install suffix.
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GOLANG_PKG_INSTALLSUFFIX="${GOLANG_PKG_INSTALLSUFFIX:-}"
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# @ECLASS-VARIABLE: GOLANG_PKG_IS_MULTIPLE
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# @DESCRIPTION:
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# Set to enable the building of multiple packages from a single import path.
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# @ECLASS-VARIABLE: GOLANG_PKG_HAVE_TEST
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# @DEFAULT_UNSET
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# @DESCRIPTION:
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# Set to enable the execution of automated testing.
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# @ECLASS-VARIABLE: GOLANG_PKG_HAVE_TEST_RACE
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# @DEFAULT_UNSET
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# @DESCRIPTION:
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# Set to enable the execution of automated testing with support for
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# data race detection.
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# @ECLASS-VARIABLE: GOLANG_PKG_USE_CGO
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# @DEFAULT_UNSET
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# @DESCRIPTION:
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# Set to enable the compilation of the package with CGO.
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# @ECLASS-VARIABLE: GOLANG_PKG_USE_GENERATE
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# @DEFAULT_UNSET
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# @DESCRIPTION:
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# Set to run commands described by directives within existing golang files.
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# @ECLASS-VARIABLE: GOLANG_PKG_DEPEND_ON_GO_SUBSLOT
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# @DESCRIPTION:
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# Set to ensure the package does depend on the dev-lang/go subslot value.
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# Possible values: {yes,no}
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# This eclass defaults to "no"
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GOLANG_PKG_DEPEND_ON_GO_SUBSLOT=${GOLANG_PKG_DEPEND_ON_GO_SUBSLOT:="no"}
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# @ECLASS-VARIABLE: GOLANG_PKG_LDFLAGS
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# @DESCRIPTION:
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# Sets the linker arguments to pass to 5l, 6l, or 8l.
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# This eclass defaults to an empty list.
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GOLANG_PKG_LDFLAGS="${GOLANG_PKG_LDFLAGS:-}"
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# @ECLASS-VARIABLE: GOLANG_PKG_TAGS
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# @DESCRIPTION:
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# Sets the list of build tags during the build.
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# This eclass defaults to an empty list.
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GOLANG_PKG_TAGS="${GOLANG_PKG_TAGS:-}"
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# @ECLASS-VARIABLE: GOLANG_PKG_VENDOR
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# @DESCRIPTION:
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# Sets additional standard Go workspaces to be appended to the environment
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# variable GOPATH, as described in http://golang.org/doc/code.html.
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# This eclass defaults to an empty list.
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GOLANG_PKG_VENDOR=()
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# @ECLASS-VARIABLE: GOLANG_PKG_STATIK
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# @DESCRIPTION:
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# Sets the arguments to pass to dev-go/statik.
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# This eclass defaults to an empty list.
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GOLANG_PKG_STATIK="${GOLANG_PKG_STATIK:-}"
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# @ECLASS-VARIABLE: GO
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# @DEFAULT_UNSET
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# @DESCRIPTION:
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# The absolute path to the current GoLang interpreter.
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#
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# This variable is set automatically after calling golang_setup().
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#
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# Default value:
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# @CODE
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# /usr/bin/go
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# @CODE
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# @ECLASS-VARIABLE: EGO
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# @DEFAULT_UNSET
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# @DESCRIPTION:
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# The executable name of the current GoLang interpreter.
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#
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# This variable is set automatically after calling golang_setup().
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#
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# Default value:
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# @CODE
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# go
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# @CODE
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# @ECLASS-VARIABLE: PATCHES
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# @DEFAULT_UNSET
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# @DESCRIPTION:
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# Array variable containing all the patches to be applied. This variable
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# is expected to be defined in the global scope of ebuilds. Make sure to
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# specify the full path. This variable is used in src_prepare phase.
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#
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# Example:
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# @CODE
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# PATCHES=(
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# "${FILESDIR}/mypatch.patch"
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# "${FILESDIR}/mypatch2.patch"
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# )
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# @CODE
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# Adds gccgo as a compile-time dependency when GOLANG_PKG_USE_CGO is set.
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[[ -n ${GOLANG_PKG_USE_CGO} ]] && DEPEND+=" >=sys-devel/gcc-4.8.4[go]"
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# Adds dev-go/statik as a compile-time dependency when GOLANG_PKG_STATIK is set.
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[[ -n ${GOLANG_PKG_STATIK} ]] && DEPEND+=" dev-go/statik"
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# Validates GOLANG_PKG_IMPORTPATH.
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if [[ -z ${GOLANG_PKG_IMPORTPATH} ]]; then
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eerror "The remote import path for this package has not been declared"
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die "Mandatory variable GOLANG_PKG_IMPORTPATH is unset"
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fi
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# Forces a multiple package build when user specifies GOLANG_PKG_IS_MULTIPLE=1.
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if [[ -n ${GOLANG_PKG_IS_MULTIPLE} && -z ${GOLANG_PKG_BUILDPATH} ]]; then
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GOLANG_PKG_BUILDPATH="/..."
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fi
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# Validates use of GOLANG_PKG_BUILDPATH combined with GOLANG_PKG_IS_MULTIPLE
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# FIX: makes sure user isn't overriding GOLANG_PKG_BUILDPATH with inane values.
