Migrate build system to Meson

Author: tobiasdiez

MANIFEST.in

@@ -17,8 +17,21 @@ It provides a single extension class `MemoryAllocator` with `cdef` methods
 Memory is freed when the instance of `MemoryAllocator` is deallocated.
 On failure to allocate the memory, a proper error is raised.
 
+## Building from source
+
+This project uses [meson-python](https://mesonbuild.com/meson-python/) for
+its build backend. A typical editable install looks like:
+
+```shell
+  python -m pip install -e .
+```
+
 # Changelog
 
+## 0.1.5
+- Migrate build system to Meson.
+
+
 ## 0.1.4
 
 - Modernize Python metadata, require Python >= 3.8.

README.md

@@ -0,0 +1,34 @@
+project(
+    'memory_allocator',
+    'c', 'cython',
+    meson_version: '>=1.2.0',
+)
+# Python
+py_module = import('python')
+py = py_module.find_installation(pure: false)
+py_dep = py.dependency()
+
+py.install_sources(
+    'memory_allocator/__init__.py',
+    'memory_allocator/__init__.pxd',
+    'memory_allocator/memory_allocator.pxd',
+    'memory_allocator/memory.pxd',
+    'memory_allocator/signals.pxd',
+    subdir: 'memory_allocator',
+)
+
+extensions = {
+    'memory_allocator': files('memory_allocator/memory_allocator.pyx'),
+    'test': files('memory_allocator/test.pyx'),
+}
+
+src = include_directories('memory_allocator')
+foreach name, pyx : extensions
+    py.extension_module(name,
+        pyx,
+        include_directories: [src],
+        dependencies: [py_dep],
+        install: true,
+        subdir: 'memory_allocator'
+    )
+endforeach

meson.build

@@ -1,20 +1,13 @@
 [build-system]
-requires = [
-    "setuptools>=61.2",
-    "Cython",
-    "Cython>=0.29.30; python_version > '3.10'"
-]
-build-backend = "setuptools.build_meta"
+requires = ["meson-python>=0.15.0", "Cython>=3.0"]
+build-backend = "mesonpy"
 
 [project]
 name = "memory_allocator"
 version = "0.1.4"
 description = "An extension class to allocate memory easily with cython"
 authors = [
-    {name = "Jeroen Demeyer, Nathann Cohen, Jonathan Kliem", email = "[email protected]"},
-]
-dependencies = [
-    "Cython",
+    { name = "Jeroen Demeyer, Nathann Cohen, Jonathan Kliem", email = "[email protected]" },
 ]
 requires-python = ">=3.11"
 readme = "README.md"