[CMake] Re: pkg-config and cache

[Enrico Scholz]

Andreas Beckermann <b_mann at gmx.de> writes:

> The pkg_check_modules() macro works mostly fine (thanks a lot, btw,
> this saved me a lot of work), however I have one problem with it: once
> it checked whether the modules are available, it defines a variable
> __pkg_config_checked_<PREFIX> in CMakeCache.txt and won't check for
> these modules again, once that variable is defined.

It is a general flaw in CMake which affects other situations too... There is
missing something like './config.status --recheck' which would regenerate
the cache from scratch with the original cmdline and environment.



Enrico
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