On Nov 24, 2009, at 8:23 PM, Martin Costabel wrote:
> Ben Abbott wrote:
> []
>> Is it possible that the wrong dylib is being loaded at run time? Is there a
>> way to (safely) test the idea?
>
> The other libstdc++ is loaded because it is pulled in by some of the dylibs
> liboctinterp-3.3.50+.dylib links to, for example
> /sw/lib/fltk-aqua/lib/libfltk_gl.1.1.dylib. You can see in which order the
> dylibs are loaded by running octave as
>
> env DYLD_PRINT_LIBRARIES=1 octave
>
> Another env variables interesting in this context is DYLD_PRINT_BINDINGS (but
> its output is enormous).
>
> Note that I am not sure that this is really the cause of the crash.
> It would be interesting to see if others know about crashes that appear when
> dylibs compiled with different versions of g++ are linked together.
>
> --
> Martin
Looking at the libstcd++.6.dylib's for gcc4.2 and gcc4.4, it appears (to me)
that compatibility problems are to be expected.
$ otool -L /sw/lib/gcc4.4/lib/libstdc++.6.dylib
/sw/lib/gcc4.4/lib/libstdc++.6.dylib:
/sw/lib/gcc4.4/lib/libstdc++.6.dylib (compatibility version 7.0.0,
current version 7.13.0)
/usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current
version 124.1.1)
/sw/lib/gcc4.4/lib/libgcc_s.1.dylib (compatibility version 1.0.0,
current version 1.0.0)
$ otool -L /usr/lib/libstdc++.6.dylib
/usr/lib/libstdc++.6.dylib:
/usr/lib/libstdc++.6.dylib (compatibility version 7.0.0, current
version 7.9.0)
/usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current
version 123.0.0)
Is there a simple way to build fltk using gcc 4.4?
Ben
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