Question: Recently I downloaded qemu, and ran configure, make and make install.
when I run 

```
qemu-system-sparc linux-0.2.img

```

I just see a message below 

> 
> VNC server running on `::1:5900'
> 
> 
> 

At this state, when I open vncviewer window by typing `vncviewer :5900`, then I see the window.  

The window shows the emulated screen 

> 
> Welcome to OpenBIOS v1.1 build on Mar 10 2014 08:41  
> 
>  Type 'help'
>  for detailed information  
> 
>  Trying disk...  
> 
>  No valid state has been
>  set by load or init-program  
> 
>  0>
> 
> 
> 

How can I make the vnc window come up automatically? and how do I supply right linux image?  

when I build my linux image, I can get sImage.elf or sImage.bin which contains the file system too.

Answer: 
I solved this problem by installing sdl-devel to my CentOS.
I reran ./configure --target-list=sparc-softmmu --enable-sdl
and did make, make install
and the problem is gone!
first
according to what @Chan Kim said, but there is nothing about `qemu-system-i386` and `qemu-system-x86_64` in `qemu/bin`.

then
run `./configure --prefix=/data/local/qemu --target-list=i386-softmmu,arm-softmmu,x86_64-softmmu --disable-vnc --enable-sdl`, then I find all about qemu-system.