1 # SPDX-License-Identifier: GPL-2.0 !! 1 VERSION = 2 2 VERSION = 6 !! 2 PATCHLEVEL = 4 3 PATCHLEVEL = 11 !! 3 SUBLEVEL = 37 4 SUBLEVEL = 5 !! 4 EXTRAVERSION = .11 5 EXTRAVERSION = << 6 NAME = Baby Opossum Posse << 7 << 8 # *DOCUMENTATION* << 9 # To see a list of typical targets execute "ma << 10 # More info can be located in ./README << 11 # Comments in this file are targeted only to t << 12 # expect to learn how to build the kernel read << 13 5 14 ifeq ($(filter output-sync,$(.FEATURES)),) !! 6 KERNELRELEASE=$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION) 15 $(error GNU Make >= 4.0 is required. Your Make << 16 endif << 17 << 18 $(if $(filter __%, $(MAKECMDGOALS)), \ << 19 $(error targets prefixed with '__' are << 20 << 21 # That's our default target when none is given << 22 PHONY := __all << 23 __all: << 24 << 25 # We are using a recursive build, so we need t << 26 # to get the ordering right. << 27 # << 28 # Most importantly: sub-Makefiles should only << 29 # their own directory. If in some directory we << 30 # a file in another dir (which doesn't happen << 31 # unavoidable when linking the built-in.a targ << 32 # turn into vmlinux), we will call a sub make << 33 # after that we are sure that everything which << 34 # is now up to date. << 35 # << 36 # The only cases where we need to modify files << 37 # effects are thus separated out and done befo << 38 # descending is started. They are now explicit << 39 # prepare rule. << 40 << 41 this-makefile := $(lastword $(MAKEFILE_LIST)) << 42 abs_srctree := $(realpath $(dir $(this-makefil << 43 abs_objtree := $(CURDIR) << 44 << 45 ifneq ($(sub_make_done),1) << 46 << 47 # Do not use make's built-in rules and variabl << 48 # (this increases performance and avoids hard- << 49 MAKEFLAGS += -rR << 50 << 51 # Avoid funny character set dependencies << 52 unexport LC_ALL << 53 LC_COLLATE=C << 54 LC_NUMERIC=C << 55 export LC_COLLATE LC_NUMERIC << 56 << 57 # Avoid interference with shell env settings << 58 unexport GREP_OPTIONS << 59 << 60 # Beautify output << 61 # -------------------------------------------- << 62 # << 63 # Most of build commands in Kbuild start with << 64 # "quiet_cmd_*". If defined, the short log is << 65 # that command is printed by default. << 66 # << 67 # e.g.) << 68 # quiet_cmd_depmod = DEPMOD $(MODLIB) << 69 # cmd_depmod = $(srctree)/scripts/dep << 70 # << 71 # A simple variant is to prefix commands with << 72 # for commands that shall be hidden in non-ver << 73 # << 74 # $(Q)$(MAKE) $(build)=scripts/basic << 75 # << 76 # If KBUILD_VERBOSE contains 1, the whole comm << 77 # If KBUILD_VERBOSE contains 2, the reason for << 78 # << 79 # To put more focus on warnings, be less verbo << 80 # Use 'make V=1' to see the full commands << 81 << 82 ifeq ("$(origin V)", "command line") << 83 KBUILD_VERBOSE = $(V) << 84 endif << 85 << 86 quiet = quiet_ << 87 Q = @ << 88 << 89 ifneq ($(findstring 1, $(KBUILD_VERBOSE)),) << 90 quiet = << 91 Q = << 92 endif << 93 << 94 # If the user is running make -s (silent mode) << 95 # commands << 96 ifneq ($(findstring s,$(firstword -$(MAKEFLAGS << 97 quiet=silent_ << 98 override KBUILD_VERBOSE := << 99 endif << 100 << 101 export quiet Q KBUILD_VERBOSE << 102 << 103 # Call a source code checker (by default, "spa << 104 # C compilation. << 105 # << 106 # Use 'make C=1' to enable checking of only re << 107 # Use 'make C=2' to enable checking of *all* s << 108 # of whether they are re-compiled or not. << 109 # << 110 # See the file "Documentation/dev-tools/sparse << 111 # including where to get the "sparse" utility. << 112 << 113 ifeq ("$(origin C)", "command line") << 114 KBUILD_CHECKSRC = $(C) << 115 endif << 116 ifndef KBUILD_CHECKSRC << 117 KBUILD_CHECKSRC = 0 << 118 endif << 119 << 120 export KBUILD_CHECKSRC << 121 << 122 # Enable "clippy" (a linter) as part of the Ru << 123 # << 124 # Use 'make CLIPPY=1' to enable it. << 125 ifeq ("$(origin CLIPPY)", "command line") << 126 KBUILD_CLIPPY := $(CLIPPY) << 127 endif << 128 << 129 export KBUILD_CLIPPY << 130 << 131 # Use make M=dir or set the environment variab << 132 # directory of external module to build. Setti << 133 ifeq ("$(origin M)", "command line") << 134 KBUILD_EXTMOD := $(M) << 135 endif << 136 << 137 $(if $(word 2, $(KBUILD_EXTMOD)), \ << 138 $(error building multiple external mod << 139 << 140 $(foreach x, % :, $(if $(findstring $x, $(KBUI << 141 $(error module directory path cannot c << 142 7 143 # Remove trailing slashes !! 8 ARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ -e s/arm.*/arm/ -e s/sa110/arm/) 144 ifneq ($(filter %/, $(KBUILD_EXTMOD)),) !! 9 KERNELPATH=kernel-$(shell echo $(KERNELRELEASE) | sed -e "s/-//g") 145 KBUILD_EXTMOD := $(shell dirname $(KBUILD_EXTM << 146 endif << 147 10 148 export KBUILD_EXTMOD !! 11 CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ >> 12 else if [ -x /bin/bash ]; then echo /bin/bash; \ >> 13 else echo sh; fi ; fi) >> 14 TOPDIR := $(shell /bin/pwd) 149 15 150 # backward compatibility !! 16 HPATH = $(TOPDIR)/include 151 KBUILD_EXTRA_WARN ?= $(KBUILD_ENABLE_EXTRA_GCC !! 17 FINDHPATH = $(HPATH)/asm $(HPATH)/linux $(HPATH)/scsi $(HPATH)/net $(HPATH)/math-emu 152 18 153 ifeq ("$(origin W)", "command line") !! 