[src/trunk]: src add hack for libmandoc on vax:

[rin <rin%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/7ada7fa46c56
branches:  trunk
changeset: 821715:7ada7fa46c56
user:      rin <rin%NetBSD.org@localhost>
date:      Tue Feb 14 09:05:17 2017 +0000

description:
add hack for libmandoc on vax:
mandoc(1) receives SIGILL in in_line_argn() from mdoc_macro.c

diffstat:

 doc/HACKS                                  |  10 +++++++++-
 external/bsd/mdocml/lib/libmandoc/Makefile |   7 ++++++-
 2 files changed, 15 insertions(+), 2 deletions(-)

diffs (43 lines):

diff -r 56767f28ed4e -r 7ada7fa46c56 doc/HACKS
--- a/doc/HACKS Tue Feb 14 09:03:48 2017 +0000
+++ b/doc/HACKS Tue Feb 14 09:05:17 2017 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: HACKS,v 1.179 2017/02/14 09:00:03 rin Exp $
+# $NetBSD: HACKS,v 1.180 2017/02/14 09:05:17 rin Exp $
 #
 # This file is intended to document workarounds for currently unsolved
 # (mostly) compiler bugs.
@@ -557,6 +557,14 @@
                hosts via ssh fails.
        kcah
 
+       hack    mandoc miscompile
+       date    Tue Feb 14 18:03:05 JST 2017
+       who     rin
+       file    external/bsd/mdocml/lib/libmandoc/Makefile : 1.8
+       descr
+               mandoc(1) receives SIGILL in in_line_argn() from mdoc_macro.c.
+       kcah
+
 port   arm
 
        hack    gcc-unsigned-compare
diff -r 56767f28ed4e -r 7ada7fa46c56 external/bsd/mdocml/lib/libmandoc/Makefile
--- a/external/bsd/mdocml/lib/libmandoc/Makefile        Tue Feb 14 09:03:48 2017 +0000
+++ b/external/bsd/mdocml/lib/libmandoc/Makefile        Tue Feb 14 09:05:17 2017 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.7 2016/07/15 19:40:42 christos Exp $
+# $NetBSD: Makefile,v 1.8 2017/02/14 09:05:17 rin Exp $
 
 LIBISPRIVATE=  yes
 
@@ -36,4 +36,9 @@
 
 MAN=   mandoc.3
 
+# XXX
+.if ${MACHINE} == "vax"
+COPTS.mdoc_macro.c+=-O0
+.endif
+
 .include <bsd.lib.mk>