[Mono-list] Choosing library to compile against

Peter Hultqvist phq at silentorbit.com
Thu Feb 21 18:17:32 UTC 2013

I was using MonoDevelop to set up the project(3.1.0 from git repo)
But the result is the same if built from MonoDevelop or using xbuild.

I made the test program that reproduce the error.
The TestReference.sln is made using monodevelop from git, for some
reason that solution file did not work with monodevelop from ubuntu
12.10 so I made a second solution from scratch using that version of
monodevelop, TestReference2.sln.
Same result in both.

> The way to force the compiling is to add the reference. It should work.
I'm not following here, I must add references for the project to compile
at all its not an option not to.

I see it's your project I'm using  but I don't think that is where the
problem lies.

>From what I can see the TestLib is correctly compiled against the local
version of Npgsql but when TestReferences is compiled(with Npgsql and
TestLib) then the npgsql references in TestLib points to the gac while
the TestReferences point to the local version and thus the error message.

On 2013-02-21 17:51, Francisco Figueiredo Jr. wrote:
> Are you using Monodevelop? 
> Did you try to compile a simple test program from command line to see
> if it works ok? 
> The way to force the compiling is to add the reference. It should work.
> Try to create another simpler project and test if you can compile it.
> Maybe there is some problem in the project file which isn't updating
> your references?
> On Thu, Feb 21, 2013 at 10:46 AM, Peter Hultqvist <phq at silentorbit.com
> <mailto:phq at silentorbit.com>> wrote:
>     How can I force a project to compile using a specific project rather
>     than looking in the gac?
>     My application is using the Npgsql but because of a bug in the
>     distribution release I downloaded and compiled the source for it.
>     It is
>     included in my solution as a project along my other code.
>     My projects is referencing the npgsql project in the same solution.
>     The distribution(Ubuntu 12.10) version pulled from the
>     mono-complete/mono-dev packages.
>     The big problem is that I get compile errors such as
>     error CS1502: The best overloaded method match for
>     `....Prepare(Npgsql.NpgsqlCommand)' has some invalid arguments
>     error CS1503: Argument `#1' cannot convert `Npgsql.NpgsqlCommand'
>     expression to type `Npgsql.NpgsqlCommand'
>     Some details: My solution has the npgsql project and two projects
>     of my
>     own, A and B, both referencing the npgsql project. Prepare is
>     defined in
>     project A and used in project B. Project A compiles fine and project B
>     is the one with the error above.
>     Is there any way to force the compiling process to use the version in
>     the solution instead of the one from the gac?
>     I thought I had already done that when I reference the solution
>     project
>     rather than the package, is it perhaps a bug?
>     Same error comes up when compiling using xbuild.
>     The only workaround now is to remove the npgsql files from
>     /usr/lib/mono
>     but that is something I rather not have to remember for every new
>     install.
>     _______________________________________________
>     Mono-list maillist  -  Mono-list at lists.ximian.com
>     <mailto:Mono-list at lists.ximian.com>
>     http://lists.ximian.com/mailman/listinfo/mono-list
> -- 
> Regards,
> Francisco Figueiredo Jr.
> Npgsql Lead Developer
> http://www.npgsql.org
> http://gplus.to/franciscojunior
> http://fxjr.blogspot.com
> http://twitter.com/franciscojunior

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