Move LLVM version warning to experimental banner

Author: danigm

Tools/jit/_targets.py

@@ -233,15 +233,10 @@ def build(
         if not self.stable:
             warning = f"JIT support for {self.triple} is still experimental!"
             request = "Please report any issues you encounter.".center(len(warning))
+            if self.llvm_version != _llvm._LLVM_VERSION:
+                request = f"Warning! Building with a LLVM version other than {_llvm._LLVM_VERSION} is not supported."
             outline = "=" * len(warning)
             print("\n".join(["", outline, warning, request, outline, ""]))
-
-        if self.llvm_version != _llvm._LLVM_VERSION:
-            warning = f"LLVM version {self.llvm_version} is not officially supported!"
-            request = "Use custom LLVM version at your own rist.".center(len(warning))
-            outline = "=" * len(warning)
-            print("\n".join(["", outline, warning, request, outline, ""]))
-
         digest = f"// {self._compute_digest()}\n"
         if (
             not force

Tools/jit/build.py

@@ -49,9 +49,9 @@
         target.force = args.force
         target.verbose = args.verbose
         target.cflags = args.cflags
+        target.pyconfig_dir = args.pyconfig_dir
         if args.llvm_version:
             target.llvm_version = args.llvm_version
-        target.pyconfig_dir = args.pyconfig_dir
         target.build(
             comment=comment,
             force=args.force,