Add pyproject.toml so pip metadata finds scikit-build; keep scikit-build in Conda recipe

Author: vr1087

conda-recipe/meta.yaml

@@ -34,7 +34,6 @@ build:
     cmake --build . --parallel ${CPU_COUNT:-1}
     cmake --install . --prefix $PREFIX
     cd ..
-    # This bypasses PEP 517 and uses setuptools directly
     python setup.py install --single-version-externally-managed --record=record.txt
 
 about:

pyproject.toml

@@ -1,5 +1,9 @@
 [build-system]
-requires = ["scikit-build", "cmake", "setuptools"]
+requires = [
+    "setuptools>=42",
+    "scikit-build>=0.13",
+    "cmake>=3.18"
+]
 build-backend = "setuptools.build_meta"
 
 [project]