cc1: warnings being treated as errors
../../../../arch/xen/i386/cpu.c: In function 'cpu_init_first':
../../../../arch/xen/i386/cpu.c:196: warning: implicit declaration of function '
lapic_cpu_number'
../../../../arch/xen/i386/cpu.c: In function 'cpu_hatch':
../../../../arch/xen/i386/cpu.c:676: warning: implicit declaration of function '
lapic_enable'
../../../../arch/xen/i386/cpu.c:677: warning: implicit declaration of function '
lapic_initclocks'
../../../../arch/xen/i386/cpu.c:688: warning: implicit declaration of function '
lapic_set_lvt'
../../../../arch/xen/i386/cpu.c:697: error: 'lapic_tpr' undeclared (first use in
 this function)
../../../../arch/xen/i386/cpu.c:697: error: (Each undeclared identifier is repor
ted only once
../../../../arch/xen/i386/cpu.c:697: error: for each function it appears in.)
../../../../arch/xen/i386/cpu.c: In function 'cpu_set_tss_gates':
../../../../arch/xen/i386/cpu.c:810: warning: implicit declaration of function '
cpu_init_tss'
../../../../arch/xen/i386/cpu.c:813: error: 'sd' undeclared (first use in this f
unction)