Checking for mtrr support ... yes 
Checking for GCC & CPU optimization abilities ... native 
Checking for byte order ... little-endian 
Checking for extern symbol prefix ...  
Checking for assembler support of -pipe option ... yes 
Checking for compiler support of named assembler arguments ... yes 
Checking for PIC ... no 
Checking for .align is a power of two ... no 
Checking for 10 assembler operands ... yes 
Checking for ebx availability ... yes 
Checking for yasm ... 
Error: yasm not found, use --yasm='' if you really want to compile without

Check "config.log" if you do not understand why it failed.
Makefile:22: config.mak: Datei oder Verzeichnis nicht gefunden
make: *** osdep/: Ist ein Verzeichnis.  Schluss.