19 HOSTCC = gcc 154 KBUILD_EXTRA_WARN := $(W) !! 20 HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer 155 endif << 156 21 157 export KBUILD_EXTRA_WARN !! 22 CROSS_COMPILE = 158 23 159 # Kbuild will save output files in the current << 160 # This does not need to match to the root of t << 161 # << 162 # For example, you can do this: << 163 # << 164 # cd /dir/to/store/output/files; make -f /dir << 165 # << 166 # If you want to save output files in a differ << 167 # two syntaxes to specify it. << 168 # << 169 # 1) O= << 170 # Use "make O=dir/to/store/output/files/" << 171 # 24 # 172 # 2) Set KBUILD_OUTPUT !! 25 # Include the make variables (CC, etc...) 173 # Set the environment variable KBUILD_OUTPUT t << 174 # export KBUILD_OUTPUT=dir/to/store/output/fil << 175 # 26 # 176 # The O= assignment takes precedence over the << 177 # variable. << 178 << 179 # Do we want to change the working directory? << 180 ifeq ("$(origin O)", "command line") << 181 KBUILD_OUTPUT := $(O) << 182 endif << 183 << 184 ifneq ($(KBUILD_OUTPUT),) << 185 # $(realpath ...) gets empty if the path does << 186 $(shell mkdir -p "$(KBUILD_OUTPUT)") << 187 # $(realpath ...) resolves symlinks << 188 abs_objtree := $(realpath $(KBUILD_OUTPUT)) << 189 $(if $(abs_objtree),,$(error failed to create << 190 endif # ifneq ($(KBUILD_OUTPUT),) << 191 << 192 ifneq ($(words $(subst :, ,$(abs_srctree))), 1 << 193 $(error source directory cannot contain spaces << 194 endif << 195 << 196 export sub_make_done := 1 << 197 << 198 endif # sub_make_done << 199 << 200 ifeq ($(abs_objtree),$(CURDIR)) << 201 # Suppress "Entering directory ..." if we are << 202 no-print-directory := --no-print-directory << 203 else << 204 # Recursion to show "Entering directory ..." << 205 need-sub-make := 1 << 206 endif << 207 << 208 ifeq ($(filter --no-print-directory, $(MAKEFLA << 209 # If --no-print-directory is unset, recurse on << 210 # You may end up recursing into __sub-make twi << 211 # behavior change in GNU Make 4.4.1. << 212 need-sub-make := 1 << 213 endif << 214 << 215 ifeq ($(need-sub-make),1) << 216 << 217 PHONY += $(MAKECMDGOALS) __sub-make << 218 << 219 $(filter-out $(this-makefile), $(MAKECMDGOALS) << 220 @: << 221 << 222 # Invoke a second make in the output directory << 223 __sub-make: << 224 $(Q)$(MAKE) $(no-print-directory) -C $ << 225 -f $(abs_srctree)/Makefile $(MAKECMDGO << 226 << 227 else # need-sub-make << 228 << 229 # We process the rest of the Makefile if this << 230 << 231 ifeq ($(abs_srctree),$(abs_objtree)) << 232 # building in the source tree << 233 srctree := . << 234 building_out_of_srctree := << 235 else << 236 ifeq ($(abs_srctree)/,$(dir $(abs_objt << 237 # building in a subdirectory o << 238 srctree := .. << 239 else << 240 srctree := $(abs_srctree) << 241 endif << 242 building_out_of_srctree := 1 << 243 endif << 244 << 245 ifneq ($(KBUILD_ABS_SRCTREE),) << 246 srctree := $(abs_srctree) << 247 endif << 248 << 249 objtree := . << 250 << 251 VPATH := << 252 << 253 ifeq ($(KBUILD_EXTMOD),) << 254 ifdef building_out_of_srctree << 255 VPATH := $(srctree) << 256 endif << 257 endif << 258 << 259 export building_out_of_srctree srctree objtree << 260 << 261 # To make sure we do not include .config for a << 262 # catch them early, and hand them over to scri << 263 # It is allowed to specify more targets when c << 264 # mixing *config targets and build targets. << 265 # For example 'make oldconfig all'. << 266 # Detect when mixed targets is specified, and << 267 # of make so .config is not included in this c << 268 << 269 version_h := include/generated/uapi/linux/vers << 270 << 271 clean-targets := %clean mrproper cleandocs << 272 no-dot-config-targets := $(clean-targets) \ << 273 cscope gtags TAGS tag << 274 $(version_h) headers << 275 %asm-generic kernelve << 276 outputmakefile rustav << 277 no-sync-config-targets := $(no-dot-config-targ << 278 image_name << 279 single-targets := %.a %.i %.ko %.lds %.ll %.ls << 280 << 281 config-build := << 282 mixed-build := << 283 need-config := 1 << 284 may-sync-config := 1 << 285 single-build := << 286 << 287 ifneq ($(filter $(no-dot-config-targets), $(MA << 288 ifeq ($(filter-out $(no-dot-config-targets << 289 need-config := << 290 endif << 291 endif << 292 << 293 ifneq ($(filter $(no-sync-config-targets), $(M << 294 ifeq ($(filter-out $(no-sync-config-target << 295 may-sync-config := << 296 endif << 297 endif << 298 << 299 need-compiler := $(may-sync-config) << 300 << 301 ifneq ($(KBUILD_EXTMOD),) << 302 may-sync-config := << 303 endif << 304 << 305 ifeq ($(KBUILD_EXTMOD),) << 306 ifneq ($(filter %config,$(MAKECMDGOALS)),) << 307 config-build := 1 << 308 ifneq ($(words $(MAKECMDGOALS)),1) << 309 mixed-build := 1 << 310 endif << 311 endif << 312 endif << 313 << 314 # We cannot build single targets and the other << 315 ifneq ($(filter $(single-targets), $(MAKECMDGO << 316 single-build := 1 << 317 ifneq ($(filter-out $(single-targets), $(M << 318 mixed-build := 1 << 319 endif << 320 endif << 321 << 322 # For "make -j clean all", "make -j mrproper d << 323 ifneq ($(filter $(clean-targets),$(MAKECMDGOAL << 324 