[exim] Compile time options

[Juan Bernhard via Exim-users]

Hello list. I have to update a couple of exim, that was compiled, not 
installed by package. The problem I have is that the old directory that 
had the sources, was deleted, and also the local/Makefile options.
Is there an option to recover the build time configuration from an exim 
binary?

Saludos, Juan.

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