From a4b91527d25322eecb5ad8c5a127a8f611c53ea8 Mon Sep 17 00:00:00 2001
From: Feda Curic <feda.curic@gmail.com>
Date: Mon, 25 Nov 2024 12:29:48 +0100
Subject: [PATCH] Fix HDF5 installation on macOS runners

---
 .github/workflows/testing.yml | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 69238db02..9fca6583b 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -30,7 +30,13 @@ jobs:
 
       - name: Install HDF5 source files
         if: runner.os == 'macOS'
-        run: brew install hdf5
+        # macOS needs special handling for pkg-config/pkgconf conflict
+        # HDF5 depends on pkgconf but homebrew comes with pkg-config pre-installed
+        # We need to unlink pkg-config and force link pkgconf to avoid CI failures
+        run: |
+          brew unlink pkg-config@0.29.2 || true
+          brew install hdf5
+          brew link --overwrite pkgconf
 
       - uses: actions/setup-python@v5
         with: