From f7c8287df9604c176373c819462243644e10c05d Mon Sep 17 00:00:00 2001
From: liujunyi <liujunyi@sjtu.edu.cn>
Date: Sun, 15 Jan 2017 10:32:26 +0800
Subject: [PATCH] add lack dependency to zlib

---
 cmake/external/protobuf.cmake | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cmake/external/protobuf.cmake b/cmake/external/protobuf.cmake
index c0cf2719f9..613614c0e3 100644
--- a/cmake/external/protobuf.cmake
+++ b/cmake/external/protobuf.cmake
@@ -54,6 +54,7 @@ ExternalProject_Add(
   CONFIGURE_COMMAND
     ${CMAKE_COMMAND} ${PROTOBUF_SOURCES_DIR}/src/protobuf/cmake
     -Dprotobuf_BUILD_TESTS=OFF
+    -DZLIB_ROOT:FILEPATH=${ZLIB_ROOT}
     -DCMAKE_POSITION_INDEPENDENT_CODE=ON
     -DCMAKE_BUILD_TYPE=Release
     -DCMAKE_INSTALL_PREFIX=${PROTOBUF_INSTALL_DIR}
-- 
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