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Re: Questions about gnu debug
- From: Csaba Raduly <rcsaba at gmail dot com>
- To: cygwin at cygwin dot com
- Cc: linhaiyxs at yahoo dot com
- Date: Wed, 23 Dec 2009 21:56:46 +0200
- Subject: Re: Questions about gnu debug
- References: <46069.57660.qm@web110511.mail.gq1.yahoo.com>
On Wed, Dec 23, 2009 at 6:48 PM, Liming <linhaiyxs@yahoo.com> wrote:
> I read the FAQ, but still very confused, please help.
>
> 1.
> I have a project written by C++, I want to debug it under Cygwin. I
> know I can use g++ -g, but I think this is for a single .cpp file.
Hi Liming,
If you have a project with multiple C++ files, you can compile each
C++ file with "g++ -g" into an object file (usually with .o suffix).
Then you can link the object files together with ... "g++ -g", like
this:
g++ -g -o executable_name a.o b.o ...
Then you have an executable with debug info, which you can load with gdb.
> How
> to debug a whole Project? Anyway to debug the project inside a windows like editor?
>
If you used Windows IDEs, GDB needs time to get used to. It has an
extensive manual (search for "Debugging with GDB").
There are many GDB front-ends. I've been using ddd successfully. It
has a Cygwin package, I think (under Devel).
Emacs has gdb integration. It is a very powerful editor, but takes a
long time to learn.
Anther possibility is Eclipse (it has GDB integration too, but a bit
of an overkill, really). But it's fiddly to set up because it is a
Windows program and sometimes paths have to be translated between
Windows format and Cygwin.
Hope this helps,
Csaba
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