ifneq ($(filter-out $(clean-targets),$(MAK << 325 mixed-build := 1 << 326 endif << 327 endif << 328 << 329 # install and modules_install need also be pro << 330 ifneq ($(filter install,$(MAKECMDGOALS)),) << 331 ifneq ($(filter modules_install,$(MAKECMDG << 332 mixed-build := 1 << 333 endif << 334 endif << 335 << 336 ifdef mixed-build << 337 # ============================================ << 338 # We're called with mixed targets (*config and << 339 # Handle them one by one. << 340 << 341 PHONY += $(MAKECMDGOALS) __build_one_by_one << 342 << 343 $(MAKECMDGOALS): __build_one_by_one << 344 @: << 345 << 346 __build_one_by_one: << 347 $(Q)set -e; \ << 348 for i in $(MAKECMDGOALS); do \ << 349 $(MAKE) -f $(srctree)/Makefile << 350 done << 351 << 352 else # !mixed-build << 353 << 354 include $(srctree)/scripts/Kbuild.include << 355 << 356 # Read KERNELRELEASE from include/config/kerne << 357 KERNELRELEASE = $(call read-file, include/conf << 358 KERNELVERSION = $(VERSION)$(if $(PATCHLEVEL),. << 359 export VERSION PATCHLEVEL SUBLEVEL KERNELRELEA << 360 << 361 include $(srctree)/scripts/subarch.include << 362 << 363 # Cross compiling and selecting different set << 364 # -------------------------------------------- << 365 # << 366 # When performing cross compilation for other << 367 # to the target architecture. (See arch/* for << 368 # ARCH can be set during invocation of make: << 369 # make ARCH=arm64 << 370 # Another way is to have ARCH set in the envir << 371 # The default ARCH is the host where make is e << 372 << 373 # CROSS_COMPILE specify the prefix used for al << 374 # during compilation. Only gcc and related bin << 375 # are prefixed with $(CROSS_COMPILE). << 376 # CROSS_COMPILE can be set on the command line << 377 # make CROSS_COMPILE=aarch64-linux-gnu- << 378 # Alternatively CROSS_COMPILE can be set in th << 379 # Default value for CROSS_COMPILE is not to pr << 380 # Note: Some architectures assign CROSS_COMPIL << 381 ARCH ?= $(SUBARCH) << 382 << 383 # Architecture as present in compile.h << 384 UTS_MACHINE := $(ARCH) << 385 SRCARCH := $(ARCH) << 386 << 387 # Additional ARCH settings for x86 << 388 ifeq ($(ARCH),i386) << 389 SRCARCH := x86 << 390 endif << 391 ifeq ($(ARCH),x86_64) << 392 SRCARCH := x86 << 393 endif << 394 << 395 # Additional ARCH settings for sparc << 396 ifeq ($(ARCH),sparc32) << 397 SRCARCH := sparc << 398 endif << 399 ifeq ($(ARCH),sparc64) << 400 SRCARCH := sparc << 401 endif << 402 << 403 # Additional ARCH settings for parisc << 404 ifeq ($(ARCH),parisc64) << 405 SRCARCH := parisc << 406 endif << 407 << 408 export cross_compiling := << 409 ifneq ($(SRCARCH),$(SUBARCH)) << 410 cross_compiling := 1 << 411 endif << 412 << 413 KCONFIG_CONFIG ?= .config << 414 export KCONFIG_CONFIG << 415 << 416 # SHELL used by kbuild << 417 CONFIG_SHELL := sh << 418 27 419 HOST_LFS_CFLAGS := $(shell getconf LFS_CFLAGS !! 28 AS = $(CROSS_COMPILE)as 420 HOST_LFS_LDFLAGS := $(shell getconf LFS_LDFLAG << 421 HOST_LFS_LIBS := $(shell getconf LFS_LIBS 2>/d << 422 << 423 ifneq ($(LLVM),) << 424 ifneq ($(filter %/,$(LLVM)),) << 425 LLVM_PREFIX := $(LLVM) << 426 else ifneq ($(filter -%,$(LLVM)),) << 427 LLVM_SUFFIX := $(LLVM) << 428 endif << 429 << 430 HOSTCC = $(LLVM_PREFIX)clang$(LLVM_SUFFIX) << 431 HOSTCXX = $(LLVM_PREFIX)clang++$(LLVM_SUFFIX) << 432 else << 433 HOSTCC = gcc << 434 HOSTCXX = g++ << 435 endif << 436 HOSTRUSTC = rustc << 437 HOSTPKG_CONFIG = pkg-config << 438 << 439 KBUILD_USERHOSTCFLAGS := -Wall -Wmissing-proto << 440 -O2 -fomit-frame-poin << 441 KBUILD_USERCFLAGS := $(KBUILD_USERHOSTCFLAGS) << 442 KBUILD_USERLDFLAGS := $(USERLDFLAGS) << 443 << 444 # These flags apply to all Rust code in the tr << 445 # host programs. << 446 export rust_common_flags := --edition=2021 \ << 447 -Zbinary_dep_depin << 448 -Astable_features << 449 -Dunsafe_op_in_uns << 450 -Dnon_ascii_idents << 451 -Wrust_2018_idioms << 452 -Wunreachable_pub << 453 -Wmissing_docs \ << 454 -Wrustdoc::missing << 455 -Wclippy::all \ << 456 -Wclippy::mut_mut << 457 -Wclippy::needless << 458 -Wclippy::needless << 459 -Wclippy::no_mangl << 460 -Wclippy::dbg_macr << 461 << 462 KBUILD_HOSTCFLAGS := $(KBUILD_USERHOSTCFLAGS << 463 $(HOSTCFLAGS) -I $(srct << 464 KBUILD_HOSTCXXFLAGS := -Wall -O2 $(HOST_LFS_CF << 465 -I $(srctree)/scripts/i << 466 KBUILD_HOSTRUSTFLAGS := $(rust_common_flags) - << 467 -Zallow-features= $(HO << 468 KBUILD_HOSTLDFLAGS := $(HOST_LFS_LDFLAGS) $(H << 469 KBUILD_HOSTLDLIBS := $(HOST_LFS_LIBS) $(HOST << 470 << 471 # Make variables (CC, etc...) << 472 CPP = $(CC) -E << 473 ifneq ($(LLVM),) << 474 CC = $(LLVM_PREFIX)clang$(LLVM_SU << 475 LD = $(LLVM_PREFIX)ld.lld$(LLVM_S << 476 AR = $(LLVM_PREFIX)llvm-ar$(LLVM_ << 477 NM = $(LLVM_PREFIX)llvm-nm$(LLVM_ << 478 OBJCOPY = $(LLVM_PREFIX)llvm-objcopy$( << 479 OBJDUMP = $(LLVM_PREFIX)llvm-objdump$( << 480 READELF = $(LLVM_PREFIX)llvm-readelf$( << 481 STRIP = $(LLVM_PREFIX)llvm-strip$(LL << 482 else << 483 CC = $(CROSS_COMPILE)gcc << 484 LD = $(CROSS_COMPILE)ld 29 LD = $(CROSS_COMPILE)ld >> 30 CC = $(CROSS_COMPILE)gcc >> 31 CPP = $(CC) -E 485 AR = $(CROSS_COMPILE)ar 32 AR = $(CROSS_COMPILE)ar 486 NM = $(CROSS_COMPILE)nm 33 NM = $(CROSS_COMPILE)nm >> 34 STRIP = $(CROSS_COMPILE)strip 487 OBJCOPY = $(CROSS_COMPILE)objcopy 35 OBJCOPY = $(CROSS_COMPILE)objcopy 488 OBJDUMP = $(CROSS_COMPILE)objdump 36 OBJDUMP = $(CROSS_COMPILE)objdump 489 READELF = $(CROSS_COMPILE)readelf !! 