# Maintainer: Stephen Zhang <zsrkmyn at gmail dot com>
# Maintainer: Maël Kerbiriou <m431.kerbiriou@gmail.com>

_pkgname=autofdo
pkgname=$_pkgname-git
pkgver=v0.1.r88.492384d
pkgrel=1
pkgdesc="a tool to convert perf.data profile to AutoFDO profile that can be used by GCC and LLVM"
arch=('x86_64')
url="https://github.com/google/autofdo"
license=('Apache')
depends=('google-glog' 'protobuf') # common dependencies
depends+=('libelf' 'openssl')      # required by GCC variant
makedepends=('cmake' 'ninja' 'git' 'llvm' 'clang')
optdepends=('llvm: for LLVM support')
provides=("${_pkgname}")
conflicts=("${_pkgname}")
source=("$_pkgname::git+$url"
        "abseil-cpp::git+https://github.com/abseil/abseil-cpp"
        "perf_data_converter::git+https://github.com/google/perf_data_converter"
        "glog::git+https://github.com/google/glog"
        "googletest::git+https://github.com/google/googletest"
)
md5sums=('SKIP'
         'SKIP'
         'SKIP'
         'SKIP'
         'SKIP')

prepare() {
  git -C "$srcdir/autofdo" config submodule.third_party/abseil.url "$srcdir/abseil-cpp"
  git -C "$srcdir/autofdo" config submodule.third_party/perf_data_converter.url "$srcdir/perf_data_converter"
  git -C "$srcdir/autofdo" config submodule.third_party/glog.url "$srcdir/glog"
  git -C "$srcdir/autofdo" config submodule.third_party/googletest.url "$srcdir/googletest"
  git -C "$srcdir/autofdo" submodule update --init --progress --recursive
}

pkgver() {
	cd "$srcdir/${_pkgname}"
	printf "%s" "$(git describe --long | sed 's/\([^-]*-\)g/r\1/;s/-/./g')"
}

build() {
# Note: "-DCMAKE_INSTALL_PREFIX=." must be used, because there is a bug in the basil cmakelist. (check: README.rst)
# Build LLVM variant
	cmake -G Ninja -S "$srcdir/${_pkgname}" -B build_with_llvm \
		-DCMAKE_INSTALL_PREFIX=. \
		-DLLVM_PATH=/usr \
		-DCMAKE_C_COMPILER=clang \
		-DCMAKE_CXX_COMPILER=clang++
	ninja -C build_with_llvm
# Build GCC variant
	cmake -G Ninja -S "$srcdir/${_pkgname}" -B build_without_llvm \
		-DCMAKE_INSTALL_PREFIX=.
	ninja -C build_without_llvm
}

package() {
	install -Dm755 -t "$pkgdir"/usr/bin build_with_llvm/{create_llvm_prof,profile_diff,profile_merger,sample_merger}
	install -Dm755 -t "$pkgdir"/usr/bin build_without_llvm/{create_gcov,dump_gcov}
}