api changed in 1.4.2

[baloo]

I tried

diff --git a/blue-app-samplesign/Makefile b/blue-app-samplesign/Makefile
index e5a885e5c7225..5d3f91cd63831 100755
--- a/blue-app-samplesign/Makefile
+++ b/blue-app-samplesign/Makefile
@@ -33,6 +33,7 @@ SDK_SOURCE_PATH += lib_stusb lib_stusb_impl
 
 DEFINES += APPVERSION=\"$(APPVERSION)\"
 
+DEFINES += CX_COMPLIANCE_141
 DEFINES += OS_IO_SEPROXYHAL IO_SEPROXYHAL_BUFFER_SIZE_B=128
 DEFINES += HAVE_BAGL HAVE_SPRINTF
 DEFINES += PRINTF\(...\)=

as suggested in #8 but doesn't work for me :/

[btchip]

Should not be necessary with the latest commit