"Header guard failure" build failure(s) — clang 3.4

PackageVersionSupposed error messageFull log Bug report
cbmc 4.5-2./rational_tools.h:9:9: error: 'CPROVER_RATIONAL_TOOLS_H' is used as a header guard here, followed by #define of a different macro [-Werror,-Wheader-guard] Log
gltron 0.70final-12../../nebu/include/filesystem/nebu_filesystem.h:1:9: error: 'NEBU_FILE_SYSTEM_H' is used as a header guard here, followed by #define of a different macro [-Werror,-Wheader-guard] Log
libphone-ui-shr 0.1+git20130901-2./phoneui-phone-log.h:22:9: error: '_PHONEUI_PHONELOG_H' is used as a header guard here, followed by #define of a different macro [-Werror,-Wheader-guard] Log
squid3 3.3.8-1.1../compat/os/hpux.h:1:9: error: 'SQUID_OS_HPUX_H' is used as a header guard here, followed by #define of a different macro [-Werror,-Wheader-guard] Log

4 errors