From: Dave Wallace <dwallacelf@gmail.com>
Date: Thu, 25 Aug 2022 21:42:24 +0000 (-0400)
Subject: build: disable gcc warning stringop-overflow for gcc-10 or greater
X-Git-Tag: v23.02-rc0~70
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=000a4ebed7d4097b88869a336a311f49873f8cf7;p=vpp.git

build: disable gcc warning stringop-overflow for gcc-10 or greater

- this warning causes build errors with gcc on ubuntu 22.04

Type: make

Change-Id: Id8f6ab44b2315ce8a4564ea924d799ecb6f57fdf
Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
---

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 2fb0703e174..fb4463e332e 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -55,6 +55,10 @@ elseif(CMAKE_C_COMPILER_ID STREQUAL "GNU")
   if (CMAKE_C_COMPILER_VERSION VERSION_LESS MIN_SUPPORTED_GNU_C_COMPILER_VERSION)
     set(COMPILER_TOO_OLD TRUE)
   endif()
+  set(GCC_STRING_OVERFLOW_WARNING_DISABLE_VERSION 10.0.0)
+  if (CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL GCC_STRING_OVERFLOW_WARNING_DISABLE_VERSION)
+    add_compile_options(-Wno-stringop-overflow)
+  endif()
 else()
   message(WARNING "WARNING: Unsupported C compiler `${CMAKE_C_COMPILER_ID}` is used")
   set (PRINT_MIN_C_COMPILER_VER TRUE)