protobuf: update to 3.1.0, update to use cmake

packages/addons/addon-depends/protobuf/package.mk

@@ -14,23 +14,30 @@
 ################################################################################
 
 PKG_NAME="protobuf"
-PKG_VERSION="2.6.1"
+PKG_VERSION="3.1.0"
 PKG_REV="1"
 PKG_ARCH="any"
 PKG_LICENSE="OSS"
 PKG_SITE="https://developers.google.com/protocol-buffers/"
-PKG_URL="https://github.com/google/$PKG_NAME/releases/download/v$PKG_VERSION/$PKG_NAME-$PKG_VERSION.tar.gz"
-PKG_DEPENDS_HOST="toolchain zlib"
+PKG_URL="https://github.com/google/$PKG_NAME/releases/download/v$PKG_VERSION/$PKG_NAME-cpp-$PKG_VERSION.tar.gz"
+PKG_DEPENDS_HOST="toolchain zlib:host"
 PKG_DEPENDS_TARGET="toolchain zlib protobuf:host"
 PKG_SECTION="devel"
 PKG_SHORTDESC="protobuf: Protocol Buffers - Google's data interchange format"
 PKG_LONGDESC="protobuf: Protocol Buffers - Google's data interchange format"
 
 PKG_IS_ADDON="no"
-PKG_AUTORECONF="yes"
+PKG_AUTORECONF="no"
 
-PKG_CONFIGURE_OPTS_HOST="--enable-static --disable-shared"
-PKG_CONFIGURE_OPTS_TARGET="--disable-shared --enable-static --with-protoc=$ROOT/$TOOLCHAIN/bin/protoc"
+PKG_CMAKE_SCRIPT="cmake/CMakeLists.txt"
+
+PKG_CMAKE_OPTS_HOST="-DCMAKE_NO_SYSTEM_FROM_IMPORTED=1 \
+                     -DBUILD_SHARED_LIBS=0 \
+                     -Dprotobuf_BUILD_TESTS=0 \
+                     -Dprotobuf_BUILD_EXAMPLES=0 \
+                     -Dprotobuf_WITH_ZLIB=1"
+
+PKG_CMAKE_OPTS_TARGET="$PKG_CMAKE_OPTS_HOST"
 
 post_makeinstall_target() {
   rm -rf $INSTALL/usr/bin