I think my married male friend is hitting on me? What to do without being awkward?

I have a friend from childhood that I recently reconnected with on social media and he is married with a child. We speak regularly but I noticed that he often makes comments about how he'd marry me if he could and that I am so beautiful, etc. I assumed at first he is just being a friend but he is escalating and saying that he would buy me expensive gifts and come visit me ( I live far away now). I keep bringing up his wife but he just shrugs it off. Is he joking or testing the waters? I want to make sure it is clear that I have no interest in having some affair and just want to be friends. He made a comment like "woman I am going to marry you!" But he IS married!

I think my married male friend is hitting on me? What to do without being awkward?
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