Allow to build with the PyPI package "clang" instead of "libclang". 1. It seems to be maintained. 2. In the FreeBSD base system there is no pre-built libclang.so. If you need this library you have to install llvm from ports additionally. 2. On FreeBSD there is no pre-built wheel "libclang" with a packaged libclang.so.

BEGIN		{ last_char = "x"; }
/^$/		{ if (last_char == "{") print(FILENAME, FNR); last_char = " "; next; }
/^\s*{$/	{ last_char = "{"; next; }
/ {$/		{ last_char = "{"; next; }
/^\s*}$/	{ if (last_char == " ") print(FILENAME, FNR); last_char = "}"; next; }
		{ last_char = "x"; }