xref: /openbmc/linux/scripts/Makefile (revision 0f4d44f6)
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
12hostprogs-always-$(CONFIG_RUST_KERNEL_DOCTESTS)		+= rustdoc_test_builder
13hostprogs-always-$(CONFIG_RUST_KERNEL_DOCTESTS)		+= rustdoc_test_gen
14always-$(CONFIG_RUST)					+= target.json
15
16filechk_rust_target = $< < include/config/auto.conf
17
18$(obj)/target.json: scripts/generate_rust_target include/config/auto.conf FORCE
19	$(call filechk,rust_target)
20
21hostprogs += generate_rust_target
22generate_rust_target-rust := y
23rustdoc_test_builder-rust := y
24rustdoc_test_gen-rust := y
25
26HOSTCFLAGS_sorttable.o = -I$(srctree)/tools/include
27HOSTLDLIBS_sorttable = -lpthread
28HOSTCFLAGS_asn1_compiler.o = -I$(srctree)/include
29HOSTCFLAGS_sign-file.o = $(shell $(HOSTPKG_CONFIG) --cflags libcrypto 2> /dev/null)
30HOSTLDLIBS_sign-file = $(shell $(HOSTPKG_CONFIG) --libs libcrypto 2> /dev/null || echo -lcrypto)
31
32ifdef CONFIG_UNWINDER_ORC
33ifeq ($(ARCH),x86_64)
34ARCH := x86
35endif
36HOSTCFLAGS_sorttable.o += -I$(srctree)/tools/arch/x86/include
37HOSTCFLAGS_sorttable.o += -DUNWINDER_ORC_ENABLED
38endif
39
40ifdef CONFIG_BUILDTIME_MCOUNT_SORT
41HOSTCFLAGS_sorttable.o += -DMCOUNT_SORT_ENABLED
42endif
43
44# The following programs are only built on demand
45hostprogs += unifdef
46
47# The module linker script is preprocessed on demand
48targets += module.lds
49
50subdir-$(CONFIG_GCC_PLUGINS) += gcc-plugins
51subdir-$(CONFIG_MODVERSIONS) += genksyms
52subdir-$(CONFIG_SECURITY_SELINUX) += selinux
53
54# Let clean descend into subdirs
55subdir-	+= basic dtc gdb kconfig mod
56