I really haven't looked much into this kind of stuff before, and from
what you all seem to be saying, this is not as simple as I'd hoped. I
hoped that there was some way that I could wrap the .so file so it
acted like a Mach-O dylib file. Apparently not, and I don't know enough
about that stuff to even try to attempt to create such a utility.
FYI, the format of the file (that "file" command is pretty cool by the
/opt/IBM/ibmtts/lib/libibmeci.so: ELF 32-bit LSB shared object, Intel
80386, version 1 (SYSV), not stripped
So it looks like not only is it the wrong binary format (ELF vs
Mach-O), but it is the wrong computer architecture (Intel vs PPC). I
guess I will quickly abandon this and look for something else.
Thanks for all the info for a admitted newbie in this area.
On Nov 10, 2004, at 12:25 AM, Markus Hitter wrote:
Am 09.11.2004 um 21:55 schrieb Matt Budd (Madentec):
ld: /opt/IBM/ibmtts/lib/libibmeci.so bad magic number (not a Mach-O
I am assuming that this is because the shared-object library (the .so
file) is in ELF format where as OS X expects shared object libraries
to be in Mach-O format (dylib?).
"file /opt/IBM/ibmtts/lib/libibmeci.so" will tell you a few more
I am only given the .so file in Linux format, and don't have the
source to recompile it on OS X as a dylib. Is there anything I can do
to convert this .so to a .dylib?
In principle, there's "objcopy", part of GNU binutils. Problem is,
Darwin currently isn't a supported target platform of GNU binutils.
There's a small hope however, since Darwin's assembler and linker are
based on GNU binutils 1.38, which was current several years ago.
Supporting Darwin in current GNU binutils would be a pretty project on
it's own. I'm looking into this myself but don't expect anything.
Also, I am trying to static linking at compile time, but possibly
could look at performing dynamic loading at runtime if that would get
this to work.
Alternative is to mimic an ELF dynamic linker. Linux' or NetBSD's
ld.elf sources would be a start. Dunno which of both can be done more
With both approaches, you probably need to provide some additional
libraries to satisfy libibmeci.so's dependencies. Linking it against
Darwin's system libraries directly won't work, but coding this
compatibility lib is the easier part to be done.
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