I am trying to compile ModemManager for an embedded linux platform. It does 
compile successfully and is able to be run, though it cannot load any of the 
plugins that come with ModemManager. Generally the error seems to be "Missing 
major version info", sometimes it's an undefined symbol.

The log output when staring ModemManager:
ModemManager[1371]: <info>  ModemManager (version 1.10.0) starting in system 
bus...
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-thuraya.so': Missing major version 
info
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-nokia-icera.so': 
/usr/local/lib/ModemManager/libmm-plugin-nokia-icera.so: undefined symbol: 
mm_port_probe_response_processor_is_at
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-option-hso.so': Missing major version 
info
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-motorola.so': Missing major version 
info
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-option.so': Missing major version info
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-sierra.so': Missing major version info
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-altair-lte.so': 
/usr/local/lib/ModemManager/libmm-plugin-altair-lte.so: undefined symbol: 
mm_port_probe_response_processor_is_at
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-huawei.so': 
/usr/local/lib/ModemManager/libmm-plugin-huawei.so: undefined symbol: 
mm_bearer_connect_result_unref
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-wavecom.so': 
/usr/local/lib/ModemManager/libmm-plugin-wavecom.so: undefined symbol: 
mm_serial_parser_v1_destroy
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-via.so': Missing major version info
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-novatel-lte.so': 
/usr/local/lib/ModemManager/libmm-plugin-novatel-lte.so: undefined symbol: 
mm_3gpp_network_info_list_free
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-cinterion.so': Missing major version 
info
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-telit.so': Missing major version info
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-ublox.so': 
/usr/local/lib/ModemManager/libmm-plugin-ublox.so: undefined symbol: 
mm_bearer_connect_result_unref
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-sierra-legacy.so': 
/usr/local/lib/ModemManager/libmm-plugin-sierra-legacy.so: undefined symbol: 
mm_bearer_connect_result_unref
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-nokia.so': 
/usr/local/lib/ModemManager/libmm-plugin-nokia.so: undefined symbol: 
mm_port_probe_response_processor_is_at
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-fibocom.so': Missing major version 
info
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-anydata.so': Missing major version 
info
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-quectel.so': Missing major version 
info
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-x22x.so': Missing major version info
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-iridium.so': 
/usr/local/lib/ModemManager/libmm-plugin-iridium.so: undefined symbol: 
mm_bearer_connect_result_unref
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-mtk.so': Missing major version info
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-longcheer.so': Missing major version 
info
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-zte.so': 
/usr/local/lib/ModemManager/libmm-plugin-zte.so: undefined symbol: 
mm_port_probe_response_processor_is_at
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-simtech.so': Missing major version 
info
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-dell.so': 
/usr/local/lib/ModemManager/libmm-plugin-dell.so: undefined symbol: 
mm_bearer_connect_result_unref
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-ericsson-mbm.so': 
/usr/local/lib/ModemManager/libmm-plugin-ericsson-mbm.so: undefined symbol: 
mm_bearer_connect_result_unref
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-pantech.so': Missing major version 
info
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-novatel.so': Missing major version 
info
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-generic.so': Missing major version 
info
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-linktop.so': Missing major version 
info
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-samsung.so': 
/usr/local/lib/ModemManager/libmm-plugin-samsung.so: undefined symbol: 
mm_bearer_connect_result_unref
ModemManager[1371]: <warn>  [plugin manager] could not load plugin 
'/usr/local/lib/ModemManager/libmm-plugin-haier.so': Missing major version info
ModemManager[1371]: <warn>  [plugin manager] generic plugin not loaded
ModemManager[1371]: <warn>  Could not create manager: no plugins found in 
plugin directory '/usr/local/lib/ModemManager'
ModemManager[1371]: <info>  ModemManager is shut down
______________________________________
Yasin Morsli
F&E Hardware / R&D Hardware

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