Msbuild multiple conditions. . Evaluates to true if ...

Msbuild multiple conditions. . Evaluates to true if stringA equals stringB. Each element is optional, and if you specify the same element multiple times, the last occurrence takes precedence. Can I set the destination based on Target ? There is this <PropertyGroup Condition I'm trying to edit my project file to enable me to have a project that builds multiple build configs at once. For example, msbuild defines conditional compilation symbols or converts different configurations in web. The `Choose` element contains a series of `When` elements with `Condition` attributes that are tested in order from top to bottom until one evaluates to `true`. csprojs in any significant way (i. This is working as expected. I have a folder for robots. Here's what I have: &lt;!--CAM Execute MSBuild to evaluate items and properties, without necessarily running a full build, or get the results of running a specific target or targets. Msbuild first converts the solution to an actual msbuild file which calls the MsBuild task with a list of projects in the solution. Hello, C# Propagate Conditional Compilation Symbols to multiple projects gave some ideas. There are going to be many times when we want to override the default values and this is exactly what the Condition attribute is for. Reference for the MSBuild properties and items that are understood by the . Create multiple MSBuild build configurations for your source files so you can run builds with different options, and review example configurations. Learn how to use MSBuild. Learn how MSBuild properties and items pass information to tasks, evaluate conditions, and store values that the project file can reference. Single quotes are not required for simple alphanumeric strings or boolean values. If you have never tweaked your . ) But what I'd like to do is to build the solution but provide conditions as msbuild arguments so that I can exclude some of the projects that might not have any changes associated with them. The . If you don't, MSBuild gives warning MSB4130. Your csproj file will already have conditional PropertyGroup elements, depending on the configuration. How do I change a property's value based on a conditional in msbuild? Asked 15 years, 8 months ago Modified 15 years, 8 months ago Viewed 17k times There are a few minor places where code for my project may be able to be drastically improved if the target framework were a newer version. Discover how MSBuild processes your project files, whether you invoke the build tool from Visual Studio or from a command line or script. MsBuild Condition Evaluate Property Contains Asked 14 years, 3 months ago Modified 11 years, 9 months ago Viewed 18k times If you build multi-targeted . And coincidently that is exactly what happens when building a solution with msbuild. I will get 4 different booleans that will be true or false depending on choice. NET Framework, but not multiple frameworks simultaneously. 0 and . I want to add a configuration to my project with different linker settings (link time code generation), but without recompiling all of the I currently have to have two separate property groups with only two differences between them, that are set to have one or the other trigger depending on a condition. Inside them, you can add new custom Property elements, and you can test them in the usual way in your Condition= attribute. NET SDK projects on multiple platforms you're going to find out that certain targets can't be build on certain platforms. I'd like to be able to better leverage conditional compil Use the MSBuild Choose element to evaluate child elements and select one set of ItemGroup or PropertyGroup elements to evaluate. With PackageReference, you can also use MSBuild conditions to choose package references per target framework, or other groupings. However, when I want to run D I've seen some answers to a similar question but not exactly the same and not with positive luck trying to use suggested solutions so I'm trying something like this: <project> <target Hi, I want to have a multi target project that does . How do you pass conditional compilation symbols (DefineConstants) to msbuild Asked 13 years, 9 months ago Modified 2 years, 8 months ago Viewed 46k times Since some time I have the current scenario where I need to have conditional reference in a project. 7. My goal was to include a different file inside my project depending on selected project configuration, something that MSBuild is able to do using an appropriate Condition applied at item level or The Microsoft Build Engine, MSBuild, is responsible for controlling the build process that translates source code to object code and its relevant artifacts. I'm also showing here how you can use multiple conditions, so we'll reference this whether we're targeting . As such multiple projects can be built in parallel and for that multiple msbuild processes are created. So as a suggestion, you could do some changes on the project of VS2019: Right-click on the Project Properties --> Build Event --> add this on the Pre-build event command Works, although the syntax seems somewhat counter-intuitive in your example if the result of the condition were true then it might read condition="$ (true)". config When you build projects, you frequently compile the same components with different build options. Pass /pp to the command line to create a single huge XML project file with all project imports inlined in the correct order. Learn about the MSBuild Target element, which contains a set of tasks for MSBuild to execute sequentially. Explore how MSBuild code in tasks and targets can call item functions to get information about the items in the project. Follow to MSDN “MSBuild Conditional Constructs” I sel… Somewhat new to MSBuild. NET methods that appear in MSBuild property definitions, and see examples for working with the properties and methods. 5: <ItemGroup Condition=" '$(TargetFramework)' == 'net462' or '$(TargetFramework)' == 'net35'"> I'm trying to setup a MSBuild . GitHub Gist: instantly share code, notes, and snippets. net core and standard. Condition Can be written anywhere, for example PropertyGroup 、 ItemGroup 、 Target Or an internal property or one item or a task, or the like. This is an example of what I want to do: ms I don't know if ItemGroup is the right type to use. Work with environment variables in MSBuild project files, and use environment variables to set build options without modifying the project file. proj file that can have multiple build configurations passed in as arguments and then have the configs built in parallel. csproj files to make sure that only the conditionals from my build script go in? This repo is the home of the official documentation for Visual Studio. exe command line to build a project or solution file, and several switches you can include. 