From c09cd7512491cee1e82c1ad8128ce9fd4bc3f79b Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 22 Sep 2017 23:32:28 +0200
Subject: Initial modularization with both Clang and VC hacks

Note: gave up on VC about half way though.
---
 libbutl/export.hxx | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

(limited to 'libbutl/export.hxx')

diff --git a/libbutl/export.hxx b/libbutl/export.hxx
index 5c59539..82e06cb 100644
--- a/libbutl/export.hxx
+++ b/libbutl/export.hxx
@@ -2,12 +2,11 @@
 // copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
 // license   : MIT; see accompanying LICENSE file
 
-#ifndef LIBBUTL_EXPORT_HXX
-#define LIBBUTL_EXPORT_HXX
+#pragma once
 
-// If we are compiling a module interface, setup the module export.
+// If modules are available, setup the module export.
 //
-#ifdef LIBBUTL_MODULE_BUILD
+#ifdef __cpp_modules
 #  define LIBBUTL_MODEXPORT export
 #else
 #  define LIBBUTL_MODEXPORT
@@ -45,5 +44,3 @@
 //
 #  define LIBBUTL_SYMEXPORT         // Using static or shared.
 #endif
-
-#endif // LIBBUTL_EXPORT_HXX
-- 
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