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%bcond_with bootstrap
# build ids are not currently generated:
# also, debuginfo extraction currently fails with
# "Failed to write file: invalid section alignment"
%global debug_package %{nil}

# we are shipping the full contents of src in the data subpackage, which
# contains binary-like things (ELF data for tests, etc)
%global _binaries_in_noarch_packages_terminate_build 0

# Do not check any files in doc or src for requires
%global __requires_exclude_from ^(%{_datadir}|/usr/lib)/%{name}/(doc|src)/.*$

# Don't alter timestamps of especially the .a files (or else go will rebuild later)
# Actually, don't strip at all since we are not even building debug packages and this corrupts the dwarf testdata
%global __strip /bin/true

# rpmbuild magic to keep from having meta dependency on
%define _use_internal_dependency_generator 0
%define __find_requires %{nil}
%global __spec_install_post /usr/lib/rpm/check-rpaths   /usr/lib/rpm/check-buildroot  \

%global golibdir %{_libdir}/golang

# This macro may not always be defined, ensure it is
%{!?gopath: %global gopath %{_datadir}/gocode}

# Golang build options.

# Build golang using external/internal(close to cgo disabled) linking.
%ifarch %{ix86} x86_64 ppc64le %{arm} aarch64 s390x
%global external_linker 1
%global external_linker 0

# Build golang with cgo enabled/disabled(later equals more or less to internal linking).
%ifarch %{ix86} x86_64 ppc64le %{arm} aarch64 s390x
%global cgo_enabled 1
%global cgo_enabled 0

# Use golang/gcc-go as bootstrap compiler
%if %{with bootstrap}
%global golang_bootstrap 0
%global golang_bootstrap 1

# Controls what ever we fail on failed tests
%if %{with ignore_tests}
%global fail_on_tests 0
%global fail_on_tests 1

# Build golang shared objects for stdlib
%ifarch %{ix86} x86_64 ppc64le %{arm} aarch64
%global shared 1
%global shared 0

# Pre build std lib with -race enabled
# Disabled due to 1.20 new cache usage, see 1.20 upstream release notes
%global race 0

# Fedora GOROOT
%global goroot          /usr/lib/%{name}

%ifarch x86_64
%global gohostarch  amd64
%ifarch %{ix86}
%global gohostarch  386
%ifarch %{arm}
%global gohostarch  arm
%ifarch aarch64
%global gohostarch  arm64
%ifarch ppc64
%global gohostarch  ppc64
%ifarch ppc64le
%global gohostarch  ppc64le
%ifarch s390x
%global gohostarch  s390x

# Comment out go_prerelease and go_patch as needed
%global go_api 1.21
#global go_prerelease rc3
%global go_patch 4

%global go_version %{go_api}%{?go_patch:.%{go_patch}}%{?go_prerelease:~%{go_prerelease}}
%global go_source %{go_api}%{?go_patch:.%{go_patch}}%{?go_prerelease}
Name:           golang
Version:        %{go_version}
Release:        %autorelease
Summary:        The Go Programming Language
# source tree includes several copies of Mark.Twain-Tom.Sawyer.txt under Public Domain
License:        BSD-3-Clause AND LicenseRef-Fedora-Public-Domain
# make possible to override default traceback level at build time by setting build tag rpm_crashtraceback
Source1:        fedora.go

# The compiler is written in Go. Needs go(1.4+) compiler for build.
%if !%{golang_bootstrap}
BuildRequires:  gcc-go >= 5
BuildRequires:  golang > 1.4
%if 0%{?rhel} > 6 || 0%{?fedora} > 0
BuildRequires:  hostname
BuildRequires:  net-tools
# for tests
BuildRequires:  pcre2-devel, glibc-static, perl-interpreter, procps-ng

Provides:       go = %{version}-%{release}

# Bundled/Vendored provides generated by based on the in tree module data
Provides: bundled(golang( =
Provides: bundled(golang( =
Provides: bundled(golang( = 0.4.0
Provides: bundled(golang( =
Provides: bundled(golang( = 0.12.0
Provides: bundled(golang( =
Provides: bundled(golang( = 0.3.0
Provides: bundled(golang( = 0.10.0
Provides: bundled(golang( = 0.10.0
Provides: bundled(golang( = 0.11.0
Provides: bundled(golang( =

