Metadata file "Cobra.Lang.Compiler.dll" could not be

[Charles]

In case any of you want to help take a crack at this, what I'm currently working on is a problem where even though the current (svn latest) Cobra installer can successfully build Cobra.Lang.Compiler.dll and place it in the GAC, attempting to use it fails:

"""
test-using-cobra-lang-compiler-dll.cobra

# install Cobra:
cd CobraSVN\Source
bin\install-from-workspace

cd ..  # get out of Source directory
cobra test-using-cobra-lang-compiler-dll.cobra
# or
cobra -v:3 test-using-cobra-lang-compiler-dll.cobra
"""
use Cobra.Lang.Compiler
class X
    def main is shared
        c = CommandLine
        trace c

Results in this error:

Code: Select all

error: Metadata file "Cobra.Lang.Compiler.dll" could not be found


The Cobra compiler doesn't complain at all. It's the C# compiler that generates that error.

"gacutil" shows that the DLL is actually there, but apparently there is something wrong with it.

This happens on .NET/CLR 2 on Win 7 32-bit, .NET/CLR 4 on Win 7 64-bit and Mono 2.10 on both Linux and Mac. Mysteriously, Mono 2.6 on Linux works fine.

One guess is that you cannot reuse the same "public key token" for a 2nd DLL.

I can't be on Cobra the next 3 days, so I thought I would throw this out there.

[torial]

I can reproduce it -- on W2k8, 32-bit. I think I installed < 4 most recently. Only one instance of Cobra.Lang.Compiler.dll in my GAC, but there are for copies of Cobra.Lang.dll there.

[Charles]

Did you manage to fix the problem?

[torial]

No, sorry -- I actually don't have a clue as to how to. Been focusing on my Naja rework when I get the spare time...

[Charles]

I have a fix on a local machine. At least for Linux, but I think it will stick for Mac and Windows as well.

[Charles]

This is fixed and works on all the platforms I tested which includes a mix of Mac, Linux, Windows, .NET 2 & 4 and Mono 2.6 and 2.10. I'll have to cook up a wiki page on how to use it.