1 # SPDX-License-Identifier: GPL-2.0 <<
2 ### 1 ###
3 # scripts contains sources for various helper 2 # scripts contains sources for various helper programs used throughout
4 # the kernel for the build process. 3 # the kernel for the build process.
>> 4 # ---------------------------------------------------------------------------
>> 5 # fix-dep: Used to generate dependency information during build process
>> 6 # split-include: Divide all config symbols up in a number of files in
>> 7 # include/config/...
>> 8 # docproc: Preprocess .tmpl file in order to generate .sgml docs
>> 9 # conmakehash: Create arrays for initializing the kernel console tables
>> 10
>> 11 host-progs := fixdep split-include conmakehash docproc kallsyms modpost \
>> 12 mk_elfconfig pnmtologo bin2c
>> 13 always := $(host-progs) empty.o
5 14
6 hostprogs-always-$(CONFIG_KALLSYMS) !! 15 modpost-objs := modpost.o file2alias.o
7 hostprogs-always-$(BUILD_C_RECORDMCOUNT) !! 16
8 hostprogs-always-$(CONFIG_BUILDTIME_TABLE_SORT !! 17 subdir-$(CONFIG_MODVERSIONS) += genksyms
9 hostprogs-always-$(CONFIG_ASN1) <<
10 hostprogs-always-$(CONFIG_MODULE_SIG_FORMAT) <<
11 hostprogs-always-$(CONFIG_SYSTEM_EXTRA_CERTIFI <<
12 hostprogs-always-$(CONFIG_RUST_KERNEL_DOCTESTS <<
13 hostprogs-always-$(CONFIG_RUST_KERNEL_DOCTESTS <<
14 <<
15 ifneq ($(or $(CONFIG_X86_64),$(CONFIG_X86_32)) <<
16 always-$(CONFIG_RUST) <<
17 filechk_rust_target = $< < include/config/auto <<
18 <<
19 $(obj)/target.json: scripts/generate_rust_targ <<
20 $(call filechk,rust_target) <<
21 endif <<
22 <<
23 hostprogs += generate_rust_target <<
24 generate_rust_target-rust := y <<
25 rustdoc_test_builder-rust := y <<
26 rustdoc_test_gen-rust := y <<
27 <<
28 HOSTCFLAGS_sorttable.o = -I$(srctree)/tools/in <<
29 HOSTLDLIBS_sorttable = -lpthread <<
30 HOSTCFLAGS_asn1_compiler.o = -I$(srctree)/incl <<
31 HOSTCFLAGS_sign-file.o = $(shell $(HOSTPKG_CON <<
32 HOSTLDLIBS_sign-file = $(shell $(HOSTPKG_CONFI <<
33 <<
34 ifdef CONFIG_UNWINDER_ORC <<
35 ifeq ($(ARCH),x86_64) <<
36 SRCARCH := x86 <<
37 endif <<
38 ifeq ($(ARCH),loongarch) <<
39 SRCARCH := loongarch <<
40 endif <<
41 HOSTCFLAGS_sorttable.o += -I$(srctree)/tools/a <<
42 HOSTCFLAGS_sorttable.o += -DUNWINDER_ORC_ENABL <<
43 endif <<
44 <<
45 ifdef CONFIG_BUILDTIME_MCOUNT_SORT <<
46 HOSTCFLAGS_sorttable.o += -DMCOUNT_SORT_ENABLE <<
47 endif <<
48 <<
49 # The following programs are only built on dem <<
50 hostprogs += unifdef <<
51 <<
52 # The module linker script is preprocessed on <<
53 targets += module.lds <<
54 <<
55 subdir-$(CONFIG_GCC_PLUGINS) += gcc-plugins <<
56 subdir-$(CONFIG_MODVERSIONS) += genksyms <<
57 subdir-$(CONFIG_SECURITY_SELINUX) += selinux <<
58 subdir-$(CONFIG_SECURITY_IPE) += ipe <<
59 18
60 # Let clean descend into subdirs 19 # Let clean descend into subdirs
61 subdir- += basic dtc gdb kconfig mod !! 20 subdir- += lxdialog kconfig
>> 21
>> 22 # fixdep is needed to compile other host programs
>> 23 $(addprefix $(obj)/,$(filter-out fixdep,$(always)) $(subdir-y)): $(obj)/fixdep
>> 24
>> 25 # dependencies on generated files need to be listed explicitly
>> 26
>> 27 $(obj)/modpost.o $(obj)/file2alias.o: $(obj)/elfconfig.h
>> 28
>> 29 quiet_cmd_elfconfig = MKELF $@
>> 30 cmd_elfconfig = $(obj)/mk_elfconfig $(ARCH) < $< > $@
>> 31
>> 32 $(obj)/elfconfig.h: $(obj)/empty.o $(obj)/mk_elfconfig FORCE
>> 33 $(call if_changed,elfconfig)
>> 34
>> 35 targets += elfconfig.h
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