Library / path problem

[jlmaccal]

1. Fresh install of OpenMM from master. Passes tests.
2. Fresh install of example plugin from master.

  % make test                                                                                                                                                                                                                              !10215
Running tests...
Test project /Users/jlmaccal/Build/SamplePlugin
    Start 1: TestSerializeExampleForce
1/5 Test #1: TestSerializeExampleForce ........   Passed    0.00 sec
    Start 2: TestReferenceExampleForce
2/5 Test #2: TestReferenceExampleForce ........   Passed    0.00 sec
    Start 3: TestCudaExampleForceSingle
3/5 Test #3: TestCudaExampleForceSingle .......***Exception: Other  0.08 sec
    Start 4: TestCudaExampleForceMixed
4/5 Test #4: TestCudaExampleForceMixed ........***Exception: Other  0.05 sec
    Start 5: TestCudaExampleForceDouble
5/5 Test #5: TestCudaExampleForceDouble .......***Exception: Other  0.04 sec

40% tests passed, 3 tests failed out of 5

Total Test time (real) =   0.18 sec

The following tests FAILED:
      3 - TestCudaExampleForceSingle (OTHER_FAULT)
      4 - TestCudaExampleForceMixed (OTHER_FAULT)
      5 - TestCudaExampleForceDouble (OTHER_FAULT)
Errors while running CTest
make: *** [test] Error 8

  % platforms/cuda/tests/TestCudaExampleForce                                                                                                                                                                                              !10216
dyld: Library not loaded: @rpath/libOpenMMCUDA.dylib
  Referenced from: /Users/jlmaccal/Build/SamplePlugin/platforms/cuda/tests/TestCudaExampleForce
  Reason: image not found
[1]    14860 trace trap  platforms/cuda/tests/TestCudaExampleForce

I have the OpenMM lib dir in my path. I have also tried with and without setting OPENMM_PLUGIN_DIR with the same failure.