LXR linux/kernel/Makefile

   1#
   2# Makefile for the linux kernel.
   3#
   4
   5obj-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
  14obj-y += groups.o
  15
  16ifdef CONFIG_FUNCTION_TRACER
  17# Do not trace debug files and internal ftrace files
  18CFLAGS_REMOVE_lockdep.o = -pg
  19CFLAGS_REMOVE_lockdep_proc.o = -pg
  20CFLAGS_REMOVE_mutex-debug.o = -pg
  21CFLAGS_REMOVE_rtmutex-debug.o = -pg
  22CFLAGS_REMOVE_cgroup-debug.o = -pg
  23CFLAGS_REMOVE_sched_clock.o = -pg
  24CFLAGS_REMOVE_perf_event.o = -pg
  25CFLAGS_REMOVE_irq_work.o = -pg
  26endif
  27
  28obj-$(CONFIG_FREEZER) += freezer.o
  29obj-$(CONFIG_PROFILING) += profile.o
  30obj-$(CONFIG_SYSCTL_SYSCALL_CHECK) += sysctl_check.o
  31obj-$(CONFIG_STACKTRACE) += stacktrace.o
  32obj-y += time/
  33obj-$(CONFIG_DEBUG_MUTEXES) += mutex-debug.o
  34obj-$(CONFIG_LOCKDEP) += lockdep.o
  35ifeq ($(CONFIG_PROC_FS),y)
  36obj-$(CONFIG_LOCKDEP) += lockdep_proc.o
  37endif
  38obj-$(CONFIG_FUTEX) += futex.o
  39ifeq ($(CONFIG_COMPAT),y)
  40obj-$(CONFIG_FUTEX) += futex_compat.o
  41endif
  42obj-$(CONFIG_RT_MUTEXES) += rtmutex.o
  43obj-$(CONFIG_DEBUG_RT_MUTEXES) += rtmutex-debug.o
  44obj-$(CONFIG_RT_MUTEX_TESTER) += rtmutex-tester.o
  45obj-$(CONFIG_GENERIC_ISA_DMA) += dma.o
  46obj-$(CONFIG_SMP) += smp.o
  47ifneq ($(CONFIG_SMP),y)
  48obj-y += up.o
  49endif
  50obj-$(CONFIG_SMP) += spinlock.o
  51obj-$(CONFIG_DEBUG_SPINLOCK) += spinlock.o
  52obj-$(CONFIG_PROVE_LOCKING) += spinlock.o
  53obj-$(CONFIG_UID16) += uid16.o
  54obj-$(CONFIG_MODULES) += module.o
  55obj-$(CONFIG_KALLSYMS) += kallsyms.o
  56obj-$(CONFIG_PM) += power/
  57obj-$(CONFIG_FREEZER) += power/
  58obj-$(CONFIG_BSD_PROCESS_ACCT) += acct.o
  59obj-$(CONFIG_KEXEC) += kexec.o
  60obj-$(CONFIG_BACKTRACE_SELF_TEST) += backtracetest.o
  61obj-$(CONFIG_COMPAT) += compat.o
  62obj-$(CONFIG_CGROUPS) += cgroup.o
  63obj-$(CONFIG_CGROUP_FREEZER) += cgroup_freezer.o
  64obj-$(CONFIG_CPUSETS) += cpuset.o
  65obj-$(CONFIG_CGROUP_NS) += ns_cgroup.o
  66obj-$(CONFIG_UTS_NS) += utsname.o
  67obj-$(CONFIG_USER_NS) += user_namespace.o
  68obj-$(CONFIG_PID_NS) += pid_namespace.o
  69obj-$(CONFIG_IKCONFIG) += configs.o
  70obj-$(CONFIG_RESOURCE_COUNTERS) += res_counter.o
  71obj-$(CONFIG_SMP) += stop_machine.o
  72obj-$(CONFIG_KPROBES_SANITY_TEST) += test_kprobes.o
  73obj-$(CONFIG_AUDIT) += audit.o auditfilter.o
  74obj-$(CONFIG_AUDITSYSCALL) += auditsc.o
  75obj-$(CONFIG_AUDIT_WATCH) += audit_watch.o
  76obj-$(CONFIG_AUDIT_TREE) += audit_tree.o
