From 289e5aa4edff6f58df0f256bbe3f4a11e60a638a Mon Sep 17 00:00:00 2001
From: Stefano Avallone <stavallo@unina.it>
Date: Tue, 14 Sep 2021 16:43:01 +0200
Subject: [PATCH] Switch to C++17 standard by default

---
 CHANGES.html | 2 +-
 wscript      | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/CHANGES.html b/CHANGES.html
index 7420262f4..6e6535832 100644
--- a/CHANGES.html
+++ b/CHANGES.html
@@ -68,7 +68,7 @@ us a note on ns-developers mailing list.</p>
 </ul>
 <h2>Changes to build system:</h2>
 <ul>
-<li></li>
+<li>The default C++ standard is now C++17.</li>
 </ul>
 <h2>Changed behavior:</h2>
 <ul>
diff --git a/wscript b/wscript
index 112b48943..1e9c4d9b1 100644
--- a/wscript
+++ b/wscript
@@ -32,8 +32,8 @@ modules_enabled  = ['all_modules']
 examples_enabled = False
 tests_enabled    = False
 
-# GCC minimum version requirements for C++11 support
-gcc_min_version = (4, 9, 2)
+# GCC minimum version requirements for C++17 support
+gcc_min_version = (7, 0, 0)
 
 # Bug 2181:  clang warnings about unused local typedefs and potentially
 # evaluated expressions affecting darwin clang/LLVM version 7.0.0 (Xcode 7)
@@ -735,7 +735,7 @@ def configure(conf):
         cxx_standard = Options.options.cxx_standard
         # No need to change CXXFLAGS
     elif not cxx_standard and not Options.options.cxx_standard:
-        cxx_standard = "-std=c++11"
+        cxx_standard = "-std=c++17"
         env.append_value('CXXFLAGS', cxx_standard)
 
     if not conf.check_compilation_flag(cxx_standard):