scripts: enable ipv6 support for lws

.travis.yml

@@ -18,12 +18,12 @@ install: |
   pushd /tmp
     curl -sLo- https://github.com/warmcat/libwebsockets/archive/v$LIBWEBSOCKETS_VERSION.tar.gz | tar xz
     cd libwebsockets-$LIBWEBSOCKETS_VERSION
-    cmake $CMAKE_OPTIONS .
+    cmake -DLWS_UNIX_SOCK=ON -DLWS_IPV6=ON -DCMAKE_BUILD_TYPE=RELEASE .
     make && sudo make install
   popd
 script: |
   mkdir build && cd build
-  cmake $CMAKE_OPTIONS ..
+  cmake -DCMAKE_BUILD_TYPE=RELEASE ..
   make && sudo make install
   ttyd -v
 jobs:

scripts/cross-build.sh

@@ -72,6 +72,7 @@ build_libwebsockets() {
 		    -DLWS_STATIC_PIC=ON \
 		    -DLWS_WITH_SHARED=OFF \
 		    -DLWS_UNIX_SOCK=ON \
+		    -DLWS_IPV6=ON \
 		    -DCMAKE_TOOLCHAIN_FILE=../../cross-$TARGET.cmake \
 		    -DCMAKE_INSTALL_PREFIX=$STAGE_DIR \
 		    ..