Switch to scikit-build-core

build.sh

@@ -386,6 +386,8 @@ SKBUILD_EXTRA_CMAKE_ARGS="${EXTRA_CMAKE_ARGS}"
 if [[ "${EXTRA_CMAKE_ARGS}" != *"DFIND_RAFT_CPP"* ]]; then
     SKBUILD_EXTRA_CMAKE_ARGS="${SKBUILD_EXTRA_CMAKE_ARGS} -DFIND_RAFT_CPP=ON"
 fi
+# Replace spaces with semicolons in SKBUILD_EXTRA_CMAKE_ARGS
+SKBUILD_EXTRA_CMAKE_ARGS=$(echo ${SKBUILD_EXTRA_CMAKE_ARGS} | sed 's/ /;/g')
 
 # If clean given, run it prior to any other steps
 if (( ${CLEAN} == 1 )); then
@@ -493,15 +495,13 @@ fi
 
 # Build and (optionally) install the pylibraft Python package
 if (( ${NUMARGS} == 0 )) || hasArg pylibraft; then
-    SKBUILD_CONFIGURE_OPTIONS="${SKBUILD_EXTRA_CMAKE_ARGS}" \
-        SKBUILD_BUILD_OPTIONS="-j${PARALLEL_LEVEL}" \
+    SKBUILD_CMAKE_ARGS="${SKBUILD_EXTRA_CMAKE_ARGS}" \
         python -m pip install --no-build-isolation --no-deps ${REPODIR}/python/pylibraft
 fi
 
 # Build and (optionally) install the raft-dask Python package
 if (( ${NUMARGS} == 0 )) || hasArg raft-dask; then
-    SKBUILD_CONFIGURE_OPTIONS="${SKBUILD_EXTRA_CMAKE_ARGS}" \
-        SKBUILD_BUILD_OPTIONS="-j${PARALLEL_LEVEL}" \
+    SKBUILD_CMAKE_ARGS="${SKBUILD_EXTRA_CMAKE_ARGS}" \
         python -m pip install --no-build-isolation --no-deps ${REPODIR}/python/raft-dask
 fi
 

ci/build_wheel_pylibraft.sh

@@ -4,6 +4,6 @@
 set -euo pipefail
 
 # Set up skbuild options. Enable sccache in skbuild config options
-export SKBUILD_CONFIGURE_OPTIONS="-DDETECT_CONDA_ENV=OFF -DFIND_RAFT_CPP=OFF"
+export SKBUILD_CMAKE_ARGS="-DDETECT_CONDA_ENV=OFF;-DFIND_RAFT_CPP=OFF"
 
 ci/build_wheel.sh pylibraft python/pylibraft

ci/build_wheel_raft_dask.sh

@@ -4,6 +4,6 @@
 set -euo pipefail
 
 # Set up skbuild options. Enable sccache in skbuild config options
-export SKBUILD_CONFIGURE_OPTIONS="-DDETECT_CONDA_ENV=OFF -DFIND_RAFT_CPP=OFF"
+export SKBUILD_CMAKE_ARGS="-DDETECT_CONDA_ENV=OFF;-DFIND_RAFT_CPP=OFF"
 
 ci/build_wheel.sh raft-dask python/raft-dask

conda/environments/all_cuda-118_arch-aarch64.yaml

@@ -49,7 +49,7 @@ dependencies:
 - rapids-dask-dependency==24.2.*
 - recommonmark
 - rmm==24.2.*
-- scikit-build>=0.13.1
+- scikit-build-core>=0.7.0
 - scikit-learn
 - scipy
 - sphinx-copybutton

conda/environments/all_cuda-118_arch-x86_64.yaml

@@ -49,7 +49,7 @@ dependencies:
 - rapids-dask-dependency==24.2.*
 - recommonmark
 - rmm==24.2.*
-- scikit-build>=0.13.1
+- scikit-build-core>=0.7.0
 - scikit-learn
 - scipy
 - sphinx-copybutton

conda/environments/all_cuda-120_arch-aarch64.yaml

@@ -45,7 +45,7 @@ dependencies:
 - rapids-dask-dependency==24.2.*
 - recommonmark
 - rmm==24.2.*
-- scikit-build>=0.13.1
+- scikit-build-core>=0.7.0
 - scikit-learn
 - scipy
 - sphinx-copybutton

