fix(CI): lld needs to be installed on macOS

the host linker requires to be `lld`, as the `--enable-linker=ld64` option for `../configure` is only for specifying the target linker

.github/workflows/test-and-publish.yaml

@@ -88,13 +88,6 @@ jobs:
         if: ${{ matrix.os == 'macos-13' && steps.cache-spidermonkey.outputs.cache-hit != 'true' }}
         # SpiderMonkey requires XCode SDK version at least 13.3
         run: sudo xcode-select -switch /Applications/Xcode_14.3.app
-      - name: Setup LLVM
-        if: ${{ (matrix.os == 'macos-13' || matrix.os == 'macos-14') && steps.cache-spidermonkey.outputs.cache-hit != 'true' }}
-        run: |
-          brew install llvm@15
-          ln -s $(brew --prefix llvm@15)/bin/lld /usr/local/bin/lld
-          ln -s $(brew --prefix llvm@15)/bin/ld64.lld /usr/local/bin/ld64.lld
-          ld64.lld --version
       - name: Build spidermonkey
         if: ${{ steps.cache-spidermonkey.outputs.cache-hit != 'true' }}
         run: ./setup.sh

setup.sh

@@ -18,6 +18,7 @@ if [[ "$OSTYPE" == "linux-gnu"* ]]; then # Linux
 elif [[ "$OSTYPE" == "darwin"* ]]; then # macOS
   brew update || true # allow failure
   brew install cmake pkg-config wget unzip coreutils # `coreutils` installs the `realpath` command
+  brew install lld
 elif [[ "$OSTYPE" == "msys"* ]]; then # Windows
   echo "Dependencies are not going to be installed automatically on Windows."
 else