On Wed, Sep 11, 2019 at 04:31:00PM -0700, Alec Warner wrote:
> On Wed, Sep 11, 2019 at 10:28 AM William Hubbs <willi...@gentoo.org> wrote:
>
> > Copyright: Sony Interactive Entertainment Inc.
> > Signed-off-by: William Hubbs <willi...@gentoo.org>
> > ---
> > eclass/go-module.eclass | 76 +++++++++++++++++++++++++++++++++++++++++
> > 1 file changed, 76 insertions(+)
> > create mode 100644 eclass/go-module.eclass
> >
> > diff --git a/eclass/go-module.eclass b/eclass/go-module.eclass
> > new file mode 100644
> > index 00000000000..7009fcd3beb
> > --- /dev/null
> > +++ b/eclass/go-module.eclass
> > @@ -0,0 +1,76 @@
> > +# Copyright 1999-2015 Gentoo Foundation
> > +# Distributed under the terms of the GNU General Public License v2
> > +
> > +# @ECLASS: go-module.eclass
> > +# @MAINTAINER:
> > +# William Hubbs <willi...@gentoo.org>
> > +# @SUPPORTED_EAPIS: 7
> > +# @BLURB: basic eclass for building software written in the go
> > +# programming language that uses go modules.
> > +# @DESCRIPTION:
> > +# This eclass provides a convenience src_prepare() phase and some basic
> > +# settings needed for all software written in the go programming
> > +# language that uses go modules.
> > +#
> > +# You will know the software you are packaging uses modules because
> > +# it will have files named go.sum and go.mod in its top-level source
> > +# directory. If it does not have these files, use the golang-* eclasses.
> > +#
> > +# If the software you are packaging uses modules, the next question is
> > +# whether it has a directory named "vendor" at the top-level of the
> > source tree.
> > +#
> > +# If it doesn't, you need to create a tarball of what would be in the
> > +# vendor directory and mirror it locally. This is done with the
> > +# following commands if upstream is using a git repository:
> > +#
> > +# @CODE:
> > +#
> > +# $ cd /my/clone/of/upstream
> > +# $ git checkout <release>
> > +# $ go mod vendor
> > +# $ tar cvf project-version-vendor.tar.gz vendor
> > +#
> > +# @CODE:
> > +#
> > +# Other than this, all you need to do is inherit this eclass then
> > +# make sure the exported src_prepare function is run.
> > +
> > +case ${EAPI:-0} in
> > + 7) ;;
> > + *) die "${ECLASS} API in EAPI ${EAPI} not yet established."
> > +esac
> > +
> > +if [[ -z ${_GO_MODULE} ]]; then
> > +
> > +_GO_MODULE=1
> > +
> > +BDEPEND=">=dev-lang/go-1.12"
> > +
> > +# Do not download dependencies from the internet
> > +# make build output verbose by default
> > +export GOFLAGS="-mod=vendor -v -x"
> > +
> > +# Do not complain about CFLAGS etc since go projects do not use them.
> > +QA_FLAGS_IGNORED='.*'
> > +
> > +# Upstream does not support stripping go packages
> > +RESTRICT="strip"
> >
>
> https://golang.org/cmd/link/ implies you can pass -s -w to the compiler to
> reduce binary size.
>
> Does that not work in portage by default, or does upstream just consider
> that bad practice?I haven't tried it, but here are the definitions of -s and -w. -s Omit the symbol table and debug information. -w Omit the DWARF symbol table. These look like Go's equivalent of stripping the binaries, and I have my doubts as to whether we should force this. William
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