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-rw-r--r--build2/config/utility10
1 files changed, 8 insertions, 2 deletions
diff --git a/build2/config/utility b/build2/config/utility
index 6c18715..e4e463d 100644
--- a/build2/config/utility
+++ b/build2/config/utility
@@ -44,6 +44,8 @@ namespace build2
bool override = false,
uint64_t save_flags = 0);
+ // Note that the variable is expected to have already been registered.
+ //
template <typename T>
inline pair<lookup, bool>
required (scope& root,
@@ -76,6 +78,8 @@ namespace build2
pair<lookup, bool>
omitted (scope& root, const variable&);
+ // Note that the variable is expected to have already been registered.
+ //
inline pair<lookup, bool>
omitted (scope& root, const string& name)
{
@@ -91,10 +95,12 @@ namespace build2
lookup
optional (scope& root, const variable&);
+ // Note that the variable is expected to have already been registered.
+ //
inline lookup
- optional (scope& root, const string& var)
+ optional (scope& root, const string& name)
{
- return optional (root, var_pool[var]);
+ return optional (root, var_pool[name]);
}
// Check whether there are any variables specified from the config