Hotfix/sangshuduo/td 5100 gtest centos (#6780)

* [TD-5100]<fix>: gtest existance detection failed on CentOS.

* detect both shared library and static library.

src/client/tests/CMakeLists.txt

@@ -2,9 +2,10 @@ CMAKE_MINIMUM_REQUIRED(VERSION 2.8)
 PROJECT(TDengine)
 
 FIND_PATH(HEADER_GTEST_INCLUDE_DIR gtest.h /usr/include/gtest /usr/local/include/gtest)
-FIND_LIBRARY(LIB_GTEST_STATIC_DIR libgtest.a /usr/lib/ /usr/local/lib)
+FIND_LIBRARY(LIB_GTEST_STATIC_DIR libgtest.a /usr/lib/ /usr/local/lib /usr/lib64)
+FIND_LIBRARY(LIB_GTEST_SHARED_DIR libgtest.so /usr/lib/ /usr/local/lib /usr/lib64)
 
-IF (HEADER_GTEST_INCLUDE_DIR AND LIB_GTEST_STATIC_DIR)
+IF (HEADER_GTEST_INCLUDE_DIR AND (LIB_GTEST_STATIC_DIR OR LIB_GTEST_SHARED_DIR))
     MESSAGE(STATUS "gTest library found, build unit test")
 
     # GoogleTest requires at least C++11

src/os/tests/CMakeLists.txt

@@ -2,9 +2,10 @@ CMAKE_MINIMUM_REQUIRED(VERSION 2.8)
 PROJECT(TDengine)
 
 FIND_PATH(HEADER_GTEST_INCLUDE_DIR gtest.h /usr/include/gtest /usr/local/include/gtest)
-FIND_LIBRARY(LIB_GTEST_STATIC_DIR libgtest.a /usr/lib/ /usr/local/lib)
+FIND_LIBRARY(LIB_GTEST_STATIC_DIR libgtest.a /usr/lib/ /usr/local/lib /usr/lib64)
+FIND_LIBRARY(LIB_GTEST_SHARED_DIR libgtest.so /usr/lib/ /usr/local/lib /usr/lib64)
 
-IF (HEADER_GTEST_INCLUDE_DIR AND LIB_GTEST_STATIC_DIR)
+IF (HEADER_GTEST_INCLUDE_DIR AND (LIB_GTEST_STATIC_DIR OR LIB_GTEST_SHARED_DIR))
     MESSAGE(STATUS "gTest library found, build unit test")
 
     # GoogleTest requires at least C++11

src/query/tests/CMakeLists.txt

@@ -2,9 +2,10 @@ CMAKE_MINIMUM_REQUIRED(VERSION 2.8)
 PROJECT(TDengine)
 
 FIND_PATH(HEADER_GTEST_INCLUDE_DIR gtest.h /usr/include/gtest /usr/local/include/gtest)
-FIND_LIBRARY(LIB_GTEST_STATIC_DIR libgtest.a /usr/lib/ /usr/local/lib)
+FIND_LIBRARY(LIB_GTEST_STATIC_DIR libgtest.a /usr/lib/ /usr/local/lib /usr/lib64)
+FIND_LIBRARY(LIB_GTEST_SHARED_DIR libgtest.so /usr/lib/ /usr/local/lib /usr/lib64)
 
-IF (HEADER_GTEST_INCLUDE_DIR AND LIB_GTEST_STATIC_DIR)
+IF (HEADER_GTEST_INCLUDE_DIR AND (LIB_GTEST_STATIC_DIR OR LIB_GTEST_SHARED_DIR))
     MESSAGE(STATUS "gTest library found, build unit test")
 
     # GoogleTest requires at least C++11

src/util/tests/CMakeLists.txt

@@ -2,9 +2,10 @@ CMAKE_MINIMUM_REQUIRED(VERSION 2.8)
 PROJECT(TDengine)
 
 FIND_PATH(HEADER_GTEST_INCLUDE_DIR gtest.h /usr/include/gtest /usr/local/include/gtest)
-FIND_LIBRARY(LIB_GTEST_STATIC_DIR libgtest.a /usr/lib/ /usr/local/lib)
+FIND_LIBRARY(LIB_GTEST_STATIC_DIR libgtest.a /usr/lib/ /usr/local/lib /usr/lib64)
+FIND_LIBRARY(LIB_GTEST_SHARED_DIR libgtest.so /usr/lib/ /usr/local/lib /usr/lib64)
 
-IF (HEADER_GTEST_INCLUDE_DIR AND LIB_GTEST_STATIC_DIR)
+IF (HEADER_GTEST_INCLUDE_DIR AND (LIB_GTEST_STATIC_DIR OR LIB_GTEST_SHARED_DIR))
     MESSAGE(STATUS "gTest library found, build unit test")
 
     INCLUDE_DIRECTORIES(${HEADER_GTEST_INCLUDE_DIR})