*** Building 'vboxpci' module ***
make[1]: Entering directory `/usr/src/slapt-src/system/virtualbox-kernel/virtualbox-kernel-4.3.24/vboxpci'
make KBUILD_VERBOSE= SUBDIRS=/usr/src/slapt-src/system/virtualbox-kernel/virtualbox-kernel-4.3.24/vboxpci SRCROOT=/usr/src/slapt-src/system/virtualbox-kernel/virtualbox-kernel-4.3.24/vboxpci CONFIG_MODULE_SIG= -C /lib/modules/4.1.4/build modules
make[2]: Entering directory `/usr/src/linux-4.1.4'
WARNING: Symbol version dump ./Module.symvers
is missing; modules will have no dependencies and modversions.
CC [M] /usr/src/slapt-src/system/virtualbox-kernel/virtualbox-kernel-4.3.24/vboxpci/linux/VBoxPci-linux.o
/usr/src/slapt-src/system/virtualbox-kernel/virtualbox-kernel-4.3.24/vboxpci/linux/VBoxPci-linux.c: In function 'vboxPciOsDevRegisterIrqHandler':
/usr/src/slapt-src/system/virtualbox-kernel/virtualbox-kernel-4.3.24/vboxpci/linux/VBoxPci-linux.c:889:22: error: 'IRQF_DISABLED' undeclared (first use in this function)
IRQF_DISABLED, /* keep irqs disabled when calling the action handler */
make[1]: Entering directory `/usr/src/slapt-src/system/virtualbox-kernel/virtualbox-kernel-4.3.24/vboxpci'
make KBUILD_VERBOSE= SUBDIRS=/usr/src/slapt-src/system/virtualbox-kernel/virtualbox-kernel-4.3.24/vboxpci SRCROOT=/usr/src/slapt-src/system/virtualbox-kernel/virtualbox-kernel-4.3.24/vboxpci CONFIG_MODULE_SIG= -C /lib/modules/4.1.4/build modules
make[2]: Entering directory `/usr/src/linux-4.1.4'
WARNING: Symbol version dump ./Module.symvers
is missing; modules will have no dependencies and modversions.
CC [M] /usr/src/slapt-src/system/virtualbox-kernel/virtualbox-kernel-4.3.24/vboxpci/linux/VBoxPci-linux.o
/usr/src/slapt-src/system/virtualbox-kernel/virtualbox-kernel-4.3.24/vboxpci/linux/VBoxPci-linux.c: In function 'vboxPciOsDevRegisterIrqHandler':
/usr/src/slapt-src/system/virtualbox-kernel/virtualbox-kernel-4.3.24/vboxpci/linux/VBoxPci-linux.c:889:22: error: 'IRQF_DISABLED' undeclared (first use in this function)
IRQF_DISABLED, /* keep irqs disabled when calling the action handler */