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if [[ -n ${GOLANG_PKG_IS_MULTIPLE} && ${GOLANG_PKG_BUILDPATH##*/} != "..." ]]; then
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ewarn "Ebuild ${CATEGORY}/${PF} specifies GOLANG_PKG_IS_MULTIPLE=1,"
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ewarn "but then GOLANG_PKG_BUILDPATH is overridden with \"${GOLANG_PKG_BUILDPATH}\"."
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ewarn "Please, fix it by appending \"/...\" to your GOLANG_PKG_BUILDPATH."
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ewarn "If in doubt, remove GOLANG_PKG_BUILDPATH entirely."
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fi
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# Even though xz-utils are in @system, they must still be added to DEPEND; see
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# http://archives.gentoo.org/gentoo-dev/msg_a0d4833eb314d1be5d5802a3b710e0a4.xml
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if [[ ${GOLANG_PKG_ARCHIVESUFFIX/.*} == "xz" ]]; then
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DEPEND+=" app-arch/xz-utils"
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fi
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# Enables USE 'test' when required by GOLANG_PKG_HAVE_TEST.
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IUSE="${IUSE} debug"
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if [[ -n ${GOLANG_PKG_HAVE_TEST} ]]; then
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IUSE+=" test"
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fi
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# Defines HOMEPAGE.
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[ -z "$HOMEPAGE" ] && HOMEPAGE="https://${GOLANG_PKG_IMPORTPATH}/${PN}"
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# Defines SOURCE directory.
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S="${WORKDIR}/gopath/src/${GOLANG_PKG_IMPORTPATH_ALIAS}/${GOLANG_PKG_NAME}"
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# @FUNCTION: _factorize_dependency_entities
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# @INTERNAL
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# @DESCRIPTION:
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# Factorizes the dependency declaration in specific tokens such as the import
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# path, the import path alias, the host name, the author name, the project name,
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# and the revision tag.
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_factorize_dependency_entities() {
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debug-print-function ${FUNCNAME} "${@}"
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local -A dependency=()
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local key_list=(importpathalias importpath host project_name author_name revision)
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# Strips all the white spaces from the supplied argument.
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local raw_dependency="${1//\ /}"
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# Determines the alias of the import path (if present).
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dependency[importpathalias]="${raw_dependency##*->}"
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# Strips the import path alias from the supplied argument.
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raw_dependency="${raw_dependency%%->*}"
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# Determines the import path.
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dependency[importpath]="${raw_dependency%:*}"
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# When the importpath alias is not specified, then this eclass sets the
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# alias as equal to the import path minus the project name.
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if [[ "${raw_dependency}" == "${dependency[importpathalias]}" ]]; then
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dependency[importpathalias]="${dependency[importpath]%/*}"
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fi
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# Determines the host.
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dependency[host]="${dependency[importpath]%%/*}"
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# Determines the project name.
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dependency[project_name]="${dependency[importpath]##*/}"
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# Determines the author name.
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dependency[author_name]="${dependency[importpath]#*/}"
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dependency[author_name]="${dependency[author_name]%/*}"
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# Determines the revision.
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dependency[revision]="${raw_dependency#*:}"
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# Exports all the dependency tokens as an associated list.
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for key in ${key_list[@]}; do
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echo "${key} ${dependency[${key}]}"
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done
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}
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# @FUNCTION: golang_setup
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# @DESCRIPTION:
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# Determines where is the GoLang implementation and then set-up the
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# GoLang build environment.
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golang_setup() {
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debug-print-function ${FUNCNAME} "${@}"
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# NOTE: Keep /usr/bin/go as index [0] and never overwrite it,
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# always append other binary paths after the index [0]
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local GOLANG_BINS=(
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/usr/bin/go
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/usr/bin/gofmt
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)
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[[ -n ${GOLANG_PKG_STATIK} ]] && GOLANG_BINS+=(/usr/bin/statik)
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# Reset GoLang environment variables
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unset EGO
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unset EGOFMT
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unset ESTATIK
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unset GO
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unset GOPATH
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unset GOBIN
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# Determine is the GoLang interpreter is working
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local IS_EXECUTABLE=1
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for binary in "${GOLANG_BINS[@]}"; do
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debug-print "${FUNCNAME}: Checking ... ${binary}"
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[[ -x "${EPREFIX}/${binary}" ]] && continue
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IS_EXECUTABLE=0
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ewarn "It seems that the binary '${binary}' is not executable."
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done
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# dev-lang/go isn't installed or one of its binaries aren't executable.
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# Either way, the Gentoo box is screwed; no need to set up the GoLang environment
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[[ ${IS_EXECUTABLE} == 0 ]] && exit
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# dev-lang/go is available and working.
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# Exports GO/EGO/EGOFMT global variables.
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export GO="${GOLANG_BINS[0]}"
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export EGO="${GOLANG_BINS[0]##*/}"
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export EGOFMT="${GOLANG_BINS[1]}"
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# dev-go/statik is available and working.
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# Exports ESTATIK global variable.
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[[ -n ${GOLANG_PKG_STATIK} ]] && export ESTATIK="${GOLANG_BINS[2]##*/}"
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debug-print "${FUNCNAME}: GO = ${GO}"
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debug-print "${FUNCNAME}: EGO = ${EGO}"
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debug-print "${FUNCNAME}: EGOFMT = ${EGOFMT}"
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debug-print "${FUNCNAME}: ESTATIK = ${ESTATIK}"
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# Determines go interpreter version.
