More CI hacking

.github/workflows/build-linux.yml

@@ -55,8 +55,8 @@ jobs:
 
       - name: Install Dependencies
         run: |
-          # LLVM (clang) 9 is not in Bionic's repositories so we add the official LLVM repository.
-          if [ "${{ matrix.compiler }}" = "clang" ] && [ "${{ matrix.version }}" = "9" ]; then
+          # LLVM (clang) 9/14 is not in Bionic's repositories so we add the official LLVM repository.
+          if [ "${{ matrix.compiler }}" = "clang" ]; then
             # (ipv4|ha).pool.sks-keyservers.net is the SKS GPG global keyserver pool
             # ipv4 avoids potential timeouts because of crappy IPv6 infrastructure
             # 15CF4D18AF4F7421 is the GPG key for the LLVM apt repository

.github/workflows/build-python.yml

@@ -26,7 +26,7 @@ jobs:
             macOS-11-xcode-13.4.1,
           ]
 
-        build_type: [Debug]
+        build_type: [Release]
         python_version: [3]
         include:
           - name: ubuntu-20.04-gcc-9

.github/workflows/build-special.yml

@@ -69,6 +69,18 @@ jobs:
       - name: Install (Linux)
         if: runner.os == 'Linux'
         run: |
+          # LLVM (clang) 9/14 is not in Bionic's repositories so we add the official LLVM repository.
+          if [ "${{ matrix.compiler }}" = "clang" ]; then
+            # (ipv4|ha).pool.sks-keyservers.net is the SKS GPG global keyserver pool
+            # ipv4 avoids potential timeouts because of crappy IPv6 infrastructure
+            # 15CF4D18AF4F7421 is the GPG key for the LLVM apt repository
+            # This key is not in the keystore by default for Ubuntu so we need to add it.
+            LLVM_KEY=15CF4D18AF4F7421
+            gpg --keyserver keyserver.ubuntu.com --recv-key $LLVM_KEY || gpg --keyserver hkp://keyserver.ubuntu.com:80 --recv-key $LLVM_KEY
+            gpg -a --export $LLVM_KEY | sudo apt-key add -
+            sudo add-apt-repository "deb http://apt.llvm.org/bionic/ llvm-toolchain-bionic-9 main"
+          fi
+
           sudo apt-get -y update
           sudo apt-get -y install cmake build-essential pkg-config libpython3-dev python3-numpy libicu-dev