xref: /linux/scripts/Makefile (revision 3c4fc7bf4c9e66fe71abcbf93f62f4ddb89b7f15)
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-$(CONFIG_BUILD_BIN2C)			+= bin2c
7hostprogs-always-$(CONFIG_KALLSYMS)			+= kallsyms
8hostprogs-always-$(BUILD_C_RECORDMCOUNT)		+= recordmcount
9hostprogs-always-$(CONFIG_BUILDTIME_TABLE_SORT)		+= sorttable
10hostprogs-always-$(CONFIG_ASN1)				+= asn1_compiler
11hostprogs-always-$(CONFIG_MODULE_SIG_FORMAT)		+= sign-file
12hostprogs-always-$(CONFIG_SYSTEM_EXTRA_CERTIFICATE)	+= insert-sys-cert
13
14HOSTCFLAGS_sorttable.o = -I$(srctree)/tools/include
15HOSTLDLIBS_sorttable = -lpthread
16HOSTCFLAGS_asn1_compiler.o = -I$(srctree)/include
17HOSTCFLAGS_sign-file.o = $(shell $(HOSTPKG_CONFIG) --cflags libcrypto 2> /dev/null)
18HOSTLDLIBS_sign-file = $(shell $(HOSTPKG_CONFIG) --libs libcrypto 2> /dev/null || echo -lcrypto)
19
20ifdef CONFIG_UNWINDER_ORC
21ifeq ($(ARCH),x86_64)
22ARCH := x86
23endif
24HOSTCFLAGS_sorttable.o += -I$(srctree)/tools/arch/x86/include
25HOSTCFLAGS_sorttable.o += -DUNWINDER_ORC_ENABLED
26endif
27
28ifdef CONFIG_BUILDTIME_MCOUNT_SORT
29HOSTCFLAGS_sorttable.o += -DMCOUNT_SORT_ENABLED
30endif
31
32# The following programs are only built on demand
33hostprogs += unifdef
34
35# The module linker script is preprocessed on demand
36targets += module.lds
37
38subdir-$(CONFIG_GCC_PLUGINS) += gcc-plugins
39subdir-$(CONFIG_MODVERSIONS) += genksyms
40subdir-$(CONFIG_SECURITY_SELINUX) += selinux
41
42# Let clean descend into subdirs
43subdir-	+= basic dtc gdb kconfig mod
44