Visual Studio 2013/15 with Emscripten - visual-studio-2013

I recently tried to use the vs-tool found here done by James Allison. This works well for the *.html and *.js builds, but it fails for the *.bc builds. The error message presented is "GCCLIB : error root: rcs: No such file or directory ("rcs" was expected to be an input file, based on the commandline arguments provided)" which i have no idea what it means, and googling the error does not yield any results.
Any thoughts or ideas ?

Open the .vcxproj file for the project in a text editor and see if under the emscripten build configurations there are tags that are not relevant.
For example I had a "ResourceCompile" tag which always led to an error regarding rc.exe being missing.
Similarly I also had "BrowseInformation" tags.
This happens when you create your Emscripten configuration from an configuration which had these additional tags for example x64. Probably a bug in vs-tools. Ideally it should be skipping these tags.

Related

Visual C++ 2017 keeps rebuilding everything all the time

The project contains only C++ source. There is no custom-build item like a parser or lexer file.
the diagnostic output mentions something like:
fileName.cpp will be compiled because the tracking log is not available.
There is another line in the diagnostic output, which I'm curious about:
Source compilation required: input C:\<install_dir>\MSVCPRTD.LIB is newer than output .
Anybody any clue?
The problem was that the source tree has been created using git running under bash_on_windows subsystem. There was a directory called AUX which cannot be accessed from within windows. Removing this AUX directory AND copying the entire tree to some other place resolved this problem.​

How does Visual Studio know my project is up to date so it can skip running MSBuild?

I have a custom MSBuild target included in my C++ project that produces a data file in the $(OutDir) folder for each item of a given item type. I have the item type hooked up with a property page schema so you can select it on files in the solution explorer and my target declares input and outputs so incremental builds work. I have also added my target to the $(BuildDependsOn) property so it is automatically evaluated during the Build target Visual Studio invokes.
Everything seems to work except for one thing: If I delete one of my output data files in the $(OutDir) and then build Visual Studio does nothing and says my project is up to date. If I delete the exe file the project produces or touch the modified time of one of the MSBuild scripts Visual Studio re-evaluates the targts and finds the output file is missing, causing it to be re-built using my target.
From the MSBuild diagnostic logging it seems like Visual Studio is internally maintaining some list of output files and input files that it checks to avoid evaluating the MSBuild script at all. How do I add my output files to this list?
MsBuild/VS indeed have a mechanism to determine what is up-to-date with respect to the input files, it revolves around an executable tracker.exe which scans .tlog files to figure out what a project's output files are. There might be more to it, and if you look around on the internet you can probably get more info about this.
But the thing is you don't really need to understand every single detail of it: you can find a simple usage example for it when inspecting how the built-in CustomBuildStep works and apply that to your case. I'll briefly explain how I got to this because I think it might be useful for you as well in dealing with msbuild questions like these.
If you add
<ItemDefinitionGroup>
<CustomBuildStep>
<Command>echo foo > $(OutDir)\foo.txt</Command>
<Outputs>$(OutDir)\foo.txt</Outputs>
</CustomBuildStep>
</ItemDefinitionGroup>
either manually or via the project's property pages for Custom Build Step you'll see the beahviour is eactly what you need: if foo.txt is deleted a build will start, while a build is marked up-to-date if it is not (well, and when the rest of the outputs are also up-to-date).
Hence the key is to do what CustomBuildStep does under the hood, and figuring that out is just a matter of using your tool of choice to search all occurrences of CustomBuildStep in all files under C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V120 (adjust path for platform/VS version used).
This leads us to Microsoft.CppCommon.Targets where the target named CustomBuildStep (mind you, that's the same name as the entry in the ItemDefinitionGroup above) invokes the actual CustomBuildStep command. It also has this particularily interesting bit:
<!-- Appended tlog to track custom build events -->
<WriteLinesToFile Encoding="Unicode"
File="$(TLogLocation)$(ProjectName).write.1u.tlog"
Lines="#(CustomBuildStep->'^%(Identity)');#(CustomBuildStep->MetaData('Outputs')->FullPath()->Distinct())"/>
So this writes the path of the Outputs to a .tlog file in the directory used by the tracker and makes it work as desired. Also see here for more information about the format.
tl;dr Use WriteLinesToFile to append full paths of your targets' outputs to a file like $(TLogLocation)$(ProjectName).write.1u.tlog. I'm saying like because write.tlog, write.u.tlog etc also work.
Visual Studio uses something called Visual Studio Common Project System (CPS) (https://github.com/Microsoft/VSProjectSystem) (VS 2017)
to manage projects, including build process.
Within CPS anything that implements IBuildUpToDateCheckProvider interface can be used
as a 'UpToDateChecker' for a project.
'UpToDateChecker' is invoked before invoking MsBuild. Its main purpose is to determine whether or not invoke MsBuild to build project, or to mark project as 'Up To Date' and skip msbuild all along.
This 'UpToDateChecker' is exactly what prints into diagnostic build output:
1>------ Up-To-Date check: Project: "ProjectName", Configuration:
Debug x86 ------ Project is not up-to-date: build input 'header.h' was
modified after build output 'a.out'. Input time: 12/27/2018 4:43:08
PM, Output time: 1/1/0001 2:00:00 AM
As for C++ Projects, for VS 2017 its default 'UpToDateChecker' is VCProjectBuildUpToDateCheck
( Microsoft.VisualStudio.Project.VisualC.VCProjectEngine.dll ).
As starter, it looks into tlogs directory ( usually something like Debug\x86\.tlog) for these files:
.lastbuildstate
unsuccessfulbuild
all '.read..tlog' - input files, marked as 'build input' in diagnostic build output
all '.write..tlog' - output files, marked as 'build output' in diagnostic build output
There's actually more checks, but most fails occur when checking these 4 types
The original question here relates to C++ projects, but for anyone finding this while searching for information about modern (SDK-style) C#/VB/F# projects, you can customise Visual Studio's fast up-to-date check as described in this document:
https://github.com/dotnet/project-system/blob/master/docs/up-to-date-check.md
In a nutshell, you specify inputs and outputs as items:
UpToDateCheckInput — Describes an input file that MSBuild would not otherwise know about
UpToDateCheckBuilt — Describes an output file that MSBuild would not otherwise know about
It can be very helpful to increase the diagnostic logging level for the up-to-date check via this setting:
You can find out why a project is being rebuilt by enabling the verbosity of the fast up to date checker in the registry key:
New-ItemProperty `
-Name U2DCheckVerbosity `
-PropertyType DWORD -Value 1 `
-Path HKCU:\Software\Microsoft\VisualStudio\14.0\General -Force
You should be able to see in the build log messages like
Project 'Caliburn.Micro.Silverlight.Extensions' is not up to date. Project item 'C:\dev\projects\Caliburn.Micro.Silverlight.Extensions\NavigationBootstrapperSample.cs.pp' has 'Copy to Output Directory' attribute set to 'Copy always'.
[1] https://blogs.msdn.microsoft.com/kirillosenkov/2014/08/04/how-to-investigate-rebuilding-in-visual-studio-when-nothing-has-changed/
To enable logging for old-style projects (i.e. non-SDK-style projects, common in the .NET Framework era):
Open a "Developer Command Prompt" for the particular version of Visual Studio you are using.
Enter command:
vsregedit set "%cd%" HKCU General U2DCheckVerbosity dword 1
The message Set value for U2DCheckVerbosity should be displayed.
Run the same command with a 0 instead of a 1 to disable this logging.
More information at: https://github.com/dotnet/project-system/blob/main/docs/up-to-date-check.md#net-framework-projects

