update OS versions and minor fixes

Author: N-Coder

.github/workflows/wheels.yml

@@ -9,7 +9,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ ubuntu-latest, macos-latest, macos-13, windows-latest ]
+        os: [ ubuntu-latest, macos-14, macos-15-intel, windows-latest ]
     env:
       MACOSX_DEPLOYMENT_TARGET: "10.14" # https://cibuildwheel.pypa.io/en/stable/cpp_standards/#macos-and-deployment-target-versions
 
@@ -84,7 +84,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ ubuntu-latest, macos-latest, macos-13, windows-latest ]
+        os: [ ubuntu-latest, macos-14, macos-15-intel, windows-latest ]
 
     steps:
       - uses: actions/checkout@v4
@@ -104,7 +104,7 @@ jobs:
       - name: Configure MacOS
         if: runner.os == 'macOS'
         run: |
-          brew install zstd
+          # brew install zstd # already installed
           echo "LD_LIBRARY_PATH=/opt/homebrew/lib:$LD_LIBRARY_PATH" >> $GITHUB_ENV
           echo "DYLD_LIBRARY_PATH=/opt/homebrew/lib:$DYLD_LIBRARY_PATH" >> $GITHUB_ENV
 

README.md

@@ -1,6 +1,7 @@
 # ogdf-wheel - an OGDF release build packaged as ready-to-use python wheel.
 
-This project uses [cibuildwheel](cibuildwheel.readthedocs.io) to build the [OGDF](github.com/ogdf/ogdf) library into a ready-to-use python package (called wheel) installable via `pip install ogdf-wheel`. Its mainly intended to be used with [`ogdf-python`](github.com/ogdf/ogdf-python) when you don't want to build the OGDF yourself or use a C++ package manager.
+This project uses [cibuildwheel](cibuildwheel.readthedocs.io) to build the [OGDF](github.com/ogdf/ogdf) library into a ready-to-use python package (called wheel) installable via `pip install ogdf-wheel`.
+It is mainly intended to be used with [`ogdf-python`](github.com/ogdf/ogdf-python) when you don't want to build the OGDF yourself or use a C++ package manager.
 
 ## Publishing new Releases
 
@@ -13,7 +14,7 @@ The CI does neither automatically build new OGDF versions nor directly publishes
 - Download the resulting `.whl` files.
 - Use [`twine`](https://twine.readthedocs.io/en/stable/index.html) to upload the files to PyPi.
 
-## Building the sdist locally
+## Building a clean sdist locally
 
 ```bash
 cd /tmp

pyproject.toml

@@ -18,7 +18,7 @@ readme = "README.md"
 [tool.cibuildwheel]
 build = ["cp310-*"]
 # Skip 32-bit builds, musl build, and pypy builds
-skip = ["*-win32", "*-manylinux_i686", "*-musllinux_*", "*pypy*"]
+skip = ["*-win32", "*-manylinux_i686", "*-musllinux_*"]
 environment-pass = ["GITHUB_ACTIONS"]
 manylinux-x86_64-image = "manylinux_2_28" # manylinux2014 uses a too old gcc (wlav/cppyy#70)
 build-frontend = "build"