xref: /linux/scripts/Makefile (revision 35bb28ece90dfb7f72b77ba529f25f79323d9581)
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
6CRYPTO_LIBS = $(shell pkg-config --libs libcrypto 2> /dev/null || echo -lcrypto)
7CRYPTO_CFLAGS = $(shell pkg-config --cflags libcrypto 2> /dev/null)
8
9hostprogs-always-$(CONFIG_BUILD_BIN2C)			+= bin2c
10hostprogs-always-$(CONFIG_KALLSYMS)			+= kallsyms
11hostprogs-always-$(BUILD_C_RECORDMCOUNT)		+= recordmcount
12hostprogs-always-$(CONFIG_BUILDTIME_TABLE_SORT)		+= sorttable
13hostprogs-always-$(CONFIG_ASN1)				+= asn1_compiler
14hostprogs-always-$(CONFIG_MODULE_SIG_FORMAT)		+= sign-file
15hostprogs-always-$(CONFIG_SYSTEM_TRUSTED_KEYRING)	+= extract-cert
16hostprogs-always-$(CONFIG_SYSTEM_EXTRA_CERTIFICATE)	+= insert-sys-cert
17
18HOSTCFLAGS_sorttable.o = -I$(srctree)/tools/include
19HOSTCFLAGS_asn1_compiler.o = -I$(srctree)/include
20HOSTCFLAGS_sign-file.o = $(CRYPTO_CFLAGS)
21HOSTLDLIBS_sign-file = $(CRYPTO_LIBS)
22HOSTCFLAGS_extract-cert.o = $(CRYPTO_CFLAGS)
23HOSTLDLIBS_extract-cert = $(CRYPTO_LIBS)
24
25ifdef CONFIG_UNWINDER_ORC
26ifeq ($(ARCH),x86_64)
27ARCH := x86
28endif
29HOSTCFLAGS_sorttable.o += -I$(srctree)/tools/arch/x86/include
30HOSTCFLAGS_sorttable.o += -DUNWINDER_ORC_ENABLED
31HOSTLDLIBS_sorttable = -lpthread
32endif
33
34# The following programs are only built on demand
35hostprogs += unifdef
36
37# The module linker script is preprocessed on demand
38targets += module.lds
39
40subdir-$(CONFIG_GCC_PLUGINS) += gcc-plugins
41subdir-$(CONFIG_MODVERSIONS) += genksyms
42subdir-$(CONFIG_SECURITY_SELINUX) += selinux
43
44# Let clean descend into subdirs
45subdir-	+= basic dtc gdb kconfig mod
46