Merge pull request #4 from richo/richo-make-err

Show what the make scripts are doing, fail quickly

make-lib.sh

-#!/bin/sh
+#!/bin/sh -ex
 
 cmake -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=OFF -DLLVM_TARGETS_TO_BUILD="all" -G "Unix Makefiles" ..
 time make -j8

make-share.sh

-#!/bin/sh
+#!/bin/sh -xe
 
 cmake -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=ON -DLLVM_TARGETS_TO_BUILD="all" -G "Unix Makefiles" ..
 time make -j8