MacPorts libtiff return error [unknown required load command 0x80000022]

[Joshua Root]

On 2009-11-16 19:56, Rui Martins wrote:
> Hi everyone,
> 
> I'm currently running Snow Leopard and using to compile my application
> that uses libtiff. I'm bundling MacPorts libtiff in the *.app. Everytime
> anyone runs my app on a Leopard system it crashes with the error above.
> I'm compiling my app with -mmacosx-version-min=10.5 -isysroot
> /Developer/SDKs/MacOSX10.6.sdk so it should support Mac OS 10.5. The
> error only happens when MacPorts' libtiff is loaded.
> 
> Is there a way to provide libs that work with Mac OS 10.5 or is there a
> way for me to get them in my 10.6?

MacPorts is not able to cross compile. See
<http://trac.macports.org/ticket/19875>. The only real way to get
10.5-compatible binaries from MacPorts is to build on 10.5. (They should
generally work on 10.6 as well if you do that.)

- Josh