8000 msvc: Use single build target for dealing with generated files · micropython/micropython@ffc96a9 · GitHub
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stinosstinos
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msvc: Use single build target for dealing with generated files
Remove some duplication in the code for generating qstrdefs.generated.h and py-version.h
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‎windows/msvc/genhdr.targets

Lines changed: 17 additions & 10 deletions
Original file line numberDiff line numberDiff line change
@@ -7,7 +7,6 @@
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</Target>
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<PropertyGroup>
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<SrcDir>$(PyBaseDir)py\</SrcDir>
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<DestDir>$(PyBuildDir)genhdr\</DestDir>
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</PropertyGroup>
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@@ -18,19 +17,18 @@
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<!--see py/py.mk under #qstr data-->
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<Target Name="MakeQstrData" DependsOnTargets="MakeDestDir">
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<PropertyGroup>
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<PySrcDir>$(PyBaseDir)py\</PySrcDir>
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<PreProc>$(DestDir)qstrdefs.preprocessed.h</PreProc>
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<QstrDefs>$(PyBaseDir)unix\qstrdefsport.h</QstrDefs>
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<DestFile>$(DestDir)qstrdefs.generated.h</DestFile>
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<TmpFile>$(DestFile).tmp</TmpFile>
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</PropertyGroup>
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<ItemGroup>
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<PyIncDirs Include="$(PyIncDirs)"/>
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</ItemGroup>
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<Exec Command="cl /nologo /I@(PyIncDirs, ' /I') /Fi$(PreProc) /P $(SrcDir)qstrdefs.h"/>
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<Exec Command="python $(SrcDir)makeqstrdata.py $(PreProc) $(QstrDefs) > $(DestFile).tmp"/>
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<Exec Command="fc /B $(DestFile).tmp $(DestFile) > NUL 2>&amp;1" IgnoreExitCode="true">
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<Output TaskParameter="ExitCode" PropertyName="FilesDiffer" />
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</Exec>
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<Copy SourceFiles="$(DestFile).tmp" DestinationFiles="$(DestFile)" Condition="'$(FilesDiffer)'!='0'"/>
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<Exec Command="cl /nologo /I@(PyIncDirs, ' /I') /Fi$(PreProc) /P $(PySrcDir)qstrdefs.h"/>
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<Exec Command="python $(PySrcDir)makeqstrdata.py $(PreProc) $(QstrDefs) > $(TmpFile)"/>
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<MSBuild Projects="$(MSBuildThisFileFullPath)" Targets="CopyFileIfDifferent" Properties="SourceFile=$(TmpFile);DestFile=$(DestFile)"/>
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</Target>
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<!--see py/py-version.sh-->
@@ -55,18 +53,27 @@
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</PropertyGroup>
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<PropertyGroup>
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<DestFile>$(DestDir)py-version.h</DestFile>
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<TmpFile>$(DestFile).tmp</TmpFile>
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</PropertyGroup>
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<ItemGroup>
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<Lines Include="// This file was generated by $([System.IO.Path]::GetFileName(`$(MsBuildThisFile)`))"/>
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<Lines Include="#define MICROPY_GIT_TAG &quot;$(GitTag)&quot;"/>
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<Lines Include="#define MICROPY_GIT_HASH &quot;$(GitHash)&quot;"/>
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<Lines Include="#define MICROPY_BUILD_DATE &quot;$([System.DateTime]::Now.ToString(`yyyy-MM-dd`))&quot;"/>
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</ItemGroup>
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<WriteLinesToFile Lines="@(Lines)" File="$(DestFile).tmp" Overwrite="true"/>
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<Exec Command="fc /B $(DestFile).tmp $(DestFile) > NUL 2>&amp;1" IgnoreExitCode="true">
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<WriteLinesToFile Lines="@(Lines)" File="$(TmpFile)" Overwrite="true"/>
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<MSBuild Projects="$(MSBuildThisFileFullPath)" Targets="CopyFileIfDifferent" Properties="SourceFile=$(TmpFile);DestFile=$(DestFile)"/>
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</Target>
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<!--Copies SourceFile to DestFile only if SourceFile's content differs from DestFile's.
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We use this to 'touch' the generated files only when they are really newer
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so a build is only triggered if the generated content actually changed,
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and not just because the file date changed since the last build-->
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<Target Name="CopyFileIfDifferent">
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<Exec Command="fc /B $(SourceFile) $(DestFile) > NUL 2>&amp;1" IgnoreExitCode="true">
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<Output TaskParameter="ExitCode" PropertyName="FilesDiffer" />
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</Exec>
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<Copy SourceFiles="$(DestFile).tmp" DestinationFiles="$(DestFile)" Condition="'$(FilesDiffer)'!='0'"/>
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<Copy SourceFiles="$(SourceFile)" DestinationFiles="$(DestFile)" Condition="'$(FilesDiffer)'!='0'"/>
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</Target>
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</Project>

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