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OS X - Development and Darwin Discussion and questions about development for Mac OS X.

-macosx_version_min,10.5 & Undefined symbols __Unwind_Resume

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Member Since: Jan 27, 2010
Posts: 1
colinhercus is on a distinguished road

colinhercus is offline

I'm using OSX 10.6.2 and compiling and linking programs with g++. Some of my users are running 10.5.8 and programs would give error:

dyld: unknown required load command 0x80000022
Trace/BPT trap

after some checking I thought I could fix this by linking with:

g++ -Wl,-macosx_version_min,10.5 ....

But the link now fails with:

Undefined symbols:
"__Unwind_Resume", referenced from:

which looks like linking with 10.5 option is looking for different libraries.

Has anybody seen this and/or no how to fix it. (I'm a novice at Mac development)

Thanks, Colin
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