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: 

/usr/bin/ld: ../DiscIO/libdiscio.a(CompressedBlob.cpp.o): undefined reference to symbol 'inflateEnd'
/usr/bin/ld: /usr/lib64/libz.so.1: error adding symbols: DSO missing from command li
Incorrect reference to symbol 'inflateEnd'