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GOLANG_VERSION="$( ${GO} version )"
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GOLANG_VERSION="${GOLANG_VERSION/go\ version\ go}"
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export GOLANG_VERSION="${GOLANG_VERSION%\ *}"
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einfo "Found GoLang version: ${GOLANG_VERSION}"
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# Determines statik interpreter version.
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# TODO: add version detection when statik will provide a -version option.
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if [[ -n ${GOLANG_PKG_STATIK} ]]; then
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local STATIK_VERSION=""
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einfo "Found statik version: ${STATIK_VERSION}"
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fi
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# Enable/Disable frame pointers
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local GOEXPERIMENT="noframepointer"
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use debug && GOEXPERIMENT="framepointer"
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# Sets the build environment inside Portage's WORKDIR.
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ebegin "Setting up GoLang build environment"
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# Prepares CGO_ENABLED.
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CGO_ENABLED=0
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[[ -z ${GOLANG_PKG_USE_CGO} ]] || CGO_ENABLED=1
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# Prepares gopath / gobin directories inside WORKDIR.
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local _GOPATH="${WORKDIR}/gopath"
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local _GOBIN="${WORKDIR}/gobin"
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mkdir -p "${_GOBIN}" || die
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mkdir -p "${_GOPATH}"/src || die
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# Exports special env variable EGO_SRC.
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export EGO_SRC="${_GOPATH}/src"
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# Exports GoLang env variables.
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export GOPATH="$_GOPATH"
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export GOBIN="$_GOBIN"
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export CGO_ENABLED
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export GOEXPERIMENT
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export GO15VENDOREXPERIMENT=0
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debug-print "${FUNCNAME}: GOPATH = ${GOPATH}"
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debug-print "${FUNCNAME}: GOBIN = ${GOBIN}"
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debug-print "${FUNCNAME}: EGO_SRC = ${EGO_SRC}"
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debug-print "${FUNCNAME}: CGO_ENABLED = ${CGO_ENABLED}"
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eend
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}
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# @FUNCTION: golang-base_src_prepare
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# @DESCRIPTION:
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# Prepare source code.
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golang-base_src_prepare() {
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debug-print-function ${FUNCNAME} "${@}"
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pushd "${WORKDIR}" > /dev/null
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einfo "Preparing GoLang build environment in ${GOPATH}/src"
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||||
# If the ebuild declares an importpath alias, then its path was
|
||||
# already created during the src_unpack phase. That means the eclass
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||||
# needs to create the missing original import path (GOLANG_PKG_IMPORTPATH)
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# as a simbolic link pointing to the alias.
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if [[ "${GOLANG_PKG_IMPORTPATH}" != "${GOLANG_PKG_IMPORTPATH_ALIAS}" ]]; then
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||||
# If the ebuild declares a GOLANG_PKG_NAME different from PN, then
|
||||
# the latter will be used as the simbolic link target.
|
||||
local TARGET="${GOLANG_PKG_NAME}"
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[[ "${PN}" != "${GOLANG_PKG_NAME}" ]] && TARGET="${PN}"
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||||
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||||
golang_fix_importpath_alias \
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"${GOLANG_PKG_IMPORTPATH_ALIAS}/${TARGET}" \
|
||||
"${GOLANG_PKG_IMPORTPATH}/${GOLANG_PKG_NAME}"
|
||||
fi
|
||||
|
||||
# If the ebuild declares some GoLang dependencies, then they need to be
|
||||
# correctly installed into the sand-boxed GoLang build environment which
|
||||
# was set up automatically during pkg_setup() phase.
|
||||
if [[ ${#GOLANG_PKG_DEPENDENCIES[@]} -gt 0 ]]; then
|
||||
|
||||
for i in ${!GOLANG_PKG_DEPENDENCIES[@]} ; do
|
||||
|
||||
# Collects all the tokens of the dependency.
|
||||
local -A DEPENDENCY=()
|
||||
while read -d $'\n' key value; do
|
||||
[[ -z ${key} ]] && continue
|
||||
DEPENDENCY[$key]="${value}"
|
||||
done <<-EOF
|
||||
$( _factorize_dependency_entities "${GOLANG_PKG_DEPENDENCIES[$i]}" )
|
||||
EOF
|
||||
|
||||
# Debug
|
||||
debug-print "${FUNCNAME}: DEPENDENCY = ${GOLANG_PKG_DEPENDENCIES[$i]}"
|
||||
debug-print "${FUNCNAME}: importpath = ${DEPENDENCY[importpath]}"
|
||||
debug-print "${FUNCNAME}: importpathalias = ${DEPENDENCY[importpathalias]}"
|
||||
debug-print "${FUNCNAME}: host = ${DEPENDENCY[host]}"
|
||||
debug-print "${FUNCNAME}: author = ${DEPENDENCY[author_name]}"
|
||||
debug-print "${FUNCNAME}: project = ${DEPENDENCY[project_name]}"
|
||||
debug-print "${FUNCNAME}: revision = ${DEPENDENCY[revision]}"
|
||||
|
||||
local message="Importing ${DEPENDENCY[importpath]}"
