checking for sys_errlist... yes
checking for sys_nerr... checking build system compiler gcc... yes
checking for sys_siglist... no
configure: error: Specified CC_FOR_BUILD doesn't seem to work
make[1]: *** [configure-gmp] Error 1
make[1]: *** Waiting for unfinished jobs....
yes
checking for external symbol _system_configuration... no
checking for __fsetlocking... no
checking for canonicalize_file_name... no
checking for dup3... no