Omnisharp net451 not compiling

[jtbm37]

dotnet build

Project OmniSharp.Abstractions (.NETFramework,Version=v4.5.1) will be compiled because expected outputs are missing
Compiling OmniSharp.Abstractions for .NETFramework,Version=v4.5.1
C:\Users\jtbm37\Github\omnisharp-roslyn\src\OmniSharp.Abstractions\project.json(19,16): error DOTNET1011: Framework not installed: .NETFramework,Vn=v4.5.1 in
C:\Users\jtbm37\Github\omnisharp-roslyn\src\OmniSharp.Abstractions\project.json(21,29): error NU1001: The dependency System.Runtime could not be red.
C:\Users\jtbm37\Github\omnisharp-roslyn\src\OmniSharp.Abstractions\project.json(22,31): error NU1001: The dependency System.Threading could not belved.
C:\Users\jtbm37\Github\omnisharp-roslyn\src\OmniSharp.Abstractions\project.json(23,37): error NU1001: The dependency System.Threading.Tasks could e resolved.
C:\Users\jtbm37\Github\omnisharp-roslyn\src\OmniSharp.Abstractions\project.json(24,33): error NU1001: The dependency System.Collections could not solved.
C:\Users\jtbm37\Github\omnisharp-roslyn\src\OmniSharp.Abstractions\project.json(25,26): error NU1001: The dependency System.Linq could not be reso

C:\Users\jtbm37\Github\omnisharp-roslyn\src\OmniSharp.Abstractions\project.json(26,35): error NU1001: The dependency System.Text.Encoding could noresolved.
C:\Users\jtbm37\Github\omnisharp-roslyn\src\OmniSharp.Abstractions\project.json(27,32): error NU1001: The dependency System.Reflection could not bolved.
C:\Users\jtbm37\Github\omnisharp-roslyn\src\OmniSharp.Abstractions\project.json(28,30): error NU1001: The dependency System.Security could not be ved.
C:\Users\jtbm37\Github\omnisharp-roslyn\src\OmniSharp.Abstractions\project.json(29,35): error NU1001: The dependency System.Globalization could noresolved.
C:\Users\jtbm37\Github\omnisharp-roslyn\src\OmniSharp.Abstractions\project.json(30,25): error NU1001: The dependency System.Xml could not be resolC:\Users\jtbm37\Github\omnisharp-roslyn\src\OmniSharp.Abstractions\project.json(31,30): error NU1001: The dependency System.Xml.Linq could not be ved.
C:\Users\jtbm37\Github\omnisharp-roslyn\src\OmniSharp.Abstractions\project.json(12,67): error NU1001: The dependency mscorlib could not be resolveC:\Users\jtbm37\Github\omnisharp-roslyn\src\OmniSharp.Abstractions\project.json(12,67): error NU1001: The dependency mscorlib could not be resolveC:\Users\jtbm37\Github\omnisharp-roslyn\src\OmniSharp.Abstractions\project.json(8,56): error NU1001: The dependency System could not be resolved. C:\Users\jtbm37\Github\omnisharp-roslyn\src\OmniSharp.Abstractions\project.json(12,67): error NU1001: The dependency System could not be resolved.C:\Users\jtbm37\Github\omnisharp-roslyn\src\OmniSharp.Abstractions\project.json(8,56): error NU1001: The dependency System could not be resolved. C:\Users\jtbm37\Github\omnisharp-roslyn\src\OmniSharp.Abstractions\project.json(12,67): error NU1001: The dependency System could not be resolved.

Compilation failed.
    0 Warning(s)
    18 Error(s)

Time elapsed 00:00:00.1099775

dotnet --info

.NET Command Line Tools (1.0.0-preview1-002700)

Product Information:
 Version:     1.0.0-preview1-002700
 Commit Sha:  0336f6bb34

Runtime Environment:
 OS Name:     Windows
 OS Version:  6.1.7601
 OS Platform: Windows
 RID:         win7-x64

.net version installed: 4.5.2

[jtbm37]

.net 4.5.1 cannot be installed after 4.5.2.

[hal-ler]

You need to have the reference assemblies installed. I posted a hack to get them without installing Visual Studio here: #418

[jtbm37]

@hal-ler Thanks. I ended up copying
c:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5\
to
c:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5.1\