|
||||
local destdir
|
||||
|
||||
# Prepares GOPATH structure.
|
||||
case ${DEPENDENCY[importpathalias]} in
|
||||
gopkg.in*)
|
||||
message+=" as ${DEPENDENCY[importpathalias]}"
|
||||
destdir="${DEPENDENCY[importpathalias]}"
|
||||
|
||||
# Creates the import path in GOPATH.
|
||||
mkdir -p "${GOPATH}/src/${DEPENDENCY[importpathalias]%/*}" || die
|
||||
#einfo "\n${GOPATH}/src/${DEPENDENCY[importpathalias]%/*}"
|
||||
;;
|
||||
*)
|
||||
[[ "${DEPENDENCY[importpath]}" != "${DEPENDENCY[importpathalias]}/${DEPENDENCY[project_name]}" ]] && message+=" as ${DEPENDENCY[importpathalias]}/${DEPENDENCY[project_name]}"
|
||||
destdir="${DEPENDENCY[importpathalias]}/${DEPENDENCY[project_name]}"
|
||||
|
||||
# Creates the import path in GOPATH.
|
||||
mkdir -p "${GOPATH}/src/${DEPENDENCY[importpathalias]}" || die
|
||||
#einfo "\n${GOPATH}/src/${DEPENDENCY[importpathalias]}"
|
||||
;;
|
||||
esac
|
||||
|
||||
# Moves sources from WORKDIR into GOPATH.
|
||||
case ${DEPENDENCY[host]} in
|
||||
github*)
|
||||
ebegin "${message}"
|
||||
mv ${DEPENDENCY[project_name]}-${DEPENDENCY[revision]}* "${GOPATH}"/src/${destdir} || die
|
||||
eend
|
||||
|
||||
# FIX: sometimes the source code inside an importpath alias
|
||||
# (such as gopkg.in/mylib.v1) invokes imports from
|
||||
# the original import path instead of using the alias,
|
||||
# thus we need a symbolic link between the alias and
|
||||
# the original import path to avoid compilation issues.
|
||||
# Example: gopkg.in/Shopify/sarama.v1 erroneously
|
||||
# invokes imports from github.com/shopify/sarama
|
||||
if [[ ${destdir} != ${DEPENDENCY[importpath]} ]]; then
|
||||
golang_fix_importpath_alias ${destdir} ${DEPENDENCY[importpath]}
|
||||
fi
|
||||
;;
|
||||
bitbucket*)
|
||||
#einfo "path: ${DEPENDENCY[author_name]}-${DEPENDENCY[project_name]}-${DEPENDENCY[revision]}"
|
||||
ebegin "${message}"
|
||||
mv ${DEPENDENCY[author_name]}-${DEPENDENCY[project_name]}-${DEPENDENCY[revision]}* "${GOPATH}"/src/${destdir} || die
|
||||
eend
|
||||
;;
|
||||
code.google*)
|
||||
ebegin "${message}"
|
||||
mv ${DEPENDENCY[project_name]}-${DEPENDENCY[revision]}* "${GOPATH}"/src/${destdir} || die
|
||||
eend
|
||||
;;
|
||||
*) die "Function 'golang-base_src_prepare' doesn't support '${DEPENDENCY[importpath]}'" ;;
|
||||
esac
|
||||
done
|
||||
|
||||
fi
|
||||
|
||||
popd > /dev/null
|
||||
|
||||
|
||||
# Auto-detects the presence of Go's vendored
|
||||
# dependencies inside $S/vendor.
|
||||
local VENDOR="${S}/vendor"
|
||||
if [[ -d "${VENDOR}" ]]; then
|
||||
golang_add_vendor "${VENDOR}"
|
||||
export GO15VENDOREXPERIMENT=1
|
||||
fi
|
||||
|
||||
# Auto-detects the presence of Go's vendored
|
||||
# dependencies inside $S/*/vendor
|
||||
if [[ -n ${GOLANG_PKG_BUILDPATH} && ${GOLANG_PKG_BUILDPATH##*/} != "..." ]]; then
|
||||
while read -d $' ' path; do
|
||||
# Trims leading slash (if any).
|
||||
path="${path/\//}"
|
||||
|
||||
# Extracts the root path.
|
||||
path="${path%%/*}"
|
||||
|
||||
# Ignores $path when it's empty or a string of white spaces.
|
||||
[[ -n $path ]] || continue
|
||||
|
||||
local vendor="${S}/${path}/vendor"
|
||||
if [[ -d "${vendor}" ]]; then
|
||||
golang_add_vendor "${vendor}"
|
||||
fi
|
||||
done <<< "$( echo ${GOLANG_PKG_BUILDPATH}) "
|
||||
fi
|
||||
|
||||
|
||||
# Auto-detects the presence of Godep's workspace
|
||||
# (see github.com/tools/godep for more infos).
|
||||
VENDOR="${S}/Godeps/_workspace"
|
||||
if [[ -d "${VENDOR}" ]]; then
|
||||
golang_add_vendor "${VENDOR}"
|
||||
fi
|
||||
|
||||
|
||||
# Evaluates PATCHES array.
|
||||
default_src_prepare
|
||||
}
|
||||
|
||||
|
||||
# @FUNCTION: golang-base_src_configure
|
||||
# @DESCRIPTION:
|
||||
# Configure the package.
|
||||
golang-base_src_configure() {
|
||||
debug-print-function ${FUNCNAME} "${@}"
|
||||
|
||||
[[ ${EGO} ]] || die "No GoLang implementation set (golang_setup not called?)."
