This fixes MSVS 2013 compilation.

 * Tools version changed to 12
 * Added comp.c/h and compat.c/h to project files
 * Workaround for missing __attribute__ support

Also, as a preparation for MSVS2015, ensured that snprintf is not defined
for that VS version.
Acked-by: Gert Doering <gert@greenie.muc.de>
Message-Id: <1443786401-30416-1-git-send-email-lstipakov@gmail.com>
URL: http://article.gmane.org/gmane.network.openvpn.devel/10174

Signed-off-by: Gert Doering <gert@greenie.muc.de>

2 files changed, 9 insertions, 2 deletions

diff --git a/src/openvpn/openvpn.vcxproj b/src/openvpn/openvpn.vcxproj
index 3b2340e..b117b0b 100755
--- a/src/openvpn/openvpn.vcxproj
+++ b/src/openvpn/openvpn.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -20,10 +20,12 @@
     <ConfigurationType>Application</ConfigurationType>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
@@ -100,6 +102,8 @@
     <ClCompile Include="base64.c" />
     <ClCompile Include="buffer.c" />
     <ClCompile Include="clinat.c" />
+    <ClCompile Include="comp.c" />
+    <ClCompile Include="compstub.c" />
     <ClCompile Include="console.c" />
     <ClCompile Include="crypto.c" />
     <ClCompile Include="crypto_openssl.c" />
@@ -168,6 +172,8 @@
     <ClInclude Include="buffer.h" />
     <ClInclude Include="circ_list.h" />
     <ClInclude Include="clinat.h" />
+    <ClInclude Include="comp.h" />
+    <ClInclude Include="compstub.h" />
     <ClInclude Include="common.h" />
     <ClInclude Include="console.h" />
     <ClInclude Include="crypto.h" />
@@ -260,4 +266,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/src/openvpn/syshead.h b/src/openvpn/syshead.h
index ba3b7e4..3aa5c5f 100644
--- a/src/openvpn/syshead.h
+++ b/src/openvpn/syshead.h
@@ -47,6 +47,7 @@
 
 #ifdef _MSC_VER // Visual Studio
 #define __func__ __FUNCTION__
+#define __attribute__(x)
 #endif
 
 #if defined(__APPLE__)