Maybe g++-13 is the correct way?

mwiesenberger · mwiesenberger · commit c1bc30ff13ca · 2025-06-26T14:23:50.000+02:00
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
@@ -21,7 +21,8 @@ jobs:
       shell: bash
       run: |
         if [[ ${{ matrix.os }} = "macos-latest" ]]; then
-          export CXX=g++
+          export CXX=g++-13
+          g++-13 --version
         fi
         python -m pip install --upgrade pip
         python -m pip install .[test]
diff --git a/pyproject.toml b/pyproject.toml
@@ -47,7 +47,8 @@ skip = "*-musllinux*" # Skip musllinux (conflicts with libcudacxx)
 
 [tool.bibuildwheel.macos]
 before-build= [
-    "export CXX=g++"
+    "export CXX=g++-13",
+    "g++-13 --version"
 ]
 
 [tool.cibuildwheel.pyodide]

Original file line number	Diff line number	Diff line change
`@@ -47,7 +47,8 @@ skip = "-musllinux" # Skip musllinux (conflicts with libcudacxx)`
`47`	`47`
`48`	`48`	`[tool.bibuildwheel.macos]`
`49`	`49`	`before-build= [`
`50`		`- "export CXX=g++"`
	`50`	`+ "export CXX=g++-13",`
	`51`	`+ "g++-13 --version"`
`51`	`52`	`]`
`52`	`53`
`53`	`54`	`[tool.cibuildwheel.pyodide]`