|
||||
|
||||
# Defines the level of verbosity.
|
||||
local EGO_VERBOSE="-v"
|
||||
[[ -z ${PORTAGE_VERBOSE} ]] || EGO_VERBOSE+=" -x"
|
||||
|
||||
# GoLang doesn't have a configure phase,
|
||||
# so instead this eclass prints the output of 'go env'.
|
||||
local -a GOLANG_ENV=()
|
||||
while read line; do
|
||||
GOLANG_ENV+=("${line}")
|
||||
done <<-EOF
|
||||
$( ${GO} env )
|
||||
EOF
|
||||
|
||||
# Prints an error when 'go env' output is missing.
|
||||
if [[ ${#GOLANG_ENV[@]} -eq 1 ]]; then
|
||||
eerror "Your GoLang environment should be more verbose"
|
||||
fi
|
||||
|
||||
# Prints GoLang environment summary.
|
||||
einfo " ${EGO} env"
|
||||
for env in "${GOLANG_ENV[@]}"; do
|
||||
einfo " - ${env}"
|
||||
done
|
||||
|
||||
|
||||
# Removes GoLang object files from package source directories (pkg/)
|
||||
# and temporary directories (_obj/ _test*/).
|
||||
local EGO_SUBPACKAGES="${GOLANG_PKG_IMPORTPATH_ALIAS}/${GOLANG_PKG_NAME}"
|
||||
case $( get_version_component_range 1-2 ${GOLANG_VERSION} ) in
|
||||
1.4*) ;;
|
||||
*)
|
||||
EGO_SUBPACKAGES+="/..."
|
||||
;;
|
||||
esac
|
||||
einfo "${EGO} clean -i ${EGO_VERBOSE} ${EGO_SUBPACKAGES}"
|
||||
${EGO} clean -i \
|
||||
${EGO_VERBOSE} \
|
||||
"${EGO_SUBPACKAGES}" \
|
||||
|| die
|
||||
|
||||
# Removes GoLang objects files from all the dependencies too.
|
||||
if [[ ${#GOLANG_PKG_DEPENDENCIES[@]} -gt 0 ]]; then
|
||||
|
||||
for i in ${!GOLANG_PKG_DEPENDENCIES[@]} ; do
|
||||
|
||||
# Collects all the tokens of the dependency.
|
||||
local -A DEPENDENCY=()
|
||||
while read -d $'\n' key value; do
|
||||
[[ -z ${key} ]] && continue
|
||||
DEPENDENCY[$key]="${value}"
|
||||
done <<-EOF
|
||||
$( _factorize_dependency_entities "${GOLANG_PKG_DEPENDENCIES[$i]}" )
|
||||
EOF
|
||||
|
||||
# Debug
|
||||
debug-print "${FUNCNAME}: DEPENDENCY = ${GOLANG_PKG_DEPENDENCIES[$i]}"
|
||||
debug-print "${FUNCNAME}: importpath = ${DEPENDENCY[importpath]}"
|
||||
|
||||
# Cleans object files of the dependency.
|
||||
einfo "${EGO} clean -i ${EGO_VERBOSE} ${DEPENDENCY[importpath]}"
|
||||
${EGO} clean \
|
||||
-i ${EGO_VERBOSE} \
|
||||
"${DEPENDENCY[importpath]}" \
|
||||
|| die
|
||||
done
|
||||
fi
|
||||
|
||||
# Before to compile Godep's dependencies it's wise to wipe out
|
||||
# all pre-built object files from Godep's package source directories.
|
||||
if [[ -d "${S}"/Godeps/_workspace/pkg ]]; then
|
||||
ebegin "Cleaning up pre-built object files in Godep workspace"
|
||||
rm -r "${S}"/Godeps/_workspace/pkg || die
|
||||
eend
|
||||
fi
|
||||
if [[ -d "${S}"/Godeps/_workspace/bin ]]; then
|
||||
ebegin "Cleaning up executables in Godep workspace"
|
||||
rm -r "${S}"/Godeps/_workspace/bin || die
|
||||
eend
|
||||
fi
|
||||
|
||||
|
||||
# Executes 'go generate'.
|
||||
# NOTE: generate should never run automatically. It must be run explicitly.
|
||||
if [[ -n ${GOLANG_PKG_USE_GENERATE} ]]; then
|
||||
pushd "${GOPATH}/src/${GOLANG_PKG_IMPORTPATH_ALIAS}/${GOLANG_PKG_NAME}" > /dev/null
|
||||
einfo "${EGO} generate ${EGO_VERBOSE} ${GOLANG_PKG_IMPORTPATH_ALIAS}/${GOLANG_PKG_NAME}/..."
|
||||
${EGO} generate \
|
||||
${EGO_VERBOSE} \
|
||||
./... \
|
||||
|| die
|
||||
popd > /dev/null
|
||||
fi
|
||||
|
||||
|
||||
# Executes 'statik' when explicitly asked.
|
||||
if [[ -n ${GOLANG_PKG_STATIK} ]]; then
|
||||
ebegin "${ESTATIK} $GOLANG_PKG_STATIK"
|
||||
${ESTATIK} $GOLANG_PKG_STATIK || die
|
||||
eend
|
||||
fi
|
||||
}
|
||||
|
||||
|
||||
# @FUNCTION: golang-base_src_compile
|
||||
# @DESCRIPTION:
|
||||
# Compiles the package.
|
||||
golang-base_src_compile() {
|
||||
debug-print-function ${FUNCNAME} "${@}"
|
||||
|
||||
[[ ${EGO} ]] || die "No GoLang implementation set (golang_setup not called?)."
