From 5e51d523e71231cb190e9ed981962df527f4ee7e Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Sun, 4 Apr 2021 13:11:56 +0200
Subject: Add base functionality for hermetic build configurations

---
 libbuild2/config/functions.cxx | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'libbuild2/config/functions.cxx')

diff --git a/libbuild2/config/functions.cxx b/libbuild2/config/functions.cxx
index 5e85238..398512c 100644
--- a/libbuild2/config/functions.cxx
+++ b/libbuild2/config/functions.cxx
@@ -7,6 +7,7 @@
 #include <libbuild2/function.hxx>
 #include <libbuild2/variable.hxx>
 
+#include <libbuild2/config/module.hxx>
 #include <libbuild2/config/operation.hxx>
 
 using namespace std;
@@ -39,6 +40,11 @@ namespace build2
         if (s == nullptr)
           fail << "config.save() called out of project" << endf;
 
+        module* mod (s->find_module<module> (module::name));
+
+        if (mod == nullptr)
+          fail << "config.save() called without config module";
+
         ostringstream os;
 
         // Empty project set should is ok as long as inherit is false.
@@ -47,6 +53,7 @@ namespace build2
         save_config (*s,
                      os, path_name ("config.save()"),
                      false /* inherit */,
+                     *mod,
                      ps);
 
         return os.str ();
-- 
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