the dynamic core compiles on linux just fine.
it's the 64 bit that doesn't work.

I tried to compile it with
./configure build/host/target=i686-suse-linux and i686-pc-linux-gnu

C_DYNAMIC_X86 gets automaticly defined with these but it still claims to lose precision. 🙁

Is there a way to compile dosbox as X86 on a 64 bit system?

CFLAGS="-march=i686 -m32"

Still does not work. 🙁

./configure reports a few things that worry me:

1checking for i686-suse-linux-gcc... no
2checking for gcc... gcc
3...
4checking size of int *... 8

It seems to always use the 64bit gcc, regardless what I set in CFLAGS, CXXFLAGS or as --host/target. Can this compiler create 32bit output? I have installed the gcc-32bit package but i can not find it in '/usr/bin/'. There are only two gcc-executables: 'gcc-4.1' and 'gcc-4.2' and one link ('gcc' -> 'gcc-4.1'). Each one returns "Target: x86_64-suse-linux" when executed with '-v'.

Umm - I am no developer, but I think i remember something about gcc-4.x not working for compilation of DOSBox?? I could be totally wrong. Maybe you can search the forum for examples of what the devs are using?

Edit: Nah - forget about that. It was some profiling/optimization that didn't work with gcc-4x.
DOSBOX .65 CVS build and optimization benchmark results

gcc-4.x works great with everything, I don't use anything else. There is exactly one program that needs gcc-3 for a good reason (it's qemu, which messes with gcc internals), all others should _always_ use the latest (stable) gcc.

I am on AMD64 as well, and you need to do a 32-bit build to use the dynamic core at the moment. This includes setting --target=i686-something AND both CFLAGS and CXXFLAGS to include -m32, AND installing all relevant libs in a 32-bit variant (mainly libc, SDL and X11, more for optional features) AND possibly adding -I / -L options to C(XX)FLAGS for 32-bit include/library paths.

I don't know enough SuSE to help you with that, but usually there are "emul" or "32bit-devel"-packages available for major software libs. It's not for the faint-hearted, but it's worth it 😉

Okay, I checked whether -devel-32bit libs are installed. Include files in /usr/include seem to be for both /usr/lib and /usr/lib64. I set

1LDFLAGS="-L/usr/lib"
2CFLAGS="-march=i686 -mtune=i686 -mt32 -O3 -L/usr/lib"
3CXXFLAGS=$CFLAGS
4make distclean
5./configure --target=i686-pc-linux-gnu
6make

but still got the "loses precision" error.

After that I tried to compile SDL_sound to use your precompiled build. I had to give up at:

1grep: /usr/lib64/libstdc++.la: No such file or directory

The positive side is that I did not reset the environment variables and have now a good method to see which lib directory gcc uses 🙄
Sadly -L/usr/lib seems to get ignored.

it's -m32 not -mt32 😉

Moreover, check that your C(XX)FLAGS are actually used. You may have to "export CFLAGS CXXFLAGS ..." in your shell before running configure.

Oh well, I screwed up. 😵
Dosbox was not the only program I tried to compile and some media libraries ran amok with the stored dependancies.

I reinstalled Suse in the current version 10.2, it reintegrated my /home partition perfectly (I really begin to love linux).

I'm currently away from home but will be back in the middle of next week and immediatly try the additional export command, thanks for all help. 😀

Using the export command worked. 😀

Unfortunately, it seems that you can only install one version of some libraries on OpenSuse, 32 bit or 64 bit. They're listed in the software configuration as alternatives but I couldn't figure out how to install both at the same time. 🙁

A compile made in a 32bit virtual machine complained about the same thing, it could not find the shared object of the 32bit version of the libraries.

I'll continue trying next week...

On my Debian64 I couldn't find a way around the errors for dosbox 0.72 (e.g. compile it for 32-bit emulation), but I was able to apply Gulikoza's patch, did some modifications to make it compile and it works with openglide now.

@Gulikoza: I have no web page to put the new patch on (tested for x32 and x64 Debian Linux), but if you want to have it, just give me an email adress to send it to.

What patch are you talking about? You can attach it here on the forum.
And use the 0.73 sources, they should compile w/o problems on x86_64.

The sources compile fine, I was talking about the openglide patch for Dosbox. But as I see now, you already updated it, so you probably don't need my patch.