https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61845
Bug ID: 61845 Summary: Minor build warnings for gcc-4.9.1 Product: gcc Version: 4.9.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libgcc Assignee: unassigned at gcc dot gnu.org Reporter: bdubbs at linuxfromscratch dot org I would think that gcc would build itself cleanly. The following warnings are produced when building: libgcc/config/libbid/bid64_div.c:523:51: warning: variable 'Ql' set but not used libgcc/config/libbid/bid64_div.c:937:51: warning: variable 'Ql' set but not used libgcc/config/libbid/bid64_div.c:1374:51: warning: variable 'Ql' set but not used libgcc/config/libbid/bid128_div.c:39:51: warning: variable 'Ql' set but not used libgcc/config/libbid/bid128_div.c:490:51: warning: variable 'Ql' set but not used libgcc/config/libbid/bid128_div.c:949:51: warning: variable 'Ql' set but not used libgcc/config/libbid/bid128_div.c:1406:51: warning: variable 'Ql' set but not used libsanitizer/ubsan/ubsan_diag.h:192:72: warning: 'Loc.__ubsan::Location::MemoryLoc' may be used uninitialized in this function [-Wmaybe-uninitialized] libssp/gets-chk.c:62:5: warning: 'gets' is deprecated libssp/gets-chk.c:69:5: warning: 'gets' is deprecated libssp/gets-chk.c:69: warning: the `gets' function is dangerous and should not be used. Built with: mkdir ../gcc-build cd ../gcc-build \ ../gcc-4.9.1/configure \ --prefix=/usr \ --enable-shared \ --enable-threads=posix \ --enable-__cxa_atexit \ --enable-clocale=gnu \ --enable-languages=c,c++ \ --disable-multilib \ --disable-bootstrap \ --with-system-zlib make