Gentoo's Bugzilla –
Attachment 841113 Details for
Bug 885063mail-mta/notqmail-1.08-r6 fails to compile (CLANG-STRICTER-SYSTEM): seek_cur.c:7:10: error: call to undeclared function lseek; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]