go back to the other branch
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 315c66b..f361270 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -58,7 +58,7 @@
       add_definitions( -Werror )
    endif ()
    if (optimize) 
-      add_definitions( -Os )
+p      add_definitions( -Os )
    endif ()
 elseif (MSVC)
    add_definitions ( /W4 )
@@ -104,7 +104,7 @@
 ExternalProject_Add(
   project_cn-cbor
   GIT_REPOSITORY https://github.com/jimsch/cn-cbor
-  GIT_TAG windows
+  GIT_TAG PrettyPrint
   CMAKE_ARGS -Doptimize=OFF -Duse_context=${use_context} -Dbuild_docs=OFF -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR> -Dcoveralls=OFF -Dbuild_shared_libs=${build_shared_libs} -Dfatal_warnings=OFF
   INSTALL_DIR "${dist_dir}"
   UPDATE_DISCONNECTED 1