From 4ef3bc602fbbf45eccf21789f3eff2776b58a78b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=93=D0=B5=D1=80=D1=85=D0=B0=D1=80=D0=B4=20PICCORO=20Len?=
 =?UTF-8?q?z=20McKAY?= <mckaygerhard@gmail.com>
Date: Mon, 29 Nov 2021 09:31:32 -0400
Subject: [PATCH] set C++11/C++0X depends on compiler

* almost the last changes need c++11 standard, this is c++0x in olders
* build in jsoncpp need it to compile
---
 src/CMakeLists.txt | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 874289db0..9bc8c1bdf 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -695,7 +695,12 @@ if(MSVC)
 	set(CMAKE_C_FLAGS_RELEASE "/O2 /Ob2 /MD")
 else()
 	# GCC or compatible compilers such as Clang
-	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
+	if (CMAKE_COMPILER_IS_GNUCC AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.7)
+		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")
+	else()
+		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
+	endif()
+
 	if(WARN_ALL)
 		set(RELEASE_WARNING_FLAGS "-Wall")
 	else()