Renamed visual studio project, error when publishing (ResolveAssemblyReference.cache)

My solution contains two projects. Both have been renamed from 'LearnUmbraco.*' to 'OnceUpon.'
The solution builds fine, however when trying to publish via FTP, the error occurs:
Error Copying file obj\Debug\LearnUmbraco.csprojResolveAssemblyReference.cache to obj\Release\Package\PackageTmp\obj\Debug\LearnUmbraco.csprojResolveAssemblyReference.cache failed. Could not find file 'obj\Debug\LearnUmbraco.csprojResolveAssemblyReference.cache'. 0 0 OnceUpon.WebUI
If I look in my obj/Debug folder i do indeed have a ResolveAssemblyReference.cache however it is obviously prefixed with ;OnceUpon.**.'.
Where/how is this file generated. I'd like to change the configuration so it looks for the renamed version.
Many thanks
Found the issue. Close the solution and open the csproj file. The old references were still in there.

Why is my MOC_DIR ignored when generating Visual Studio projects with qmake

I'm generating Visual Studio 2013 projects with Qt 5.3 qmake. In my .pro file, I've got the following line:
MOC_DIR = $$BUILD_DIR/<DEBUG OR RELEASE>/moc
If I message($$MOC_DIR), the path is correctly formed. However, when I build in VS, the moc_<CLASS>.cpp files are not generated in that location, but instead end up in the same directory as the .pro. I get the following warning during compilation:
Two or more files with the name of moc_<CLASS>.cpp will produce outputs to the same location
That's not surprising, because if I look at the contents of the generated .vcxproj, I see the following (irrelevant tags/text elided ...):
<CustomBuild Include="..\include\Class.hpp">
...
<Outputs Condition="...Release...">moc_Class.cpp;%(Outputs)</Outputs>
...
<Outputs Condition="...Debug...">moc_Class.cpp;%(Outputs)</Outputs>
...
</CustomBuild>
Why does is my custom MOC_DIR being ignored?
Other VS2013 projects generated with Qt5 qmake were placing the moc_<CLASS>.cpp files in the specified location, as expected, so my suspicion was that something else in the .pro was interfering.
I'm using Boost (1.55) and while adding Boost to the project, I came across the issue described in this SO question: link.
I added the following lines to the top of my .pro:
load(moc)
QMAKE_MOC += -DBOOST_MPL_IF_HPP_INCLUDED
... and that sorted out my macro argument mismatch bug. It also caused the bug described here. Calling load(moc) before setting MOC_DIR for some reason causes qmake to ignore the custom MOC_DIR. If you reorder load(moc) to be after MOC_DIR is set, everything works as expected.
My .vcxproj now looks as it should, my moc_<CLASS>.cpp files now placed into the correct <BUILD>/debug/moc or <BUILD>/release/moc directories.
However: I still get the same MSB8027 build warnings. This appears to be a known bug in Visual Studio. It confuses the situation, though, as I only broke the moc locations when I added load(moc), but I got the warning before the problem was introduced, while it existed, and now even after it's fixed! For now I'm disabling the warning; see Felix Huang's answer here.

