Try to fix build recipe in case /usr/bin/llvm-config doesn't exist (? witnessed on binstar-build)
Try to fix build recipe in case /usr/bin/llvm-config doesn't exist (? witnessed on binstar-build)

m-labs/llvmlite,squisher/llvmlite,ssarangi/llvmlite,markdewing/llvmlite,m-labs/llvmlite,squisher/llvmlite,ssarangi/llvmlite,m-labs/llvmlite,pitrou/llvmlite,numba/llvmlite,sklam/llvmlite,pitrou/llvmlite,sklam/llvmlite,markdewing/llvmlite,sklam/llvmlite,numba/llvmlite,markdewing/llvmlite,sklam/llvmlite,squisher/llvmlite,squisher/llvmlite,pitrou/llvmlite,markdewing/llvmlite,pitrou/llvmlite,ssarangi/llvmlite,m-labs/llvmlite,ssarangi/llvmlite,numba/llvmlite,numba/llvmlite