From a8c2fa28947960cce78d905ac9bbcb490ec78382 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 3 May 2019 15:04:46 +0200
Subject: Add config.{c,cxx}.std

These values override {c,cxx}.std specified at the project level. In
particular, this allows us to force a specific standard for all the
projects in a build configuration, for example:

b create: conf/,cc config.cxx=g++ config.cxx.std=experimental
---
 build2/cxx/init.cxx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'build2/cxx')

diff --git a/build2/cxx/init.cxx b/build2/cxx/init.cxx
index 2491d90..ff104d3 100644
--- a/build2/cxx/init.cxx
+++ b/build2/cxx/init.cxx
@@ -389,6 +389,7 @@ namespace build2
         v.insert<string>  ("config.cxx.id",       true),
         v.insert<string>  ("config.cxx.version",  true),
         v.insert<string>  ("config.cxx.target",   true),
+        v.insert<string>  ("config.cxx.std",      true),
         v.insert<strings> ("config.cxx.poptions", true),
         v.insert<strings> ("config.cxx.coptions", true),
         v.insert<strings> ("config.cxx.loptions", true),
@@ -409,6 +410,7 @@ namespace build2
         v.insert<dir_paths>    ("cxx.sys_lib_dirs"),
         v.insert<dir_paths>    ("cxx.sys_inc_dirs"),
 
+        v.insert<string>   ("cxx.std", variable_visibility::project),
         v.insert<strings>  ("cxx.poptions"),
         v.insert<strings>  ("cxx.coptions"),
         v.insert<strings>  ("cxx.loptions"),
@@ -456,8 +458,6 @@ namespace build2
 
         nullptr, // cxx.features.symexport (set in init() below).
 
-        v.insert<string>   ("cxx.std", variable_visibility::project),
-
         v.insert<string>   ("cxx.id"),
         v.insert<string>   ("cxx.id.type"),
         v.insert<string>   ("cxx.id.variant"),
-- 
cgit v1.1