Nicolas Calimet wrote:

>> Then, I downloaded the sources without the bundeled libraries
> 
> Eh ?  How can you download a package which does not exist ?  ;-)
> 
The first build was on my universtiy account. 
Then, I tar'ed the sources without docu and examples to download 
it onto my home box. I don't want to dl 8M using a 56k modem, you know...

> Yes, that's a problem currently.  Note the p4 and Athlon XP optimizations
> were added very lately in configure.ac, and I didn't try to make them work
> in all situations (e.g. FreeBSB seems to report "i386" for an Athlon XP,
> which means there is currently no chance to optimize much for it although
> I included some basic support for FreeBSD with i686...)
> 
Yes, FreeBSD will always report "i386" for the Intel-x86 family. 

>> I'd suggest to use the /proc/cpuinfo primarily if we're not
>> cross-compiling and /proc/cpuinfo is available.
> 
> Damn I forgot cross-compiling here, thanks again !
> BTW, are you able to test the build system in a cross-compiling
> environment ?  INSTALL says I'd be glad to see if it works  :-)
> 
Since I have only x86 systems at university and at home, I sadly 
cannot test cross compiling. (Well, I also have 8bit uControllers 
with 2..64kb flash here but that's nothing worth trying :)

> Note I'm already using these flags in configure.ac (in principle
> you should get an -msse -fpmath=sse, don't you ?).
> 
Yes, the -fpmath=sse was added. However, I made some experiments 
with gcc-3.2 or 3.3 and that showed that code got slightly slower 
with these. But this may have changed with gcc-3.4 and also depend 
on the used processor. 

Wolfgang

Post a reply to this message