Created attachment 91255 [details] [review] Patch replacing the check with AC_PATH_TOOL Since llvm-config is a tool used to obtain build host paths, the check should use AC_PATH_TOOL instead of AC_PATH_PROG. This helps with cross-compiling and multilib, e.g. finding i686-pc-linux-gnu-llvm-config as necessary.
My patch has been committed already :) [1] [1]:http://cgit.freedesktop.org/mesa/mesa/commit/?id=5ea23763349346f
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