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Hacks needed to get asn1c to compile the J2735 (2024) ASN.1 files

1)

Edit J2945-3-RoadWeatherMessage-2024-rel-v2.1.asn per the issue described here:

github: VLM asn1c, Issue #420

Change the name of the SnapShot sequence in the RoadWeatherMessage module to RwmSnapShot so as not to conflict with Snapshot in the ProbeVehicleData module.

2)

Edit J3217-TollUsageMsg-2024-rel-v1.1.asn: Change the the name of the VehicleId sequence in the TollUsageMessage module to TumVehicleId so it doesn't conflict with VehicleID in the ProbeVehicleData module.

Also rename the imported type in J3217-R-RoadUserChargingReportMsg-2024-rel-v1.1.asn

Similar upper/lower case issue as above which manifests as error:

make: *** No rule to make target 'VehicleID.o', needed by 'libasncodec.a'.  Stop.

3)

Edit the generated header file NodeOffsetPointXY.h to avoid the circular header include issue described here:

github: USDOT asn1c, Issue #1

4)

Add the header:

#include "/usr/include/time.h"

to the following files:

  • GeneralizedTime.c
  • GeneralizedTime_ber.c
  • GeneralizedTime_xer.c
  • GeneralizedTime_print.c
  • GeneralizedTime_jer.c

There is a flag to point to that header location for CYGWIN, but it doesn't get set on Ubuntu.