[Mono-dev] Mono 2.10.2 TargetFrameworkAttribute

[Jonathan Pobst]

gmcs creates assemblies that target the 2.0 framework.

TargetFrameworkAttribute is new in the 4.0 framework.

Use dmcs to target the 4.0 framework.

Jonathan


On 7/9/2011 11:05 AM, John Fallows wrote:
> Devs,
>
> Is System.Runtime.Versioning.TargetFrameworkAttribute supported on Mono
> 2.10.2 ?
>
> It appears to be available according to the documentation at
> http://docs.go-mono.com/System.Runtime.Versioning.TargetFrameworkAttribute .
>
> However, we are getting an unexpected compilation error for the simplest
> example using TargetFrameworkAttribute, as shown below.
>
> We are using Mono 2.10.2 installed alongside the default Mono 2.6.7
> package on Ubuntu 10.10.
>
> ~/mono-test$ uname -a
> Linux jfallows-laptop 2.6.35-30-generic #54-Ubuntu SMP Tue Jun 7
> 18:41:54 UTC 2011 x86_64 GNU/Linux
>
> ~/mono-test$ which gmcs
> /usr/bin/gmcs
>
> ~/mono-test$ gmcs --version
> Mono C# compiler version 2.6.7.0
>
> ~/mono-test$ /opt/mono-2.10/bin/gmcs --version
> Mono C# compiler version 2.10.2.0
>
> ~/mono-test$ cat src/AssemblyAttributes.cs
> using System.Reflection;
> using System.Runtime.CompilerServices;
> [assembly:
> global::System.Runtime.Versioning.TargetFrameworkAttribute(".NETPortable,Version=v4.0,Profile=Profile2",FrameworkDisplayName="Portable
> Library")]
>
> ~/mono-test$ /opt/mono-2.10/bin/gmcs /target:library
> /out:bin/mono-test.dll src/AssemblyAttributes.cs
> src/AssemblyAttributes.cs(3,46): error CS0234: The type or namespace
> name `TargetFrameworkAttribute' does not exist in the namespace
> `System.Runtime.Versioning'. Are you missing an assembly reference?
> src/AssemblyAttributes.cs(3,46): error CS0234: The type or namespace
> name `TargetFrameworkAttributeAttribute' does not exist in the namespace
> `System.Runtime.Versioning'. Are you missing an assembly reference?
>
> If we comment out line 3 in src/AssemblyAttributes.cs as follows:
> using System.Reflection;
> using System.Runtime.CompilerServices;
> //[assembly:
> global::System.Runtime.Versioning.TargetFrameworkAttribute(".NETPortable,Version=v4.0,Profile=Profile2",FrameworkDisplayName="Portable
> Library")]
>
> then compilation succeeds as desired.
> ~/mono-test$ /opt/mono-2.10/bin/gmcs /target:library
> /out:bin/mono-test.dll src/AssemblyAttributes.cs
> ~/mono-test$ ls bin/
> mono-test.dll
>
> How can we make compilation successful when the TargetFrameworkAttribute
> line is not commented?
>
> Kind Regards,
> John Fallows
> --
>  >|< Kaazing Corporation >|<
> John Fallows | CTO | +1.650.960.8148
> 444 Castro St, Suite 1100 | Mountain View, CA 94041, USA
>
>
>
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