From e282382e78e7381fda85894dc588793185ed77d0 Mon Sep 17 00:00:00 2001
From: albert-github <albert.tests@gmail.com>
Date: Wed, 18 Dec 2019 18:05:08 +0100
Subject: Warning whit Windows compilation using NMake

When using NMake Makefiles on windows we get messages like:
```
D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023\include\vector(960): warning C4530: C++ exception handler used, but unwind semantics are not enabled. Specify /EHsc
```
From the help information of `cl`:
```
/EHs enable C++ EH (no SEH exceptions)
/EHc extern "C" defaults to nothrow
```

Looking at the usage with the `msbuild / vsxproj` type builds (as done on appveyor), here the option `/EHsc` is used.
---
 CMakeLists.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8ab5aa7..472b90f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -70,6 +70,9 @@ if (WIN32)
         set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /bigobj") # needed for language.cpp on 64bit
         add_definitions(-DLIBICONV_STATIC -D_CRT_SECURE_NO_WARNINGS)
     endif()
+    if (CMAKE_GENERATOR MATCHES "NMake Makefiles")
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHsc")
+    endif()
 endif()
 
 if(POLICY CMP0063)
-- 
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