optional pybind11 dep

Author: ajaypanyala

CMakeLists.txt

@@ -68,6 +68,10 @@ endif()
 
 list(APPEND TAMM_DEPENDENCIES GlobalArrays) #BLAS LAPACK
 
+if(TAMM_ENABLE_PYTHON)
+  list(APPEND TAMM_DEPENDENCIES pybind11)
+endif()
+
 # Libint2, GauXC, FCI
 if(DEFINED MODULES AND (NOT "${MODULES}" STREQUAL ""))
   list(TRANSFORM MODULES TOUPPER)