%global goroot          /usr/lib/golang
 %global gopath          %{_datadir}/gocode
 %ifarch aarch64
 %global gohostarch      arm64
 %else
 %global gohostarch      amd64
 %endif
 
 # rpmbuild magic to keep from having meta dependency on libc.so.6
 #%define _use_internal_dependency_generator 0
 #%define __find_requires %{nil}
 
 Summary:        Go
 Name:           go
 Version:        1.10.4

 Release:        2%{?dist}

 License:        BSD
 URL:            https://golang.org
 Group:          System Environment/Security
 Vendor:         VMware, Inc.
 Distribution:   Photon
 Source0:        https://dl.google.com/go/%{name}%{version}.src.tar.gz
 %define sha1    go=adcd9d0bbbc764fa4ff20c08eb4a5a527fa95d96
 Requires:       glibc

 %define ExtraBuildRequires go

 
 %description
 Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.
 
 %prep
 %setup -qn %{name}
 
 %build
 export GOHOSTOS=linux
 export GOHOSTARCH=%{gohostarch}
 export GOROOT_BOOTSTRAP=%{goroot}
 
 export GOROOT="`pwd`"
 export GOPATH=%{gopath}
 export GOROOT_FINAL=%{_bindir}/go
 rm -f  %{gopath}/src/runtime/*.c
 pushd src
 ./make.bash --no-clean
 popd
 
 %install
 rm -rf %{buildroot}
 
 mkdir -p %{buildroot}%{_bindir}
 mkdir -p %{buildroot}%{goroot}
 
 cp -R api bin doc favicon.ico lib pkg robots.txt src misc VERSION %{buildroot}%{goroot}
 
 # remove the unnecessary zoneinfo file (Go will always use the system one first)
 rm -rfv %{buildroot}%{goroot}/lib/time
 
 # remove the doc Makefile
 rm -rfv %{buildroot}%{goroot}/doc/Makefile
 
 # put binaries to bindir, linked to the arch we're building,
 # leave the arch independent pieces in %{goroot}
 mkdir -p %{buildroot}%{goroot}/bin/linux_%{gohostarch}
 ln -sfv ../go %{buildroot}%{goroot}/bin/linux_%{gohostarch}/go
 ln -sfv ../gofmt %{buildroot}%{goroot}/bin/linux_%{gohostarch}/gofmt
 ln -sfv %{goroot}/bin/gofmt %{buildroot}%{_bindir}/gofmt
 ln -sfv %{goroot}/bin/go %{buildroot}%{_bindir}/go
 
 # ensure these exist and are owned
 mkdir -p %{buildroot}%{gopath}/src/github.com/
 mkdir -p %{buildroot}%{gopath}/src/bitbucket.org/
 mkdir -p %{buildroot}%{gopath}/src/code.google.com/
 mkdir -p %{buildroot}%{gopath}/src/code.google.com/p/
 
 install -vdm755 %{buildroot}/etc/profile.d
 cat >> %{buildroot}/etc/profile.d/go-exports.sh <<- "EOF"
 export GOROOT=%{goroot}
 export GOPATH=%{_datadir}/gocode
 export GOHOSTOS=linux
 export GOHOSTARCH=%{gohostarch}
 export GOOS=linux
 EOF
 #chown -R root:root %{buildroot}/etc/profile.d/go-exports.sh
 
 
 #%{_fixperms} %{buildroot}/*
 
 %post -p /sbin/ldconfig
 
 %postun
 /sbin/ldconfig
 if [ $1 -eq 0 ]; then
   #This is uninstall
   rm /etc/profile.d/go-exports.sh
   rm -rf /opt/%{name}
   exit 0
 fi
 
 %clean
 rm -rf %{buildroot}/*
 
 %files
 %defattr(-,root,root)
 %exclude %{goroot}/src/*.rc
 %exclude %{goroot}/include/plan9
 /etc/profile.d/go-exports.sh
 %{goroot}/*
 %{gopath}/src
 %exclude %{goroot}/src/pkg/debug/dwarf/testdata
 %exclude %{goroot}/src/pkg/debug/elf/testdata
 %{_bindir}/*
 
 %changelog

 *   Mon Oct 29 2018 Alexey Makhalov <amakhalov@vmware.com> 1.10.4-2
 -   Use ExtraBuildRequires

 *   Mon Sep 24 2018 Tapas Kundu <tkundu@vmware.com> 1.10.4-1
 -   Initial build for 1.10.4