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Re: -Wl,--as-needed considered possibly harmful

On Mon, 10 Dec 2007 22:10:49 +0100
Pierre Habouzit <madcoder@debian.org> wrote:

> > > > That is supported in pkg-config, but no upstream I've ever met seems to
> > > > understand it yet.
> > >
> > > Ah, I see.  I overlooked the --static flag to pkg-config because (case
> > > in point) "pkg-config --libs gtk+-2.0" only misses seven of the
> > > libraries that the --static version uses.  I would guess this is
> > > because "Requires.private" is not mentioned in the pkg-config man
> > > page.  At least on my system, Libs.private seems to be used correctly
> > > by most or all .pc files, but Requires.private use is spotty.
> > 
> > The flaw in the documentation is surely the part to blame here. 
> > Requires.Private works but is not mentioned anywhere. Neither is the --static 
> > option in the SYNOPSIS part of the man page.
> > Not many use undocumented stuff.
> You're kidding ? If someone that produces libraries stop at the SYNOPSIS
> section while reading documentation, he's a moron. The pkg-config tool
> has a very concise documentation that says it all, --static is
> documented in the OPTIONS section, and Requires, Libs, Libs.private in
> METADATA FILE SYNTAX where due. Calling it undocumented is just either
> bad faith or well, I can't see what else it can be in fact.

What *is* missing is documentation of Requires.private:


Neil Williams

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