dev-python/numpy: Bump to 2.4.0_rc1

Signed-off-by: Michał Górny <mgorny@gentoo.org>

1 files changed, 306 insertions, 0 deletions

diff --git a/dev-python/numpy/numpy-2.4.0_rc1.ebuild b/dev-python/numpy/numpy-2.4.0_rc1.ebuild
new file mode 100644
index 000000000000..08ac3b7f2e36
--- /dev/null
+++ b/dev-python/numpy/numpy-2.4.0_rc1.ebuild
@@ -0,0 +1,306 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_EXT=1
+DISTUTILS_USE_PEP517=meson-python
+PYPI_VERIFY_REPO=https://github.com/numpy/numpy-release
+PYTHON_COMPAT=( python3_{11..14} pypy3_11 )
+PYTHON_REQ_USE="threads(+)"
+FORTRAN_NEEDED=lapack
+
+inherit distutils-r1 flag-o-matic fortran-2 pypi
+
+DESCRIPTION="Fast array and numerical python library"
+HOMEPAGE="
+	https://numpy.org/
+	https://github.com/numpy/numpy/
+	https://pypi.org/project/numpy/
+"
+
+LICENSE="BSD 0BSD MIT ZLIB CC0-1.0"
+SLOT="0/2"
+# +lapack because the internal fallbacks are pretty slow. Building without blas
+# is barely supported anyway, see bug #914358.
+IUSE="big-endian +cpudetection index64 +lapack"
+
+# upstream-flag[:gentoo-flag]
+ARM_FLAGS=( neon{,-fp16} vfpv4 asimd{,hp,dp,fhm} sve )
+PPC_FLAGS=( vsx vsx2 vsx3 vsx4 )
+X86_FLAGS=(
+	avx2 avx512{bw,dq,vl} avx512_{bf16,bitalg,fp16,vbmi2} sse4_2
+)
+IUSE+="
+	${ARM_FLAGS[*]/#/cpu_flags_arm_}
+	${PPC_FLAGS[*]/#/cpu_flags_ppc_}
+	${X86_FLAGS[*]/#/cpu_flags_x86_}
+"
+
+RDEPEND="
+	lapack? (
+		>=virtual/cblas-3.8[index64(-)?]
+		>=virtual/lapack-3.8[index64(-)?]
+	)
+"
+BDEPEND="
+	${RDEPEND}
+	>=dev-build/meson-1.5.2
+	>=dev-python/cython-3.0.6[${PYTHON_USEDEP}]
+	lapack? (
+		virtual/pkgconfig
+	)
+	test? (
+		$(python_gen_cond_dep '
+			>=dev-python/cffi-1.14.0[${PYTHON_USEDEP}]
+		' 'python*')
+		dev-python/charset-normalizer[${PYTHON_USEDEP}]
+		>=dev-python/pytz-2019.3[${PYTHON_USEDEP}]
+	)
+"
+
+QA_CONFIG_IMPL_DECL_SKIP=(
+	# https://bugs.gentoo.org/925367
+	vrndq_f32
+)
+
+EPYTEST_PLUGINS=( hypothesis pytest-timeout )
+EPYTEST_XDIST=1
+distutils_enable_tests pytest
+
+has_all_x86() {
+	local flag
+	for flag; do
+		if ! use "cpu_flags_x86_${flag}"; then
+			return 1
+		fi
+	done
+	return 0
+}
+
+python_configure_all() {
+	local cpu_baseline=()
+	local map flag
+	case ${ARCH} in
+		arm)
+			# every flag implies the previous one
+			for map in NEON:neon NEON_FP16:neon-fp16 NEON_VFPV4:vfpv4; do
+				if ! use "cpu_flags_arm_${map#*:}"; then
+					break
+				fi
+				cpu_baseline+=( "${map%:*}" )
+			done
+			;&
+		arm64)
+			# on 32-bit ARM, ASIMD implies all NEON* flags
+			# on 64-bit ARM, they are all linked together
+			if use arm64 ||
+				[[ ${cpu_baseline[@]} && ${cpu_baseline[-1]} == NEON_VFPV4 ]]
+			then
+				cpu_baseline+=( $(usev cpu_flags_arm_asimd ASIMD) )
+			fi
+
+			# these two imply ASIMD
+			if [[ ${cpu_baseline[@]} && ${cpu_baseline[-1]} == ASIMD ]]; then
+				for flag in dp hp; do
+					cpu_baseline+=(
+						$(usev "cpu_flags_arm_asimd${flag}" "ASIMD${flag^^}")
+					)
+				done
+			fi
+
+			# these two imply ASIMDHP
+			if [[ ${cpu_baseline[@]} && ${cpu_baseline[-1]} == ASIMDHP ]]; then
+				for flag in asimdfhm sve; do
+					cpu_baseline+=(
+						$(usev "cpu_flags_arm_${flag}" "${flag^^}")
+					)
+				done
+			fi
+			;;
