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I build a package with colcon build and get an error about including a missing header file. I suspect something is off with the -I flags passed to the compiler. How can I see the exact command with which the compiler is called?
It's in the colcon manual but it wasn't clear enough so I missed it the first time
colcon build --packages-select my_pkg --event-handlers console_direct+
As an alternative, it the package has already been built and cmake uses make, one can just go to the build directory and invoke make directly
cd build/my_pkg
make
When there is a lot of errors, it's useful to step through the colored output of the compiler
unbuffer colcon build --packages-select mpc_follower --event-handlers console_direct+ |& less -r
the unbuffer command is available via sudo apt install expect
Assuming you are referring to a CMake packages using Make under the hood: you can prefix the colcon build invocation with VERBOSE=1 optionally together with --event-handlers console_direct+to see stdout output directly rather than having to look in the log files (log/latest/<pkgname>/stout.log).
Asked: 2020-10-09 03:04:56 -0500
Seen: 5,023 times
Last updated: Oct 09 '20
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