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# 22  
Old 03-16-2011
Try export LD_PRELOAD="/usr/lib/speedhack.so"

Giving it the absolute path means you might even be able to keep it in /usr/local/lib/, not cluttered in with your actual system libraries.

---------- Post updated at 03:01 PM ---------- Previous update was at 02:48 PM ----------

Another thing just occurred to me. This is a 64-bit OS, right? Are some of these programs 32-bit? You'll need to compile a 32-bit speedhack.so for them (CFLAGS=-m32 in makefile) since you can't mix and match 32 and 64 bit libraries. Linux's message when this kind of conflict happens, "file not found", is singularly uninformative and took me a long time to get my head around.
This User Gave Thanks to Corona688 For This Post:
lilezek
# 23  
Old 03-16-2011
I did:

Code:
$ ls /usr/lib/*hack*so
/usr/lib/openglhack32.so  /usr/lib/openglhack.so  /usr/lib/speedhack.so
$ export LD_PRELOAD=/usr/lib/openglhack32.so
$ quake4
ERROR: ld.so: object '/usr/lib/openglhack32.so' from LD_PRELOAD cannot be preloaded: ignored.0
...

# 24  
Old 03-16-2011
I think you tried to preload the wrong library there... Anyway:
Quote:
Originally Posted by Corona688
Another thing just occurred to me. This is a 64-bit OS, right? Are some of these programs 32-bit? You'll need to compile a 32-bit speedhack.so for them (CFLAGS=-m32 in makefile) since you can't mix and match 32 and 64 bit libraries. Linux's message when this kind of conflict happens, "file not found", is singularly uninformative and took me a long time to get my head around.
This User Gave Thanks to Corona688 For This Post:
lilezek
# 25  
Old 03-16-2011
I see, but I don't know any way to give you more details. I always try to give as much details as I can.

openglhack32 is compiled (and linked) with -m32 and march-i386 (or something similar). So I don't know what to do now to test it for you.
# 26  
Old 03-16-2011
For starters you could answer the question I did ask; are these programs in fact 32-bit? Is it only the 32-bit ones that are failing?

I'll add onto that, you can ldd /path/to/program and ldd /path/to/libspeedhack.so to see what things they demand and are loading.

It could still because you're hellbent on using C++, too. It could be pining for C++ libraries that the executable in question didn't bother to load, or conflicting with different versions it does load.
This User Gave Thanks to Corona688 For This Post:
lilezek
# 27  
Old 03-16-2011
Quake4 seems to be 32 bits. The other one (tileracer) too.

Okay, this seems to be the problem. By the way, I compiled openglhack32 (which is a void override of glBegin) and speedhack32 (32 bit version of speedhack) and I did:

Code:
$ export LD_PRELOAD=speedhack32.so
$ quake4
ERROR: ld.so: object 'speedhack32.so' from LD_PRELOAD cannot be preloaded: ignored.
...
$ ldd /usr/lib32/speedhack32.so
    linux-gate.so.1 =>  (0xf7742000)
    libdl.so.2 => /lib32/libdl.so.2 (0xf770d000)
    libstdc++.so.6 => /usr/lib32/libstdc++.so.6 (0xf7622000)
    libm.so.6 => /lib32/libm.so.6 (0xf75fb000)
    libgcc_s.so.1 => /usr/lib32/libgcc_s.so.1 (0xf75df000)
    libc.so.6 => /lib32/libc.so.6 (0xf7484000)
    /lib/ld-linux.so.2 (0xf7743000)

By the way, I don't know why it say it couldn't load but it seems to load, because I had speedhack (but openglhack didn't work).

I will post a conclusion when I understand a bit more of this situation. Thank you corona for help me. The ldd command helped me to secure that I'm loading 32 bits libraries.
# 28  
Old 03-16-2011
I'd still like to see ldd quake4. And I'd still like to know whether the programs that're failing are mostly 32-bit programs. And I'd still like to know if you're compiling all these as C++ and I'd still like to know what bits you really need to be C++.

It may be failing to preload parts of it but not all of it.
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