IOWithoutPositioning
ftp://ftp.de.debian.org/debian/pool/main/c/crash/crash_8.0.6.orig.tar.gz
crash-8.0.6/configure.c:1925:4: error: Read and write operations without a call to a positioning function (fseek, fsetpos or rewind) or fflush in between result in undefined behaviour. [IOWithoutPositioning]
crash-8.0.6/configure.c:1938:4: error: Read and write operations without a call to a positioning function (fseek, fsetpos or rewind) or fflush in between result in undefined behaviour. [IOWithoutPositioning]