37 MAKEFILES = $(TOPDIR)/.config 490 STRIP = $(CROSS_COMPILE)strip !! 38 GENKSYMS = /sbin/genksyms 491 endif !! 39 DEPMOD = /sbin/depmod 492 RUSTC = rustc !! 40 MODFLAGS = -DMODULE 493 RUSTDOC = rustdoc << 494 RUSTFMT = rustfmt << 495 CLIPPY_DRIVER = clippy-driver << 496 BINDGEN = bindgen << 497 PAHOLE = pahole << 498 RESOLVE_BTFIDS = $(objtree)/tools/bpf/resolve << 499 LEX = flex << 500 YACC = bison << 501 AWK = awk << 502 INSTALLKERNEL := installkernel << 503 PERL = perl << 504 PYTHON3 = python3 << 505 CHECK = sparse << 506 BASH = bash << 507 KGZIP = gzip << 508 KBZIP2 = bzip2 << 509 KLZOP = lzop << 510 LZMA = lzma << 511 LZ4 = lz4c << 512 XZ = xz << 513 ZSTD = zstd << 514 << 515 CHECKFLAGS := -D__linux__ -Dlinux -D__STDC << 516 -Wbitwise -Wno-return-void - << 517 NOSTDINC_FLAGS := << 518 CFLAGS_MODULE = << 519 RUSTFLAGS_MODULE = << 520 AFLAGS_MODULE = << 521 LDFLAGS_MODULE = << 522 CFLAGS_KERNEL = 41 CFLAGS_KERNEL = 523 RUSTFLAGS_KERNEL = !! 42 PERL = perl 524 AFLAGS_KERNEL = !! 43 AWK = awk 525 LDFLAGS_vmlinux = !! 44 RPM := $(shell if [ -x "/usr/bin/rpmbuild" ]; then echo rpmbuild; \ 526 !! 45 else echo rpm; fi) 527 # Use USERINCLUDE when you must reference the << 528 USERINCLUDE := \ << 529 -I$(srctree)/arch/$(SRCARCH)/i << 530 -I$(objtree)/arch/$(SRCARCH)/i << 531 -I$(srctree)/include/uapi \ << 532 -I$(objtree)/include/generated << 533 -include $(srctree)/include/li << 534 -include $(srctree)/include/li << 535 << 536 # Use LINUXINCLUDE when you must reference the << 537 # Needed to be compatible with the O= option << 538 LINUXINCLUDE := \ << 539 -I$(srctree)/arch/$(SRCARCH)/i << 540 -I$(objtree)/arch/$(SRCARCH)/i << 541 $(if $(building_out_of_srctree << 542 -I$(objtree)/include \ << 543 $(USERINCLUDE) << 544 << 545 KBUILD_AFLAGS := -D__ASSEMBLY__ -fno-PIE << 546 << 547 KBUILD_CFLAGS := << 548 KBUILD_CFLAGS += -std=gnu11 << 549 KBUILD_CFLAGS += -fshort-wchar << 550 KBUILD_CFLAGS += -funsigned-char << 551 KBUILD_CFLAGS += -fno-common << 552 KBUILD_CFLAGS += -fno-PIE << 553 KBUILD_CFLAGS += -fno-strict-aliasing << 554 << 555 KBUILD_CPPFLAGS := -D__KERNEL__ << 556 KBUILD_RUSTFLAGS := $(rust_common_flags) \ << 557 -Cpanic=abort -Cembed-bitc << 558 -Cforce-unwind-tables=n -C << 559 -Csymbol-mangling-version= << 560 -Crelocation-model=static << 561 -Zfunction-sections=n \ << 562 -Wclippy::float_arithmetic << 563 << 564 KBUILD_AFLAGS_KERNEL := << 565 KBUILD_CFLAGS_KERNEL := << 566 KBUILD_RUSTFLAGS_KERNEL := << 567 KBUILD_AFLAGS_MODULE := -DMODULE << 568 KBUILD_CFLAGS_MODULE := -DMODULE << 569 KBUILD_RUSTFLAGS_MODULE := --cfg MODULE << 570 KBUILD_LDFLAGS_MODULE := << 571 KBUILD_LDFLAGS := << 572 CLANG_FLAGS := << 573 << 574 ifeq ($(KBUILD_CLIPPY),1) << 575 RUSTC_OR_CLIPPY_QUIET := CLIPPY << 576 RUSTC_OR_CLIPPY = $(CLIPPY_DRIVER) << 577 else << 578 RUSTC_OR_CLIPPY_QUIET := RUSTC << 579 RUSTC_OR_CLIPPY = $(RUSTC) << 580 endif << 581 << 582 ifdef RUST_LIB_SRC << 583 export RUST_LIB_SRC << 584 endif << 585 << 586 # Allows the usage of unstable features in sta << 587 export RUSTC_BOOTSTRAP := 1 << 588 << 589 export ARCH SRCARCH CONFIG_SHELL BASH HOSTCC K << 590 export RUSTC RUSTDOC RUSTFMT RUSTC_OR_CLIPPY_Q << 591 export HOSTRUSTC KBUILD_HOSTRUSTFLAGS << 592 export CPP AR NM STRIP OBJCOPY OBJDUMP READELF << 593 export PERL PYTHON3 CHECK CHECKFLAGS MAKE UTS_ << 594 export KGZIP KBZIP2 KLZOP LZMA LZ4 XZ ZSTD << 595 export KBUILD_HOSTCXXFLAGS KBUILD_HOSTLDFLAGS << 596 export KBUILD_USERCFLAGS KBUILD_USERLDFLAGS << 597 << 598 export KBUILD_CPPFLAGS NOSTDINC_FLAGS LINUXINC << 599 export KBUILD_CFLAGS CFLAGS_KERNEL CFLAGS_MODU << 600 export KBUILD_RUSTFLAGS RUSTFLAGS_KERNEL RUSTF << 601 export KBUILD_AFLAGS AFLAGS_KERNEL AFLAGS_MODU << 602 export KBUILD_AFLAGS_MODULE KBUILD_CFLAGS_MODU << 603 export KBUILD_AFLAGS_KERNEL KBUILD_CFLAGS_KERN << 604 << 605 # Files to ignore in find ... statements << 606 << 607 export RCS_FIND_IGNORE := \( -name SCCS -o -na << 608 -name CVS -o -name . << 609 -prune -o << 610 << 611 # ============================================ << 612 # Rules shared between *config targets and bui << 613 << 614 # Basic helpers built in scripts/basic/ << 615 PHONY += scripts_basic << 616 scripts_basic: << 617 $(Q)$(MAKE) $(build)=scripts/basic << 618 << 619 PHONY += outputmakefile << 620 ifdef building_out_of_srctree << 621 # Before starting out-of-tree build, make sure << 622 # outputmakefile generates a Makefile in the o << 623 # separate output directory. This allows conve << 624 # output directory. << 625 # At the same time when output Makefile genera << 626 # ignore whole output directory << 627 << 628 quiet_cmd_makefile = GEN Makefile << 629 cmd_makefile = { \ << 630 echo "\# Automatically generated by $( << 631 echo "include $(srctree)/Makefile"; \ << 632 } > Makefile << 633 << 634 outputmakefile: << 635 @if [ -f $(srctree)/.config -o \ << 636 -d $(srctree)/include/config << 637 -d $(srctree)/arch/$(SRCARCH) << 