configure.ac: Move LLVM version check to the top

A function with the LLVM version checked is moved to the top.
The function is called where the old code was.
No functional change.

Signed-off-by: Tobias Droste <tdroste@gmx.de>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
[Emil Velikov: s/ipos/ipo/, drop "yes" argument from llvm_add_component]
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
1 file changed