[Webkit-unassigned] [Bug 20253] A correct Webkit build requires flex 2.5.33 but autotools build doesn't check for it

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=20253





------- Comment #9 from ddkilzer at webkit.org  2008-08-02 06:24 PDT -------
(In reply to comment #5)
> (In reply to comment #3)
> > Why can't the "PKG_CHECK_MODULES" macro be used as is done elsewhere in
> > configure.ac?
> 
> That macro requires the checked software to install a .pc file for pkg-config
> to find, and that practice is not too widespread outside the
> GNOME/freedesktop.org circles... Which is a bit unfortunate since it would make
> life so much simpler.

That means that none of the other version checks in the current configure.ac
file work for your build system?!

Is there a way to provide a decent fall-back mechanism if PKG_CHECK_MODULES
doesn't have any .pc files to fall back on?

I'd rather see the more complex test than the simple one, given the choice.  Is
there a "version check macro" available that is smart enough to compare
multi-dot version numbers (like 2.4 <= 2.5.33 <= 2.6) rather than rolling our
own regular expressions?


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