Initial modularization with both Clang and VC hacks

Note: gave up on VC about half way though.

1 files changed, 26 insertions, 1 deletions

diff --git a/libbutl/process-run.cxx b/libbutl/process-run.cxx
index 9c857d0..fd8abe3 100644
--- a/libbutl/process-run.cxx
+++ b/libbutl/process-run.cxx
@@ -2,10 +2,35 @@
 // copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
 // license   : MIT; see accompanying LICENSE file
 
-#include <libbutl/process.hxx>
+#ifndef __cpp_modules
+#include <libbutl/process.mxx>
+#endif
 
+// C includes.
+
+#ifndef __cpp_lib_modules
 #include <cstdlib>  // exit()
 #include <iostream> // cerr
+#endif
+
+// Other includes.
+
+#ifdef __cpp_modules
+module butl.process;
+
+// Only imports additional to interface.
+#ifdef __clang__
+#ifdef __cpp_lib_modules
+import std.core;
+import std.io;
+#endif
+import butl.path;
+#endif
+
+import butl.utility; // operator<<(ostream,exception)
+#else
+#include <libbutl/utility.mxx>
+#endif
 
 using namespace std;