fsharp/buildtools/buildtools.targets

<Project>

  <PropertyGroup>
    <!-- during a regular build `dotnet(.exe)` is expected to be on the path -->
    <DotNetExe Condition="'$(OS)' == 'Unix'">dotnet</DotNetExe>
    <DotNetExe Condition="'$(OS)' != 'Unix'">dotnet.exe</DotNetExe>
    <!-- if already running under dotnet, use that instance -->
    <DotNetExe Condition="'$(DOTNET_HOST_PATH)' != ''">$(DOTNET_HOST_PATH)</DotNetExe>
    <DotNetExePath>$(DotNetExe)</DotNetExePath>

    <!-- this is usually set by Arcade, but non-arcade builds won't have it -->
    <DotNetTool Condition="'$(DotNetTool)' == ''">$(DotNetExePath)</DotNetTool>
  </PropertyGroup>

  <!-- Build FsLex files. -->
  <Target Name="CallFsLex"
          Inputs="@(FsLex)"
          Outputs="@(FsLex->'$(FsLexOutputFolder)%(Filename).fs')"
          Condition="'@(FsLex)'!=''"
          BeforeTargets="CoreCompile">

    <PropertyGroup>
        <FsLexPath Condition="'$(FsLexPath)' == ''">$(ArtifactsDir)\Bootstrap\fslex\fslex.dll</FsLexPath>
    </PropertyGroup>

    <!-- Create the output directory -->
    <MakeDir Directories="$(FsLexOutputFolder)"/>

    <!-- Run the tool -->
    <Exec Command="&quot;$(DotNetTool)&quot; &quot;$(FsLexPath)&quot; -o &quot;$(FsLexOutputFolder)%(FsLex.Filename).fs&quot; %(FsLex.OtherFlags) %(FsLex.Identity)" />

    <!-- Make sure it will get cleaned -->
    <CreateItem Include="$(FsLexOutputFolder)%(FsLex.Filename).fs">
      <Output TaskParameter="Include" ItemName="FsGeneratedSource"/>
      <Output TaskParameter="Include" ItemName="FileWrites"/>
    </CreateItem>
  </Target>

  <!-- Build FsYacc files. -->
  <Target Name="CallFsYacc"
          Inputs="@(FsYacc)"
          Outputs="@(FsYacc->'$(FsYaccOutputFolder)%(Filename).fs')"
          Condition="'@(FsYacc)'!=''"
          BeforeTargets="CoreCompile">

    <PropertyGroup>
        <FsYaccPath Condition="'$(FsYaccPath)' == ''">$(ArtifactsDir)\Bootstrap\fsyacc\fsyacc.dll</FsYaccPath>
    </PropertyGroup>

    <!-- Create the output directory -->
    <MakeDir Directories="$(FsYaccOutputFolder)" />

    <!-- Run the tool -->
    <Exec Command="&quot;$(DotNetTool)&quot; &quot;$(FsYaccPath)&quot; -o &quot;$(FsYaccOutputFolder)%(FsYacc.Filename).fs&quot; %(FsYacc.OtherFlags) %(FsYacc.Identity)" />

    <!-- Make sure it will get cleaned -->
    <CreateItem Include="$(FsYaccOutputFolder)%(FsYacc.Filename).fs">
      <Output TaskParameter="Include" ItemName="FsGeneratedSource"/>
      <Output TaskParameter="Include" ItemName="FileWrites"/>
    </CreateItem>
  </Target>

</Project>