Target LLVM 13

.github/workflows/python-package.yml

@@ -70,6 +70,14 @@ jobs:
           wget https://pileof.rocks/openmp-13.0.0-darwin21-Release.tar.gz
           sudo tar fvxz openmp-*.tar.gz -C /
 
+      - name: Select LLVM 13
+        if: runner.os == 'macOS'
+        run: |
+          echo "CC=$(brew --prefix llvm)/bin/clang" >> $GITHUB_ENV
+          echo "CXX=$(brew --prefix llvm)/bin/clang" >> $GITHUB_ENV
+          echo "LDFLAGS=-L$(brew --prefix)/opt/llvm/lib -Wl,-rpath,$(brew --prefix)/opt/llvm/lib" >> &GITHUB_ENV
+          echo "MACOSX_DEPLOYMENT_TARGET=10.9"
+
       - name: Install QEMU
         # install QEMU if building for arm linux
         uses: docker/setup-qemu-action@v2

quicktex/util.h

@@ -39,8 +39,8 @@ namespace quicktex {
 // std::ranges::range is currently not usable by default in libc++
 template <class T>
 concept range = requires(T &t) {
-                    std::ranges::begin(t);
-                    std::ranges::end(t);
+                    std::begin(t);
+                    std::end(t);
                 };
 
 template <class T>