add WITH_DOC for print_operators_doc

luotao1 · luotao1 · commit 4c95301e98eb · 2017-11-30T16:55:00.000+08:00
diff --git a/paddle/pybind/CMakeLists.txt b/paddle/pybind/CMakeLists.txt
@@ -5,4 +5,6 @@ if(WITH_PYTHON)
     ${GLOB_OP_LIB})
 endif(WITH_PYTHON)
 
-cc_binary(print_operators_doc SRCS print_operators_doc.cc DEPS ${GLOB_OP_LIB})
+if(WITH_DOC)
+  cc_binary(print_operators_doc SRCS print_operators_doc.cc DEPS ${GLOB_OP_LIB})
+endif(WITH_DOC)
