#382 Check for a suitable version of libspectrum

[Fredrick Meunier]

Fuse 1,3,7 needs at least libspectrum 1.3.5 - it should check that it has a suitable version.

[Sergio Baldoví]

Also suggested in [feature-requests:#78].

Checking for the last symbol is a valid solution but I wonder if checking for a version number would be easier to maintain. Perhaps using PKG_CHECK_MODULES as we do with other dependencies:

PKG_CHECK_MODULES([LIBSPECTRUM],[libspectrum >= 1.3.5], ...)

That would need that libspectrum deploy a .pc file.

[Fredrick Meunier]

Something like this?

[Sergio Baldoví]

Yep, something like that :-)

There isn't need to add a custom rule to build libspectrum.pc, though.

[Fredrick Meunier]

Is this right for updated Win32 build instructions?

[Sergio Baldoví]

Thanks, committed in [b31c65]. The info was a bit outdated. PKG_CONFIG_PATH is prefered when doing a native compile as extends the search path with a local one. PKG_CONFIG_LIBDIR is prefered when cross-compiling as overrides the search path and ignores incompatible libraries.

[Fredrick Meunier]

Thanks Sergio, looks good to me!