|
||||
|
||||
# Populates env variable GOPATH with vendored workspaces (if present).
|
||||
if [[ -n ${GOLANG_PKG_VENDOR} ]]; then
|
||||
einfo "Using vendored dependencies from:"
|
||||
|
||||
for path in "${GOLANG_PKG_VENDOR[@]}"; do
|
||||
[ -d ${path} ] || continue
|
||||
|
||||
if [[ ${path//${S}\//} == "vendor" ]]; then
|
||||
einfo "- vendor/ (native vendoring support)"
|
||||
continue
|
||||
fi
|
||||
|
||||
debug-print "$FUNCNAME: GOPATH: Adding vendor path ${path}"
|
||||
ebegin "- ${path//${S}\//}"
|
||||
GOPATH="${GOPATH}:$( echo ${path} )"
|
||||
eend
|
||||
done
|
||||
|
||||
export GOPATH
|
||||
fi
|
||||
|
||||
# Defines the install suffix.
|
||||
local EGO_INSTALLSUFFIX
|
||||
[[ -z ${GOLANG_PKG_INSTALLSUFFIX} ]] || EGO_INSTALLSUFFIX="-installsuffix=${GOLANG_PKG_INSTALLSUFFIX}"
|
||||
|
||||
# Defines the level of verbosity.
|
||||
local EGO_VERBOSE="-v"
|
||||
[[ -z ${PORTAGE_VERBOSE} ]] || EGO_VERBOSE+=" -x"
|
||||
|
||||
# Defines the number of builds that can be run in parallel.
|
||||
local EGO_PARALLEL="-p $(makeopts_jobs)"
|
||||
|
||||
# Defines extra options.
|
||||
local EGO_EXTRA_OPTIONS="-a"
|
||||
|
||||
# Prepares build flags for the go toolchain.
|
||||
local EGO_BUILD_FLAGS="$( echo ${EGO_VERBOSE} ) $( echo ${EGO_PARALLEL} ) $( echo ${EGO_EXTRA_OPTIONS} )"
|
||||
[[ -n ${EGO_INSTALLSUFFIX} ]] && EGO_BUILD_FLAGS+=" $( echo ${EGO_INSTALLSUFFIX} )"
|
||||
|
||||
# Defines the output binary name of the package.
|
||||
# If the package is a multiple package then this eclass doesn't specify
|
||||
# the output name.
|
||||
[[ -z ${GOLANG_PKG_BUILDPATH} ]] && EGO_BUILD_FLAGS+=" -o ${GOBIN}/${GOLANG_PKG_OUTPUT_NAME}"
|
||||
|
||||
# Builds the package.
|
||||
einfo "Compiling package(s):"
|
||||
if [[ -n ${GOLANG_PKG_BUILDPATH} && ${GOLANG_PKG_BUILDPATH##*/} != "..." ]]; then
|
||||
|
||||
# NOTE: This eclass trims all leading and trailing white spaces from the
|
||||
# input of the following 'while read' loop, then appends an extra
|
||||
# trailing space; this is necessary to avoid undefined behaviours
|
||||
# within the loop when GOLANG_PKG_BUILDPATH is populated with only
|
||||
# a single element.
|
||||
while read -d $' ' cmd; do
|
||||
# Ignores $cmd when it's empty or a string of white spaces
|
||||
#einfo "cmd: |$cmd| cmd: |${cmd##*/}|"
|
||||
[[ -n $cmd ]] || continue
|
||||
|
||||
golang_do_build \
|
||||
${EGO_BUILD_FLAGS} \
|
||||
-o "${GOBIN}/${cmd##*/}" \
|
||||
"${GOLANG_PKG_IMPORTPATH_ALIAS}/${GOLANG_PKG_NAME}${cmd}"
|
||||
done <<< "$( echo ${GOLANG_PKG_BUILDPATH}) "
|
||||
else
|
||||
golang_do_build \
|
||||
${EGO_BUILD_FLAGS} \
|
||||
"${GOLANG_PKG_IMPORTPATH_ALIAS}/${GOLANG_PKG_NAME}${GOLANG_PKG_BUILDPATH}"
|
||||
fi
|
||||
}
|
||||
|
||||
|
||||
# @FUNCTION: golang-base_src_install
|
||||
# @DESCRIPTION:
|
||||
# Installs binaries and documents from DOCS or HTML_DOCS arrays.
|
||||
golang-base_src_install() {
|
||||
debug-print-function ${FUNCNAME} "${@}"
|
||||
|
||||
[[ ${EGO} ]] || die "No GoLang implementation set (golang_setup not called?)."