conda/environments/all_cuda-120_arch-x86_64.yaml

@@ -45,7 +45,7 @@ dependencies:
 - rapids-dask-dependency==24.2.*
 - recommonmark
 - rmm==24.2.*
-- scikit-build>=0.13.1
+- scikit-build-core>=0.7.0
 - scikit-learn
 - scipy
 - sphinx-copybutton

conda/environments/bench_ann_cuda-118_arch-aarch64.yaml

@@ -39,6 +39,6 @@ dependencies:
 - pandas
 - pyyaml
 - rmm==24.2.*
-- scikit-build>=0.13.1
+- scikit-build-core>=0.7.0
 - sysroot_linux-aarch64==2.17
 name: bench_ann_cuda-118_arch-aarch64

conda/environments/bench_ann_cuda-118_arch-x86_64.yaml

@@ -39,6 +39,6 @@ dependencies:
 - pandas
 - pyyaml
 - rmm==24.2.*
-- scikit-build>=0.13.1
+- scikit-build-core>=0.7.0
 - sysroot_linux-64==2.17
 name: bench_ann_cuda-118_arch-x86_64

conda/environments/bench_ann_cuda-120_arch-aarch64.yaml

@@ -35,6 +35,6 @@ dependencies:
 - pandas
 - pyyaml
 - rmm==24.2.*
-- scikit-build>=0.13.1
+- scikit-build-core>=0.7.0
 - sysroot_linux-aarch64==2.17
 name: bench_ann_cuda-120_arch-aarch64

conda/environments/bench_ann_cuda-120_arch-x86_64.yaml

@@ -35,6 +35,6 @@ dependencies:
 - pandas
 - pyyaml
 - rmm==24.2.*
-- scikit-build>=0.13.1
+- scikit-build-core>=0.7.0
 - sysroot_linux-64==2.17
 name: bench_ann_cuda-120_arch-x86_64

conda/recipes/pylibraft/meta.yaml

@@ -50,7 +50,7 @@ requirements:
     - libraft-headers {{ version }}
     - python x.x
     - rmm ={{ minor_version }}
-    - scikit-build >=0.13.1
+    - scikit-build-core >=0.7.0
     - setuptools
   run:
     - {{ pin_compatible('cuda-version', max_pin='x', min_pin='x') }}

conda/recipes/raft-dask/meta.yaml

@@ -50,7 +50,7 @@ requirements:
     - pylibraft {{ version }}
     - python x.x
     - rmm ={{ minor_version }}
-    - scikit-build >=0.13.1
+    - scikit-build-core >=0.7.0
     - setuptools
     - ucx {{ ucx_version }}
     - ucx-proc=*=gpu

dependencies.yaml

@@ -64,7 +64,6 @@ files:
     includes:
       - build
       - build_pylibraft
-      - build_wheels
   py_run_pylibraft:
     output: pyproject
     pyproject_dir: python/pylibraft
@@ -89,7 +88,6 @@ files:
       table: build-system
     includes:
       - build
-      - build_wheels
   py_run_raft_dask:
     output: pyproject
     pyproject_dir: python/raft-dask
@@ -133,12 +131,15 @@ dependencies:
           - &cmake_ver cmake>=3.26.4
           - cython>=3.0.0
           - ninja
-          - scikit-build>=0.13.1
       - output_types: [conda]
         packages:
           - c-compiler
           - cxx-compiler
           - nccl>=2.9.9
+          - scikit-build-core>=0.7.0
+      - output_types: [requirements, pyproject]
+        packages:
+          - scikit-build-core[pyproject]>=0.7.0
     specific:
       - output_types: conda
         matrices:

python/pylibraft/CMakeLists.txt

@@ -26,11 +26,7 @@ rapids_cuda_init_architectures(pylibraft)
 project(
   pylibraft
   VERSION ${pylibraft_version}
-  LANGUAGES # TODO: Building Python extension modules via the python_extension_module requires the C
-            # language to be enabled here. The test project that is built in scikit-build to verify
-            # various linking options for the python library is hardcoded to build with C, so until
-            # that is fixed we need to keep C.
-            C CXX CUDA
+  LANGUAGES CXX CUDA
 )
 
 option(FIND_RAFT_CPP "Search for existing RAFT C++ installations before defaulting to local files"
@@ -51,7 +47,7 @@ else()
   set(raft_FOUND OFF)
 endif()
 