+		ppc64)
+			# every flag implies the previous one
+			for flag in '' 2 3 4; do
+				if ! use "cpu_flags_ppc_vsx${flags}"; then
+					break
+				fi
+				cpu_baseline+=( "VSX${flag}" )
+			done
+			;;
+		amd64|x86)
+			# upstream combines multiple instructions into sets
+			local mapping=(
+				# for these, we just check the newest instruction set,
+				# since all earlier instruction sets imply it
+				"X86_V2=sse4_2"
+				"X86_V3=avx2"
+				# from here on, we check all features that were added
+				# in the lowest CPU supporting them all
+				# https://en.wikipedia.org/wiki/AVX-512
+				"X86_V4=avx512bw avx512dq avx512vl"
+				"AVX512_ICL=avx512_vbmi2 avx512_bitalg"
+				"AVX512_SPR=avx512_bf16 avx512_fp16"
+			)
+
+			local m
+			for m in "${mapping[@]}"; do
+				local feature=${m%=*}
+				local sets=${m#*=}
+
+				if has_all_x86 ${sets}; then
+					einfo "${feature} enabled: all of ${sets} enabled"
+					cpu_baseline+=( "${feature}" )
+				else
+					einfo "${feature} disabled: not all of ${sets} enabled"
+					break
+				fi
+			done
+			;;
+		*)
+			cpu_baseline=MIN
+			;;
+	esac
+
+	DISTUTILS_ARGS=(
+		-Dallow-noblas=$(usex !lapack true false)
+		-Duse-ilp64=$(usex index64 true false)
+		-Dblas=$(usev lapack $(usex index64 cblas64 cblas))
+		-Dlapack=$(usev lapack $(usex index64 lapack64 lapack))
+		-Dcpu-baseline="${cpu_baseline[*]}"
+		-Dcpu-baseline-detect=disabled
+		-Dcpu-dispatch="$(usev cpudetection MAX)"
+	)
+
+	# bug #922457
+	filter-lto
+	# https://github.com/numpy/numpy/issues/25004
+	append-flags -fno-strict-aliasing
+}
+
+python_test() {
+	# We run tests in parallel, so avoid having n^2 threads in lapack
+	# tests.
+	local -x BLIS_NUM_THREADS=1
+	local -x MKL_NUM_THREADS=1
+	local -x OMP_NUM_THREADS=1
+	local -x OPENBLAS_NUM_THREADS=1
+
+	# don't run tests that require more than 2 GiB of RAM (per process)
+	local -x NPY_AVAILABLE_MEM="2 GiB"
+
+	local EPYTEST_DESELECT=(
+		# Very disk-and-memory-hungry
+		numpy/lib/tests/test_io.py::TestSavezLoad::test_closing_fid
+		numpy/lib/tests/test_io.py::TestSavezLoad::test_closing_zipfile_after_load
+
+		# Precision problems
+		numpy/_core/tests/test_umath_accuracy.py::TestAccuracy::test_validate_transcendentals
+
+		numpy/typing/tests/test_typing.py
+
+		# Flaky, reruns don't help
+		numpy/f2py/tests/test_crackfortran.py
+		numpy/f2py/tests/test_data.py::TestData{,F77}::test_crackedlines
+		numpy/f2py/tests/test_f2py2e.py::test_gen_pyf
+		numpy/f2py/tests/test_f2py2e.py::test_gh22819_cli
+	)
+
+	if [[ $(uname -m) == armv8l ]]; then
+		# Degenerate case of arm32 chroot on arm64, bug #774108
+		EPYTEST_DESELECT+=(
+			numpy/_core/tests/test_cpu_features.py::Test_ARM_Features::test_features
+		)
+	fi
+
+	case ${ARCH} in
+		arm)
+			EPYTEST_DESELECT+=(
+				# TODO: warnings
+				numpy/_core/tests/test_umath.py::TestSpecialFloats::test_unary_spurious_fpexception
+
+				# TODO
+				numpy/_core/tests/test_function_base.py::TestLinspace::test_denormal_numbers
+				numpy/f2py/tests/test_kind.py::TestKind::test_real
+				numpy/f2py/tests/test_kind.py::TestKind::test_quad_precision
+
+				# require too much memory
+				'numpy/_core/tests/test_multiarray.py::TestDot::test_huge_vectordot[complex128]'