Requires:       %{name}-bin = %{version}-%{release}
Requires:       %{name}-src = %{version}-%{release}
Requires:       go-filesystem

Patch1:         0001-Modify-go.env.patch
Patch4:         0004-cmd-link-use-gold-on-ARM-ARM64-only-if-gold-is-avail.patch

# Having documentation separate was broken
Obsoletes:      %{name}-docs < 1.1-4

# RPM can't handle symlink -> dir with subpackages, so merge back
Obsoletes:      %{name}-data < 1.1.1-4

# go1.4 deprecates a few packages
Obsoletes:      %{name}-vim < 1.4
Obsoletes:      emacs-%{name} < 1.4

# We stopped building the golang-race subpackage, so we need to to maintain the
# update path.
Obsoletes:      golang-race < 1.20~rc3-2

# These are the only RHEL/Fedora architectures that we compile this package for
ExclusiveArch:  %{golang_arches}

Source100:      golang-gdbinit


%package       docs
Summary:       Golang compiler docs
Requires:      %{name} = %{version}-%{release}
BuildArch:     noarch
Obsoletes:     %{name}-docs < 1.1-4

%description   docs

%package       misc
Summary:       Golang compiler miscellaneous sources
Requires:      %{name} = %{version}-%{release}
BuildArch:     noarch

%description   misc

%package       tests
Summary:       Golang compiler tests for stdlib
Requires:      %{name} = %{version}-%{release}
BuildArch:     noarch

%description   tests

%package        src
Summary:        Golang compiler source tree
BuildArch:      noarch
%description    src

%package        bin
Summary:        Golang core compiler tools
# Some distributions refer to this package by this name
Provides:       %{name}-go = %{version}-%{release}
Requires:       go = %{version}-%{release}
# Pre-go1.5, all arches had to be bootstrapped individually, before usable, and
# env variables to compile for the target os-arch.
# Now the host compiler needs only the GOOS and GOARCH environment variables
# set to compile for the target os-arch.
Obsoletes:      %{name}-pkg-bin-linux-386 < 1.4.99
Obsoletes:      %{name}-pkg-bin-linux-amd64 < 1.4.99
Obsoletes:      %{name}-pkg-bin-linux-arm < 1.4.99
Obsoletes:      %{name}-pkg-linux-386 < 1.4.99
Obsoletes:      %{name}-pkg-linux-amd64 < 1.4.99
Obsoletes:      %{name}-pkg-linux-arm < 1.4.99
Obsoletes:      %{name}-pkg-darwin-386 < 1.4.99
Obsoletes:      %{name}-pkg-darwin-amd64 < 1.4.99
Obsoletes:      %{name}-pkg-windows-386 < 1.4.99
Obsoletes:      %{name}-pkg-windows-amd64 < 1.4.99
Obsoletes:      %{name}-pkg-plan9-386 < 1.4.99
Obsoletes:      %{name}-pkg-plan9-amd64 < 1.4.99
Obsoletes:      %{name}-pkg-freebsd-386 < 1.4.99
Obsoletes:      %{name}-pkg-freebsd-amd64 < 1.4.99
Obsoletes:      %{name}-pkg-freebsd-arm < 1.4.99
Obsoletes:      %{name}-pkg-netbsd-386 < 1.4.99
Obsoletes:      %{name}-pkg-netbsd-amd64 < 1.4.99
Obsoletes:      %{name}-pkg-netbsd-arm < 1.4.99
Obsoletes:      %{name}-pkg-openbsd-386 < 1.4.99
Obsoletes:      %{name}-pkg-openbsd-amd64 < 1.4.99

Obsoletes:      golang-vet < 0-12.1
Obsoletes:      golang-cover < 0-12.1

Requires(post): %{_sbindir}/update-alternatives
Requires(preun): %{_sbindir}/update-alternatives

# We strip the meta dependency, but go does require glibc.
# This is an odd issue, still looking for a better fix.
Requires:       glibc
Requires:       gcc
%if 0%{?rhel} && 0%{?rhel} < 8
Requires:       git, subversion, mercurial
Recommends:     git, subversion, mercurial
%description    bin

# Workaround old RPM bug of symlink-replaced-with-dir failure
%pretrans -p <lua>
for _,d in pairs({"api", "doc", "include", "lib", "src"}) do
  path = "%{goroot}/" .. d
  if posix.stat(path, "type") == "link" then

