Directory.Build.props

<Project>

  <PropertyGroup>
    <TelegramRoot>$(MSBuildThisFileDirectory)</TelegramRoot>
    <!-- Only these consume vcpkg: the two native components link against it, and the app needs
         the runtime DLLs in its output and its package - both builds of it, since Telegram.Modern
         packages the same dependencies. Without it there libvlc loads and then dies, its plugins
         never having been copied. -->
    <TelegramUsesVcpkg Condition="'$(MSBuildProjectName)' == 'Telegram.Native' Or '$(MSBuildProjectName)' == 'Telegram.Native.Calls' Or '$(MSBuildProjectName)' == 'Telegram' Or '$(MSBuildProjectName)' == 'Telegram.Modern' Or '$(MSBuildProjectName)' == 'Telegram.Win32'">true</TelegramUsesVcpkg>
  </PropertyGroup>

  <!-- Where vcpkg lives, in order of preference: an explicit override, the VCPKG_ROOT variable,
       a checkout next to the repository, and finally the copy shipped by Visual Studio's "vcpkg
       package manager" component (read-only, it fetches the registry into %LOCALAPPDATA% itself).
       Nothing here has to be configured for the common layouts. -->
  <PropertyGroup>
    <!-- Repository-wide, not just for the three projects below: `vcpkg integrate install` would
         otherwise pull whichever checkout it points at into every project in the solution.
         Microsoft.Cpp.Common.props imports %LOCALAPPDATA%\vcpkg\vcpkg.user.props unless this is
         set, and it is imported after this file, so setting it here wins. -->
    <VCPkgLocalAppDataDisabled>true</VCPkgLocalAppDataDisabled>
  </PropertyGroup>

  <PropertyGroup Condition="'$(TelegramUsesVcpkg)' == 'true'">
    <VcpkgRoot Condition="'$(VcpkgRoot)' == '' And '$(VCPKG_ROOT)' != ''">$(VCPKG_ROOT)</VcpkgRoot>
    <VcpkgRoot Condition="'$(VcpkgRoot)' == '' And Exists('$(TelegramRoot)..\vcpkg\.vcpkg-root')">$([System.IO.Path]::GetFullPath('$(TelegramRoot)..\vcpkg'))</VcpkgRoot>
    <VcpkgRoot Condition="'$(VcpkgRoot)' == '' And Exists('$(MSBuildExtensionsPath)\..\VC\vcpkg\vcpkg.exe')">$([System.IO.Path]::GetFullPath('$(MSBuildExtensionsPath)\..\VC\vcpkg'))</VcpkgRoot>

    <TelegramVcpkgTriplet Condition="'$(Platform)' == 'x64'">x64-uwp</TelegramVcpkgTriplet>
    <TelegramVcpkgTriplet Condition="'$(Platform)' == 'ARM64'">arm64-uwp</TelegramVcpkgTriplet>

    <!-- Left to itself the MSBuild integration appends the triplet twice (it passes
         vcpkg_installed\<triplet> as the install root and vcpkg creates <triplet> inside it),
         which would not match the layout CMake uses for the TDLib build. Pin it so both land in
         the same tree and openssl is built once. -->
    <VcpkgInstalledDir>$(TelegramRoot)vcpkg_installed\</VcpkgInstalledDir>
    <TelegramVcpkgInstalledDir>$(VcpkgInstalledDir)$(TelegramVcpkgTriplet)\</TelegramVcpkgInstalledDir>
    <TelegramVcpkgBinDir Condition="'$(Configuration)' == 'Debug'">$(TelegramVcpkgInstalledDir)debug\bin\</TelegramVcpkgBinDir>
    <TelegramVcpkgBinDir Condition="'$(TelegramVcpkgBinDir)' == ''">$(TelegramVcpkgInstalledDir)bin\</TelegramVcpkgBinDir>
  </PropertyGroup>

  <PropertyGroup Condition="'$(TelegramUsesVcpkg)' == 'true' And '$(MSBuildProjectExtension)' == '.vcxproj'">
    <VcpkgEnableManifest>true</VcpkgEnableManifest>
    <VcpkgEnableClassic>false</VcpkgEnableClassic>
    <VcpkgManifestRoot>$(TelegramRoot)</VcpkgManifestRoot>

    <!-- The runtime DLLs are declared explicitly in Directory.Build.targets instead. vcpkg's own
         applocal step is skipped whenever the linker does not run — an up-to-date incremental
         build, or a pass that only queries the project for its packaging outputs — and the DLLs
         then go missing from the appx with no error. -->
    <VcpkgApplocalDeps>false</VcpkgApplocalDeps>

    <!-- Autolink puts every .lib in the installed tree on every link line, which since webrtc
         arrived means Telegram.Native scans a 339 MB static library it has no reference into.
         The libraries each project actually needs are listed in Directory.Build.targets. -->
    <VcpkgAutoLink>false</VcpkgAutoLink>
  </PropertyGroup>

  <Import Project="$(VcpkgRoot)\scripts\buildsystems\msbuild\vcpkg.props"
          Condition="'$(TelegramUsesVcpkg)' == 'true' And '$(MSBuildProjectExtension)' == '.vcxproj' And Exists('$(VcpkgRoot)\scripts\buildsystems\msbuild\vcpkg.props')" />

</Project>