xref: /linux/scripts/Makefile (revision bb29b957eaaa15be33243550d9ee576c2d601669)
1# SPDX-License-Identifier: GPL-2.0
2###
3# scripts contains sources for various helper programs used throughout
4# the kernel for the build process.
5
6hostprogs-always-y				+= kallsyms
7hostprogs-always-$(BUILD_C_RECORDMCOUNT)		+= recordmcount
8hostprogs-always-$(CONFIG_BUILDTIME_TABLE_SORT)		+= sorttable
9hostprogs-always-$(CONFIG_ASN1)				+= asn1_compiler
10hostprogs-always-$(CONFIG_MODULE_SIG_FORMAT)		+= sign-file
11hostprogs-always-$(CONFIG_SYSTEM_EXTRA_CERTIFICATE)	+= insert-sys-cert
12hostprogs-always-$(CONFIG_RUST_KERNEL_DOCTESTS)		+= rustdoc_test_builder
13hostprogs-always-$(CONFIG_RUST_KERNEL_DOCTESTS)		+= rustdoc_test_gen
14hostprogs-always-$(CONFIG_TRACEPOINTS)			+= tracepoint-update
15
16kallsyms-objs := kallsyms.o kallsyms-sysmap.o elf-parse.o
17sorttable-objs := sorttable.o elf-parse.o
18tracepoint-update-objs := tracepoint-update.o elf-parse.o
19
20ifneq ($(or $(CONFIG_X86_64),$(CONFIG_X86_32)),)
21always-$(CONFIG_RUST)					+= target.json
22filechk_rust_target = $< < include/config/auto.conf
23
24$(obj)/target.json: scripts/generate_rust_target include/config/auto.conf FORCE
25	$(call filechk,rust_target)
26endif
27
28hostprogs += generate_rust_target
29generate_rust_target-rust := y
30rustdoc_test_builder-rust := y
31rustdoc_test_gen-rust := y
32
33HOSTCFLAGS_tracepoint-update.o = -I$(srctree)/tools/include
34HOSTCFLAGS_kallsyms.o = -I$(srctree)/tools/include
35HOSTCFLAGS_kallsyms-sysmap.o = -I$(srctree)/tools/include
36HOSTCFLAGS_elf-parse.o = -I$(srctree)/tools/include
37HOSTCFLAGS_sorttable.o = -I$(srctree)/tools/include
38HOSTLDLIBS_sorttable = -lpthread
39HOSTCFLAGS_asn1_compiler.o = -I$(srctree)/include
40HOSTCFLAGS_sign-file.o = $(shell $(HOSTPKG_CONFIG) --cflags libcrypto 2> /dev/null)
41HOSTCFLAGS_sign-file.o += -I$(srctree)/tools/include/uapi/
42HOSTLDLIBS_sign-file = $(shell $(HOSTPKG_CONFIG) --libs libcrypto 2> /dev/null || echo -lcrypto)
43
44ifdef CONFIG_UNWINDER_ORC
45ifeq ($(ARCH),x86_64)
46SRCARCH := x86
47endif
48ifeq ($(ARCH),loongarch)
49SRCARCH := loongarch
50endif
51HOSTCFLAGS_sorttable.o += -I$(srctree)/tools/arch/$(SRCARCH)/include
52HOSTCFLAGS_sorttable.o += -DUNWINDER_ORC_ENABLED
53endif
54
55ifdef CONFIG_BUILDTIME_MCOUNT_SORT
56HOSTCFLAGS_sorttable.o += -DMCOUNT_SORT_ENABLED
57endif
58
59hostprogs += gen_init_cpio
60always-$(CONFIG_BLK_DEV_INITRD) += gen_init_cpio
61
62# The following programs are only built on demand
63hostprogs += unifdef gen_packed_field_checks
64
65# The module linker script is preprocessed on demand
66targets += module.lds
67
68subdir-$(CONFIG_GCC_PLUGINS) += gcc-plugins
69subdir-$(CONFIG_GENKSYMS) += genksyms
70subdir-$(CONFIG_GENDWARFKSYMS) += gendwarfksyms
71subdir-$(CONFIG_SECURITY_SELINUX) += selinux
72subdir-$(CONFIG_SECURITY_IPE) += ipe
73
74# Let clean descend into subdirs
75subdir-	+= basic dtc gdb kconfig mod
76