xref: /linux/scripts/Makefile (revision 96500610)
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-$(CONFIG_KALLSYMS)			+= kallsyms
7hostprogs-always-$(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
12always-$(CONFIG_RUST)					+= target.json
13
14filechk_rust_target = $< < include/config/auto.conf
15
16$(obj)/target.json: scripts/generate_rust_target include/config/auto.conf FORCE
17	$(call filechk,rust_target)
18
19hostprogs += generate_rust_target
20generate_rust_target-rust := y
21
22HOSTCFLAGS_sorttable.o = -I$(srctree)/tools/include
23HOSTLDLIBS_sorttable = -lpthread
24HOSTCFLAGS_asn1_compiler.o = -I$(srctree)/include
25HOSTCFLAGS_sign-file.o = $(shell $(HOSTPKG_CONFIG) --cflags libcrypto 2> /dev/null)
26HOSTLDLIBS_sign-file = $(shell $(HOSTPKG_CONFIG) --libs libcrypto 2> /dev/null || echo -lcrypto)
27
28ifdef CONFIG_UNWINDER_ORC
29ifeq ($(ARCH),x86_64)
30ARCH := x86
31endif
32HOSTCFLAGS_sorttable.o += -I$(srctree)/tools/arch/x86/include
33HOSTCFLAGS_sorttable.o += -DUNWINDER_ORC_ENABLED
34endif
35
36ifdef CONFIG_BUILDTIME_MCOUNT_SORT
37HOSTCFLAGS_sorttable.o += -DMCOUNT_SORT_ENABLED
38endif
39
40# The following programs are only built on demand
41hostprogs += unifdef
42
43# The module linker script is preprocessed on demand
44targets += module.lds
45
46subdir-$(CONFIG_GCC_PLUGINS) += gcc-plugins
47subdir-$(CONFIG_MODVERSIONS) += genksyms
48subdir-$(CONFIG_SECURITY_SELINUX) += selinux
49
50# Let clean descend into subdirs
51subdir-	+= basic dtc gdb kconfig mod
52