-include(rapids-cython)
+include(rapids-cython-core)
 
 if(NOT raft_FOUND)
   set(BUILD_TESTS OFF)

python/pylibraft/README.md

@@ -0,0 +1 @@
+../../README.md

python/pylibraft/pyproject.toml

@@ -20,11 +20,9 @@ requires = [
     "cython>=3.0.0",
     "ninja",
     "rmm==24.2.*",
-    "scikit-build>=0.13.1",
-    "setuptools",
-    "wheel",
+    "scikit-build-core[pyproject]>=0.7.0",
 ] # This list was generated by `rapids-dependency-file-generator`. To make changes, edit ../../dependencies.yaml and run `rapids-dependency-file-generator`.
-build-backend = "setuptools.build_meta"
+build-backend = "scikit_build_core.build"
 
 [project]
 name = "pylibraft"
@@ -61,12 +59,6 @@ test = [
 Homepage = "https://github.com/rapidsai/raft"
 Documentation = "https://docs.rapids.ai/api/raft/stable/"
 
-[tool.setuptools]
-license-files = ["LICENSE"]
-
-[tool.setuptools.dynamic]
-version = {file = "pylibraft/VERSION"}
-
 [tool.isort]
 line_length = 79
 multi_line_output = 3
@@ -109,3 +101,16 @@ skip = [
     "dist",
     "__init__.py",
 ]
+
+[tool.scikit-build]
+build-dir = "build/{wheel_tag}"
+cmake.build-type = "Release"
+cmake.minimum-version = "3.26.4"
+ninja.make-fallback = true
+sdist.reproducible = true
+wheel.packages = ["pylibraft"]
+
+[tool.scikit-build.metadata.version]
+provider = "scikit_build_core.metadata.regex"
+input = "pylibraft/VERSION"
+regex = "(?P<value>.*)"

python/raft-dask/CMakeLists.txt

@@ -23,11 +23,7 @@ rapids_cuda_init_architectures(raft-dask-python)
 project(
   raft-dask-python
   VERSION ${raft_dask_version}
-  LANGUAGES # TODO: Building Python extension modules via the python_extension_module requires the C
-            # language to be enabled here. The test project that is built in scikit-build to verify
-            # various linking options for the python library is hardcoded to build with C, so until
-            # that is fixed we need to keep C.
-            C CXX CUDA
+  LANGUAGES CXX CUDA
 )
 
 option(FIND_RAFT_CPP "Search for existing RAFT C++ installations before defaulting to local files"
@@ -59,7 +55,7 @@ if(NOT raft_FOUND)
   find_package(NCCL REQUIRED)
 endif()
 
-include(rapids-cython)
+include(rapids-cython-core)
 rapids_cython_init()
 
 add_subdirectory(raft_dask/common)

python/raft-dask/README.md

@@ -0,0 +1 @@
+../../README.md

python/raft-dask/pyproject.toml

@@ -14,13 +14,12 @@
 
 [build-system]
 
+build-backend = "scikit_build_core.build"
 requires = [
     "cmake>=3.26.4",
     "cython>=3.0.0",
     "ninja",
-    "scikit-build>=0.13.1",
-    "setuptools",
-    "wheel",
+    "scikit-build-core[pyproject]>=0.7.0",
 ] # This list was generated by `rapids-dependency-file-generator`. To make changes, edit ../../dependencies.yaml and run `rapids-dependency-file-generator`.
 
 [project]
@@ -59,12 +58,6 @@ test = [
 Homepage = "https://github.com/rapidsai/raft"
 Documentation = "https://docs.rapids.ai/api/raft/stable/"
 
-[tool.setuptools]
-license-files = ["LICENSE"]
-
-[tool.setuptools.dynamic]
-version = {file = "raft_dask/VERSION"}
-
 [tool.isort]
 line_length = 79
 multi_line_output = 3
@@ -108,3 +101,16 @@ skip = [
     "dist",
     "__init__.py",
 ]
+
+[tool.scikit-build]
+build-dir = "build/{wheel_tag}"
+cmake.build-type = "Release"
+cmake.minimum-version = "3.26.4"
+ninja.make-fallback = true
+sdist.reproducible = true
+wheel.packages = ["raft_dask"]
+
+[tool.scikit-build.metadata.version]
+provider = "scikit_build_core.metadata.regex"
+input = "raft_dask/VERSION"
+regex = "(?P<value>.*)"