This is the mail archive of the ecos-discuss@sources.redhat.com mailing list for the eCos project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: What happens during optimization


On Fri, 2002-11-15 at 07:47, Daniel Lidsten wrote:
> Hi,
> 
> I have run my system on a debug version of eCos but now i want to try some optimization. I removed all debug info (-gdwarf) and added the flag -O2.
> 
> When i link my application to the new eCos then i get some "undefined reference" regarding some thread functions like Cyg_Thread::self.
> 
> The above function are probably removed due to the optimization and i was wondering if there are any way of forcing it to be a part of the final library?

Did you rebuild everything after you added the optimization option?

Note: optimization and debugging info (-gdwarf) can both be present
although debugging may be more difficult.

Note2: our default builds always use optimization.

-- 
------------------------------------------------------------
Gary Thomas                  |
eCosCentric, Ltd.            |  
+1 (970) 229-1963            |  eCos & RedBoot experts
gthomas@ecoscentric.com      |
http://www.ecoscentric.com/  |
------------------------------------------------------------


-- 
Before posting, please read the FAQ: http://sources.redhat.com/fom/ecos
and search the list archive: http://sources.redhat.com/ml/ecos-discuss


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]