From 11fdb4f041250d906a115c00d4e37b76a4bf8905 Mon Sep 17 00:00:00 2001
From: liaogang <liaogang@baidu.com>
Date: Thu, 2 Mar 2017 16:11:30 +0800
Subject: [PATCH] Check system's protobuf for internal users

---
 cmake/external/protobuf.cmake | 82 ++++++++++++++++++-----------------
 cmake/external/python.cmake   |  4 --
 2 files changed, 43 insertions(+), 43 deletions(-)

diff --git a/cmake/external/protobuf.cmake b/cmake/external/protobuf.cmake
index 84f459033f0..26da7e8e384 100644
--- a/cmake/external/protobuf.cmake
+++ b/cmake/external/protobuf.cmake
@@ -14,46 +14,50 @@
 
 INCLUDE(ExternalProject)
 
-SET(PROTOBUF_SOURCES_DIR ${THIRD_PARTY_PATH}/protobuf)
-SET(PROTOBUF_INSTALL_DIR ${THIRD_PARTY_PATH}/install/protobuf)
-SET(PROTOBUF_INCLUDE_DIR "${PROTOBUF_INSTALL_DIR}/include" CACHE PATH "protobuf include directory." FORCE)
+FIND_PACKAGE(Protobuf)
 
-INCLUDE_DIRECTORIES(${PROTOBUF_INCLUDE_DIR})
+IF(NOT PROTOBUF_FOUND)
+    SET(PROTOBUF_SOURCES_DIR ${THIRD_PARTY_PATH}/protobuf)
+    SET(PROTOBUF_INSTALL_DIR ${THIRD_PARTY_PATH}/install/protobuf)
+    SET(PROTOBUF_INCLUDE_DIR "${PROTOBUF_INSTALL_DIR}/include" CACHE PATH "protobuf include directory." FORCE)
+
+    IF(WIN32)
+        SET(PROTOBUF_LITE_LIBRARY
+            "${PROTOBUF_INSTALL_DIR}/lib/libprotobuf-lite.lib" CACHE FILEPATH "protobuf lite library." FORCE)
+        SET(PROTOBUF_LIBRARY
+            "${PROTOBUF_INSTALL_DIR}/lib/libprotobuf.lib" CACHE FILEPATH "protobuf library." FORCE)
+        SET(PROTOBUF_PROTOC_LIBRARY
+            "${PROTOBUF_INSTALL_DIR}/lib/libprotoc.lib" CACHE FILEPATH "protoc library." FORCE)
+        SET(PROTOBUF_PROTOC_EXECUTABLE "${PROTOBUF_INSTALL_DIR}/bin/protoc.exe" CACHE FILEPATH "protobuf executable." FORCE)
+    ELSE(WIN32)
+        SET(PROTOBUF_LITE_LIBRARY
+            "${PROTOBUF_INSTALL_DIR}/lib/libprotobuf-lite.a" CACHE FILEPATH "protobuf lite library." FORCE)
+        SET(PROTOBUF_LIBRARY
+            "${PROTOBUF_INSTALL_DIR}/lib/libprotobuf.a" CACHE FILEPATH "protobuf library." FORCE)
+        SET(PROTOBUF_PROTOC_LIBRARY
+            "${PROTOBUF_INSTALL_DIR}/lib/libprotoc.a" CACHE FILEPATH "protoc library." FORCE)
+        SET(PROTOBUF_PROTOC_EXECUTABLE "${PROTOBUF_INSTALL_DIR}/bin/protoc" CACHE FILEPATH "protobuf executable." FORCE)
+    ENDIF(WIN32)
 
-IF(WIN32)
-  SET(PROTOBUF_LITE_LIBRARY
-        "${PROTOBUF_INSTALL_DIR}/lib/libprotobuf-lite.lib" CACHE FILEPATH "protobuf lite library." FORCE)
-  SET(PROTOBUF_LIBRARY
-        "${PROTOBUF_INSTALL_DIR}/lib/libprotobuf.lib" CACHE FILEPATH "protobuf library." FORCE)
-  SET(PROTOBUF_PROTOC_LIBRARY
-        "${PROTOBUF_INSTALL_DIR}/lib/libprotoc.lib" CACHE FILEPATH "protoc library." FORCE)
-  SET(PROTOBUF_PROTOC_EXECUTABLE "${PROTOBUF_INSTALL_DIR}/bin/protoc.exe" CACHE FILEPATH "protobuf executable." FORCE)
-ELSE(WIN32)
-  SET(PROTOBUF_LITE_LIBRARY
-        "${PROTOBUF_INSTALL_DIR}/lib/libprotobuf-lite.a" CACHE FILEPATH "protobuf lite library." FORCE)
-  SET(PROTOBUF_LIBRARY
-        "${PROTOBUF_INSTALL_DIR}/lib/libprotobuf.a" CACHE FILEPATH "protobuf library." FORCE)
-  SET(PROTOBUF_PROTOC_LIBRARY
-        "${PROTOBUF_INSTALL_DIR}/lib/libprotoc.a" CACHE FILEPATH "protoc library." FORCE)
-  SET(PROTOBUF_PROTOC_EXECUTABLE "${PROTOBUF_INSTALL_DIR}/bin/protoc" CACHE FILEPATH "protobuf executable." FORCE)
-ENDIF(WIN32)
+    ExternalProject_Add(
+        protobuf
+        ${EXTERNAL_PROJECT_LOG_ARGS}
+        PREFIX          ${PROTOBUF_SOURCES_DIR}
+        UPDATE_COMMAND  ""
+        DEPENDS         zlib
+        GIT_REPOSITORY  "https://github.com/google/protobuf.git"
+        GIT_TAG         "9f75c5aa851cd877fb0d93ccc31b8567a6706546"
+        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}
+        -DCMAKE_INSTALL_LIBDIR=lib
+    )
 
-ExternalProject_Add(
-  protobuf
-  ${EXTERNAL_PROJECT_LOG_ARGS}
-  PREFIX          ${PROTOBUF_SOURCES_DIR}
-  UPDATE_COMMAND  ""
-  DEPENDS         zlib
-  GIT_REPOSITORY  "https://github.com/google/protobuf.git"
-  GIT_TAG         "9f75c5aa851cd877fb0d93ccc31b8567a6706546"
-  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}
-    -DCMAKE_INSTALL_LIBDIR=lib
-)
+    LIST(APPEND external_project_dependencies protobuf)
+ENDIF(NOT PROTOBUF_FOUND)
 
-LIST(APPEND external_project_dependencies protobuf)
+INCLUDE_DIRECTORIES(${PROTOBUF_INCLUDE_DIR})
diff --git a/cmake/external/python.cmake b/cmake/external/python.cmake
index 6372a9a768e..0accf1a8dd8 100644
--- a/cmake/external/python.cmake
+++ b/cmake/external/python.cmake
@@ -221,7 +221,3 @@ ENDIF(PYTHONLIBS_FOUND AND PYTHONINTERP_FOUND)
 
 INCLUDE_DIRECTORIES(${PYTHON_INCLUDE_DIR})
 INCLUDE_DIRECTORIES(${PYTHON_NUMPY_INCLUDE_DIR})
-
-MESSAGE("[Paddle] Python Executable: ${PYTHON_EXECUTABLE}")
-MESSAGE("[Paddle] Python Include: ${PYTHON_INCLUDE_DIRS}")
-MESSAGE("[Paddle] Python Libraries: ${PYTHON_LIBRARIES}")
-- 
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