确保支持VS2017

README.md

@@ -8,10 +8,10 @@
 	Windows: 使用VS2017/VS2019/clang 9 编译
 	Android: 使用NDK 20.1 自带的clang编译
 	Mac: 使用XCode 11.2.1 自带的apple-clang编译
-	Ubuntu: 使用GCC 10.0.1编译（2020-04-18：mutex ranged lock failed）
+	Ubuntu: 使用GCC 10.0.1/clang 9 编译（2020-04-18：mutex ranged lock failed）
 	
 	注意：GCC 10.0.1在C++ Coroutines上存在很多BUG，并且缺少对应的头文件。
-	当前阶段不推荐使用。
+	当前阶段不推荐使用GCC。
 
 librf有以下特点：
 

tutorial/gcc_bugs.cpp

@@ -92,6 +92,7 @@ static void gcc_bugs_lambda_coroutines2()
 		{
 			co_await(head << 0);
 			intptr_t value = co_await tail;
+			(void)value;
 		}
 	};	//internal compiler error: in captures_temporary, at cp/coroutines.cc:2716
 #endif

vs_proj/librf.vcxproj

@@ -23,18 +23,18 @@
     <ProjectGuid>{C1D4A6BD-592F-4E48-8178-7C87219BF80E}</ProjectGuid>
     <Keyword>Win32Proj</Keyword>
     <RootNamespace>librf</RootNamespace>
-    <WindowsTargetPlatformVersion>10.0.18362.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
-    <PlatformToolset>v142</PlatformToolset>
+    <PlatformToolset>ClangCL</PlatformToolset>
     <UseDebugLibraries>true</UseDebugLibraries>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v142</PlatformToolset>
+    <PlatformToolset>ClangCL</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>NotSet</CharacterSet>
   </PropertyGroup>
@@ -90,7 +90,7 @@
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <LanguageStandard>stdcpplatest</LanguageStandard>
       <OmitFramePointers />
-      <DisableSpecificWarnings>4834</DisableSpecificWarnings>
+      <DisableSpecificWarnings>4834;4505</DisableSpecificWarnings>
       <SDLCheck>true</SDLCheck>
       <StringPooling>true</StringPooling>
     </ClCompile>
@@ -110,7 +110,7 @@
       <LanguageStandard>stdcpplatest</LanguageStandard>
       <CLanguageStandard>c11</CLanguageStandard>
       <CppLanguageStandard>c++1y</CppLanguageStandard>
-      <DisableSpecificWarnings>4834</DisableSpecificWarnings>
+      <DisableSpecificWarnings>4834;4505</DisableSpecificWarnings>
       <EnableEnhancedInstructionSet>AdvancedVectorExtensions2</EnableEnhancedInstructionSet>
     </ClCompile>
     <Link>
@@ -135,6 +135,7 @@
       <OmitFramePointers>true</OmitFramePointers>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <BufferSecurityCheck>false</BufferSecurityCheck>
+      <DisableSpecificWarnings>4834;4505</DisableSpecificWarnings>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -165,6 +166,7 @@
       <EnableFiberSafeOptimizations>true</EnableFiberSafeOptimizations>
       <BufferSecurityCheck>false</BufferSecurityCheck>
       <EnableParallelCodeGeneration>true</EnableParallelCodeGeneration>
+      <DisableSpecificWarnings>4834;4505</DisableSpecificWarnings>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>