Não deu erro nenhum? Deves fazer make e depois sudo make install .... não apenas install... tens que colocar o sudo atrás!
Já instalaste o wicd?
E isto que me aparece na consola quando sigo as instruçoes:
~/Documentos/compat-wireless-2009-04-18 $ sudo make
[sudo] password for henrique:
make -C /lib/modules/2.6.27-7-generic/build M=/home/henrique/Documentos/compat-wireless-2009-04-18 modules
make[1]: Entering directory `/usr/src/linux-headers-2.6.27-7-generic'
CC [M] /home/henrique/Documentos/compat-wireless-2009-04-18/drivers/net/wireless/libertas/if_sdio.o
/home/henrique/Documentos/compat-wireless-2009-04-18/drivers/net/wireless/libertas/if_sdio.c:53: error: ‘SDIO_DEVICE_ID_MARVELL_8688WLAN’ undeclared here (not in a function)
make[4]: *** [/home/henrique/Documentos/compat-wireless-2009-04-18/drivers/net/wireless/libertas/if_sdio.o] Error 1
make[3]: *** [/home/henrique/Documentos/compat-wireless-2009-04-18/drivers/net/wireless/libertas] Error 2
make[2]: *** [/home/henrique/Documentos/compat-wireless-2009-04-18/drivers/net/wireless] Error 2
make[1]: *** [_module_/home/henrique/Documentos/compat-wireless-2009-04-18] Error 2
make[1]: Leaving directory `/usr/src/linux-headers-2.6.27-7-generic'
make: *** [modules] Error 2
henrique@henrique-laptop ~/Documentos/compat-wireless-2009-04-18 $ sudo install
install: falta operando do ficheiro
Tente 'install --help' para mais informações.
henrique@henrique-laptop ~/Documentos/compat-wireless-2009-04-18 $ sudo make install
Your old wireless subsystem modules were left intact:
/lib/modules/2.6.27-7-generic/kernel/net/mac80211/mac80211.ko
/lib/modules/2.6.27-7-generic/kernel/net/wireless/cfg80211.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/net/wireless/adm8211.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/net/wireless/ath9k/ath9k.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/net/wireless/b43/b43.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/net/wireless/b43legacy/b43legacy.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/net/b44.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/net/usb/cdc_ether.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/misc/eeprom_93cx6.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/net/wireless/ipw2100.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/net/wireless/ipw2200.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/net/wireless/iwlwifi/iwl3945.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/net/wireless/iwlwifi/iwlagn.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/net/wireless/iwlwifi/iwlcore.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/net/wireless/libertas/libertas.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/net/wireless/libertas/libertas_cs.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/net/wireless/libertas/libertas_sdio.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/net/wireless/p54/p54common.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/net/wireless/p54/p54pci.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/net/wireless/p54/p54usb.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/net/usb/rndis_host.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/net/wireless/rndis_wlan.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/net/wireless/rt2x00/rt2400pci.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/net/wireless/rt2x00/rt2500pci.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/net/wireless/rt2x00/rt2500usb.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/net/wireless/rt2x00/rt2x00lib.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/net/wireless/rt2x00/rt2x00pci.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/net/wireless/rt2x00/rt2x00usb.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/net/wireless/rt2x00/rt61pci.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/net/wireless/rt2x00/rt73usb.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/net/wireless/rtl8180.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/net/wireless/rtl8187.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/ssb/ssb.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/net/wireless/libertas/usb8xxx.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/net/usb/usbnet.ko
/lib/modules/2.6.27-7-generic/kernel/drivers/net/wireless/zd1211rw/zd1211rw.ko
make -C /lib/modules/2.6.27-7-generic/build M=/home/henrique/Documentos/compat-wireless-2009-04-18 modules
make[1]: Entering directory `/usr/src/linux-headers-2.6.27-7-generic'
CC [M] /home/henrique/Documentos/compat-wireless-2009-04-18/drivers/net/wireless/libertas/if_sdio.o
/home/henrique/Documentos/compat-wireless-2009-04-18/drivers/net/wireless/libertas/if_sdio.c:53: error: ‘SDIO_DEVICE_ID_MARVELL_8688WLAN’ undeclared here (not in a function)
make[4]: *** [/home/henrique/Documentos/compat-wireless-2009-04-18/drivers/net/wireless/libertas/if_sdio.o] Error 1
make[3]: *** [/home/henrique/Documentos/compat-wireless-2009-04-18/drivers/net/wireless/libertas] Error 2
make[2]: *** [/home/henrique/Documentos/compat-wireless-2009-04-18/drivers/net/wireless] Error 2
make[1]: *** [_module_/home/henrique/Documentos/compat-wireless-2009-04-18] Error 2
make[1]: Leaving directory `/usr/src/linux-headers-2.6.27-7-generic'
make: *** [modules] Error 2