Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 
RPM build errors:
    File not found: /builddir/build/BUILD/libsndfile-1.2.2-build/BUILDROOT/usr/lib64/libsndfile.sox

rpmbuild error that caused build failure 