Enable stable ABI

Author: dcamron

pyproject.toml

@@ -180,3 +180,12 @@ convention = "numpy"
 [tool.scikit-build]
 metadata.version.provider = "scikit_build_core.metadata.setuptools_scm"
 cmake.source-dir = "src"
+wheel.py-api = "cp312"
+
+[tool.cibuildwheel]
+build = "cp311-* cp312-*"
+archs = "auto"
+build-frontend = "build[uv]"
+
+[tool.cibuildwheel.macos]
+environment = { MACOSX_DEPLOYMENT_TARGET="10.13" }

src/CMakeLists.txt

@@ -1,16 +1,10 @@
-cmake_minimum_required(VERSION 3.15...3.26)
+cmake_minimum_required(VERSION 3.26)
 project(
   "${SKBUILD_PROJECT_NAME}"
   LANGUAGES CXX
   VERSION "${SKBUILD_PROJECT_VERSION}")
 
-if (CMAKE_VERSION VERSION_LESS 3.18)
-  set(DEV_MODULE Development)
-else()
-  set(DEV_MODULE Development.Module)
-endif()
-
-find_package(Python 3.11 COMPONENTS Interpreter ${DEV_MODULE} REQUIRED)
+find_package(Python 3.11 COMPONENTS Interpreter Development.Module ${SKBUILD_SABI_COMPONENT} REQUIRED)
 
 # Default to "Release" build type unless specified,
 # recommended by nanobind docs
@@ -25,7 +19,7 @@ execute_process(
   OUTPUT_STRIP_TRAILING_WHITESPACE OUTPUT_VARIABLE nanobind_ROOT)
 find_package(nanobind CONFIG REQUIRED)
 
-nanobind_add_module(_calc_mod calcmod.cpp)
+nanobind_add_module(_calc_mod STABLE_ABI calcmod.cpp)
 
 target_compile_definitions(_calc_mod
                            PRIVATE VERSION_INFO=${PROJECT_VERSION})