|
||||
|
||||
# Defines the install suffix.
|
||||
local EGO_INSTALLSUFFIX
|
||||
[[ -z ${GOLANG_PKG_INSTALLSUFFIX} ]] || EGO_INSTALLSUFFIX="-installsuffix=${GOLANG_PKG_INSTALLSUFFIX}"
|
||||
|
||||
# Defines the level of verbosity.
|
||||
local EGO_VERBOSE="-v"
|
||||
[[ -z ${PORTAGE_VERBOSE} ]] || EGO_VERBOSE+=" -x"
|
||||
|
||||
# Defines the number of builds that can be run in parallel.
|
||||
local EGO_PARALLEL="-p $(makeopts_jobs)"
|
||||
|
||||
# Defines extra options.
|
||||
local EGO_EXTRA_OPTIONS
|
||||
|
||||
# Prepares build flags for the go toolchain.
|
||||
local EGO_BUILD_FLAGS="$( echo ${EGO_VERBOSE} ) $( echo ${EGO_PARALLEL} ) $( echo ${EGO_EXTRA_OPTIONS} )"
|
||||
[[ -n ${EGO_INSTALLSUFFIX} ]] && EGO_BUILD_FLAGS+=" $( echo ${EGO_INSTALLSUFFIX} )"
|
||||
|
||||
# Defines sub-packages.
|
||||
local EGO_SUBPACKAGES="${GOLANG_PKG_IMPORTPATH_ALIAS}/${GOLANG_PKG_NAME}${GOLANG_PKG_BUILDPATH}"
|
||||
|
||||
# Executes the pre-install phase (go install).
|
||||
if [[ -n ${GOLANG_PKG_IS_MULTIPLE} ]]; then
|
||||
einfo "${EGO} install -ldflags '$GOLANG_PKG_LDFLAGS' -tags '$GOLANG_PKG_TAGS' ${EGO_BUILD_FLAGS} ${EGO_SUBPACKAGES}"
|
||||
${EGO} install \
|
||||
-ldflags "${GOLANG_PKG_LDFLAGS}" \
|
||||
-tags "${GOLANG_PKG_TAGS}" \
|
||||
${EGO_BUILD_FLAGS} \
|
||||
"${EGO_SUBPACKAGES}" \
|
||||
|| die
|
||||
fi
|
||||
|
||||
# Installs binaries.
|
||||
into ${GOLANG_PKG_INSTALLPATH}
|
||||
for bin in "${GOBIN}"/* ; do
|
||||
dobin ${bin}
|
||||
done
|
||||
|
||||
# Installs documentation.
|
||||
einstalldocs
|
||||
}
|
||||
|
||||
# @FUNCTION: golang-base_src_test
|
||||
# @DESCRIPTION:
|
||||
# Runs the unit tests for the main package.
|
||||
golang-base_src_test() {
|
||||
debug-print-function ${FUNCNAME} "${@}"
|
||||
|
||||
[[ ${EGO} ]] || die "No GoLang implementation set (golang_setup not called?)."
|
||||
|
||||
# Appends S and GOBIN to exported main paths.
|
||||
# FIX: this is necessary for unit tests that need to invoke bins from
|
||||
# $GOBIN or from within $S/bin.
|
||||
export PATH="${S}/bin:${GOBIN}:${PATH}"
|
||||
|
||||
# Defines the level of verbosity.
|
||||
local EGO_VERBOSE="-v"
|
||||
[[ -z ${PORTAGE_VERBOSE} ]] || EGO_VERBOSE+=" -x"
|
||||
|
||||
# Defines the number of builds that can be run in parallel.
|
||||
local EGO_PARALLEL="-p $(makeopts_jobs)"
|
||||
|
||||
# Defines extra options.
|
||||
local EGO_EXTRA_OPTIONS="-a"
|
||||
|
||||
# Enables data race detection.
|
||||
local EGO_RACE
|
||||
[[ -n ${GOLANG_PKG_HAVE_TEST_RACE} ]] && EGO_RACE=" -race"
|
||||
|
||||
# Prepares build flags for the go toolchain.
|
||||
local EGO_BUILD_FLAGS="$( echo ${EGO_VERBOSE} ) $( echo ${EGO_PARALLEL} ) $( echo ${EGO_EXTRA_OPTIONS} )"
|
||||
[[ -n ${EGO_RACE} ]] && EGO_BUILD_FLAGS+=" $( echo ${EGO_RACE} )"
|
||||
|
||||
# Defines sub-packages.
|
||||
local EGO_SUBPACKAGES="${GOLANG_PKG_IMPORTPATH_ALIAS}/${GOLANG_PKG_NAME}${GOLANG_PKG_BUILDPATH}"
|
||||
[[ -z ${GOLANG_PKG_IS_MULTIPLE} ]] || EGO_SUBPACKAGES="./..."
|
||||
|
||||
# Runs the unit tests.
|
||||
einfo "${EGO} test ${EGO_BUILD_FLAGS} ${EGO_SUBPACKAGES}"
|
||||
${EGO} test \
|
||||
${EGO_BUILD_FLAGS} \
|
||||
"${EGO_SUBPACKAGES}" \
|
||||
|| die
|
||||
}
|
||||
|
||||
|
||||
# @FUNCTION: golang_do_build
|
||||
# @INTERNAL
|
||||
# @USAGE: <flags> <buildpath>
|
||||
# @DESCRIPTION:
|
||||
#
|
||||
# @CODE
|
||||
# Example:
|
||||
# GOLANG_PKG_LDFLAGS="-extldflags=-static"
|
||||
# GOLANG_PKG_TAGS="netgo"
|
||||
#
|
||||
# golang_do_build ${EGO_BUILD_FLAGS} ${GOLANG_PKG_IMPORTPATH}/${GOLANG_PKG_NAME}${GOLANG_PKG_BUILDPATH}
|
||||
# @CODE
|
||||
golang_do_build() {
|
||||
debug-print-function ${FUNCNAME} $*
|
||||
|
||||
[[ ${GOLANG_VERSION} ]] || die "No GoLang implementation set (golang_setup not called?)."
