in BTL: a specific bench/action can be selected at runtime, e.g.:

BTL_CONFIG="-a ata" ctest -V -R eigen
  run the all benchmarks having "ata" in their name for all
  libraries matching the regexp "eigen"

bench/btl/libs/STL/main.cpp

@@ -28,6 +28,8 @@
 #include "action_aat_product.hh"
 #include "action_atv_product.hh"
 
+BTL_MAIN;
+
 int main()
 {
   bench<Action_axpy<STL_interface<REAL_TYPE> > >(MIN_AXPY,MAX_AXPY,NB_POINT);