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-rw-r--r--build/config/utility.ixx17
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diff --git a/build/config/utility.ixx b/build/config/utility.ixx
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+// file : build/config/utility.ixx -*- C++ -*-
+// copyright : Copyright (c) 2014-2015 Code Synthesis Ltd
+// license : MIT; see accompanying LICENSE file
+
+namespace build
+{
+ namespace config
+ {
+ template <typename T>
+ inline void
+ append_options (cstrings& args, T& s, const char* var)
+ {
+ if (auto l = s[var])
+ append_options (args, as<strings> (*l));
+ }
+ }
+}