CC [M]  /usr/src/modules/pwc/pwc-if.o                                    ↑ 
 │ In file included from /usr/src/modules/pwc/pwc-if.c:69:                    ▒ 
 │ /usr/src/modules/pwc/pwc.h:28:26: error: linux/config.h: No such file or   ▒ 
 │ directory                                                                  ▒ 
 │ /usr/src/modules/pwc/pwc-if.c: In function ‘pwc_isoc_init’:                ▒ 
 │ /usr/src/modules/pwc/pwc-if.c:920: warning: assignment from incompatible   ▒ 
 │ pointer type                                                               ▒ 
 │ make[4]: *** [/usr/src/modules/pwc/pwc-if.o] Error 1                       ▒ 
 │ make[3]: *** [_module_/usr/src/modules/pwc] Error 2                        ▒ 
 │ make[3]: Leaving directory `/usr/src/linux-headers-2.6.20-15-386'          ▒ 
 │ make[2]: *** [all] Error 2                                                 ▒ 
 │ make[2]: Leaving directory `/usr/src/modules/pwc'                          ▒ 
 │ make[1]: *** [binary-modules] Error 2                                      ▒ 
 │ make[1]: Leaving directory `/usr/src/modules/pwc'                          ▮ 
 │ make: *** [kdist_build] Error 2