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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
This commit is contained in:
stijn 2015-01-02 16:31:49 +01:00
parent fbfd3554fa
commit ffc96a901a
1 changed files with 17 additions and 10 deletions
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27
windows/msvc/genhdr.targets
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@ -7,7 +7,6 @@
</Target>
<PropertyGroup>
<SrcDir>$(PyBaseDir)py\</SrcDir>
<DestDir>$(PyBuildDir)genhdr\</DestDir>
</PropertyGroup>
@ -18,19 +17,18 @@
<!--see py/py.mk under #qstr data-->
<Target Name="MakeQstrData" DependsOnTargets="MakeDestDir">
<PropertyGroup>
<PySrcDir>$(PyBaseDir)py\</PySrcDir>
<PreProc>$(DestDir)qstrdefs.preprocessed.h</PreProc>
<QstrDefs>$(PyBaseDir)unix\qstrdefsport.h</QstrDefs>
<DestFile>$(DestDir)qstrdefs.generated.h</DestFile>
<TmpFile>$(DestFile).tmp</TmpFile>
</PropertyGroup>
<ItemGroup>
<PyIncDirs Include="$(PyIncDirs)"/>
</ItemGroup>
<Exec Command="cl /nologo /I@(PyIncDirs, ' /I') /Fi$(PreProc) /P $(SrcDir)qstrdefs.h"/>
<Exec Command="python $(SrcDir)makeqstrdata.py $(PreProc) $(QstrDefs) > $(DestFile).tmp"/>
<Exec Command="fc /B $(DestFile).tmp $(DestFile) > NUL 2>&amp;1" IgnoreExitCode="true">
<Output TaskParameter="ExitCode" PropertyName="FilesDiffer" />
</Exec>
<Copy SourceFiles="$(DestFile).tmp" DestinationFiles="$(DestFile)" Condition="'$(FilesDiffer)'!='0'"/>
<Exec Command="cl /nologo /I@(PyIncDirs, ' /I') /Fi$(PreProc) /P $(PySrcDir)qstrdefs.h"/>
<Exec Command="python $(PySrcDir)makeqstrdata.py $(PreProc) $(QstrDefs) > $(TmpFile)"/>
<MSBuild Projects="$(MSBuildThisFileFullPath)" Targets="CopyFileIfDifferent" Properties="SourceFile=$(TmpFile);DestFile=$(DestFile)"/>
</Target>
<!--see py/py-version.sh-->
@ -55,6 +53,7 @@
</PropertyGroup>
<PropertyGroup>
<DestFile>$(DestDir)py-version.h</DestFile>
<TmpFile>$(DestFile).tmp</TmpFile>
</PropertyGroup>
<ItemGroup>
<Lines Include="// This file was generated by $([System.IO.Path]::GetFileName(`$(MsBuildThisFile)`))"/>
@ -62,11 +61,19 @@
<Lines Include="#define MICROPY_GIT_HASH &quot;$(GitHash)&quot;"/>
<Lines Include="#define MICROPY_BUILD_DATE &quot;$([System.DateTime]::Now.ToString(`yyyy-MM-dd`))&quot;"/>
</ItemGroup>
<WriteLinesToFile Lines="@(Lines)" File="$(DestFile).tmp" Overwrite="true"/>
<Exec Command="fc /B $(DestFile).tmp $(DestFile) > NUL 2>&amp;1" IgnoreExitCode="true">
<WriteLinesToFile Lines="@(Lines)" File="$(TmpFile)" Overwrite="true"/>
<MSBuild Projects="$(MSBuildThisFileFullPath)" Targets="CopyFileIfDifferent" Properties="SourceFile=$(TmpFile);DestFile=$(DestFile)"/>
</Target>
<!--Copies SourceFile to DestFile only if SourceFile's content differs from DestFile's.
We use this to 'touch' the generated files only when they are really newer
so a build is only triggered if the generated content actually changed,
and not just because the file date changed since the last build-->
<Target Name="CopyFileIfDifferent">
<Exec Command="fc /B $(SourceFile) $(DestFile) > NUL 2>&amp;1" IgnoreExitCode="true">
<Output TaskParameter="ExitCode" PropertyName="FilesDiffer" />
</Exec>
<Copy SourceFiles="$(DestFile).tmp" DestinationFiles="$(DestFile)" Condition="'$(FilesDiffer)'!='0'"/>
<Copy SourceFiles="$(SourceFile)" DestinationFiles="$(DestFile)" Condition="'$(FilesDiffer)'!='0'"/>
</Target>
</Project>