xref: /linux/kernel/Makefile (revision 6e8331ac6973435b1e7604c30f2ad394035b46e1) 
1#
2# Makefile for the linux kernel.
3#
4
5obj-y     = sched.o fork.o exec_domain.o panic.o printk.o profile.o \
6	    exit.o itimer.o time.o softirq.o resource.o \
7	    sysctl.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
12
13obj-$(CONFIG_STACKTRACE) += stacktrace.o
14obj-y += time/
15obj-$(CONFIG_DEBUG_MUTEXES) += mutex-debug.o
16obj-$(CONFIG_LOCKDEP) += lockdep.o
17ifeq ($(CONFIG_PROC_FS),y)
18obj-$(CONFIG_LOCKDEP) += lockdep_proc.o
19endif
20obj-$(CONFIG_FUTEX) += futex.o
21ifeq ($(CONFIG_COMPAT),y)
22obj-$(CONFIG_FUTEX) += futex_compat.o
23endif
24obj-$(CONFIG_RT_MUTEXES) += rtmutex.o
25obj-$(CONFIG_DEBUG_RT_MUTEXES) += rtmutex-debug.o
26obj-$(CONFIG_RT_MUTEX_TESTER) += rtmutex-tester.o
27obj-$(CONFIG_GENERIC_ISA_DMA) += dma.o
28obj-$(CONFIG_SMP) += cpu.o spinlock.o
29obj-$(CONFIG_DEBUG_SPINLOCK) += spinlock.o
30obj-$(CONFIG_PROVE_LOCKING) += spinlock.o
31obj-$(CONFIG_UID16) += uid16.o
32obj-$(CONFIG_MODULES) += module.o
33obj-$(CONFIG_KALLSYMS) += kallsyms.o
34obj-$(CONFIG_STACK_UNWIND) += unwind.o
35obj-$(CONFIG_PM) += power/
36obj-$(CONFIG_BSD_PROCESS_ACCT) += acct.o
37obj-$(CONFIG_KEXEC) += kexec.o
38obj-$(CONFIG_COMPAT) += compat.o
39obj-$(CONFIG_CPUSETS) += cpuset.o
40obj-$(CONFIG_IKCONFIG) += configs.o
41obj-$(CONFIG_STOP_MACHINE) += stop_machine.o
42obj-$(CONFIG_AUDIT) += audit.o auditfilter.o
43obj-$(CONFIG_AUDITSYSCALL) += auditsc.o
44obj-$(CONFIG_KPROBES) += kprobes.o
45obj-$(CONFIG_SYSFS) += ksysfs.o
46obj-$(CONFIG_DETECT_SOFTLOCKUP) += softlockup.o
47obj-$(CONFIG_GENERIC_HARDIRQS) += irq/
48obj-$(CONFIG_SECCOMP) += seccomp.o
49obj-$(CONFIG_RCU_TORTURE_TEST) += rcutorture.o
50obj-$(CONFIG_RELAY) += relay.o
51obj-$(CONFIG_TASK_DELAY_ACCT) += delayacct.o
52obj-$(CONFIG_TASKSTATS) += taskstats.o
53
54ifneq ($(CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER),y)
55# According to Alan Modra <alan@linuxcare.com.au>, the -fno-omit-frame-pointer is
56# needed for x86 only.  Why this used to be enabled for all architectures is beyond
57# me.  I suspect most platforms don't need this, but until we know that for sure
58# I turn this off for IA-64 only.  Andreas Schwab says it's also needed on m68k
59# to get a correct value for the wait-channel (WCHAN in ps). --davidm
60CFLAGS_sched.o := $(PROFILING) -fno-omit-frame-pointer
61endif
62
63$(obj)/configs.o: $(obj)/config_data.h
64
65# config_data.h contains the same information as ikconfig.h but gzipped.
66# Info from config_data can be extracted from /proc/config*
67targets += config_data.gz
68$(obj)/config_data.gz: .config FORCE
69	$(call if_changed,gzip)
70
71quiet_cmd_ikconfiggz = IKCFG   $@
72      cmd_ikconfiggz = (echo "static const char kernel_config_data[] = MAGIC_START"; cat $< | scripts/bin2c; echo "MAGIC_END;") > $@
73targets += config_data.h
74$(obj)/config_data.h: $(obj)/config_data.gz FORCE
75	$(call if_changed,ikconfiggz)
76