From db563ec2cdc02dbc91152037e75167b6a2ddfa57 Mon Sep 17 00:00:00 2001
From: peizhilin <wopeizl@163.com>
Date: Sat, 2 Feb 2019 14:15:17 +0800
Subject: [PATCH] test=develop

---
 paddle/fluid/memory/CMakeLists.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/paddle/fluid/memory/CMakeLists.txt b/paddle/fluid/memory/CMakeLists.txt
index e7268077643..0e9f7042ac0 100644
--- a/paddle/fluid/memory/CMakeLists.txt
+++ b/paddle/fluid/memory/CMakeLists.txt
@@ -1,3 +1,9 @@
+# make the external project built first
+set(PADDLE_MEMORY_BUILD_DIR "${CMAKE_CURRENT_BINARY_DIR}/memory/build")
+add_custom_command(OUTPUT ${PADDLE_MEMORY_BUILD_DIR}/.timestamp
+        COMMAND ${CMAKE_COMMAND} -E touch ${PADDLE_MEMORY_BUILD_DIR}/.timestamp
+        DEPENDS ${external_project_dependencies})
+
 add_subdirectory(detail)
 add_subdirectory(allocation)
 cc_library(malloc SRCS malloc.cc DEPS place enforce allocator_facade)
-- 
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