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-rw-r--r--libbutl/utility.cxx28
1 files changed, 26 insertions, 2 deletions
diff --git a/libbutl/utility.cxx b/libbutl/utility.cxx
index 8ce2cbc..c8e4e85 100644
--- a/libbutl/utility.cxx
+++ b/libbutl/utility.cxx
@@ -2,15 +2,39 @@
// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
-#include <libbutl/utility.hxx>
+#ifndef __cpp_modules
+#include <libbutl/utility.mxx>
+#endif
#ifdef _WIN32
-# include <libbutl/win32-utility.hxx>
+#include <libbutl/win32-utility.hxx>
#endif
+#ifndef __cpp_lib_modules
#include <string>
+#include <cstddef>
+#include <utility>
+
#include <ostream>
#include <system_error>
+#endif
+
+#include <libbutl/ft/lang.hxx>
+#include <libbutl/ft/exception.hxx>
+
+#ifdef __cpp_modules
+module butl.utility;
+
+// Only imports additional to interface.
+#ifdef __clang__
+#ifdef __cpp_lib_modules
+import std.core;
+import std.io;
+#endif
+#endif
+
+#endif
+
namespace butl
{