638 echo >&2 "***"; \ << 639 echo >&2 "*** The source tree << 640 echo >&2 "*** in $(abs_srctree << 641 echo >&2 "***"; \ << 642 false; \ << 643 fi << 644 $(Q)ln -fsn $(srctree) source << 645 $(call cmd,makefile) << 646 $(Q)test -e .gitignore || \ << 647 { echo "# this is build directory, ign << 648 endif << 649 << 650 # The expansion should be delayed until arch/$ << 651 # Some architectures define CROSS_COMPILE in a << 652 # CC_VERSION_TEXT is referenced from Kconfig ( << 653 # and from include/config/auto.conf.cmd to det << 654 CC_VERSION_TEXT = $(subst $(pound),,$(shell LC << 655 << 656 ifneq ($(findstring clang,$(CC_VERSION_TEXT)), << 657 include $(srctree)/scripts/Makefile.clang << 658 endif << 659 << 660 # Include this also for config targets because << 661 # cc-cross-prefix to determine CROSS_COMPILE. << 662 ifdef need-compiler << 663 include $(srctree)/scripts/Makefile.compiler << 664 endif << 665 << 666 ifdef config-build << 667 # ============================================ << 668 # *config targets only - make sure prerequisit << 669 # in scripts/kconfig to make the *config targe << 670 << 671 # Read arch-specific Makefile to set KBUILD_DE << 672 # KBUILD_DEFCONFIG may point out an alternativ << 673 # used for 'make defconfig' << 674 include $(srctree)/arch/$(SRCARCH)/Makefile << 675 export KBUILD_DEFCONFIG KBUILD_KCONFIG CC_VERS << 676 << 677 config: outputmakefile scripts_basic FORCE << 678 $(Q)$(MAKE) $(build)=scripts/kconfig $ << 679 << 680 %config: outputmakefile scripts_basic FORCE << 681 $(Q)$(MAKE) $(build)=scripts/kconfig $ << 682 << 683 else #!config-build << 684 # ============================================ << 685 # Build targets only - this includes vmlinux, << 686 # targets and others. In general all targets e << 687 << 688 # If building an external module we do not car << 689 # but instead __all depend on modules << 690 PHONY += all << 691 ifeq ($(KBUILD_EXTMOD),) << 692 __all: all << 693 else << 694 __all: modules << 695 endif << 696 << 697 targets := << 698 << 699 # Decide whether to build built-in, modular, o << 700 # Normally, just do built-in. << 701 << 702 KBUILD_MODULES := << 703 KBUILD_BUILTIN := 1 << 704 << 705 # If we have only "make modules", don't compil << 706 ifeq ($(MAKECMDGOALS),modules) << 707 KBUILD_BUILTIN := << 708 endif << 709 << 710 # If we have "make <whatever> modules", compil << 711 # in addition to whatever we do anyway. << 712 # Just "make" or "make all" shall build module << 713 << 714 ifneq ($(filter all modules nsdeps %compile_co << 715 KBUILD_MODULES := 1 << 716 endif << 717 << 718 ifeq ($(MAKECMDGOALS),) << 719 KBUILD_MODULES := 1 << 720 endif << 721 << 722 export KBUILD_MODULES KBUILD_BUILTIN << 723 << 724 ifdef need-config << 725 include include/config/auto.conf << 726 endif << 727 << 728 ifeq ($(KBUILD_EXTMOD),) << 729 # Objects we will link into vmlinux / subdirs << 730 core-y := << 731 drivers-y := << 732 libs-y := lib/ << 733 endif # KBUILD_EXTMOD << 734 << 735 # The all: target is the default when no targe << 736 # command line. << 737 # This allow a user to issue only 'make' to bu << 738 # Defaults to vmlinux, but the arch makefile u << 739 all: vmlinux << 740 << 741 CFLAGS_GCOV := -fprofile-arcs -ftest-cover << 742 ifdef CONFIG_CC_IS_GCC << 743 CFLAGS_GCOV += -fno-tree-loop-im << 744 endif << 745 export CFLAGS_GCOV << 746 << 747 # The arch Makefiles can override CC_FLAGS_FTR << 748 ifdef CONFIG_FUNCTION_TRACER << 749 CC_FLAGS_FTRACE := -pg << 750 endif << 751 << 752 include $(srctree)/arch/$(SRCARCH)/Makefile << 753 << 754 ifdef need-config << 755 ifdef may-sync-config << 756 # Read in dependencies to all Kconfig* files, << 757 # changes are detected. This should be include << 758 # because some architectures define CROSS_COMP << 759 include include/config/auto.conf.cmd << 760 << 761 $(KCONFIG_CONFIG): << 762 @echo >&2 '***' << 763 @echo >&2 '*** Configuration file "$@" << 764 @echo >&2 '***' << 765 @echo >&2 '*** Please run some configu << 766 @echo >&2 '*** "make menuconfig" or "m << 767 @echo >&2 '***' << 768 @/bin/false << 769 << 770 # The actual configuration files used during t << 771 # include/generated/ and include/config/. Upda << 772 # include/config/auto.conf (which mirrors .con << 773 # << 774 # This exploits the 'multi-target pattern rule << 775 # The syncconfig should be executed only once << 776 # (Note: use the grouped target '&:' when we b << 777 # << 778 # Do not use $(call cmd,...) here. That would << 779 # so you cannot notice that Kconfig is waiting << 780 %/config/auto.conf %/config/auto.conf.cmd %/ge << 781 $(Q)$(kecho) " SYNC $@" << 782 $(Q)$(MAKE) -f $(srctree)/Makefile syn << 783 else # !may-sync-config << 784 # External modules and some install targets ne << 785 # and include/config/auto.conf but do not care << 786 # Use auto.conf to trigger the test << 787 PHONY += include/config/auto.conf << 788 << 789 include/config/auto.conf: << 790 @test -e include/generated/autoconf.h << 791 echo >&2; << 792 echo >&2 " ERROR: Kernel configuratio << 793 echo >&2 " include/generated/a << 794 echo >&2 " Run 'make oldconfig << 795 echo >&2 ; << 796 /bin/false) << 797 << 798 endif # may-sync-config << 799 endif # need-config << 800 << 801 KBUILD_CFLAGS += -fno-delete-null-pointer-ch << 802 << 803 ifdef CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE << 804 KBUILD_CFLAGS += -O2 << 805 KBUILD_RUSTFLAGS += -Copt-level=2 << 806 else ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE << 807 KBUILD_CFLAGS += -Os << 808 KBUILD_RUSTFLAGS += -Copt-level=s << 809 endif << 810 << 811 # Always set `debug-assertions` and `overflow- << 812 # depends on `opt-level` and `debug-assertions << 813 KBUILD_RUSTFLAGS += -Cdebug-assertions=$(if $( << 814 KBUILD_RUSTFLAGS += -Coverflow-checks=$(if $(C << 815 << 816 # Tell gcc to never replace conditional load w << 817 ifdef CONFIG_CC_IS_GCC << 818 # gcc-10 renamed --param=allow-store-data-race << 819 # -fno-allow-store-data-races. << 820 KBUILD_CFLAGS += $(call cc-option,--param=al << 821 KBUILD_CFLAGS += $(call cc-option,-fno-allow << 822 endif << 823 << 824 ifdef CONFIG_READABLE_ASM << 825 # Disable optimizations that make assembler li << 826 # reorder blocks reorders the control in the f << 827 # ipa clone creates specialized cloned functio << 828 # partial inlining inlines only parts of funct << 829 KBUILD_CFLAGS += -fno-reorder-blocks -fno-ipa- << 830 endif << 831 << 832 stackp-flags-y << 833 stackp-flags-$(CONFIG_STACKPROTECTOR) << 834 stackp-flags-$(CONFIG_STACKPROTECTOR_STRONG) << 835 << 836 KBUILD_CFLAGS += $(stackp-flags-y) << 837 << 838 KBUILD_RUSTFLAGS-$(CONFIG_WERROR) += -Dwarning << 839 KBUILD_RUSTFLAGS += $(KBUILD_RUSTFLAGS-y) << 840 << 841 ifdef CONFIG_FRAME_POINTER << 842 KBUILD_CFLAGS += -fno-omit-frame-pointer -fn << 843 KBUILD_RUSTFLAGS += -Cforce-frame-pointers=y << 844 else << 845 # Some targets (ARM with Thumb2, for example), << 846 # pointers. For those, we don't have FUNCTION << 847 # select FRAME_POINTER. However, FUNCTION_TRA << 848 # incompatible with -fomit-frame-pointer with << 849 # -fomit-frame-pointer with FUNCTION_TRACER. << 850 # In the Rust target specification, "frame-poi << 851 # to "may-omit". << 852 ifndef CONFIG_FUNCTION_TRACER << 853 KBUILD_CFLAGS += -fomit-frame-pointer << 854 endif << 855 endif << 856 << 857 # Initialize all stack variables with a 0xAA p << 858 ifdef CONFIG_INIT_STACK_ALL_PATTERN << 859 KBUILD_CFLAGS += -ftrivial-auto-var-init=pat << 860 endif << 861 << 862 # Initialize all stack variables with a zero v << 863 ifdef CONFIG_INIT_STACK_ALL_ZERO << 864 KBUILD_CFLAGS += -ftrivial-auto-var-init=zer << 865 ifdef CONFIG_CC_HAS_AUTO_VAR_INIT_ZERO_ENABLER << 866 # https://github.com/llvm/llvm-project/issues/ << 867 CC_AUTO_VAR_INIT_ZERO_ENABLER := -enable-trivi << 868 export CC_AUTO_VAR_INIT_ZERO_ENABLER << 869 KBUILD_CFLAGS += $(CC_AUTO_VAR_INIT_ZERO_ENA << 870 endif << 871 endif << 872 << 873 # While VLAs have been removed, GCC produces u << 874 # for the randomize_kstack_offset feature. Dis << 875 KBUILD_CFLAGS += $(call cc-option, -fno-stac << 876 << 877 # Clear used registers at func exit (to reduce << 878 ifdef CONFIG_ZERO_CALL_USED_REGS << 879 KBUILD_CFLAGS += -fzero-call-used-regs=used- << 880 endif << 881 << 882 ifdef CONFIG_FUNCTION_TRACER << 883 ifdef CONFIG_FTRACE_MCOUNT_USE_CC << 884 CC_FLAGS_FTRACE += -mrecord-mcount << 885 ifdef CONFIG_HAVE_NOP_MCOUNT << 886 ifeq ($(call cc-option-yn, -mnop-mcount),y << 887 CC_FLAGS_FTRACE += -mnop-mcount << 888 CC_FLAGS_USING += -DCC_USING_NOP_MCOU << 889 endif << 890 endif << 891 endif << 892 ifdef CONFIG_FTRACE_MCOUNT_USE_OBJTOOL << 893 ifdef CONFIG_HAVE_OBJTOOL_NOP_MCOUNT << 894 CC_FLAGS_USING += -DCC_USING_NOP_MCOU << 895 endif << 896 endif << 897 ifdef CONFIG_FTRACE_MCOUNT_USE_RECORDMCOUNT << 898 ifdef CONFIG_HAVE_C_RECORDMCOUNT << 899 BUILD_C_RECORDMCOUNT := y << 900 export BUILD_C_RECORDMCOUNT << 901 endif << 902 endif << 903 ifdef CONFIG_HAVE_FENTRY << 904 # s390-linux-gnu-gcc did not support -mfentr << 905 ifeq ($(call cc-option-yn, -mfentry),y) << 906 CC_FLAGS_FTRACE += -mfentry << 907 CC_FLAGS_USING += -DCC_USING_FENTRY << 908 endif << 909 endif << 910 export CC_FLAGS_FTRACE << 911 KBUILD_CFLAGS += $(CC_FLAGS_FTRACE) $(CC_FLA << 912 KBUILD_AFLAGS += $(CC_FLAGS_USING) << 913 endif << 914 46 915 # We trigger additional mismatches with less i !! 47 export VERSION PATCHLEVEL SUBLEVEL EXTRAVERSION KERNELRELEASE ARCH \ 916 ifdef CONFIG_DEBUG_SECTION_MISMATCH !! 48 CONFIG_SHELL TOPDIR HPATH HOSTCC HOSTCFLAGS CROSS_COMPILE AS LD CC \ 917 KBUILD_CFLAGS += -fno-inline-functions-called- !! 49 CPP AR NM STRIP OBJCOPY OBJDUMP MAKE MAKEFILES GENKSYMS MODFLAGS PERL AWK 918 endif << 919 50 920 # `rustc`'s `-Zfunction-sections` applies to d !! 51 all: do-it-all 921 ifdef CONFIG_LD_DEAD_CODE_DATA_ELIMINATION << 922 KBUILD_CFLAGS_KERNEL += -ffunction-sections -f << 923 KBUILD_RUSTFLAGS_KERNEL += -Zfunction-sections << 924 LDFLAGS_vmlinux += --gc-sections << 925 endif << 926 52 927 ifdef CONFIG_SHADOW_CALL_STACK !! 53 # 928 ifndef CONFIG_DYNAMIC_SCS !! 54 # Make "config" the default target if there is no configuration file or 929 CC_FLAGS_SCS := -fsanitize=shadow-call-stac !! 55 # "depend" the target if there is no top-level dependency information. 930 KBUILD_CFLAGS += $(CC_FLAGS_SCS) !! 