[pkgsrc/trunk]: pkgsrc/net/tor tor: disable backtrace(3) support on netbsd-9 ...

[leot <leot%pkgsrc.org@localhost>]

details:   https://anonhg.NetBSD.org/pkgsrc/rev/089f74931f71
branches:  trunk
changeset: 439415:089f74931f71
user:      leot <leot%pkgsrc.org@localhost>
date:      Sat Sep 19 18:22:01 2020 +0000

description:
tor: disable backtrace(3) support on netbsd-9 evbarm

backtrace(3) does not work on netbsd-9 ending up in a SIGSEGV and tor
process hanging forever (a simple way to reproduce without configuring
tor is just invoking tor via `tor --version').

Workaround for PR port-evbarm/55669.

PKGREVISION++

diffstat:

 net/tor/Makefile |   3 ++-
 net/tor/hacks.mk |  17 +++++++++++++++++
 2 files changed, 19 insertions(+), 1 deletions(-)

diffs (33 lines):

diff -r 089c2b74ffc2 -r 089f74931f71 net/tor/Makefile
--- a/net/tor/Makefile  Sat Sep 19 17:26:33 2020 +0000
+++ b/net/tor/Makefile  Sat Sep 19 18:22:01 2020 +0000
@@ -1,6 +1,7 @@
-# $NetBSD: Makefile,v 1.156 2020/09/15 19:12:55 wiz Exp $
+# $NetBSD: Makefile,v 1.157 2020/09/19 18:22:01 leot Exp $
 
 DISTNAME=      tor-0.4.4.5
+PKGREVISION=   1
 CATEGORIES=    net security
 MASTER_SITES=  https://dist.torproject.org/
 
diff -r 089c2b74ffc2 -r 089f74931f71 net/tor/hacks.mk
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/net/tor/hacks.mk  Sat Sep 19 18:22:01 2020 +0000
@@ -0,0 +1,17 @@
+# $NetBSD: hacks.mk,v 1.1 2020/09/19 18:22:01 leot Exp $
+
+.if !defined(TOR_HACKS_MK)
+TOR_HACKS_MK=  defined
+
+# [Sat Sep 19 15:51:04 UTC 2020 : leot]
+# On NetBSD/evbarm - and only on netbsd-9 - calling backtrace(3) ends
+# up in a SIGSEGV, documented via PR port-evbarm/55669.
+# To reproduce with Tor, after removing this hack, calling
+# `tor --version' should ends up in the Tor process hanging forever
+# (instead printing the version to the stdout).
+.if !empty(MACHINE_PLATFORM:MNetBSD-9.*-*arm*)
+PKG_HACKS+=            disable-backtrace
+CONFIGURE_ENV+=                ac_cv_search_backtrace=no
+.endif
+
+.endif # TOR_HACKS_MK