failure to implement O_LARGEFILES

[Kayven Riese]

I am trying to recompile a project in c using cairo graphics that I created
a while back and I got a new version of an input file and I realized that I
need to use large files for open().   I am running Ubunu Precise:

kayve at kayve-Ubuntu11:~/
Documents/microArray/Project/release$ uname -a
Linux kayve-Ubuntu11 3.2.0-26-generic-pae #41-Ubuntu SMP Thu Jun 14
16:45:14 UTC 2012 i686 i686 i386 GNU/Linux
kayve at kayve-Ubuntu11:~/Documents/microArray/Project/release$

Source code and Makefile available from http://kayve.net/promog.  I didn't
make a ./configure script, sorry, but I haven't needed it on a number of
different Linux distros.

Although I have implemented everything necessar in the Makefile (to my
knowledge) I am still getting this error:

kayve at kayve-Ubuntu11:~/Documents/microArray/Project/release$ make promog
gcc -g -O0 `-D_GNU_SOURCE` -c promog.c  `pkg-config --cflags --libs cairo `
/bin/sh: 1: -D_GNU_SOURCE: not found
promog.c: In function ‘main’:
promog.c:268:46: error: ‘O_LARGEFILE’ undeclared (first use in this
function)
promog.c:268:46: note: each undeclared identifier is reported only once for
each function it appears in
make: *** [promog.o] Error 1
kayve at kayve-Ubuntu11:~/Documents/microArray/Project/release$


Can someone please help me compile my work or perhaps make a suggestion
where to go instead for help?  Thank you in advance.


-- 
  Sincerely,

  Kayven Riese
*----------------------------------------------------------*
  Kayven Riese, MSCS,
                      MS  (Physiology and Biophysics)
  (415) 902 5513 cellular
  http://kayve.net
  Webmaster http://ChessYoga.org
*----------------------------------------------------------*
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