# make defconfig-rtlwifi
cc -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -c -o conf.o conf.c
cc -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -c -o zconf.tab.o zconf.tab.c
cc conf.o zconf.tab.o -o conf
#
# configuration written to .config
#
# make
make[5]: `conf' está actualizado.
#
# configuration written to .config
#
Building backport-include/backport/autoconf.h ... done.
CC [M] /home/ricardo/Descargas/backports-3.11-rc3-1/compat/main.o
CC [M] /home/ricardo/Descargas/backports-3.11-rc3-1/compat/compat-3.3.o
In file included from /usr/src/linux-headers-3.2.0-4-common/arch/x86/include/asm/swiotlb.h:4:0,
from /usr/src/linux-headers-3.2.0-4-common/arch/x86/include/asm/dma-mapping.h:14,
from /home/ricardo/Descargas/backports-3.11-rc3-1/backport-include/asm/dma-mapping.h:3,
from /usr/src/linux-headers-3.2.0-4-common/include/linux/dma-mapping.h:68,
from /home/ricardo/Descargas/backports-3.11-rc3-1/backport-include/linux/dma-mapping.h:3,
from /usr/src/linux-headers-3.2.0-4-common/include/linux/skbuff.h:32,
from /home/ricardo/Descargas/backports-3.11-rc3-1/backport-include/linux/skbuff.h:3,
from /home/ricardo/Descargas/backports-3.11-rc3-1/compat/compat-3.3.c:13:
/home/ricardo/Descargas/backports-3.11-rc3-1/backport-include/linux/swiotlb.h:11:29: error: static declaration of ‘swiotlb_nr_tbl’ follows non-static declaration
/usr/src/linux-headers-3.2.0-4-common/include/linux/swiotlb.h:27:22: note: previous declaration of ‘swiotlb_nr_tbl’ was here
make[8]: *** [/home/ricardo/Descargas/backports-3.11-rc3-1/compat/compat-3.3.o] Error 1
make[7]: *** [/home/ricardo/Descargas/backports-3.11-rc3-1/compat] Error 2
make[6]: *** [_module_/home/ricardo/Descargas/backports-3.11-rc3-1] Error 2
make[5]: *** [sub-make] Error 2
make[4]: *** [all] Error 2
make[3]: *** [modules] Error 2
make[2]: *** [modules] Error 2
make[1]: *** [modules] Error 2
make: *** [default] Error 2