Squashed 'libs/libzmq/' content from commit 2b2fb9c7

git-subtree-dir: libs/libzmq
git-subtree-split: 2b2fb9c7082dbc16c1323b97040a4edcfa2b997b

builds/deprecated-msvc/platform.hpp

@@ -0,0 +1,14 @@
+#ifndef __PLATFORM_HPP_INCLUDED__
+#define __PLATFORM_HPP_INCLUDED__
+
+#define ZMQ_HAVE_WINDOWS
+
+// MSVC build configuration is controlled via options exposed in the Visual
+// Studio user interface. The option to use libsodium is not exposed in the
+// user interface unless a sibling `libsodium` directory to that of this
+// repository exists and contains the following files:
+//
+// \builds\msvc\vs2015\libsodium.import.props
+// \builds\msvc\vs2015\libsodium.import.xml
+
+#endif