56 # 931 endif << 932 export CC_FLAGS_SCS << 933 endif << 934 57 935 ifdef CONFIG_LTO_CLANG !! 58 ifeq (.config,$(wildcard .config)) 936 ifdef CONFIG_LTO_CLANG_THIN !! 59 include .config 937 CC_FLAGS_LTO := -flto=thin -fsplit-lto-unit !! 60 ifeq (.depend,$(wildcard .depend)) >> 61 include .depend >> 62 do-it-all: Version vmlinux 938 else 63 else 939 CC_FLAGS_LTO := -flto !! 64 CONFIGURATION = depend >> 65 do-it-all: depend 940 endif 66 endif 941 CC_FLAGS_LTO += -fvisibility=hidden << 942 << 943 # Limit inlining across translation units to r << 944 KBUILD_LDFLAGS += -mllvm -import-instr-limit=5 << 945 endif << 946 << 947 ifdef CONFIG_LTO << 948 KBUILD_CFLAGS += -fno-lto $(CC_FLAGS_LTO) << 949 KBUILD_AFLAGS += -fno-lto << 950 export CC_FLAGS_LTO << 951 endif << 952 << 953 ifdef CONFIG_CFI_CLANG << 954 CC_FLAGS_CFI := -fsanitize=kcfi << 955 KBUILD_CFLAGS += $(CC_FLAGS_CFI) << 956 export CC_FLAGS_CFI << 957 endif << 958 << 959 # Architectures can define flags to add/remove << 960 CC_FLAGS_FPU += -D_LINUX_FPU_COMPILATION_UN << 961 export CC_FLAGS_FPU << 962 export CC_FLAGS_NO_FPU << 963 << 964 ifneq ($(CONFIG_FUNCTION_ALIGNMENT),0) << 965 # Set the minimal function alignment. Use the << 966 # -fmin-function-alignment if it is available, << 967 # See also CONFIG_CC_HAS_SANE_FUNCTION_ALIGNME << 968 ifdef CONFIG_CC_HAS_MIN_FUNCTION_ALIGNMENT << 969 KBUILD_CFLAGS += -fmin-function-alignment=$(CO << 970 else 67 else 971 KBUILD_CFLAGS += -falign-functions=$(CONFIG_FU !! 68 CONFIGURATION = config 972 endif !! 69 do-it-all: config 973 endif << 974 << 975 # arch Makefile may override CC so keep this a << 976 NOSTDINC_FLAGS += -nostdinc << 977 << 978 # To gain proper coverage for CONFIG_UBSAN_BOU << 979 # the kernel uses only C99 flexible arrays for << 980 # arrays. Enforce this for everything that may << 981 # perform bounds checking. << 982 KBUILD_CFLAGS += $(call cc-option, -fstrict-fl << 983 << 984 #Currently, disable -Wstringop-overflow for GC << 985 KBUILD_CFLAGS-$(CONFIG_CC_NO_STRINGOP_OVERFLOW << 986 KBUILD_CFLAGS-$(CONFIG_CC_STRINGOP_OVERFLOW) + << 987 << 988 # disable invalid "can't wrap" optimizations f << 989 KBUILD_CFLAGS += -fno-strict-overflow << 990 << 991 # Make sure -fstack-check isn't enabled (like << 992 KBUILD_CFLAGS += -fno-stack-check << 993 << 994 # conserve stack if available << 995 ifdef CONFIG_CC_IS_GCC << 996 KBUILD_CFLAGS += -fconserve-stack << 997 endif 70 endif 998 71 999 # change __FILE__ to the relative path from th << 1000 KBUILD_CPPFLAGS += $(call cc-option,-fmacro-p << 1001 << 1002 # include additional Makefiles when needed << 1003 include-y := scripts/Ma << 1004 include-$(CONFIG_DEBUG_INFO) += scripts/Ma << 1005 include-$(CONFIG_DEBUG_INFO_BTF)+= scripts/Ma << 1006 include-$(CONFIG_KASAN) += scripts/Ma << 1007 include-$(CONFIG_KCSAN) += scripts/Ma << 1008 include-$(CONFIG_KMSAN) += scripts/Ma << 1009 include-$(CONFIG_UBSAN) += scripts/Ma << 1010 include-$(CONFIG_KCOV) += scripts/Ma << 1011 include-$(CONFIG_RANDSTRUCT) += scripts/Ma << 1012 include-$(CONFIG_GCC_PLUGINS) += scripts/Ma << 1013 << 1014 include $(addprefix $(srctree)/, $(include-y) << 1015 << 1016 # scripts/Makefile.gcc-plugins is intentional << 1017 # Do not add $(call cc-option,...) below this << 1018 # from the clean source tree, the GCC plugins << 1019 << 1020 # Add user supplied CPPFLAGS, AFLAGS, CFLAGS << 1021 KBUILD_CPPFLAGS += $(KCPPFLAGS) << 1022 KBUILD_AFLAGS += $(KAFLAGS) << 1023 KBUILD_CFLAGS += $(KCFLAGS) << 1024 KBUILD_RUSTFLAGS += $(KRUSTFLAGS) << 1025 << 1026 KBUILD_LDFLAGS_MODULE += --build-id=sha1 << 1027 LDFLAGS_vmlinux += --build-id=sha1 << 1028 << 1029 KBUILD_LDFLAGS += -z noexecstack << 1030 ifeq ($(CONFIG_LD_IS_BFD),y) << 1031 KBUILD_LDFLAGS += $(call ld-option,--no-warn << 1032 endif << 1033 << 1034 ifeq ($(CONFIG_STRIP_ASM_SYMS),y) << 1035 LDFLAGS_vmlinux += -X << 1036 endif << 1037 << 1038 ifeq ($(CONFIG_RELR),y) << 1039 # ld.lld before 15 did not support -z pack-re << 1040 LDFLAGS_vmlinux += $(call ld-option,--pack-dy << 1041 endif << 1042 << 1043 # We never want expected sections to be place << 1044 # linker. All sections should be explicitly n << 1045 ifdef CONFIG_LD_ORPHAN_WARN << 1046 LDFLAGS_vmlinux += --orphan-handling=$(CONFIG << 1047 endif << 1048 << 1049 # Align the bit size of userspace programs wi << 1050 KBUILD_USERCFLAGS += $(filter -m32 -m64 --ta << 1051 KBUILD_USERLDFLAGS += $(filter -m32 -m64 --ta << 1052 << 1053 # make the checker run with the right archite << 1054 CHECKFLAGS += --arch=$(ARCH) << 1055 << 1056 # insure the checker run with the right endia << 1057 CHECKFLAGS += $(if $(CONFIG_CPU_BIG_ENDIAN),- << 1058 << 1059 # the checker needs the correct machine size << 1060 CHECKFLAGS += $(if $(CONFIG_64BIT),-m64,-m32) << 1061 << 1062 # Default kernel image to build when no speci << 1063 # KBUILD_IMAGE may be overruled on the comman << 1064 # set in the environment << 1065 # Also any assignments in arch/$(ARCH)/Makefi << 1066 # this default value << 1067 export KBUILD_IMAGE ?= vmlinux << 1068 << 1069 # 72 # 1070 # INSTALL_PATH specifies where to place the u 73 # INSTALL_PATH specifies where to place the updated kernel and system map 1071 # images. Default is /boot, but you can set i !! 