pkgname=go #to enable go-pie gcc should be compiled with --enable-default-pie
pkgver=1.11.1
pkgrel=2
arch=(x86_64)
url='http://golang.org/'
license=(BSD)
makedepends=(git go)
source=(https://storage.googleapis.com/golang/go$pkgver.src.tar.gz
        default-buildmode-pie.patch)
sha256sums=('558f8c169ae215e25b81421596e8de7572bd3ba824b79add22fba6e284db1117'
            '9d2f0d201d4e002d74f548cc82bd131139bab5dd62191004c71dd430fdc1666d')

export GOOS=linux
export GOARCH=amd64
export GOROOT_FINAL=/usr/lib/go
export GOROOT_BOOTSTRAP=/usr/lib/go

prepare() {
  cd $pkgbase
  patch -p1 -i "$srcdir"/default-buildmode-pie.patch
}

build() {
  export GOPATH="$srcdir/"
  export GOROOT="$srcdir/$pkgname"
  export GOBIN="$GOROOT/bin"

  cd "$srcdir/$pkgname/src"
  ./make.bash --no-clean

  PATH="$GOBIN:$PATH" go install -buildmode=shared std
  PATH="$GOBIN:$PATH" go install -race std
}

check() {
  # Run test suite only for unpatched Go as it expects non-PIE ldBuildmode
  export GOROOT="$srcdir/$pkgbase"
  export GOBIN="$GOROOT/bin"
  export PATH="$srcdir/$pkgbase/bin:$PATH"
  export GO_TEST_TIMEOUT_SCALE=2

  cd $pkgbase/src
  ./run.bash --no-rebuild -v -v -v -k 
}

_package() {
  options=(!strip staticlibs)
  cd "$srcdir/$1"

  install -d "$pkgdir/usr/bin" "$pkgdir/usr/lib/go" "$pkgdir/usr/share/doc/go"
  cp -a bin pkg src lib misc "$pkgdir/usr/lib/go"
  cp -r doc/* "$pkgdir/usr/share/doc/go"

  ln -sf /usr/lib/go/bin/go "$pkgdir/usr/bin/go"
  ln -sf /usr/lib/go/bin/gofmt "$pkgdir/usr/bin/gofmt"
  ln -sf /usr/share/doc/go "$pkgdir/usr/lib/go/doc"

  install -Dm644 LICENSE "$pkgdir/usr/share/licenses/go/LICENSE"
  install -Dm644 VERSION "$pkgdir/usr/lib/go/VERSION"

  rm -rf "$pkgdir/usr/lib/go/pkg/bootstrap"
  rm -rf "$pkgdir/usr/lib/go/pkg/tool/*/api"
}

package_go() {
  pkgdesc='Core compiler tools for the Go programming language (with PIE enabled by default)'
  provides=(go-pie)
  conflicts=(go-pie)

  _package $pkgname
}

#package_go-pie() {
#  pkgdesc='Core compiler tools for the Go programming language (with PIE enabled by default)'
#  provides=(go)
#  conflicts=(go)
#
#  _package $pkgname
#}