  77obj-$(CONFIG_GCOV_KERNEL) += gcov/
  78obj-$(CONFIG_KPROBES) += kprobes.o
  79obj-$(CONFIG_KGDB) += debug/
  80obj-$(CONFIG_DETECT_HUNG_TASK) += hung_task.o
  81obj-$(CONFIG_LOCKUP_DETECTOR) += watchdog.o
  82obj-$(CONFIG_GENERIC_HARDIRQS) += irq/
  83obj-$(CONFIG_SECCOMP) += seccomp.o
  84obj-$(CONFIG_RCU_TORTURE_TEST) += rcutorture.o
  85obj-$(CONFIG_TREE_RCU) += rcutree.o
  86obj-$(CONFIG_TREE_PREEMPT_RCU) += rcutree.o
  87obj-$(CONFIG_TREE_RCU_TRACE) += rcutree_trace.o
  88obj-$(CONFIG_TINY_RCU) += rcutiny.o
  89obj-$(CONFIG_TINY_PREEMPT_RCU) += rcutiny.o
  90obj-$(CONFIG_RELAY) += relay.o
  91obj-$(CONFIG_SYSCTL) += utsname_sysctl.o
  92obj-$(CONFIG_TASK_DELAY_ACCT) += delayacct.o
  93obj-$(CONFIG_TASKSTATS) += taskstats.o tsacct.o
  94obj-$(CONFIG_TRACEPOINTS) += tracepoint.o
  95obj-$(CONFIG_LATENCYTOP) += latencytop.o
  96obj-$(CONFIG_BINFMT_ELF) += elfcore.o
  97obj-$(CONFIG_COMPAT_BINFMT_ELF) += elfcore.o
  98obj-$(CONFIG_BINFMT_ELF_FDPIC) += elfcore.o
  99obj-$(CONFIG_FUNCTION_TRACER) += trace/
 100obj-$(CONFIG_TRACING) += trace/
 101obj-$(CONFIG_X86_DS) += trace/
 102obj-$(CONFIG_RING_BUFFER) += trace/
 103obj-$(CONFIG_TRACEPOINTS) += trace/
 104obj-$(CONFIG_SMP) += sched_cpupri.o
 105obj-$(CONFIG_IRQ_WORK) += irq_work.o
 106obj-$(CONFIG_PERF_EVENTS) += perf_event.o
 107obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o
 108obj-$(CONFIG_USER_RETURN_NOTIFIER) += user-return-notifier.o
 109obj-$(CONFIG_PADATA) += padata.o
 110
 111ifneq ($(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
 117CFLAGS_sched.o := $(PROFILING) -fno-omit-frame-pointer
 118endif
 119
 120$(obj)/configs.o: $(obj)/config_data.h
 121
 122# config_data.h contains the same information as ikconfig.h but gzipped.
 123# Info from config_data can be extracted from /proc/config*
 124targets += config_data.gz
 125$(obj)/config_data.gz: $(KCONFIG_CONFIG) FORCE
 126        $(call if_changed,gzip)
 127
 128quiet_cmd_ikconfiggz = IKCFG   $@
 129      cmd_ikconfiggz = (echo "static const char kernel_config_data[] __used = MAGIC_START"; cat $< | scripts/bin2c; echo "MAGIC_END;") > $@
 130targets += config_data.h
 131$(obj)/config_data.h: $(obj)/config_data.gz FORCE
 132        $(call if_changed,ikconfiggz)
 133
 134$(obj)/time.o: $(obj)/timeconst.h
 135
 136quiet_cmd_timeconst  = TIMEC   $@
 137      cmd_timeconst  = $(PERL) $< $(CONFIG_HZ) > $@
 138targets += timeconst.h
 139$(obj)/timeconst.h: $(src)/timeconst.pl FORCE
 140        $(call if_changed,timeconst)
 141