[pkgsrc/trunk]: pkgsrc/devel/protobuf protobuf: fix build failure on NetBSD/i...

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

details:   https://anonhg.NetBSD.org/pkgsrc/rev/fc9f70877ecc
branches:  trunk
changeset: 389258:fc9f70877ecc
user:      tsutsui <tsutsui%pkgsrc.org@localhost>
date:      Sun Dec 23 23:51:26 2018 +0000

description:
protobuf: fix build failure on NetBSD/i386 8.0.  PR pkg/53659

Assume and specify -march=i586 for 64 bit atomic ops, as firefox does.
"Looks ok" by wiz@.

diffstat:

 devel/protobuf/Makefile |  7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diffs (21 lines):

diff -r dc1c5aa26d0b -r fc9f70877ecc devel/protobuf/Makefile
--- a/devel/protobuf/Makefile   Sun Dec 23 23:29:28 2018 +0000
+++ b/devel/protobuf/Makefile   Sun Dec 23 23:51:26 2018 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.16 2018/08/04 21:19:39 minskim Exp $
+# $NetBSD: Makefile,v 1.17 2018/12/23 23:51:26 tsutsui Exp $
 
 .include "Makefile.common"
 
@@ -20,6 +20,11 @@
 
 TEST_TARGET=   check
 
+.if ${MACHINE_ARCH} == "i386"
+# 64 bit atomic ops are required
+CXXFLAGS+=     -march=i586
+.endif
+
 pre-configure:
        ${RUN} cd ${WRKSRC} && ./autogen.sh