|
||||
|
||||
# Filters "=" chars from ldflags declaration.
|
||||
# NOTE: from go1.5+ linker syntax is no more compatible with <go1.4;
|
||||
# this hack ensures that the old behaviour is honoured.
|
||||
if [[ $( get_version_component_range 1-2 ${GOLANG_VERSION} ) == "1.4" ]]; then
|
||||
GOLANG_PKG_LDFLAGS="${GOLANG_PKG_LDFLAGS//=/ }"
|
||||
fi
|
||||
|
||||
# Disables debug symbols (DWARF) when not required.
|
||||
! use debug && GOLANG_PKG_LDFLAGS="-s -w ${GOLANG_PKG_LDFLAGS}"
|
||||
|
||||
# Sanitizes vars from entra white spaces.
|
||||
GOLANG_PKG_LDFLAGS="$( echo ${GOLANG_PKG_LDFLAGS} )"
|
||||
GOLANG_PKG_TAGS="$( echo ${GOLANG_PKG_TAGS} )"
|
||||
|
||||
einfo "${EGO} build -ldflags '$GOLANG_PKG_LDFLAGS' -tags '$GOLANG_PKG_TAGS' $*"
|
||||
${EGO} build \
|
||||
-ldflags "${GOLANG_PKG_LDFLAGS}" \
|
||||
-tags "${GOLANG_PKG_TAGS}" \
|
||||
$( echo $* ) \
|
||||
|| die
|
||||
}
|
||||
|
||||
|
||||
# @FUNCTION: golang_add_vendor
|
||||
# @INTERNAL
|
||||
# @USAGE: <path>
|
||||
# @DESCRIPTION:
|
||||
#
|
||||
# @CODE
|
||||
# Example
|
||||
#
|
||||
# golang_add_vendor "${S}"/vendor
|
||||
# golang_add_vendor "${S}"/${PN}/vendor
|
||||
# @CODE
|
||||
golang_add_vendor() {
|
||||
debug-print-function ${FUNCNAME} $*
|
||||
|
||||
[[ ${1} ]] || die "${FUNCNAME}: no paths given"
|
||||
|
||||
[[ ${GOLANG_VERSION} ]] || die "No Golang implementation set (golang_setup not called?)."
|
||||
|
||||
[[ ! -d "${1}" ]] && return
|
||||
|
||||
# NOTE: this hack is required by Go v1.4 and older versions.
|
||||
if [[ ! -d "${1}"/src ]]; then
|
||||
ebegin "Fixing $1"
|
||||
ln -s "${1}" "${1}"/src || die
|
||||
eend
|
||||
fi
|
||||
|
||||
GOLANG_PKG_VENDOR+=(${1})
|
||||
}
|
||||
|
||||
|
||||
# @FUNCTION: golang_fix_importpath_alias
|
||||
# @USAGE: <target> <alias>
|
||||
# @DESCRIPTION:
|
||||
# Helper functions for generating a symbolic link for import path <target> as
|
||||
# <alias>.
|
||||
#
|
||||
# WARNING: Use this function only if GOLANG_PKG_DEPENDENCIES declaration of
|
||||
# import path aliases doesn't work (e.g.: the package name differs from both the
|
||||
# import path and the alias, or if the package name is case sensitive but the
|
||||
# import path is not).
|
||||
#
|
||||
# @CODE
|
||||
# Example:
|
||||
#
|
||||
# src_prepare() {
|
||||
# golang-single_src_prepare
|
||||
#
|
||||
# golang_fix_importpath_alias \
|
||||
# "github.com/GoogleCloudPlatform/gcloud-golang" \
|
||||
# "google.golang.org/cloud"
|
||||
# }
|
||||
# @CODE
|
||||
golang_fix_importpath_alias() {
|
||||
debug-print-function ${FUNCNAME} "${@}"
|
||||
|
||||
[[ ${1} ]] || die "${FUNCNAME}: no target specified"
|
||||
[[ ${2} ]] || die "${FUNCNAME}: no alias specified"
|
||||
|
||||
[[ ${EGO} ]] || die "No GoLang implementation set (golang_setup not called?)."
|
||||
|
||||
|
||||
local TARGET="${1}"
|
||||
local ALIAS="${2}"
|
||||
|
||||
if [[ ${ALIAS%/*} != ${ALIAS} ]]; then
|
||||
mkdir -p "${GOPATH}/src/${ALIAS%/*}" || die
|
||||
fi
|
||||
ebegin "Linking ${TARGET} as ${ALIAS}"
|
||||
ln -s "${GOPATH}/src/${TARGET}" \
|
||||
"${GOPATH}/src/${ALIAS}" \
|
||||
|| die
|
||||
eend
|
||||
}
|
||||
|
||||
|
||||
fi
|
||||
Loading…
Reference in New Issue