From 783ac77767350d0e6a37cc812e727de2c57f789e Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 7 Aug 2017 11:17:52 +0200
Subject: ifdef-out invalid static_assert on Cygwin/MSYS

---
 libbutl/process.cxx | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'libbutl/process.cxx')

diff --git a/libbutl/process.cxx b/libbutl/process.cxx
index 72f18ee..c84cb2a 100644
--- a/libbutl/process.cxx
+++ b/libbutl/process.cxx
@@ -513,10 +513,15 @@ namespace butl
     //
     static const process_exit::status_type status_code (0xFF00);
 
+    // On Cygwin/MSYS WIFEXITED() is not constexpr. So we will just hope
+    // of the best.
+    //
+#if !defined(__MSYS__) && !defined(__CYGWIN__)
     static_assert (WIFEXITED    (status_code) &&
                    WEXITSTATUS  (status_code) == 0xFF &&
                    !WIFSIGNALED (status_code),
                    "unexpected process exit status bits layout");
+#endif
   }
 
   bool process_exit::
-- 
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