# Pastebin 97E6nwad
$ ls $(nix-build -A darwin.apple_sdk.sdk)/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/
Headers

$ ls /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/
Headers			_CodeSignature		libBNNS.dylib		libLinearAlgebra.dylib	libSparse.dylib		libvDSP.dylib		vecLib
Resources		libBLAS.dylib		libLAPACK.dylib		libQuadrature.dylib	libSparseBLAS.dylib	libvMisc.dylib