%if %{shared}
%package        shared
Summary:        Golang shared object libraries

%description    shared

%if %{race}
%package        race
Summary:        Golang std library with -race enabled

Requires:       %{name} = %{version}-%{release}

%description    race

%autosetup -p1 -n go

cp %{SOURCE1} ./src/runtime/

# print out system information
uname -a
cat /proc/cpuinfo
cat /proc/meminfo

# bootstrap compiler GOROOT
%if !%{golang_bootstrap}
export GOROOT_BOOTSTRAP=%{goroot}

# set up final install location
export GOROOT_FINAL=%{goroot}

export GOHOSTOS=linux
export GOHOSTARCH=%{gohostarch}

pushd src
# use our gcc options for this build, but store gcc as default for compiler
export CC="gcc"
export CC_FOR_TARGET="gcc"
export GOOS=linux
export GOARCH=%{gohostarch}
%if !%{external_linker}
export GO_LDFLAGS="-linkmode internal"
%if !%{cgo_enabled}
export CGO_ENABLED=0
./make.bash -v

# build shared std lib
%if %{shared}
GOROOT=$(pwd) PATH=$(pwd)/bin:$PATH go install -buildmode=shared -v -x std

%if %{race}
GOROOT=$(pwd) PATH=$(pwd)/bin:$PATH go install -race -v -x std

echo "== 1 =="
# remove GC build cache
rm -rf pkg/obj/go-build/*

# create the top level directories
mkdir -p $RPM_BUILD_ROOT%{_bindir}
mkdir -p $RPM_BUILD_ROOT%{goroot}

# install everything into libdir (until symlink problems are fixed)
cp -apv api bin doc lib pkg src misc test go.env VERSION \
echo "== 2 =="
# bz1099206
find $RPM_BUILD_ROOT%{goroot}/src -exec touch -r $RPM_BUILD_ROOT%{goroot}/VERSION "{}" \;
# and level out all the built archives
touch $RPM_BUILD_ROOT%{goroot}/pkg
find $RPM_BUILD_ROOT%{goroot}/pkg -exec touch -r $RPM_BUILD_ROOT%{goroot}/pkg "{}" \;
# generate the spec file ownership of this source tree and packages
rm -f $src_list $pkg_list $docs_list $misc_list $tests_list $shared_list $race_list
touch $src_list $pkg_list $docs_list $misc_list $tests_list $shared_list $race_list
pushd $RPM_BUILD_ROOT%{goroot}
  echo "== 3 =="
    find src/ -type d -a \( ! -name testdata -a ! -ipath '*/testdata/*' \) -printf '%%%dir %{goroot}/%p\n' >> $src_list
    find src/ ! -type d -a \( ! -ipath '*/testdata/*' -a ! -name '*_test.go' \) -printf '%{goroot}/%p\n' >> $src_list

    find bin/ pkg/ -type d -a ! -path '*_dynlink/*' -a ! -path '*_race/*' -printf '%%%dir %{goroot}/%p\n' >> $pkg_list
    find bin/ pkg/ ! -type d -a ! -path '*_dynlink/*' -a ! -path '*_race/*' -printf '%{goroot}/%p\n' >> $pkg_list

    find doc/ -type d -printf '%%%dir %{goroot}/%p\n' >> $docs_list
    find doc/ ! -type d -printf '%{goroot}/%p\n' >> $docs_list

    find misc/ -type d -printf '%%%dir %{goroot}/%p\n' >> $misc_list
    find misc/ ! -type d -printf '%{goroot}/%p\n' >> $misc_list

%if %{shared}
echo "== 4 =="
    mkdir -p %{buildroot}/%{_libdir}/
    mkdir -p %{buildroot}/%{golibdir}/
    for file in $(find .  -iname "*.so" ); do
        chmod 755 $file
        mv  $file %{buildroot}/%{golibdir}
        pushd $(dirname $file)
        ln -fs %{golibdir}/$(basename $file) $(basename $file)
        echo "%%{goroot}/$file" >> $shared_list
        echo "%%{golibdir}/$(basename $file)" >> $shared_list
    find pkg/*_dynlink/ -type d -printf '%%%dir %{goroot}/%p\n' >> $shared_list
    find pkg/*_dynlink/ ! -type d -printf '%{goroot}/%p\n' >> $shared_list

echo "== 5 =="

