add initial CMake and Visual Studio build support

This moves the compatibility include files from include to
include/compat so we can use the awful MS C compiler
<../include/> trick to emulate the GNU #include_next extension.

This also removes a few old compat files we do not need anymore.

1 files changed, 10 insertions, 0 deletions

diff --git a/include/compat/sys/select.h b/include/compat/sys/select.h
new file mode 100644
index 0000000..5ca0ea1
--- /dev/null
+++ b/include/compat/sys/select.h
@@ -0,0 +1,10 @@
+/*
+ * Public domain
+ * sys/select.h compatibility shim
+ */
+
+#ifndef _WIN32
+#include_next <sys/select.h>
+#else
+#include <win32netcompat.h>
+#endif