Some makeinfo versions are a pain in [somewhere very painful].
Work this around with a wrapper that always succeeds, and leave incomplete files in place.
/trunk/scripts/crosstool.sh | 7 7 0 0 +++++++
1 file changed, 7 insertions(+)
1 diff -dur strace-4.5.15.orig/signal.c strace-4.5.15/signal.c
2 --- strace-4.5.15.orig/signal.c 2007-01-11 23:08:38.000000000 +0100
3 +++ strace-4.5.15/signal.c 2007-07-14 19:24:43.000000000 +0200
5 tcp->u_rval = tcp->u_error = 0;
8 - tcp->auxstr = sprintsigmask("mask now ", tcp->u_arg[1]);
9 + tcp->auxstr = sprintsigmask("mask now ", tcp->u_arg[1], 0);
10 return RVAL_NONE | RVAL_STR;