:~$ cd home/thami/Desktop/btsco-0.5 bash: cd: home/thami/Desktop/btsco-0.5: No such file or directory thami@Xerox:~$ cd /home/thami/Desktop/btsco-0.5 thami@Xerox:~/Desktop/btsco-0.5$ ./configure checking for a BSD-compatible install... /usr/bin/install -c checking whether build environment is sane... yes checking for gawk... no checking for mawk... mawk checking whether make sets $(MAKE)... yes checking for gcc... gcc checking for C compiler default output file name... a.out checking whether the C compiler works... yes checking whether we are cross compiling... no checking for suffix of executables... checking for suffix of object files... o checking whether we are using the GNU C compiler... yes checking whether gcc accepts -g... yes checking for gcc option to accept ISO C89... none needed checking for style of include used by make... GNU checking dependency style of gcc... gcc3 checking for a BSD-compatible install... /usr/bin/install -c checking for ranlib... ranlib checking how to run the C preprocessor... gcc -E checking for grep that handles long lines and -e... /bin/grep checking for egrep... /bin/grep -E checking for ANSI C header files... yes checking for sys/types.h... yes checking for sys/stat.h... yes checking for stdlib.h... yes checking for string.h... yes checking for memory.h... yes checking for strings.h... yes checking for inttypes.h... yes checking for stdint.h... yes checking for unistd.h... yes checking bluetooth/bluetooth.h usability... no checking bluetooth/bluetooth.h presence... no checking for bluetooth/bluetooth.h... no configure: error: Bluetooth header files not found thami@Xerox:~/Desktop/btsco-0.5$