Re: Build problem: Error: symbol `pread64' is already defined

[Burton Samograd]

On 12-11-04 10:44 AM, Burton Samograd wrote:
> Hello,
>
> I'm trying to build the current emacs git HEAD on one of my machines (Centos 
> 5.8 on a VM host so I can't update it to a newer version) and I keep getting 
> the following error:
>
> gcc -std=gnu99 -DHAVE_CONFIG_H -I. -I/root/src/emacs-git/lib -I../src 
> -I/root/src/emacs-git/src      -g3 -O2 -MT careadlinkat.o -MD -MP -MF 
> .deps/careadlinkat.Tpo -c -o careadlinkat.o careadlinkat.c
> /tmp/cc2jQqUg.s: Assembler messages:
> /tmp/cc2jQqUg.s:122: Error: symbol `pread64' is already defined
>
> From what I can see this looks to be an issue with my libc headers (unistd.h 
> most directly I think) .  The glibc on this  system is 2.5.81.el5_8.7 and 
> I've recently done a 'yum update' to the current release for this Centos 
> version.
>
> I've done a side by side comparison of the section of unistd.h on two 
> machines, one a current Ubuntu and the Centos one that is having problems; 
> they are almost close to identical with only a 'if defined' guard that should 
> have nothing to do with with the systems I am running on (I hope).
>
> I've also updated my gcc to 4.7.2, the current release.
>
> Any ideas on what might be causing this build problem on this specific 
> machine and not others?  This isn't just with the current HEAD, but it's been 
> going on for a few weeks now; I'm just finally getting around to reporting it.
>
> --
> Burton Samograd
>
I'd like to add that I have been able to build emacs git HEAD on this machine 
in the past, maybe about a month ago.

--
Burton Samograd