Tried to build the GCS package, but continuously getting Error 2816, even I started every thing from fresh (install msys2, mingw, clone, make, etc.):
kckwan@ADMINIB-RSG8BD7 MINGW64 ~/librepilot
$ make package
Info: creating stash file H:\msys64_\home\kckwan\librepilot\build\uavobjgenerator\.qmake.stash
H:/msys64_/mingw64/bin/mingw32-make -f Makefile.Release
compiling ../../ground/uavobjgenerator/main.cpp
compiling ../../ground/uavobjgenerator/uavobjectparser.cpp
compiling ../../ground/uavobjgenerator/generators/generator_io.cpp
compiling ../../ground/uavobjgenerator/generators/java/uavobjectgeneratorjava.cpp
compiling ../../ground/uavobjgenerator/generators/flight/uavobjectgeneratorflight.cpp
compiling ../../ground/uavobjgenerator/generators/arduino/uavobjectgeneratorarduino.cpp
compiling ../../ground/uavobjgenerator/generators/gcs/uavobjectgeneratorgcs.cpp
compiling ../../ground/uavobjgenerator/generators/matlab/uavobjectgeneratormatlab.cpp
compiling ../../ground/uavobjgenerator/generators/python/uavobjectgeneratorpython.cpp
compiling ../../ground/uavobjgenerator/generators/wireshark/uavobjectgeneratorwireshark.cpp
compiling ../../ground/uavobjgenerator/generators/generator_common.cpp
linking uavobjgenerator.exe
mingw32-make: *** [H:/msys64_/home/kckwan/librepilot/flight/Makefile:265: flight_uavobjects] Error 2816
kckwan@ADMINIB-RSG8BD7 MINGW64 ~/librepilot
$
(Remark: I can build the GCS package previously.)