Unix Programming - creating a .so file

Author

creating a .so file

Gernot Frisch

2006-09-19, 7:02 pm

I'm new to this goup, so - hello first.

I've written some small games for linux on the xbox. I use OpenGL
(mostly 2D) and only have software emulation on xbox linux. Now, mesa
is quite slow and I have my own OpenGL implementation for PocketPC.

My questions now:
- can I create a libopengl.so from my files
- how would I do this
- will it be loaded instead of mesa, when placed in
program's directory?

Thanks a lot,

--
-Gernot
int main(int argc, char** argv) {printf
("%silto%c%cf%cgl%ssic%ccom%c", "ma", 58, 'g', 64, "ba", 46, 10);}

Damian 'legion' Szuberski

2006-09-19, 7:02 pm

On 2006-09-19, Gernot Frisch wrote:
> I'm new to this goup, so - hello first.
Yo!

> I've written some small games for linux on the xbox. I use OpenGL
> (mostly 2D) and only have software emulation on xbox linux. Now, mesa
> is quite slow and I have my own OpenGL implementation for PocketPC.
Sounds exciting.

> My questions now:
> - can I create a libopengl.so from my files
Which files?

> - how would I do this
What do you really want to do?

> - will it be loaded instead of mesa, when placed in
> program's directory?
No.

> Thanks a lot,
You're welcome.

--
Damian Szuberski

Gernot Frisch

2006-09-19, 7:02 pm

> Which files?

I have a working set of .h and .c files, that (if compiled/linked)
will make an OpenGL program. Now I want the glDoSomething functions in
a .so file, thus replacing the original libopengl.so (which usually is
just a symbolic link to something else)

> What do you really want to do?

gcc -make_so myfile.c mylib.so

XD

> No.

OK, I'll make a symbolic link and overwrite mine for default OpenGL.
It's just for the xbox anyway.

Thank you,
-Gernot

Damian 'legion' Szuberski

2006-09-19, 7:02 pm

On 2006-09-19, Gernot Frisch wrote:
> I have a working set of .h and .c files, that (if compiled/linked)
> will make an OpenGL program. Now I want the glDoSomething functions in
> a .so file, thus replacing the original libopengl.so (which usually is
> just a symbolic link to something else)
> gcc -make_so myfile.c mylib.so
www.linuxfocus.org/English/November1997/article6.html

Here you are link. Why didn't you use google before?
If something is unclear don't hesitate to ask.

--
Damian Szuberski

Gernot Frisch

2006-09-20, 4:00 am

> Here you are link. Why didn't you use google before?
> If something is unclear don't hesitate to ask.

Got a problem with my cross compiler here:
#: g++ -shared -L.
tinygl.o -olibtinygl.so.001.006.263 -Wl,-soname,libtinygl.so.001
collect2: cannot find 'ld'

I can start ld manually. Is there any way of making the ld call after
I've got the compiled .o file?
I also have ranlib - if that is of any help...

Damian 'legion' Szuberski

2006-09-20, 4:00 am

On 2006-09-20, Gernot Frisch wrote:
> Got a problem with my cross compiler here:
> #: g++ -shared -L.
> tinygl.o -olibtinygl.so.001.006.263 -Wl,-soname,libtinygl.so.001
> collect2: cannot find 'ld'
Strange. Maybe you mixed options. Try use ld instead:

ld -shared -soname xxx.111 -o xxx.111.222.333 [list of .o files]

--
Damian Szuberski

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