The boostrap is done using the MipsPRO compiler. boostrap fails inside the C++ std library with:
/usr/people/multix/gcc-build/./gcc/xgcc -shared-libgcc -B/usr/people/multix/gcc-build/./gcc -nostdinc++ -L/usr/people/multix/gcc-build/mips-sgi-irix6.5/libstdc++-v3/src -L/usr/people/multix/gcc-build/mips-sgi-irix6.5/libstdc++-v3/src/.libs -B/usr/local/mips-sgi-irix6.5/bin/ -B/usr/local/mips-sgi-irix6.5/lib/ -isystem /usr/local/mips-sgi-irix6.5/include -isystem /usr/local/mips-sgi-irix6.5/sys-include -I/usr/people/multix/gcc-build/mips-sgi-irix6.5/libstdc++-v3/include/mips-sgi-irix6.5 -I/usr/people/multix/gcc-build/mips-sgi-irix6.5/libstdc++-v3/include -I/usr/people/multix/gcc-4.1.1/libstdc++-v3/libsupc++ -g -O2 -fno-implicit-templates -Wall -Wextra -Wwrite-strings -Wcast-qual -fdiagnostics-show-location=once -ffunction-sections -fdata-sections -c ../../../../gcc-4.1.1/libstdc++-v3/src/codecvt.cc -DPIC -o .libs/codecvt.o /usr/people/multix/gcc-build/mips-sgi-irix6.5/libstdc++-v3/include/cwchar:183: error: '::wcsftime' has not been declared /usr/people/multix/gcc-build/mips-sgi-irix6.5/libstdc++-v3/include/cwchar:194: error: '::wcstok' has not been declared gmake[5]: *** [codecvt.lo] Error 1 gmake[5]: Leaving directory `/usr/people/multix/gcc-build/mips-sgi-irix6.5/libstdc++-v3/src' -- Summary: undeclared wcs symbols in libstdc++ Product: gcc Version: 4.1.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: multix at gmail dot com GCC build triplet: mips-sgi-irix6.5 GCC host triplet: mips-sgi-irix6.5 GCC target triplet: mips-sgi-irix6.5 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28323