xref: /openbmc/linux/scripts/Makefile (revision c83b16ce)
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-$(CONFIG_SYSTEM_EXTRA_CERTIFICATE)	+= insert-sys-cert
13always-$(CONFIG_RUST)					+= target.json
14
15filechk_rust_target = $< < include/config/auto.conf
16
17$(obj)/target.json: scripts/generate_rust_target include/config/auto.conf FORCE
18	$(call filechk,rust_target)
19
20hostprogs += generate_rust_target
21generate_rust_target-rust := y
22
23HOSTCFLAGS_sorttable.o = -I$(srctree)/tools/include
24HOSTLDLIBS_sorttable = -lpthread
25HOSTCFLAGS_asn1_compiler.o = -I$(srctree)/include
26HOSTCFLAGS_sign-file.o = $(shell $(HOSTPKG_CONFIG) --cflags libcrypto 2> /dev/null)
27HOSTLDLIBS_sign-file = $(shell $(HOSTPKG_CONFIG) --libs libcrypto 2> /dev/null || echo -lcrypto)
28
29ifdef CONFIG_UNWINDER_ORC
30ifeq ($(ARCH),x86_64)
31ARCH := x86
32endif
33HOSTCFLAGS_sorttable.o += -I$(srctree)/tools/arch/x86/include
34HOSTCFLAGS_sorttable.o += -DUNWINDER_ORC_ENABLED
35endif
36
37ifdef CONFIG_BUILDTIME_MCOUNT_SORT
38HOSTCFLAGS_sorttable.o += -DMCOUNT_SORT_ENABLED
39endif
40
41# The following programs are only built on demand
42hostprogs += unifdef
43
44# The module linker script is preprocessed on demand
45targets += module.lds
46
47subdir-$(CONFIG_GCC_PLUGINS) += gcc-plugins
48subdir-$(CONFIG_MODVERSIONS) += genksyms
49subdir-$(CONFIG_SECURITY_SELINUX) += selinux
50
51# Let clean descend into subdirs
52subdir-	+= basic dtc gdb kconfig mod
53