Bug 21521 - ProjectName has no value in xbuild
Summary: ProjectName has no value in xbuild
Status: NEW
Alias: None
Product: Tools
Classification: Mono
Component: xbuild ()
Version: 3.4.0
Hardware: Macintosh Mac OS
: --- normal
Target Milestone: ---
Assignee: Bugzilla
URL:
Depends on:
Blocks:
 
Reported: 2014-07-22 15:19 UTC by leankitryan
Modified: 2014-07-23 14:34 UTC (History)
2 users (show)

Tags:
Is this bug a regression?: ---
Last known good build:

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Status:
NEW

Description leankitryan 2014-07-22 15:19:00 UTC
Add the following before build task to an Android or iOS project:

  <Target Name="BeforeBuild">
    <Exec Command="echo executing beforebuild for $(ProjectName) on mac os" Condition=" '$(OS)' == 'Unix' " />
    <Exec Command="echo executing beforebuild for $(ProjectName) on windows" Condition=" '$(OS)' == 'Windows_NT' " />
  </Target>

Output in Visual Studio or Xamarin Studio in Windows (where App.Android was the name of the project being built):

executing beforebuild for App1.Android on windows

Output in Xamarin Studio on a Mac:

executing beforebuild for on mac os

$(ProjectName) is being replaced with an empty string. I am seeing this same behavior across both Android and iOS projects.
Comment 1 Mikayla Hutchinson [MSFT] 2014-07-22 22:12:44 UTC
Is this before or after importing the common targets?
Comment 2 leankitryan 2014-07-23 08:42:06 UTC
After the imports. If I move the BeforeBuild target to before the imports it doesn't execute.  Also a correction, I am not seeing this with iOS projects on the Mac. I can't even get iOS projects to execute any before build / prebuild tasks in Mac OS but that's a separate issue.
Comment 3 Mikayla Hutchinson [MSFT] 2014-07-23 14:32:10 UTC
Looks like xbuild's version of Microsoft.Common.targets doesn't define the ProjectFile property.

As a workaround, you could use MSBuildProjectFile, which is defined by the engine.
Comment 4 Mikayla Hutchinson [MSFT] 2014-07-23 14:34:21 UTC
The MS version of the targets defines ProjectName as MSBuildProjectName if it's not explicitly set, anyway.