# Copyright 1999-2025 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

ROCM_VERSION=${PV}

inherit cmake edo flag-o-matic rocm

DESCRIPTION="Implementation of a subset of LAPACK functionality on the ROCm platform"
HOMEPAGE="https://github.com/ROCm/rocSOLVER"
SRC_URI="https://github.com/ROCm/rocSOLVER/archive/rocm-${PV}.tar.gz -> rocSOLVER-${PV}.tar.gz"
S=${WORKDIR}/${PN}-rocm-${PV}

LICENSE="BSD"
SLOT="0/$(ver_cut 1-2)"
KEYWORDS="~amd64"

IUSE="test benchmark"
REQUIRED_USE="${ROCM_REQUIRED_USE}"

RDEPEND="dev-util/hip
	sci-libs/rocBLAS:${SLOT}[${ROCM_USEDEP}]
	sci-libs/rocSPARSE:${SLOT}[${ROCM_USEDEP}]
	dev-libs/libfmt
	benchmark? ( virtual/blas )"
DEPEND="${RDEPEND}"
BDEPEND="test? ( dev-cpp/gtest
	>=dev-build/cmake-3.22
	virtual/blas )"

RESTRICT="!test? ( test )"

src_configure() {
	rocm_use_hipcc

	# too many warnings
	append-cxxflags -Wno-explicit-specialization-storage-class

	local mycmakeargs=(
		-DCMAKE_SKIP_RPATH=ON
		-DAMDGPU_TARGETS="$(get_amdgpu_flags)"
		-Wno-dev
		-DBUILD_FILE_REORG_BACKWARD_COMPATIBILITY=OFF
		-DROCM_SYMLINK_LIBS=OFF
		-DBUILD_CLIENTS_SAMPLES=NO
		-DBUILD_CLIENTS_TESTS=$(usex test ON OFF)
		-DBUILD_CLIENTS_BENCHMARKS=$(usex benchmark ON OFF)
	)

	cmake_src_configure
}

src_test() {
	check_amdgpu
	cd "${BUILD_DIR}"/clients/staging || die
	# No filters: 64m28s on gfx1100
	# 'checkin*-*known_bug*': 1m35s
	HIP_VISIBLE_DEVICES=0 LD_LIBRARY_PATH="${BUILD_DIR}/library/src" \
		edob ./rocsolver-test --gtest_filter='checkin*-*known_bug*:*GVD*batched*'
}

src_install() {
	cmake_src_install

	if use benchmark; then
		cd "${BUILD_DIR}" || die
		dobin clients/staging/rocsolver-bench
	fi
}