I've been trying to enable pgo on different Thunderbird components but I've been having problems.
Problem
The build output says these files are compiled with optimization flags but no optimization data is being collected.
It turns out the data is being collected and placed in the objdir/dist/bin/components directory. BUT!!!! This folder gets deleted.
I told ted about this. Here is a paraphrase of our conversation.
Basically, i need a flag to tell the make not to delete the folder when second profile build is being done and to look in the right directory for the optimization files.
I have posted a bug about this. This will be interesting to see how many components will get optimized without breaking.
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