Your message dated Sat, 8 Jul 2006 18:30:49 +0200
with message-id <[EMAIL PROTECTED]>
and subject line different results for different parameters order
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--- Begin Message ---
Package: gcc-4.0
Version: 4.0.1-9
Severity: normal
Hi
while compiling with different parameters order you get different
results:
$ gcc -g -L/usr/X11R6/lib/ -lGL -lglut -lGLU -pthread -Wall configure.c -o
configure.bin
configure.c: In function ‘main’:
configure.c:11: warning: assignment discards qualifiers from pointer target type
$ ./configure.bin
$ gcc -g configure.c -L/usr/X11R6/lib/ -lGL -lglut -lGLU -pthread -Wall -o
configure.bin
configure.c: In function ‘main’:
configure.c:11: warning: assignment discards qualifiers from pointer target type
$ ./configure.bin
Segmentation fault
Note that only source filename has moved from end to beginning and
program runs differently (segfault is a code problem). This is taken
from configure of Raydium engine [1], problematic file attached to bug
report.
1. http://raydium.cqfd-corp.org/
Preprocessed files (*.i) and assembly (*.s) are same in both cases,
only difference is how collect2 is called, once (in failing case)
resulting object is before GL libs, second time after then. But order
should not matter, or am I wrong?
I hope I provided enough information.
Michal
-- System Information:
Debian Release: testing/unstable
APT prefers unstable
APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: i386 (i686)
Shell: /bin/sh linked to /bin/dash
Kernel: Linux 2.6.12
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Versions of packages gcc-4.0 depends on:
ii binutils 2.16.1cvs20050902-1 The GNU assembler, linker and bina
ii cpp-4.0 4.0.1-9 The GNU C preprocessor
ii gcc-4.0-base 4.0.1-9 The GNU Compiler Collection (base
ii libc6 2.3.5-6 GNU C Library: Shared libraries an
ii libgcc1 1:4.0.1-9 GCC support library
Versions of packages gcc-4.0 recommends:
ii libc6-dev 2.3.5-6 GNU C Library: Development Librari
ii libmudflap0-dev 4.0.1-9 GCC mudflap support libraries (dev
-- no debconf information
#include <stdio.h>
#include <string.h>
#include <GL/glut.h>
int main(int argc, char **argv) {
char *r;
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
glutInitWindowSize(320,240);
glutCreateWindow("Test window");
r=glGetString(GL_RENDERER);
if(!strcmp(r,"Mesa GLX Indirect"))
{
fprintf(stderr,"WARNING ! Mesa Software renderer detected !");
fprintf(stdout,"WARNING ! Mesa Software renderer detected !");
}
return 0; }
--- End Message ---
--- Begin Message ---
unreproducible, please see the previous comment in the report.
--- End Message ---
