PSake Error Executing MSBuild Command - msbuild

Question

I have 3 projects in the solution,
A WPFApplication and 2 ClassLibrary projects
When i build the Solution i get error below..
properties {
$base_dir = resolve-path .
$build_dir = "$base_dir\build"
$buildartifacts_dir = "$build_dir\BuildArtifacts"
$sln_file = "$base_dir\Hello.sln"
}
task default -depends Compile
task Clean {
Write-Host "Cleaning solution" -ForegroundColor Green
remove-item -force -recurse $buildartifacts_dir -ErrorAction
SilentlyContinue
}
task Init -depends Clean {
Write-Host "Creating BuildArtifacts directory" -ForegroundColor Green
new-item $buildartifacts_dir -itemType directory
}
task Compile -depend Init {
Write-Host "Compiling ---" $sln_file -ForegroundColor Green
Exec { msbuild $sln_file "/p:OutDir=$build_artifacts_dir"
/p:Configuration=Release /v:quiet }
}
i get the following error's -- what am i doing wrong?
C:\Windows\Microsoft.NET\Framework\v4.0.30319\Microsoft.Common.targets(2868­,9):
error MSB3023: No destination specified for Copy. Please supply either "DestinationFiles" or "DestinationFolder". [D:\Nusrofe\GrokPSake2\ClassLibrary1\ClassLibrary1.csproj]
C:\Windows\Microsoft.NET\Framework\v4.0.30319\Microsoft.Common.targets(3471­,9):
error MSB4044: The "FindUnderPath" task was not given
a value for the required parameter "Path". [D:\Nusrofe\GrokPSake2\ClassLibrary1\ClassLibrary1.csproj]
C:\Windows\Microsoft.NET\Framework\v4.0.30319\Microsoft.Common.targets(2868­,9):
error MSB3023: No destination specified for Copy. Ple
ase supply either "DestinationFiles" or "DestinationFolder". [D:\Nusrofe\GrokPSake2\ClassLibrary2\ClassLibrary2.csproj]
C:\Windows\Microsoft.NET\Framework\v4.0.30319\Microsoft.Common.targets(3471­,9):
error MSB4044: The "FindUnderPath" task was not given
a value for the required parameter "Path". [D:\Nusrofe\GrokPSake2\ClassLibrary2\ClassLibrary2.csproj]
C:\Windows\Microsoft.NET\Framework\v4.0.30319\Microsoft.Common.targets(3471­,9):
error MSB4044: The "FindUnderPath" task was not given
a value for the required parameter "Path". [D:\Nusrofe\GrokPSake2\WpfApp\WpfApp.csproj]
build2.ps1:Error executing command: msbuild $sln_file
"/p:OutDir=$build_artifacts_dir" /p:Configuration=Release /v:quiet
Thanks --
Corku

Answer 1

Looks like in your Compile task you have a stray underscore in your $buildartifacts_dir variable. MSBuild probably doesn't know what to do because essentially you are passing it an empty location for the OutDir.