Configure conformance tests to build with C++11 (require GCC 4.8)
[skip ci]
diff --git a/travis.sh b/travis.sh
index e7667fb..317bef4 100755
--- a/travis.sh
+++ b/travis.sh
@@ -11,6 +11,13 @@
# For when some other test needs the C++ main build, including protoc and
# libprotobuf.
internal_build_cpp() {
+ # Install GCC 4.8 to replace the default GCC 4.6. We need 4.8 for more
+ # decent C++ 11 support in order to compile conformance tests.
+ sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y
+ sudo apt-get update -qq
+ sudo apt-get install -qq g++-4.8
+ export CXX="g++-4.8" CC="gcc-4.8"
+
./autogen.sh
./configure
make -j2