Merge pull request #14392 from taosdata/fix/ZhiqiangWang/TD-16357-support-gcc4.8-compile

os: support-gcc4.8-compile

cmake/cmake.options

@@ -52,12 +52,22 @@ IF(${TD_WINDOWS})
         ON
     )
 ELSE ()
-
+    include(CheckCXXCompilerFlag)
+    CHECK_CXX_COMPILER_FLAG("-std=c++13" COMPILER_SUPPORTS_CXX13)
+    IF(${COMPILER_SUPPORTS_CXX13})
+        add_definitions(-DCOMPILER_SUPPORTS_CXX13)
         option(
             BUILD_TEST
             "If build unit tests using googletest"
             ON
         )
+    ELSE ()
+        option(
+            BUILD_TEST
+            "If build unit tests using googletest"
+            OFF
+        )
+    ENDIF ()
 ENDIF ()
 
 option(

source/libs/qcom/src/querymsg.c

@@ -20,7 +20,9 @@
 #include "systable.h"
 
 #pragma GCC diagnostic push
+#ifdef COMPILER_SUPPORTS_CXX13
 #pragma GCC diagnostic ignored "-Wformat-truncation"
+#endif
 
 int32_t (*queryBuildMsg[TDMT_MAX])(void *input, char **msg, int32_t msgSize, int32_t *msgLen, void*(*mallocFp)(int32_t)) = {0};
 int32_t (*queryProcessMsgRsp[TDMT_MAX])(void *output, char *msg, int32_t msgSize) = {0};