Mailinglist Archive: opensuse-programming (55 mails)

[Jerry Feldman <gaf@xxxxxxx>]

On Thursday 03 March 2005 6:10 pm, Dimych wrote:
> --- Jerry Feldman <gaf@xxxxxxx> wrote:
> > Is there any definitive way that a threaded app can
> > detect which thread
> > library it is using, the older Linux Threads or the
> > newer Native POSIX
> > Thread Library. I have found a few functions, such
> > as pthread_tryjoin_np(),
> > that exist only in NPTL, but that will prevent a
> > program from linking with
> > the Linux Threads library.
>
> Why do not you just use #ifdefs and specify what
> library to use as a build parameter?
That's not my point. 
I was looking for a run-time check. 

When building with NPTL, I set 
CFLAGS=-pthread -I/usr/include/nptl -L/usr/lib/nptl
This points the build at the correct library and header file. 


Also, I posted this originally to suse-programming-e. 



-- 
Jerry Feldman <gaf@xxxxxxx>
Boston Linux and Unix user group
http://www.blu.org PGP key id:C5061EA9
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