(1) patches/patch-etc_Makefile.in
    This was NOT really necessary
(2) patches/patch-etc_Makefile.am
    Make patch size smaller (or make it easy to figure out).
    Add one line comment to indicate bushu.rev compilation
(3) Makefile
    This packages some times stalls with
    ... Saving file /WRKOBJDIR/wip/tc-git/work/tc/etc/bushu.rev...
    Put following line
   +MAKE_JOBS_SAFE=                no