How do I track build variable changes in a tool ?
In my case I have a tool that I invoke like this:
env.MyTool("file.o" ["file.c"], V1=1, V2=2, ...)
The tool is a bit complicated - I use Builder() objects to construct a
file that contains the command line arguments for the compiler and
then I use another Builder() to run the compiler. This is modeled on
the tools for fools wiki page.
The problem I am seeing is that if I change the variables used to
invoke MyTool() scons does not rebuild the file.
Question: In a tool - how does one track variable changes that would
require the output file to be regenerated?
Thanks for any help.
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