I would like to have a python script that generates some source code from a data file in the project tree. Since the processing time can be considerable, it would be best to have it set up like a compilation step - to run only when needed, based on input and output files timestamps (like a regular m…

Custom build step that mimics makefile rule?

flytrex-vadim December 5, 2022, 9:09am 15

That was apparently because the task was not linked to the main build target. Adding Depends() call fixed it.

extra_script.py:

Import("env")
c = env.Command('msgs.c', 'msgs.txt', action="cp $SOURCE $TARGET")
env.Depends("$BUILD_DIR/$PROGNAME$PROGSUFFIX", c)