Re: Calling C++ library and/or framework from Obj C
Re: Calling C++ library and/or framework from Obj C
- Subject: Re: Calling C++ library and/or framework from Obj C
- From: Theodore Petrosky <email@hidden>
- Date: Sun, 18 May 2003 20:06:31 -0700 (PDT)
Here are the archives
http://cocoa.mamasam.com/
If a linked C library example would help, here is a
link to a project at sourceforge.
http://sourceforge.net/projects/cocoapsql/
It is a project that uses the postgresql libpq C
library. I assume that c++ and c libraries will act
similarly. But I could be totally wrong.
Ted
--- Louis Sinclair <email@hidden> wrote:
>
Hello,
>
>
I'm working on a project using Cocoa/ObjC for the UI
>
that is
>
to call a library written in C++ created with
>
CodeWarrior 8.
>
We're having trouble linking with the library.
>
We've tried
>
several combinations of project types, but have had
>
only
>
partial success.
>
>
The closest we've come is to create a C++ OSX
>
framework with
>
CW, and the UI using ObjC and Project Builder. We
>
were able
>
to access our framework from the Cocoa project, but
>
were
>
unable to use the CW debugger to step through the
framework.
>
Also, we've been using another library (LibSndFile)
that has
>
to be accessed from the framework. When we include
the
>
pre-built library into the framework project, the
>
build fails
>
with an incomplete error message consisting of
>
simply the name
>
of the library minus the first character.
>
>
It is important that the library/framework source
>
files are
>
cross platform, and most of them already exist as
>
C++ code,
>
which is why we're using C++. We don't really care
>
whether
>
we use CW, PB, or both as long as we can get the
>
modules to
>
talk to each other, as well as have an effective
>
development
>
and debugging environment.
>
>
I guess the main question is what types of code can
>
co-exist
>
in a project like this, and where does documentation
>
exist
>
that explains any limitations and the proper
>
procedures for
>
accessing code in other modules?
>
>
I suspect similar questions have been asked and
>
answered
>
here already, but I'm unable to find complete
>
information
>
by searching this list or in the Apple docs. This
>
is
>
probably due to my own searching skills rather than
>
a lack
>
of relevant information out there :)
>
>
Thanks in advance!
>
>
--
>
Louis Sinclair
>
Minnetonka Audio Software, Inc.
>
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