protobuf-c: fix host build on GCC4 12287/head
authorRosen Penev <rosenp@gmail.com>
Sun, 24 May 2020 04:16:25 +0000 (21:16 -0700)
committerRosen Penev <rosenp@gmail.com>
Mon, 25 May 2020 01:36:13 +0000 (18:36 -0700)
commit499564b1d120a3bbd60886faaa2ac8350b5f68a3
tree8a814163215643d67ca0fc6f67c0862001310000
parentf50e2bde1dcf55f6eba7b27fc6f89ed3fd2496d0
protobuf-c: fix host build on GCC4

prereq-build.mk says that GCC 4.8 and above is supported. GCC 4.8
does not default to gnu++11. This fixes compilation.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
libs/protobuf-c/Makefile