manuel@ubuntu:~/Desktop/realtek-linux-audiopack-3.5-6/alsa-driver-1.0.9b_26$ ./configure --with-kernel="/usr"
checking for gcc... gcc
checking for C compiler default output... a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables...
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ANSI C... none needed
checking for ranlib... ranlib
checking for a BSD-compatible install... /usr/bin/install -c
checking how to run the C preprocessor... gcc -E
checking for egrep... grep -E
checking for ANSI C header files... yes
checking for an ANSI C-conforming const... yes
checking for inline... inline
checking whether time.h and sys/time.h may both be included... yes
checking whether gcc needs -traditional... no
checking for current directory... /home/manuel/Desktop/realtek-linux-audiopack-3.5-6/alsa-driver-1.0.9b_26
checking cross compile...
checking for directory with kernel source... /usr
checking for directory with kernel build...
checking for kernel version... 2.6.11
checking for GCC version... Kernel compiler: Used compiler: gcc (GCC) 4.0.3 (Ubuntu 4.0.3-1ubuntu5)
*** NO PREDEFINED KERNEL COMPILER IS DETECTED
*** Assuming the same compiler is used with the current system compiler.
*** Please make sure that the same compiler version was used for building kernel.