xref: /linux-6.15/kernel/Makefile (revision de2fe5e0) 
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
12
13obj-$(CONFIG_DEBUG_MUTEXES) += mutex-debug.o
14obj-$(CONFIG_FUTEX) += futex.o
15ifeq ($(CONFIG_COMPAT),y)
16obj-$(CONFIG_FUTEX) += futex_compat.o
17endif
18obj-$(CONFIG_GENERIC_ISA_DMA) += dma.o
19obj-$(CONFIG_SMP) += cpu.o spinlock.o
20obj-$(CONFIG_DEBUG_SPINLOCK) += spinlock.o
21obj-$(CONFIG_UID16) += uid16.o
22obj-$(CONFIG_MODULES) += module.o
23obj-$(CONFIG_OBSOLETE_INTERMODULE) += intermodule.o
24obj-$(CONFIG_KALLSYMS) += kallsyms.o
25obj-$(CONFIG_PM) += power/
26obj-$(CONFIG_BSD_PROCESS_ACCT) += acct.o
27obj-$(CONFIG_KEXEC) += kexec.o
28obj-$(CONFIG_COMPAT) += compat.o
29obj-$(CONFIG_CPUSETS) += cpuset.o
30obj-$(CONFIG_IKCONFIG) += configs.o
31obj-$(CONFIG_STOP_MACHINE) += stop_machine.o
32obj-$(CONFIG_AUDIT) += audit.o auditfilter.o
33obj-$(CONFIG_AUDITSYSCALL) += auditsc.o
34obj-$(CONFIG_KPROBES) += kprobes.o
35obj-$(CONFIG_SYSFS) += ksysfs.o
36obj-$(CONFIG_DETECT_SOFTLOCKUP) += softlockup.o
37obj-$(CONFIG_GENERIC_HARDIRQS) += irq/
38obj-$(CONFIG_SECCOMP) += seccomp.o
39obj-$(CONFIG_RCU_TORTURE_TEST) += rcutorture.o
40obj-$(CONFIG_RELAY) += relay.o
41
42ifneq ($(CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER),y)
43# According to Alan Modra <[email protected]>, the -fno-omit-frame-pointer is
44# needed for x86 only.  Why this used to be enabled for all architectures is beyond
45# me.  I suspect most platforms don't need this, but until we know that for sure
46# I turn this off for IA-64 only.  Andreas Schwab says it's also needed on m68k
47# to get a correct value for the wait-channel (WCHAN in ps). --davidm
48CFLAGS_sched.o := $(PROFILING) -fno-omit-frame-pointer
49endif
50
51$(obj)/configs.o: $(obj)/config_data.h
52
53# config_data.h contains the same information as ikconfig.h but gzipped.
54# Info from config_data can be extracted from /proc/config*
55targets += config_data.gz
56$(obj)/config_data.gz: .config FORCE
57	$(call if_changed,gzip)
58
59quiet_cmd_ikconfiggz = IKCFG   $@
60      cmd_ikconfiggz = (echo "static const char kernel_config_data[] = MAGIC_START"; cat $< | scripts/bin2c; echo "MAGIC_END;") > $@
61targets += config_data.h
62$(obj)/config_data.h: $(obj)/config_data.gz FORCE
63	$(call if_changed,ikconfiggz)
64