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Re: Linking on MacOS X 10.2.1

Subject: Re: Linking on MacOS X 10.2.1
From: Ben Hines <email@hidden>
Date: Wed, 30 Oct 2002 17:13:33 -0800

On Wednesday, October 30, 2002, at 03:35 PM, email@hidden wrote:


----------------------
 dlopen error:dlcompat: dyld: root/bin/root.exe malformed library:
 RooFitCore/tmp/lib/RooFitCore.a (not a Mach-O file, bad magic number)

Are you sure you built that library? It wasn't in the archive prebuilt from linux? try running "file" on it to see what it is.

Usually dlopen() is used on shared objects (.so), not static (.a) libraries.


This package builds a shared object library (.so), by default, but the
linker has trouble.  I really only need one version of the library, so
I'll refrain from giving the details unless someone thinks it might be
easier to build.

To build a shared object on Mac OS X, you need to link with "-bundle" instead of "-shared". You also usually specify "-bundle_loader /path/to/executable" to reference the external symbols that might be used in the shared object. If you don't know the bundle_loader you can specify "-flat_namespace -undefined suppress"

-Ben
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References:
	>Linking on MacOS X 10.2.1 (From: email@hidden)

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