configure.ac: Don't search llvm-config if it's known
authorTobias Droste <tdroste@gmx.de>
Sat, 19 Nov 2016 01:38:53 +0000 (02:38 +0100)
committerEmil Velikov <emil.l.velikov@gmail.com>
Mon, 5 Dec 2016 14:43:46 +0000 (14:43 +0000)
commit2350387d24d6f2470450ee9e78792a9ee957034b
tree37b48f9b4a2a1338aa2ee735335e041ec650fffc
parent3949d7c6ead25e6191c6529a1805ba7ada6892cc
configure.ac: Don't search llvm-config if it's known

This way LLVM_CONFIG can bet set from an env variable if it's outside
the $llvm_prefix.

This is not a must, but it helps testing.

Signed-off-by: Tobias Droste <tdroste@gmx.de>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
configure.ac