With Makefile build, generate_component_general.py was called twice during
build, which did not happen with the ninja build.
This created a race condition with the following error in rare cases:
Traceback (most recent call last):
File "/__w/PX4-Autopilot/PX4-Autopilot/src/lib/component_information/generate_component_general.py", line 79, in <module>
save_compressed(filename)
File "/__w/PX4-Autopilot/PX4-Autopilot/src/lib/component_information/generate_component_general.py", line 33, in save_compressed
with open(filename, 'r') as content_file:
FileNotFoundError: [Errno 2] No such file or directory: '/__w/PX4-Autopilot/PX4-Autopilot/build/px4_sitl_default/component_general.json'
make[3]: *** [src/lib/component_information/CMakeFiles/component_information_header.dir/build.make:68: component_general.json] Error 1
Merging the targets avoids the duplicate execution.
The following exception occurs in some rare cases (but only with make build: NO_NINJA_BUILD=1 px4_sitl_default):
Traceback (most recent call last):
File "/__w/PX4-Autopilot/PX4-Autopilot/src/lib/component_information/generate_component_general.py", line 79, in <module>
save_compressed(filename)
File "/__w/PX4-Autopilot/PX4-Autopilot/src/lib/component_information/generate_component_general.py", line 33, in save_compressed
with open(filename, 'r') as content_file:
FileNotFoundError: [Errno 2] No such file or directory: '/__w/PX4-Autopilot/PX4-Autopilot/build/px4_sitl_default/component_general.json'
make[3]: *** [src/lib/component_information/CMakeFiles/component_information_header.dir/build.make:68: component_general.json] Error 1
- sending protocol
- uorb event message & template methods for argument packing
- libevents submodule to send common events and handle json files
- cmake maintains a list of all (PX4) source files for the current build
(PX4 modules + libs), which is used to extract event metadata and
generate a json file
Improves compression, e.g. current params file: 62KB to 51KB
There's also a PRESET_EXTREME option, which reduces by another 2KB.
We can revisit that once needed, as it increases mem usage as well.
- implement COMP_METADATA_TYPE_VERSION & add component_version.json.gz to
ROMFS for all targets.
- implement COMP_METADATA_TYPE_PARAMETER (only enabled for SITL currently)
