[llvm-dev] Error in pass registration

[Fatima Ahmed via llvm-dev]

Hello guys,
I'm trying to register my custom pass by following the pass registration steps from llvm cookbook(Doing this on llvm 7)
Upon building it, I'm getting this error
make[2]: *** No rule to make target 'lib/Transforms/Scalar/CMakeFiles/LLVMScalarOpts.dir/build'.  Stop.
CMakeFiles/Makefile2:3134: recipe for target 'lib/Transforms/Scalar/CMakeFiles/LLVMScalarOpts.dir/all' failed
make[1]: *** [lib/Transforms/Scalar/CMakeFiles/LLVMScalarOpts.dir/all] Error 2
make[1]: *** Waiting for unfinished jobs....
[ 44%] Built target LLVMInstCombine
[ 47%] Built target LLVMTransformUtils
[ 57%] Built target LLVMCodeGen
Makefile:151: recipe for target 'all' failed
make: *** [all] Error 2

Can anyone please explain how to solve this?
Thanks.
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