Checking multilib configuration for libgcc...
Configuring stage 1 in sparc-sun-solaris2.10/libgcc
configure: loading cache ./config.cache
checking build system type... sparc-sun-solaris2.10
checking host system type... sparc-sun-solaris2.10
checking for --enable-version-specific-runtime-libs... no
checking for a BSD-compatible install... /opt/csw/bin/ginstall -c
checking for gawk... nawk
checking for sparc-sun-solaris2.10-ar... ar
checking for sparc-sun-solaris2.10-lipo... lipo
checking for sparc-sun-solaris2.10-nm... /home/luigi/gcc/gcc-obj/./gcc/nm
checking for sparc-sun-solaris2.10-ranlib... ranlib
checking for sparc-sun-solaris2.10-strip... strip
checking whether ln -s works... yes
checking for sparc-sun-solaris2.10-gcc... /home/luigi/gcc/gcc-obj/./gcc/xgcc -B/home/luigi/gcc/gcc-obj/./gcc/ -B/usr/local/gcc7/sparc-sun-solaris2.10/bin/ -B/usr/local/gcc7/sparc-sun-solaris2.10/lib/ -isystem /usr/local/gcc7/sparc-sun-solaris2.10/include -isystem /usr/local/gcc7/sparc-sun-solaris2.10/sys-include
checking for suffix of object files... configure: error: in `/home/luigi/gcc/gcc-obj/sparc-sun-solaris2.10/libgcc':
configure: error: cannot compute suffix of object files: cannot compile
See `config.log' for more details.
make[2]: *** [Makefile:20540: configure-stage1-target-libgcc] Error 1
make[2]: Leaving directory '/home/luigi/gcc/gcc-obj'
make[1]: *** [Makefile:26034: stage1-bubble] Error 2
make[1]: Leaving directory '/home/luigi/gcc/gcc-obj'
make: *** [Makefile:938: all] Error 2