title: Apple Mach-O Linker Error: Command /Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/llvm-g++-4.2 failed with exit code 1
body: <p>I've searched and searched and am having trouble compiling one of the Jack Audio iPhone projects. I modernized the project and keep getting this when I compile. Can't figure it out.</p>
  
  <pre><code>Ld /Users/zacharywilliams/Library/Developer/Xcode/DerivedData/iPhoneNet-bjquhpgcjgjaitgvrbiuaobtwtfy/Build/Products/Debug-iphoneos/NetJackSlave.app/NetJackSlave normal armv7
  cd /Users/zacharywilliams/trunk/jackmp/macosx/iphone
  setenv IPHONEOS_DEPLOYMENT_TARGET 4.3
  setenv PATH "/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
  /Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/llvm-g++-4.2 -arch armv7 -isysroot /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.3.sdk -L/Users/zacharywilliams/Library/Developer/Xcode/DerivedData/iPhoneNet-bjquhpgcjgjaitgvrbiuaobtwtfy/Build/Products/Debug-iphoneos -L/Users/zacharywilliams/trunk/jackmp/macosx/iphone/build/Debug-iphonesimulator -F/Users/zacharywilliams/Library/Developer/Xcode/DerivedData/iPhoneNet-bjquhpgcjgjaitgvrbiuaobtwtfy/Build/Products/Debug-iphoneos -filelist /Users/zacharywilliams/Library/Developer/Xcode/DerivedData/iPhoneNet-bjquhpgcjgjaitgvrbiuaobtwtfy/Build/Intermediates/iPhoneNet.build/Debug-iphoneos/iPhoneNetSlave.build/Objects-normal/armv7/NetJackSlave.LinkFileList -dead_strip libcelt.a -miphoneos-version-min=4.3 -framework Foundation -framework UIKit -framework CoreGraphics -framework AudioToolbox -o /Users/zacharywilliams/Library/Developer/Xcode/DerivedData/iPhoneNet-bjquhpgcjgjaitgvrbiuaobtwtfy/Build/Products/Debug-iphoneos/NetJackSlave.app/NetJackSlave
  
  Command /Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/llvm-g++-4.2 failed with exit code 1
  </code></pre>
  
  <p>Thanks for any help!</p>
  
  <p>Zach</p>