From ac86d9f5dd715af8aeea3a840e7412461f8751f0 Mon Sep 17 00:00:00 2001
From: Andrey Semashev <andrey.semashev@gmail.com>
Date: Sat, 7 Dec 2024 15:11:49 +0300
Subject: [PATCH] Updated cxxstd=latest for gcc and clang.

Recent versions of the compilers support targeting C++26 draft.
---
 src/tools/clang.jam | 3 ++-
 src/tools/gcc.jam   | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/tools/clang.jam b/src/tools/clang.jam
index 221d37d5ef..fa5528b3e6 100644
--- a/src/tools/clang.jam
+++ b/src/tools/clang.jam
@@ -55,7 +55,8 @@ rule init-cxxstd-flags ( toolset : condition * : version )
     local dialects = [ feature.values <cxxstd-dialect> ] ;
     dialects = [ set.difference $(dialects) : gnu iso ] ;
     local std ;
-    if [ version-ge $(version) : 12.0 ] { std = 2b ; }
+    if [ version-ge $(version) : 17.0 ] { std = 26 ; }
+    else if [ version-ge $(version) : 12.0 ] { std = 2b ; }
     else if [ version-ge $(version) : 10.0 ] { std = 20 ; }
     else if [ version-ge $(version) : 6.0 ] { std = 2a ; }
     else if [ version-ge $(version) : 5.0 ] { std = 17 ; }
diff --git a/src/tools/gcc.jam b/src/tools/gcc.jam
index 0c69dbdb72..9b6a4d0692 100644
--- a/src/tools/gcc.jam
+++ b/src/tools/gcc.jam
@@ -449,7 +449,8 @@ local rule compile-link-flags ( * )
     local rule init-cxxstd-flags ( condition * : version )
     {
         local std ;
-        if [ version-ge $(version) : 11 ] { std = 23 ; }
+        if [ version-ge $(version) : 14 ] { std = 26 ; }
+        else if [ version-ge $(version) : 11 ] { std = 23 ; }
         else if [ version-ge $(version) : 10 ] { std = 20 ; }
         else if [ version-ge $(version) : 8 ] { std = 2a ; }
         else if [ version-ge $(version) : 6 ] { std = 17 ; }