%if %{race}
    find pkg/*_race/ -type d -printf '%%%dir %{goroot}/%p\n' >> $race_list
    find pkg/*_race/ ! -type d -printf '%{goroot}/%p\n' >> $race_list
    find test/ -type d -printf '%%%dir %{goroot}/%p\n' >> $tests_list
    find test/ ! -type d -printf '%{goroot}/%p\n' >> $tests_list
    find src/ -type d -a \( -name testdata -o -ipath '*/testdata/*' \) -printf '%%%dir %{goroot}/%p\n' >> $tests_list
    find src/ ! -type d -a \( -ipath '*/testdata/*' -o -name '*_test.go' \) -printf '%{goroot}/%p\n' >> $tests_list
    # this is only the
    find lib/ -type d -printf '%%%dir %{goroot}/%p\n' >> $tests_list
    find lib/ ! -type d -printf '%{goroot}/%p\n' >> $tests_list
echo "== 6 =="
# remove the doc Makefile
rm -rfv $RPM_BUILD_ROOT%{goroot}/doc/Makefile

# put binaries to bindir, linked to the arch we're building,
# leave the arch independent pieces in {goroot}
mkdir -p $RPM_BUILD_ROOT%{goroot}/bin/linux_%{gohostarch}
ln -sf %{goroot}/bin/go $RPM_BUILD_ROOT%{goroot}/bin/linux_%{gohostarch}/go
ln -sf %{goroot}/bin/gofmt $RPM_BUILD_ROOT%{goroot}/bin/linux_%{gohostarch}/gofmt

# ensure these exist and are owned
mkdir -p $RPM_BUILD_ROOT%{gopath}/src/
mkdir -p $RPM_BUILD_ROOT%{gopath}/src/
mkdir -p $RPM_BUILD_ROOT%{gopath}/src/
mkdir -p $RPM_BUILD_ROOT%{gopath}/src/
echo "== 7 =="
# make sure these files exist and point to alternatives
rm -f $RPM_BUILD_ROOT%{_bindir}/go
ln -sf /etc/alternatives/go $RPM_BUILD_ROOT%{_bindir}/go
rm -f $RPM_BUILD_ROOT%{_bindir}/gofmt
ln -sf /etc/alternatives/gofmt $RPM_BUILD_ROOT%{_bindir}/gofmt

# gdbinit
mkdir -p $RPM_BUILD_ROOT%{_sysconfdir}/gdbinit.d
cp -av %{SOURCE100} $RPM_BUILD_ROOT%{_sysconfdir}/gdbinit.d/golang.gdb

echo "== END OF INSTALL =="

export GOROOT=$(pwd -P)
export PATH="$GOROOT"/bin:"$PATH"
cd src

export CC="gcc"
%if !%{external_linker}
export GO_LDFLAGS="-linkmode internal"
%if !%{cgo_enabled} || !%{external_linker}
export CGO_ENABLED=0
# workaround for until it gests fixed
# Commented until the patch is ready, this workaround suggested in the link above
# doesn't work properly
#ifarch aarch64
#export CGO_CFLAGS="-mno-outline-atomics"

# make sure to not timeout

%if %{fail_on_tests}
./run.bash --no-rebuild -v -v -v -k
./run.bash --no-rebuild -v -v -v -k || :
cd ..

%post bin
%{_sbindir}/update-alternatives --install %{_bindir}/go \
    go %{goroot}/bin/go 90 \
    --slave %{_bindir}/gofmt gofmt %{goroot}/bin/gofmt

%preun bin
if [ $1 = 0 ]; then
    %{_sbindir}/update-alternatives --remove go %{goroot}/bin/go

# VERSION has to be present in the GOROOT, for `go install std` to work
%doc %{goroot}/VERSION
%dir %{goroot}/doc

# go files
%dir %{goroot}

# ensure directory ownership, so they are cleaned up if empty
%dir %{gopath}
%dir %{gopath}/src
%dir %{gopath}/src/
%dir %{gopath}/src/
%dir %{gopath}/src/
%dir %{gopath}/src/
%dir %{gopath}/src/
%dir %{gopath}/src/

# gdbinit (for gdb debugging)

%files src -f go-src.list

%files docs -f go-docs.list

%files misc -f go-misc.list

%files tests -f go-tests.list

%files bin -f go-pkg.list

%if %{shared}
%files shared -f go-shared.list

%if %{race}
%files race -f go-race.list