I've been digging through the documentation, but I cannot seem to find anything which can read the value of a c style defined macro into a cmake variable.
There's CheckSymbolExists, but that just flags the resulting cmake variable as true or false. It doesn't actually read the definition into the variable. I also checked FindBoost to see how they grab boost's version number - seems the do a file read and a regex on the resulting value. Is there an easy way to do this? I would have thought it would have been fairly common functionality - for instance, to gather information about posix options. Regards, Daniel.
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