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XCode 2.2 and link time multiple defines
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XCode 2.2 and link time multiple defines


  • Subject: XCode 2.2 and link time multiple defines
  • From: Andrew Kimpton <email@hidden>
  • Date: Fri, 11 Nov 2005 15:00:58 -0800

The following link line  :

/usr/bin/g++-4.0 -o /Volumes/Source/bundle_1_1/builds/macos/Debug/BIAS \ GateEx.vst/Contents/MacOS/BIAS\ GateEx -L/Volumes/Source/bundle_1_1/ builds/macos/Debug -F/Volumes/Source/bundle_1_1/builds/macos/Debug - filelist /Volumes/Source/bundle_1_1/builds/macos/auguste.build/Debug/ augusteVST.build/Objects-normal/ppc/BIAS\ GateEx.LinkFileList - framework Carbon -framework CoreAudio -framework vecLib -framework AudioUnit -framework CoreMIDI -lzlib_nopa -lzdsp -framework vecLib - arch ppc -bundle -mmacosx-version-min=10.3 -isysroot /Developer/SDKs/ MacOSX10.4u.sdk

With a filelist that just consists of 10 .o files produces a raft of multiple define warnings :

/usr/bin/ld: warning multiple definitions of symbol _expm1f
/Developer/SDKs/MacOSX10.4u.sdk/usr/lib/gcc/powerpc-apple- darwin8/4.0.1/../../../libmx.dylib(single module) definition of _expm1f
/Developer/SDKs/MacOSX10.4u.sdk/usr/lib/gcc/powerpc-apple- darwin8/4.0.1/../../../libSystem.dylib(floating.o) definition of _expm1f


And so on for about 25 other single precision math functions.

The mx library is not on the link line, nor is it defined as part of my project - so how is it getting included in this link ?

This error also only occurs if I when doing a PPC Link. The Intel Link stage (on a Transition Kit or on PPC) works just fine.

Andrew 8-)

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