From: Stephen Jeffrey (Stephen.Jeffrey++at++maths.uq.edu.au)
Date: 07/01/2002 00:28:22
Hi,
I am trying to convert my code from n32 to 64-bit.
The -64 and -mips4 compiler options are specified
but my code behaves incorrectly. Does anyone know
what other compile options are needed, or do environment
variables have to be set?
An example of the strange behaviour is the following code:
----------------------------------------------------------
#include <stdlib.h>
#include <stdio.h>
#include <GL/glx.h>
#include <X11/X.h>
int main(int argc, char *argv[])
{
int no_found;
XVisualInfo match, *visualList;
Display *dpy;
dpy = XOpenDisplay(NULL);
if ( dpy == NULL ) {
fprintf(stderr, "Could not open display\n");
exit(1);
}
visualList = XGetVisualInfo(dpy, VisualScreenMask, &match,&no_found);
fprintf(stderr, "No. of visuals: %d\n", no_found);
return 0;
}
----------------------------------------------------------
If this is compiled to produce debug info:
CC test.cc -g -64 -o test -lX11
the output is incorrect. If it is compiled without "-g":
CC test.cc -64 -o test -lX11
the output is correct. I can avoid this simply by
not specifying "-g", but when some performer code
is added, problems still exist.
any ideas?
cheers
steve
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