C++学习（三五二）未找到框架“.NETFramework,Version=v4.0”的引用程序集

C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\MSBuild\15.0\Bin\Microsoft.Common.CurrentVersion.targets(1179,5): error MSB3644: 未找到框架“.NETFramework,Version=v4.0”的引用程序集。若要解决此问题，请安装此框架版本的 SDK 或 Targeting Pack，或将应用程序的目标重新指向已装有 SDK 或 Targeting Pack 的框架版本。请注意，将从全局程序集缓存(GAC)解析程序集，并将使用这些程序集替换引用程序集。因此，程序集的目标可能未正确指向您所预期的框架。

项目类型是makefile，改为application则不会出现该问题。

gdal_vs2017.vcxproj

C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\Common7\IDE\VC\VCTargets\Microsoft.Cpp.targets

C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\Common7\IDE\VC\VCTargets\Microsoft.Cpp.Current.targets，分歧发生在这里

<Import Condition="'$(ConfigurationType)' != 'Makefile'" Project="$(_PlatformFolder)\Platform.targets"/>

<Import Condition="'$(ConfigurationType)' == 'Makefile'" Project="$(VCTargetsPath)\Microsoft.MakeFile.Targets"/>

C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\Common7\IDE\VC\VCTargets\Microsoft.MakeFile.targets

C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\MSBuild\15.0\Bin\Microsoft.Common.targets

C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\MSBuild\15.0\Bin\Microsoft.Common.CurrentVersion.targets，问题出现在这里

<GetReferenceAssemblyPaths
        Condition="'$(TargetFrameworkMoniker)' != '' and ('$(_TargetFrameworkDirectories)' == '' or '$(_FullFrameworkReferenceAssemblyPaths)' == '')"
        TargetFrameworkMoniker="$(TargetFrameworkMoniker)"
        RootPath="$(TargetFrameworkRootPath)"
        TargetFrameworkFallbackSearchPaths="$(TargetFrameworkFallbackSearchPaths)"
        BypassFrameworkInstallChecks="$(BypassFrameworkInstallChecks)"
        >
      <Output TaskParameter="ReferenceAssemblyPaths" PropertyName="_TargetFrameworkDirectories"/>
      <Output TaskParameter="FullFrameworkReferenceAssemblyPaths" PropertyName="_FullFrameworkReferenceAssemblyPaths"/>
      <Output TaskParameter="TargetFrameworkMonikerDisplayName" PropertyName="TargetFrameworkMonikerDisplayName" Condition="'$(TargetFrameworkMonikerDisplayName)' == ''"/>
    </GetReferenceAssemblyPaths>

根本问题在这里：

<PropertyGroup Condition="'$(TargetRuntime)' == ''">
    <TargetRuntime>Managed</TargetRuntime>
</PropertyGroup>

TargetRuntime的取值为Managed、Native、AppHost，

解决办法，在gdal_vs2017.vcxproj增加一行<TargetRuntime>Native</TargetRuntime>

<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
    <ConfigurationType>Makefile</ConfigurationType>
    <UseDebugLibraries>true</UseDebugLibraries>
    <PlatformToolset>v141</PlatformToolset>
    <CLRSupport>false</CLRSupport>
	<TargetRuntime>Native</TargetRuntime>
  </PropertyGroup>

非clr项目不允许设置.NETFramework