ci: Update to llvm 16.

Author: sleepy-monax

.github/workflows/build.yml

@@ -13,7 +13,8 @@ jobs:
       - name: Install Dependencies
         run: |
             sudo apt update
-            sudo apt install clang lld llvm python3 git ninja-build libsdl2-dev nasm gcc-multilib
+            sudo apt install python3 git ninja-build libsdl2-dev nasm gcc-multilib qemu-system-x86
+            bash -c "$(wget -O - https://apt.llvm.org/llvm.sh)" llvm 16
 
       - name: Set up the build environment
         run: ./skift.sh setup && ./skift.sh doctor

meta/plugins/doctor-cmd.py

@@ -107,10 +107,10 @@ def doctorCmd(args: Args):
     everythingIsOk = everythingIsOk & commandIsAvailable("qemu-system-x86_64")
     everythingIsOk = everythingIsOk & commandIsAvailable("clang", versionExpected=(15,))
     everythingIsOk = everythingIsOk & commandIsAvailable(
-        "clang++", versionExpected=(15,)
+        "clang++", versionExpected=(16,)
     )
     everythingIsOk = everythingIsOk & commandIsAvailable(
-        "ld.lld", versionExpected=(15,)
+        "ld.lld", versionExpected=(16,)
     )
     everythingIsOk = everythingIsOk & commandIsAvailable("nasm")
     everythingIsOk = everythingIsOk & commandIsAvailable("ninja")