make[1]: warning: jobserver unavailable: using -j1. Add `+' to parent make rule. In file included from ctrlchar.c:12: /store/CHECK/2004-01-31-23-01/linux-2.4.24-s390/include/linux/sysrq.h: In function `__reterr': /store/CHECK/2004-01-31-23-01/linux-2.4.24-s390/include/linux/sysrq.h:97: error: `EINVAL' undeclared (first use in this function) /store/CHECK/2004-01-31-23-01/linux-2.4.24-s390/include/linux/sysrq.h:97: error: (Each undeclared identifier is reported only once /store/CHECK/2004-01-31-23-01/linux-2.4.24-s390/include/linux/sysrq.h:97: error: for each function it appears in.) make[3]: *** [ctrlchar.o] Error 1 make[2]: *** [first_rule] Error 2 make[1]: *** [_subdir_char] Error 2 make: *** [_dir_drivers/s390] Error 2 make: *** Waiting for unfinished jobs.... md5sum: WARNING: 1 of 13 computed checksums did NOT match make: *** Waiting for unfinished jobs.... make: *** Waiting for unfinished jobs....