OPTS="-DUSE_EXTERNAL_TINYXML=off $OPTS" && CFLAGS="-Wno-error=deprecated-declarations -Wno-error=cast-function-type -Wno-error=unused-function $CFLAGS" && CXXFLAGS="-Wno-error=deprecated-declarations -Wno-error=cast-function-type -Wno-error=unused-function $CXXFLAGS" && CMAKE_GEN='Unix Makefiles' && default_build