Jon Siwek created BIT-1302:
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Summary: configuration of dynamic Bro plugin easily desynchronizes
with Bro's configuration
Key: BIT-1302
URL: https://bro-tracker.atlassian.net/browse/BIT-1302
Project: Bro Issue Tracker
Issue Type: Problem
Components: Bro, bro-aux
Reporter: Jon Siwek
Priority: Low
Any way for a dynamic plugin to automatically detect Bro's CMakeCache.txt has
been changed since the last time it did a "load_cache" so that it can re-run
the CMake configuration process?
Maybe a hacky way would be to force the top-level/skeleton Makefile of the
plugin to always do a `./configure` or a `touch build/CMakeCache.txt`.
The specific problem I ran in to was
1) do a plain `./configure` of Bro
2) configure/build a plugin (e.g. I was using btest/plugins/file-plugin)
3) change my mind and do a `./configure --enable-debug` of Bro.
4) (re)building the plugin still uses the original compiler flags inherited
from Bro's CMakeCache, but it's really important that it be using the same
debug flags. In this case not too bad to realize that ABI of the Val class
depends on -DDEBUG, but was still pretty unique/subtle to trace the resulting
crashes back to the difference in compile flags between Bro and the plugin.
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