kernel/Makefile

   1 #
   2 # Makefile for the linux kernel.
   3 #
   4
   5 obj-y     = sched.o fork.o exec_domain.o panic.o printk.o \
   6             cpu.o exit.o itimer.o time.o softirq.o resource.o \
   7             sysctl.o sysctl_binary.o capability.o ptrace.o timer.o user.o \
   8             signal.o sys.o kmod.o workqueue.o pid.o \
   9             rcupdate.o extable.o params.o posix-timers.o \
  10             kthread.o wait.o kfifo.o sys_ni.o posix-cpu-timers.o mutex.o \
  11             hrtimer.o rwsem.o nsproxy.o srcu.o semaphore.o \
  12             notifier.o ksysfs.o pm_qos_params.o sched_clock.o cred.o \
  13             async.o range.o jump_label.o
  14 obj-y += groups.o
  15
  16 ifdef CONFIG_FUNCTION_TRACER
  17 # Do not trace debug files and internal ftrace files
  18 CFLAGS_REMOVE_lockdep.o = -pg
  19 CFLAGS_REMOVE_lockdep_proc.o = -pg
  20 CFLAGS_REMOVE_mutex-debug.o = -pg
  21 CFLAGS_REMOVE_rtmutex-debug.o = -pg
  22 CFLAGS_REMOVE_cgroup-debug.o = -pg
  23 CFLAGS_REMOVE_sched_clock.o = -pg
  24 CFLAGS_REMOVE_irq_work.o = -pg
  25 endif
  26
  27 obj-$(CONFIG_FREEZER) += freezer.o
  28 obj-$(CONFIG_PROFILING) += profile.o
  29 obj-$(CONFIG_SYSCTL_SYSCALL_CHECK) += sysctl_check.o
  30 obj-$(CONFIG_STACKTRACE) += stacktrace.o
  31 obj-y += time/
  32 obj-$(CONFIG_DEBUG_MUTEXES) += mutex-debug.o
  33 obj-$(CONFIG_LOCKDEP) += lockdep.o
  34 ifeq ($(CONFIG_PROC_FS),y)
  35 obj-$(CONFIG_LOCKDEP) += lockdep_proc.o
  36 endif
  37 obj-$(CONFIG_FUTEX) += futex.o
  38 ifeq ($(CONFIG_COMPAT),y)
  39 obj-$(CONFIG_FUTEX) += futex_compat.o
  40 endif
  41 obj-$(CONFIG_RT_MUTEXES) += rtmutex.o
  42 obj-$(CONFIG_DEBUG_RT_MUTEXES) += rtmutex-debug.o
  43 obj-$(CONFIG_RT_MUTEX_TESTER) += rtmutex-tester.o
  44 obj-$(CONFIG_GENERIC_ISA_DMA) += dma.o
  45 obj-$(CONFIG_SMP) += smp.o
  46 ifneq ($(CONFIG_SMP),y)
  47 obj-y += up.o
  48 endif
  49 obj-$(CONFIG_SMP) += spinlock.o
  50 obj-$(CONFIG_DEBUG_SPINLOCK) += spinlock.o
  51 obj-$(CONFIG_PROVE_LOCKING) += spinlock.o
  52 obj-$(CONFIG_UID16) += uid16.o
  53 obj-$(CONFIG_MODULES) += module.o
  54 obj-$(CONFIG_KALLSYMS) += kallsyms.o
  55 obj-$(CONFIG_PM) += power/
  56 obj-$(CONFIG_FREEZER) += power/
  57 obj-$(CONFIG_BSD_PROCESS_ACCT) += acct.o
  58 obj-$(CONFIG_KEXEC) += kexec.o
  59 obj-$(CONFIG_BACKTRACE_SELF_TEST) += backtracetest.o
  60 obj-$(CONFIG_COMPAT) += compat.o
  61 obj-$(CONFIG_CGROUPS) += cgroup.o
  62 obj-$(CONFIG_CGROUP_FREEZER) += cgroup_freezer.o
  63 obj-$(CONFIG_CPUSETS) += cpuset.o
  64 obj-$(CONFIG_UTS_NS) += utsname.o
  65 obj-$(CONFIG_USER_NS) += user_namespace.o
  66 obj-$(CONFIG_PID_NS) += pid_namespace.o
  67 obj-$(CONFIG_IKCONFIG) += configs.o
  68 obj-$(CONFIG_RESOURCE_COUNTERS) += res_counter.o
  69 obj-$(CONFIG_SMP) += stop_machine.o
  70 obj-$(CONFIG_KPROBES_SANITY_TEST) += test_kprobes.o
  71 obj-$(CONFIG_AUDIT) += audit.o auditfilter.o
  72 obj-$(CONFIG_AUDITSYSCALL) += auditsc.o
  73 obj-$(CONFIG_AUDIT_WATCH) += audit_watch.o