6. (For more information, see NuGet pack and restore as MSBuild targets. Older Toolset: Uses an older type of multitargeting with MSBuild, where a project can target only one framework and one platform at a time. NET CLI commands dotnet build, dotnet publish, dotnet msbuild and related commands pass these switches to MSBuild, so this reference is applicable when you use those commands; however dotnet run does not. NET SDK. Net 6. If you target NetStandard and Net45 on a Mac, Net45 is going to fail. If someone (usually the build server) needed to use a different database it can be overridden from the command line: Aug 23, 2019 · My goal was to include a different file inside my project depending on selected project configuration, something that MSBuild is able to do using an appropriate Condition applied at item level or MSBuild supports a specific set of conditions that can be applied wherever a Condition attribute is allowed; see Supported elements. So the issue is a difference between msbuild restore, nuget restore and VS IDE Restore. See MSBuild multitargeting. Build. In this second installment in the series, I’ll showcase the core concepts in MSBuild that will get you up and running quickly, with concrete examples to try out the various constructs. The following table explains those conditions. Net Framework 4. Each of the three build events is represented in an item definition group by a command element (<Command>) that is executed and a message element (<Message>) that is displayed when MSBuild performs the build event. g. I would like to fill up an ItemGroup with this "strings" dependi Probably more common would be to use a Property element. What are the conditions that can be applied to MSBuild? MSBuild supports a specific set of conditions that can be applied wherever a Condition attribute is allowed. 0, can I include files in an <ItemGroup> only when a condition is met? My use case is that I want to create a collection of all . A summary of MSBuild's general approach is as follows: For any given project, MSBuild finds the first Directory. nuspec file with the same name exists (without extension). MSBuild supports parallel builds by running different worker node processes on different CPU cores. Because target batching and task batching are two different MSBuild operations, it is important to understand exactly which form of batching MSBuild uses in each case. Explore several ways you can modify the build process so you can control and customize how your projects build, including overriding properties. 0;net472</TargetFrameworks>) application you can specify conditions for msbuild in a project or target file like that: In MSBuild 12. Aug 12, 2025 · Learn how MSBuild provides a mechanism for conditional processing with the Choose, When, and Otherwise elements. e. Can I completely override all symbols already specified in the . While there are often significant performance benefits from building in parallel, doing so can also introduce the risk of errors that occur when multiple processes try to use the same resource at the same time. Learn about common MSBuild project properties that can be defined or used in project files or included in targets files that MSBuild provides. It also allows for fine-grained control over dependencies and content flow. In order to get around this you need to conditionally build per platform. When the batching syntax %(ItemMetadataName) appears in a task in a target, but not in an attribute on the Target, then MSBuild uses task batching. beyond adding a Condition here and there or tweaking a properly value), a quick overview of the core concepts in MSBuild would be helpful My goal was to include a different file inside my project depending on selected project configuration, something that MSBuild is able to do using an appropriate Condition applied at item level or Explore the MSBuild settings that you can use to build multiple projects faster by running them in parallel in Visual Studio. Would that work for you, or do you really need compiler How do you filter an existing ItemGroup based on a specific condition, such as file extension or the item's metadata? For this example, I'll use the file extension. If you want multiple levels to be found and merged, then <Import> (shown previously) the "outer" file from the "inner" file. Or you can build a project to run on a specific platform By setting property EnforceProcessCountAcrossBuilds to true, this will limit the max number of process used by MTT across multiple projects and MSBuild instances. MSBuild. If I There is value in making syntax for common project- and MSBuild-logic constraints more easy-to-use, because a more-restricted but easier-to-use syntax would be both more understandable to users (especially casual MSBuild users) and could disallow entire categories of errors that exist today (e. You can use string methods in conditions, as Jun 10, 2011 · Project reference conditional include with multiple conditions Asked 14 years, 8 months ago Modified 14 years, 8 months ago Viewed 53k times Feb 12, 2026 · MSBuild Cheat Sheet. Here's how. I've done this using a batching approach and using the MSBuild task (see below). Operator And has higher precedence than Or, but for clarity, we recommend that you use parentheses when you use multiple Boolean operators to make the order of evaluation explicit. See the MSBuild Command-Line Reference for more information on switches. csproj'" You can chain the Boolean operators. exe -pp:<FILE> MSBuild preprocessor. In Visual Studio, I can just go into Project Properties → Build → Conditional compilation symbols, but I have not seen that option for MSBuild. txt that uses the configuration to copy one of the files to the project's root folder. However, nuget restore and msbuild restore can specify the condition on non-sdk project. typos in common Condition usage). This is useful to investigate the ordering of imports and property and target overrides during evaluation. Oct 4, 2024 · Condition="'$(Configuration)' == 'Debug' And '$(MSBuildProjectExtension)' == '. 2 (<TargetFrameworks>net6. I was doing modification of MSBuild target have different behavior depending on parameter OutDir was specified or not for Msbuild. For example, you can create a debug build with symbol information or a release build with no symbol information but with optimizations enabled. csproj files for which a . props upward in the solution structure, merges it with defaults, and stops scanning for more. Basically the application must reference an assembly in It can target different versions of the . md at main · MicrosoftDocs For processing collections, MSBuild provides a language feature named 'batching'. 2 or 3. - visualstudio-docs/docs/msbuild/walkthrough-using-msbuild. Use property functions to call . Condition If you want to give your msbuild item additional conditions, then add Condition Characteristics. Explore how MSBuild can exploit systems that have multiple processors or cores by creating a separate build process for each available processor. When building a application with multiple target Frameworks . I have defined several AfterBuild - Tasks in my Visual Studio project with different conditions: <Target Name="AfterBuild" Condition="'$ (Configuration I've got a large project with multiple configurations. NET 4. ijk5, 63xkvk, hvdtf, nz7e, vvecw, whn9, dkf5, xwmf, kqpg, wlku5,