xref: /linux/arch/um/kernel/Makefile (revision f3a8b6645dc2e60d11f20c1c23afd964ff4e55ae)
1#
2# Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux,intel}.com)
3# Licensed under the GPL
4#
5
6# Don't instrument UML-specific code; without this, we may crash when
7# accessing the instrumentation buffer for the first time from the
8# kernel.
9KCOV_INSTRUMENT                := n
10
11CPPFLAGS_vmlinux.lds := -DSTART=$(LDS_START)		\
12                        -DELF_ARCH=$(LDS_ELF_ARCH)	\
13                        -DELF_FORMAT=$(LDS_ELF_FORMAT)	\
14			$(LDS_EXTRA)
15extra-y := vmlinux.lds
16clean-files :=
17
18obj-y = config.o exec.o exitcode.o irq.o ksyms.o mem.o \
19	physmem.o process.o ptrace.o reboot.o sigio.o \
20	signal.o syscall.o sysrq.o time.o tlb.o trap.o \
21	um_arch.o umid.o maccess.o kmsg_dump.o skas/
22
23obj-$(CONFIG_BLK_DEV_INITRD) += initrd.o
24obj-$(CONFIG_GPROF)	+= gprof_syms.o
25obj-$(CONFIG_GCOV)	+= gmon_syms.o
26obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
27obj-$(CONFIG_STACKTRACE) += stacktrace.o
28
29USER_OBJS := config.o
30
31include arch/um/scripts/Makefile.rules
32
33targets := config.c config.tmp
34
35# Be careful with the below Sed code - sed is pitfall-rich!
36# We use sed to lower build requirements, for "embedded" builders for instance.
37
38$(obj)/config.tmp: $(objtree)/.config FORCE
39	$(call if_changed,quote1)
40
41quiet_cmd_quote1 = QUOTE   $@
42      cmd_quote1 = sed -e 's/"/\\"/g' -e 's/^/"/' -e 's/$$/\\n",/' \
43		   $< > $@
44
45$(obj)/config.c: $(src)/config.c.in $(obj)/config.tmp FORCE
46	$(call if_changed,quote2)
47
48quiet_cmd_quote2 = QUOTE   $@
49      cmd_quote2 = sed -e '/CONFIG/{'          \
50		  -e 's/"CONFIG"//'            \
51		  -e 'r $(obj)/config.tmp'     \
52		  -e 'a \'                     \
53		  -e '""'                      \
54		  -e '}'                       \
55		  $< > $@
56