Checking dependencies with Distribution
mauricio.antunes at gmail.com
Wed Dec 9 15:52:41 EST 2009
Can you help me understand how to check C library dependencies
So far, reading Setup.hs from HDBC-mysql gave me a quick start. I
believe what I need to do is to write a 'preConf' user hook.
This preConf would probably mimic the behavior of autoconf macros
provided by the library. Say, if that macro opens an include
file and checks a string to confirm the version, that is what my
preConf should do.
But then I'm lost. Although my preConf probably doesn't need to
add any information to the build process, I can't find how to
actually break it if the proper version wasn't found, or how to
emit a message saying "you need a newer version of library X".
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