Remove unused drivers; put others in more reasonable place (#2382)

Author: benson31

CMakeLists.txt

@@ -852,6 +852,9 @@ if (LBANN_DEBUG_PRINT_SUBTARGETS)
   lbann_print_all_subtargets(lbann)
 endif ()
 
+# Build the LBANN drivers
+add_subdirectory(src/drivers)
+
 # Add the rest of the things
 add_subdirectory(data_utils)
 add_subdirectory(model_zoo)

model_zoo/CMakeLists.txt

@@ -1,44 +1,3 @@
-# This executable has to be given a different target name since the
-# library target name is "lbann".
-add_executable(lbann-bin lbann.cpp)
-target_link_libraries(lbann-bin lbann)
-set_target_properties(lbann-bin
-  PROPERTIES
-  OUTPUT_NAME lbann
-  RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
-
-set(LBANN_EXE_TGTS lbann-bin)
-
-set(EXE_SRCS
-  lbann_help.cpp
-  lbann_gan.cpp
-  lbann_cycgan.cpp
-  lbann_aecycgan.cpp
-  lbann_inf.cpp)
-foreach (_src IN LISTS EXE_SRCS)
-  get_filename_component(TGT_NAME "${_src}" NAME_WE)
-  string(REPLACE "_" "-" TGT_NAME "${TGT_NAME}")
-
-  add_executable(${TGT_NAME} "${_src}")
-  target_link_libraries(${TGT_NAME} lbann)
-  set_target_properties(${TGT_NAME}
-    PROPERTIES
-    RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
-
-  list(APPEND LBANN_EXE_TGTS ${TGT_NAME})
-endforeach ()
-
-# Install the binaries
-install(
-  TARGETS lbann-bin lbann-gan lbann-cycgan lbann-aecycgan
-  lbann-help lbann-inf
-  EXPORT LBANNTargets
-  RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
-  ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
-  LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
-  INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
-  )
-
 # Install the relevant prototext
 install(FILES README.md DESTINATION ${CMAKE_INSTALL_DATADIR}/model_zoo)
 install(DIRECTORY data_readers models optimizers tests