update ceph source to reef 18.1.2

[ceph.git] / ceph / src / boost / libs / math / config / is_cygwin_run.cpp

diff --git a/ceph/src/boost/libs/math/config/is_cygwin_run.cpp b/ceph/src/boost/libs/math/config/is_cygwin_run.cpp
new file mode 100644 (file)
index 0000000..d314ac3
--- /dev/null
+++ b/ceph/src/boost/libs/math/config/is_cygwin_run.cpp
@@ -0,0 +1,13 @@
+//  Copyright Matt Borland 2022.
+//  Use, modification and distribution are subject to the
+//  Boost Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#ifndef __CYGWIN__
+# error "Cygwin run is NOT in effect".
+#endif
+
+int main()
+{
+   return 0;
+}