Initial modularization with both Clang and VC hacks

Note: gave up on VC about half way though.

2 files changed, 28 insertions, 6 deletions

diff --git a/tests/wildcard/buildfile b/tests/wildcard/buildfile
index fc8e94b..90e8b58 100644
--- a/tests/wildcard/buildfile
+++ b/tests/wildcard/buildfile
@@ -4,4 +4,10 @@
 
 import libs = libbutl%lib{butl}
 
+if ($cxx.features.modules && ($force_std_modules == true || $cxx.id != 'msvc'))
+{
+  import libs += libstd-modules%liba{std-modules}
+  cxx.poptions += -D__cpp_lib_modules
+}
+
 exe{driver}: {hxx cxx}{*} $libs test{testscript}
diff --git a/tests/wildcard/driver.cxx b/tests/wildcard/driver.cxx
index 502726f..d95d7cd 100644
--- a/tests/wildcard/driver.cxx
+++ b/tests/wildcard/driver.cxx
@@ -2,18 +2,34 @@
 // copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
 // license   : MIT; see accompanying LICENSE file
 
+#include <cassert>
+
+#ifndef __cpp_lib_modules
 #include <map>
 #include <string>
 #include <vector>
-#include <cassert>
-#include <iostream>
 #include <algorithm> // sort()
 #include <exception>
+#include <iostream>
+#endif
+
+// Other includes.
 
-#include <libbutl/path.hxx>
-#include <libbutl/utility.hxx>    // operator<<(ostream, exception)
-#include <libbutl/optional.hxx>
-#include <libbutl/filesystem.hxx>
+#ifdef __cpp_modules
+#ifdef __cpp_lib_modules
+import std.core;
+import std.io;
+#endif
+import butl.path;
+import butl.utility;    // operator<<(ostream, exception)
+import butl.optional;
+import butl.filesystem;
+#else
+#include <libbutl/path.mxx>
+#include <libbutl/utility.mxx>
+#include <libbutl/optional.mxx>
+#include <libbutl/filesystem.mxx>
+#endif
 
 using namespace std;
 using namespace butl;