From 80f206795a32d124e0d9f1cde44a0f746055e419 Mon Sep 17 00:00:00 2001
From: Nicolas Mattia <nicolas.mattia@dfinity.org>
Date: Mon, 20 Jan 2025 17:58:43 +0100
Subject: [PATCH] fix(IDX): use llvm-clang on Intel macOS

This ensures that the x86-darwin builders use a working c compiler
(llvm-clang) instead of Apple's, which causes build failures.
---
 .github/workflows-source/ci-main.yml | 2 ++
 .github/workflows/ci-main.yml        | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/.github/workflows-source/ci-main.yml b/.github/workflows-source/ci-main.yml
index ae371889aee..3975d294313 100644
--- a/.github/workflows-source/ci-main.yml
+++ b/.github/workflows-source/ci-main.yml
@@ -190,6 +190,8 @@ jobs:
         run: |
           echo "/usr/local/bin" >> $GITHUB_PATH
           echo "$HOME/.cargo/bin:" >> $GITHUB_PATH
+          # use llvm-clang instead of apple's
+          echo "CC=/usr/local/opt/llvm/bin/clang" >> "$GITHUB_ENV"
       - <<: *docker-login
       - name: Run Bazel Test Darwin x86-64
         id: bazel-test-darwin-x86-64
diff --git a/.github/workflows/ci-main.yml b/.github/workflows/ci-main.yml
index e69dad8e241..d4b399bbe48 100644
--- a/.github/workflows/ci-main.yml
+++ b/.github/workflows/ci-main.yml
@@ -183,6 +183,8 @@ jobs:
         run: |
           echo "/usr/local/bin" >> $GITHUB_PATH
           echo "$HOME/.cargo/bin:" >> $GITHUB_PATH
+          # use llvm-clang instead of apple's
+          echo "CC=/usr/local/opt/llvm/bin/clang" >> "$GITHUB_ENV"
       - name: Login to Dockerhub
         shell: bash
         run: ./ci/scripts/docker-login.sh