From: Hong, Yang A <yang.a.hong@intel.com>
Date: Tue, 12 Jul 2022 08:42:05 +0000 (+0000)
Subject: stringop-overflow compatible fix
X-Git-Tag: vectorscan/5.4.10~1^2~2^2~14
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7c1835c0e7c74272b3794afb3fad1eb40c49c98d;p=thirdparty%2Fvectorscan.git

stringop-overflow compatible fix
---

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e08ae48d..d53a7778 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -504,7 +504,9 @@ CHECK_CXX_COMPILER_FLAG("-Wunused-local-typedefs" CXX_UNUSED_LOCAL_TYPEDEFS)
 CHECK_CXX_COMPILER_FLAG("-Wunused-variable" CXX_WUNUSED_VARIABLE)
 
 # gcc 10 complains about this
-if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 10)
+CHECK_C_COMPILER_FLAG("-Wstringop-overflow" CC_STRINGOP_OVERFLOW)
+CHECK_CXX_COMPILER_FLAG("-Wstringop-overflow" CXX_STRINGOP_OVERFLOW)
+if(CC_STRINGOP_OVERFLOW OR CXX_STRINGOP_OVERFLOW)
     set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wno-stringop-overflow")
     set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -Wno-stringop-overflow")
 endif()