Lagom: Look for clang the same way serenity.sh does in BuildFuzzers.sh

Also note that Xcode does not ship libfuzzer and is not usable for
a fuzzer build.

Author: ADKaster

Meta/Lagom/BuildFuzzers.sh

@@ -14,11 +14,12 @@ die() {
 
 pick_clang() {
     local BEST_VERSION=0
-    for CLANG_CANDIDATE in clang clang-13 clang-14 /usr/local/bin/clang-13 /usr/local/bin/clang-14; do
+    for CLANG_CANDIDATE in clang clang-13 clang-14 clang-15 /opt/homebrew/opt/llvm/bin/clang ; do
         if ! command -v $CLANG_CANDIDATE >/dev/null 2>&1; then
             continue
         fi
         if $CLANG_CANDIDATE --version 2>&1 | grep "Apple clang" >/dev/null; then
+            echo "Skipping Apple clang, as Apple does not ship libfuzzer with Xcode..."
             continue
         fi
         if ! $CLANG_CANDIDATE -dumpversion >/dev/null 2>&1; then