Code:
Linking vdrift
/usr/local/lib/libBulletDynamics.a(btSequentialImpulseConstraintSolver.o): In function `btSequentialImpulseConstraintSolver::solveGroup(btCollisionObject**, int, btPersistentManifold**, int, btTypedConstraint**, int, btContactSolverInfo const&, btIDebugDraw*, btStackAlloc*, btDispatcher*)':
btSequentialImpulseConstraintSolver.cpp:(.text+0x4a): undefined reference to `CProfileManager::Start_Profile(char const*)'
btSequentialImpulseConstraintSolver.cpp:(.text+0x106): undefined reference to `CProfileManager::Stop_Profile()'
btSequentialImpulseConstraintSolver.cpp:(.text+0x134): undefined reference to `CProfileManager::Stop_Profile()'
/usr/local/lib/libBulletDynamics.a(btSequentialImpulseConstraintSolver.o): In function `btSequentialImpulseConstraintSolver::solveGroupCacheFriendlyIterations(btCollisionObject**, int, btPersistentManifold**, int, btTypedConstraint**, int, btContactSolverInfo const&, btIDebugDraw*, btStackAlloc*)':
btSequentialImpulseConstraintSolver.cpp:(.text+0x295f): undefined reference to `CProfileManager::Start_Profile(char const*)'
btSequentialImpulseConstraintSolver.cpp:(.text+0x29e8): undefined reference to `CProfileManager::Stop_Profile()'
btSequentialImpulseConstraintSolver.cpp:(.text+0x2a02): undefined reference to `CProfileManager::Stop_Profile()'
/usr/local/lib/libBulletDynamics.a(btSequentialImpulseConstraintSolver.o): In function `btSequentialImpulseConstraintSolver::solveGroupCacheFriendlySetup(btCollisionObject**, int, btPersistentManifold**, int, btTypedConstraint**, int, btContactSolverInfo const&, btIDebugDraw*, btStackAlloc*)':
btSequentialImpulseConstraintSolver.cpp:(.text+0x5b66): undefined reference to `CProfileManager::Start_Profile(char const*)'
btSequentialImpulseConstraintSolver.cpp:(.text+0x66d4): undefined reference to `CProfileManager::Stop_Profile()'
btSequentialImpulseConstraintSolver.cpp:(.text+0x6a97): undefined reference to `CProfileManager::Stop_Profile()'
[etc]
looks like the bullet libraries are not all linked in (or maybe the order is wrong; and, yes, they are all installed).
--alex--