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/c/init.cxx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'build2/c')

diff --git a/build2/c/init.cxx b/build2/c/init.cxx
index dbaff78..438cd3b 100644
--- a/build2/c/init.cxx
+++ b/build2/c/init.cxx
@@ -164,6 +164,7 @@ namespace build2
         v.insert<string>  ("config.c.id",       true),
         v.insert<string>  ("config.c.version",  true),
         v.insert<string>  ("config.c.target",   true),
+        v.insert<string>  ("config.c.std",      true),
         v.insert<strings> ("config.c.poptions", true),
         v.insert<strings> ("config.c.coptions", true),
         v.insert<strings> ("config.c.loptions", true),
@@ -174,6 +175,7 @@ namespace build2
         v.insert<dir_paths>    ("c.sys_lib_dirs"),
         v.insert<dir_paths>    ("c.sys_inc_dirs"),
 
+        v.insert<string>       ("c.std", variable_visibility::project),
         v.insert<strings>      ("c.poptions"),
         v.insert<strings>      ("c.coptions"),
         v.insert<strings>      ("c.loptions"),
@@ -208,8 +210,6 @@ namespace build2
         v.insert<string>   ("c.preprocessed"), // See cxx.preprocessed.
         nullptr,                               // No __symexport (no modules).
 
-        v.insert<string>   ("c.std", variable_visibility::project),
-
         v.insert<string>   ("c.id"),
         v.insert<string>   ("c.id.type"),
         v.insert<string>   ("c.id.variant"),
-- 
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