error MSB6006: "cmd.exe" exited with code 1

When I'm trying to build my VC++ code using 2010 I'm getting the error message
> C:\Program Files\MSBuild\Microsoft.Cpp\v4.0\Microsoft.CppCommon.targets(151,5): error MSB6006: "cmd.exe" exited with code 1.
Please tell how to overcome this?
Navigate from Error List Tab to the Visual Studios Output folder by one of the following:
Select tab Output in standard VS view at the bottom
Click in Menubar View > Output or Ctrl+Alt+O
where Show output from <build> should be selected.
You can find out more by analyzing the output logs.
In my case it was an error in the Cmake step, see below. It could be in any build step, as described in the other answers.
> -- Build Type is debug
> CMake Error in CMakeLists.txt:
> A logical block opening on the line
> <path_to_file:line_number>
> is not closed.
error MSB6006: "cmd.exe" exited with code -Solved
I also face this problem . In my case it is due to output exe already running .I solved my problem simply close the application instance before building.
I had the same problem today, while I was upgrading some VC6 project to VC2012.
In my case, it was because some of the operation in Custom Built Steps failed.
In project properties, go to Custom Build Step, you can see there maybe some something in command line edit box. Open a windows prompt and paste the command to it. Run, check if there is something wrong and fix it.
If there is no command line in the project property Custom Built Step, maybe you should check properties of every single file of the project.
If the command line has some macro, replace it with an actual value.
Or you can echo the command in VS output window:
cd %(somedir)%
echo %(somedir)%
You won't miss it this way.
I solved this. double click this error leads to behavior.
open .vcxproj file of your project
search for tag
check carefully what's going inside this tag, the path is right? difference between debug and release, and fix it
clean and rebuild
for my case. a miss match of debug and release mod kills my afternoon.
<Command Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">copy ..\vc2005\%(Filename)%(Extension) ..\..\cvd\
</Command>
<Command Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">copy ..\vc2005\%(Filename)%(Extension) ..\..\cvd\
</Command>
<Outputs Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">..\..\cvd\%(Filename)%(Extension);%(Outputs)</Outputs>
<Outputs Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">..\..\cvd\%(Filename)%(Extension);%(Outputs)</Outputs>
<Command Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">copy ..\vc2005\%(Filename)%(Extension) ..\..\cvd\
</Command>
<Command Condition="'$(Configuration)|$(Platform)'=='Release|x64'">copy %(Filename)%(Extension) ..\..\cvd\
</Command>
<Outputs Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">..\..\cvd\%(Filename)%(Extension);%(Outputs)</Outputs>
<Outputs Condition="'$(Configuration)|$(Platform)'=='Release|x64'">..\..\cvd\%(Filename)%(Extension);%(Outputs)</Outputs>
</CustomBuild>
Actually Just delete the build ( clean it ) , then restart the compiler , build it again problem solved .
I also faced similar issue.
My source path had one directory with 'space' (D:/source 2012). I resolved this by removing the space (D:/source2012).
For the sake of future readers. My problem was that I was specifying an incompatible openssl library to build my program through CMAKE. Projects were generated but build started failing with this error without any other useful information or error. Verbose cmake/compilation logs didn't help either.
My take away lesson is that cross check the incompatibilities in case your program has dependencies on the any other third party library.
Simple and better solution :
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe MyProject.sln
I make a bat file like this
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe D:\GESTION-SOMECOPA\GestionCommercial\GestionCommercial.sln
pause
Then I can see all errors and correct them. Because when you change the folder name (without spaces as seen above) you will have another problems. Visual Studio 2015 works fine after this.
When working with a version control system where all files are read only until checked out (like Perforce), the problem may be that you accidentally submitted into this version control system one of the VS files (like filters, for example) and the file thus cannot be overridden during build.
Just go to your working directory and check that none of VS solution related files and none of temporary created files (like all moc_ and ui_ prefixed files in QT, for example) is read only.
I was in a similar situation to the one described by "irsis".
I configured the project through CMAKE, and in CmakeList, I linked the OpenCV library to the project. However, when I updated the OpenCV version for another project, the path was changed and error occurred.
Check path of all related library.
Another solution could be, that you deleted a file from your Project by just removing it in your file system, instead of removing it within your project.

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