fix a bug

cmake/generic.cmake

@@ -58,8 +58,10 @@ function(cc_binary TARGET_NAME)
   cmake_parse_arguments(cc_binary "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
   add_executable(${TARGET_NAME} ${cc_binary_SRCS})
   link_paddle_exe(${TARGET_NAME})
-  target_link_libraries(${TARGET_NAME} ${cc_binary_DEPS})
-  add_dependencies(${TARGET_NAME} ${cc_binary_DEPS})
+  if(cc_binary_DEPS)  
+    target_link_libraries(${TARGET_NAME} ${cc_binary_DEPS})
+    add_dependencies(${TARGET_NAME} ${cc_binary_DEPS})
+  endif()
 endfunction(cc_binary)
 
 # The dependency to target tensor implies that if any of
@@ -76,8 +78,10 @@ function(cc_test TARGET_NAME)
   cmake_parse_arguments(cc_test "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
   add_executable(${TARGET_NAME} ${cc_test_SRCS})
   link_paddle_test(${TARGET_NAME})
-  target_link_libraries(${TARGET_NAME} ${cc_test_DEPS})
-  add_dependencies(${TARGET_NAME} ${cc_test_DEPS})
+  if(cc_test_DEPS)
+    target_link_libraries(${TARGET_NAME} ${cc_test_DEPS})
+    add_dependencies(${TARGET_NAME} ${cc_test_DEPS})
+  endif()
   add_test(${TARGET_NAME} ${TARGET_NAME})
 endfunction(cc_test)
 
@@ -109,8 +113,10 @@ function(nv_binary TARGET_NAME)
   cmake_parse_arguments(nv_binary "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
   cuda_add_executable(${TARGET_NAME} ${nv_binary_SRCS})
   link_paddle_exe(${TARGET_NAME})  
-  target_link_libraries(${TARGET_NAME} ${nv_binary_DEPS})
-  add_dependencies(${TARGET_NAME} ${nv_binary_DEPS})
+  if(nv_binary_DEPS)
+    target_link_libraries(${TARGET_NAME} ${nv_binary_DEPS})
+    add_dependencies(${TARGET_NAME} ${nv_binary_DEPS})
+  endif()
 endfunction(nv_binary)
 
 # The dependency to target tensor implies that if any of
@@ -127,7 +133,9 @@ function(nv_test TARGET_NAME)
   cmake_parse_arguments(nv_test "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
   cuda_add_executable(${TARGET_NAME} ${nv_test_SRCS})
   link_paddle_test(${TARGET_NAME})  
-  target_link_libraries(${TARGET_NAME} ${nv_test_DEPS})
-  add_dependencies(${TARGET_NAME} ${nv_test_DEPS})
+  if(nv_test_DEPS)
+    target_link_libraries(${TARGET_NAME} ${nv_test_DEPS})
+    add_dependencies(${TARGET_NAME} ${nv_test_DEPS})
+  endif()
   add_test(${TARGET_NAME} ${TARGET_NAME})
 endfunction(nv_test)