+				'numpy/_core/tests/test_multiarray.py::TestDot::test_huge_vectordot[float64]'
+			)
+			;;
+		hppa)
+			EPYTEST_DESELECT+=(
+				# https://bugs.gentoo.org/942689
+				"numpy/_core/tests/test_dtype.py::TestBuiltin::test_dtype[int]"
+				"numpy/_core/tests/test_dtype.py::TestBuiltin::test_dtype[float]"
+				"numpy/_core/tests/test_dtype.py::TestBuiltin::test_dtype_bytes_str_equivalence[datetime64]"
+				"numpy/_core/tests/test_dtype.py::TestBuiltin::test_dtype_bytes_str_equivalence[timedelta64]"
+				"numpy/_core/tests/test_dtype.py::TestBuiltin::test_dtype_bytes_str_equivalence[<f]"
+				"numpy/_core/tests/test_dtype.py::TestPickling::test_pickle_dtype[dt28]"
+				numpy/f2py/tests/test_kind.py::TestKind::test_real
+				numpy/f2py/tests/test_kind.py::TestKind::test_quad_precision
+				numpy/tests/test_ctypeslib.py::TestAsArray::test_reference_cycles
+				numpy/tests/test_ctypeslib.py::TestAsArray::test_segmentation_fault
+				numpy/tests/test_ctypeslib.py::TestAsCtypesType::test_scalar
+				numpy/tests/test_ctypeslib.py::TestAsCtypesType::test_subarray
+				numpy/tests/test_ctypeslib.py::TestAsCtypesType::test_structure
+				numpy/tests/test_ctypeslib.py::TestAsCtypesType::test_structure_aligned
+				numpy/tests/test_ctypeslib.py::TestAsCtypesType::test_union
+				numpy/tests/test_ctypeslib.py::TestAsCtypesType::test_padded_union
+			)
+			;;
+		ppc|x86)
+			EPYTEST_DESELECT+=(
+				# require too much memory
+				'numpy/_core/tests/test_multiarray.py::TestDot::test_huge_vectordot[complex128]'
+				'numpy/_core/tests/test_multiarray.py::TestDot::test_huge_vectordot[float64]'
+			)
+			;;
+	esac
+
+	if [[ ${CHOST} == powerpc64le-* ]]; then
+		EPYTEST_DESELECT+=(
+			# long double thingy
+			numpy/_core/tests/test_scalarprint.py::TestRealScalars::test_ppc64_ibm_double_double128
+		)
+	fi
+
+	if use big-endian; then
+		EPYTEST_DESELECT+=(
+			# ppc64 and sparc
+			numpy/linalg/tests/test_linalg.py::TestDet::test_generalized_sq_cases
+			numpy/linalg/tests/test_linalg.py::TestDet::test_sq_cases
+			"numpy/f2py/tests/test_return_character.py::TestFReturnCharacter::test_all_f77[s1]"
+			"numpy/f2py/tests/test_return_character.py::TestFReturnCharacter::test_all_f77[t1]"
+			"numpy/f2py/tests/test_return_character.py::TestFReturnCharacter::test_all_f90[s1]"
+			"numpy/f2py/tests/test_return_character.py::TestFReturnCharacter::test_all_f90[t1]"
+		)
+	fi
+
+	if ! has_version -b "~${CATEGORY}/${P}[${PYTHON_USEDEP}]" ; then
+		# depends on importing numpy.random from system namespace
+		EPYTEST_DESELECT+=(
+			'numpy/random/tests/test_extending.py::test_cython'
+		)
+	fi
+
+	if has_version ">=dev-python/setuptools-74[${PYTHON_USEDEP}]"; then
+		# msvccompiler removal
+		EPYTEST_DESELECT+=(
+			numpy/tests/test_public_api.py::test_all_modules_are_expected_2
+			numpy/tests/test_public_api.py::test_api_importable
+		)
+		EPYTEST_IGNORE+=(
+			numpy/distutils/tests/test_mingw32ccompiler.py
+			numpy/distutils/tests/test_system_info.py
+		)
+	fi
+
+	cd "${BUILD_DIR}/install$(python_get_sitedir)" || die
+	epytest
+}
+
+python_install_all() {
+	local DOCS=( LICENSE.txt README.md THANKS.txt )
+	distutils-r1_python_install_all
+}