angelo@angelo-Inspiron-N5010:~$  cat /var/lib/dkms/broadcom-sta/6.30.223.141/build/make.log
DKMS make.log for broadcom-sta-6.30.223.141 for kernel 3.16.0-30-generic (x86_64)
mar 24 feb 2015, 23.57.53, CET
/bin/sh: 1: [: Illegal number: 
/bin/sh: 1: [: Illegal number: 
Wireless Extension is the only possible API for this kernel version
Using Wireless Extension API
KBUILD_NOPEDANTIC=1 make -C /lib/modules/3.16.0-30-generic/build M=/var/lib/dkms/broadcom-sta/6.30.223.141/build
make[1]: Entering directory '/usr/src/linux-headers-3.16.0-30-generic'
CFG80211 API is prefered for this kernel version
Using CFG80211 API
Kernel architecture is X86_64
  LD      /var/lib/dkms/broadcom-sta/6.30.223.141/build/built-in.o
  CC [M]  /var/lib/dkms/broadcom-sta/6.30.223.141/build/src/shared/linux_osl.o
  CC [M]  /var/lib/dkms/broadcom-sta/6.30.223.141/build/src/wl/sys/wl_linux.o
/var/lib/dkms/broadcom-sta/6.30.223.141/build/src/wl/sys/wl_linux.c: In function ‘wl_dump_ver’:
/var/lib/dkms/broadcom-sta/6.30.223.141/build/src/wl/sys/wl_linux.c:2039:3: error: macro "__DATE__" might prevent reproducible builds [-Werror=date-time]
   __DATE__, __TIME__, EPI_VERSION_STR);
   ^
/var/lib/dkms/broadcom-sta/6.30.223.141/build/src/wl/sys/wl_linux.c:2039:13: error: macro "__TIME__" might prevent reproducible builds [-Werror=date-time]
   __DATE__, __TIME__, EPI_VERSION_STR);
             ^
cc1: some warnings being treated as errors
scripts/Makefile.build:257: recipe for target '/var/lib/dkms/broadcom-sta/6.30.223.141/build/src/wl/sys/wl_linux.o' failed
make[2]: *** [/var/lib/dkms/broadcom-sta/6.30.223.141/build/src/wl/sys/wl_linux.o] Error 1
Makefile:1345: recipe for target '_module_/var/lib/dkms/broadcom-sta/6.30.223.141/build' failed
make[1]: *** [_module_/var/lib/dkms/broadcom-sta/6.30.223.141/build] Error 2
make[1]: Leaving directory '/usr/src/linux-headers-3.16.0-30-generic'
Makefile:157: recipe for target 'all' failed
make: *** [all] Error 2
angelo@angelo-Inspiron-N5010:~$