  74 obj-$(CONFIG_AUDIT_TREE) += audit_tree.o
  75 obj-$(CONFIG_GCOV_KERNEL) += gcov/
  76 obj-$(CONFIG_KPROBES) += kprobes.o
  77 obj-$(CONFIG_KGDB) += debug/
  78 obj-$(CONFIG_DETECT_HUNG_TASK) += hung_task.o
  79 obj-$(CONFIG_LOCKUP_DETECTOR) += watchdog.o
  80 obj-$(CONFIG_GENERIC_HARDIRQS) += irq/
  81 obj-$(CONFIG_SECCOMP) += seccomp.o
  82 obj-$(CONFIG_RCU_TORTURE_TEST) += rcutorture.o
  83 obj-$(CONFIG_TREE_RCU) += rcutree.o
  84 obj-$(CONFIG_TREE_PREEMPT_RCU) += rcutree.o
  85 obj-$(CONFIG_TREE_RCU_TRACE) += rcutree_trace.o
  86 obj-$(CONFIG_TINY_RCU) += rcutiny.o
  87 obj-$(CONFIG_TINY_PREEMPT_RCU) += rcutiny.o
  88 obj-$(CONFIG_RELAY) += relay.o
  89 obj-$(CONFIG_SYSCTL) += utsname_sysctl.o
  90 obj-$(CONFIG_TASK_DELAY_ACCT) += delayacct.o
  91 obj-$(CONFIG_TASKSTATS) += taskstats.o tsacct.o
  92 obj-$(CONFIG_TRACEPOINTS) += tracepoint.o
  93 obj-$(CONFIG_LATENCYTOP) += latencytop.o
  94 obj-$(CONFIG_BINFMT_ELF) += elfcore.o
  95 obj-$(CONFIG_COMPAT_BINFMT_ELF) += elfcore.o
  96 obj-$(CONFIG_BINFMT_ELF_FDPIC) += elfcore.o
  97 obj-$(CONFIG_FUNCTION_TRACER) += trace/
  98 obj-$(CONFIG_TRACING) += trace/
  99 obj-$(CONFIG_X86_DS) += trace/
 100 obj-$(CONFIG_RING_BUFFER) += trace/
 101 obj-$(CONFIG_TRACEPOINTS) += trace/
 102 obj-$(CONFIG_SMP) += sched_cpupri.o
 103 obj-$(CONFIG_IRQ_WORK) += irq_work.o
 104
 105 obj-$(CONFIG_PERF_EVENTS) += events/
 106
 107 obj-$(CONFIG_USER_RETURN_NOTIFIER) += user-return-notifier.o
 108 obj-$(CONFIG_PADATA) += padata.o
 109 obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
 110
 111 ifneq ($(CONFIG_SCHED_OMIT_FRAME_POINTER),y)
 112 # According to Alan Modra <alan@linuxcare.com.au>, the -fno-omit-frame-pointer is
 113 # needed for x86 only.  Why this used to be enabled for all architectures is beyond
 114 # me.  I suspect most platforms don't need this, but until we know that for sure
 115 # I turn this off for IA-64 only.  Andreas Schwab says it's also needed on m68k
 116 # to get a correct value for the wait-channel (WCHAN in ps). --davidm
 117 CFLAGS_sched.o := $(PROFILING) -fno-omit-frame-pointer
 118 endif
 119
 120 $(obj)/configs.o: $(obj)/config_data.h
 121
 122 # config_data.h contains the same information as ikconfig.h but gzipped.
 123 # Info from config_data can be extracted from /proc/config*
 124 targets += config_data.gz
 125 $(obj)/config_data.gz: $(KCONFIG_CONFIG) FORCE
 126         $(call if_changed,gzip)
 127
 128       filechk_ikconfiggz = (echo "static const char kernel_config_data[] __used = MAGIC_START"; cat $< | scripts/bin2c; echo "MAGIC_END;")
 129 targets += config_data.h
 130 $(obj)/config_data.h: $(obj)/config_data.gz FORCE
 131         $(call filechk,ikconfiggz)
 132
 133 $(obj)/time.o: $(obj)/timeconst.h
 134
 135 quiet_cmd_timeconst  = TIMEC   $@
 136       cmd_timeconst  = $(PERL) $< $(CONFIG_HZ) > $@
 137 targets += timeconst.h
 138 $(obj)/timeconst.h: $(src)/timeconst.pl FORCE
 139         $(call if_changed,timeconst)