74 # images. Uncomment if you want to place them anywhere other than root. 1072 export INSTALL_PATH ?= /boot << 1073 << 1074 # << 1075 # INSTALL_DTBS_PATH specifies a prefix for re << 1076 # Like INSTALL_MOD_PATH, it isn't defined in << 1077 # an argument if needed. Otherwise it default << 1078 # 75 # 1079 export INSTALL_DTBS_PATH ?= $(INSTALL_PATH)/d !! 76 >> 77 #export INSTALL_PATH=/boot 1080 78 1081 # 79 # 1082 # INSTALL_MOD_PATH specifies a prefix to MODL 80 # INSTALL_MOD_PATH specifies a prefix to MODLIB for module directory 1083 # relocations required by build roots. This 81 # relocations required by build roots. This is not defined in the 1084 # makefile but the argument can be passed to !! 82 # makefile but the arguement can be passed to make if needed. 1085 # 83 # 1086 84 1087 MODLIB = $(INSTALL_MOD_PATH)/lib/modules/$(K !! 85 MODLIB := $(INSTALL_MOD_PATH)/lib/modules/$(KERNELRELEASE) 1088 export MODLIB 86 export MODLIB 1089 87 1090 PHONY += prepare0 !! 88 # 1091 !! 89 # standard CFLAGS 1092 export extmod_prefix = $(if $(KBUILD_EXTMOD), !! 90 # 1093 export MODORDER := $(extmod_prefix)modules.or << 1094 export MODULES_NSDEPS := $(extmod_prefix)modu << 1095 << 1096 ifeq ($(KBUILD_EXTMOD),) << 1097 << 1098 build-dir := . << 1099 clean-dirs := $(sort . Documentation \ << 1100 $(patsubst %/,%,$(filter << 1101 $(drivers-) $(libs-)) << 1102 << 1103 export ARCH_CORE := $(core-y) << 1104 export ARCH_LIB := $(filter %/, $(lib << 1105 export ARCH_DRIVERS := $(drivers-y) $(dri << 1106 # Externally visible symbols (used by link-vm << 1107 << 1108 KBUILD_VMLINUX_OBJS := ./built-in.a << 1109 ifdef CONFIG_MODULES << 1110 KBUILD_VMLINUX_OBJS += $(patsubst %/, %/lib.a << 1111 KBUILD_VMLINUX_LIBS := $(filter-out %/, $(lib << 1112 else << 1113 KBUILD_VMLINUX_LIBS := $(patsubst %/,%/lib.a, << 1114 endif << 1115 << 1116 export KBUILD_VMLINUX_LIBS << 1117 export KBUILD_LDS := arch/$(SRCARCH) << 1118 << 1119 ifdef CONFIG_TRIM_UNUSED_KSYMS << 1120 # For the kernel to actually contain only the << 1121 # we have to build modules as well to determi << 1122 KBUILD_MODULES := 1 << 1123 endif << 1124 << 1125 # '$(AR) mPi' needs 'T' to workaround the bug << 1126 quiet_cmd_ar_vmlinux.a = AR $@ << 1127 cmd_ar_vmlinux.a = \ << 1128 rm -f $@; \ << 1129 $(AR) cDPrST $@ $(KBUILD_VMLINUX_OBJS << 1130 $(AR) mPiT $$($(AR) t $@ | sed -n 1p) << 1131 << 1132 targets += vmlinux.a << 1133 vmlinux.a: $(KBUILD_VMLINUX_OBJS) scripts/hea << 1134 $(call if_changed,ar_vmlinux.a) << 1135 << 1136 PHONY += vmlinux_o << 1137 vmlinux_o: vmlinux.a $(KBUILD_VMLINUX_LIBS) << 1138 $(Q)$(MAKE) -f $(srctree)/scripts/Mak << 1139 << 1140 vmlinux.o modules.builtin.modinfo modules.bui << 1141 @: << 1142 << 1143 PHONY += vmlinux << 1144 # LDFLAGS_vmlinux in the top Makefile defines << 1145 # not for decompressors. LDFLAGS_vmlinux in a << 1146 # unrelated; the decompressors just happen to << 1147 # arch/*/boot/compressed/vmlinux. << 1148 # Export LDFLAGS_vmlinux only to scripts/Make << 1149 # << 1150 # _LDFLAGS_vmlinux is a workaround for the 'p << 1151 # https://savannah.gnu.org/bugs/?61463 << 1152 # For Make > 4.4, the following simple code w << 1153 # vmlinux: private export LDFLAGS_vmlinux := << 1154 vmlinux: private _LDFLAGS_vmlinux := $(LDFLAG << 1155 vmlinux: export LDFLAGS_vmlinux = $(_LDFLAGS_ << 1156 vmlinux: vmlinux.o $(KBUILD_LDS) modpost << 1157 $(Q)$(MAKE) -f $(srctree)/scripts/Mak << 1158 << 1159 # The actual objects are generated when desce << 1160 # make sure no implicit rule kicks in << 1161 $(sort $(KBUILD_LDS) $(KBUILD_VMLINUX_OBJS) $ << 1162 << 1163 ifeq ($(origin KERNELRELEASE),file) << 1164 filechk_kernel.release = $(srctree)/scripts/s << 1165 else << 1166 filechk_kernel.release = echo $(KERNELRELEASE << 1167 endif << 1168 << 1169 # Store (new) KERNELRELEASE string in include << 1170 include/config/kernel.release: FORCE << 1171 $(call filechk,kernel.release) << 1172 << 1173 # Additional helpers built in scripts/ << 1174 # Carefully list dependencies so we do not tr << 1175 # in parallel << 1176 PHONY += scripts << 1177 scripts: scripts_basic scripts_dtc << 1178 $(Q)$(MAKE) $(build)=$(@) << 1179 << 1180 # Things we need to do before we recursively << 1181 # or the modules are listed in "prepare". << 1182 # A multi level approach is used. prepareN is << 1183 # archprepare is used in arch Makefiles and w << 1184 # version.h and scripts_basic is processed / << 1185 << 1186 PHONY += prepare archprepare << 1187 << 1188 archprepare: outputmakefile archheaders archs << 1189 asm-generic $(version_h) include/gene << 1190 include/generated/compile.h include/g << 1191 << 1192 prepare0: archprepare << 1193 $(Q)$(MAKE) $(build)=scripts/mod << 1194 $(Q)$(MAKE) $(build)=. prepare << 1195 << 1196 # All the preparing.. << 1197 prepare: prepare0 << 1198 ifdef CONFIG_RUST << 1199 +$(Q)$(CONFIG_SHELL) $(srctree)/scrip << 1200 $(Q)$(MAKE) $(build)=rust << 1201 endif << 1202 << 1203 PHONY += remove-stale-files << 1204 remove-stale-files: << 1205 $(Q)$(srctree)/scripts/remove-stale-f << 1206 << 1207 # Support for using generic headers in asm-ge << 1208 asm-generic := -f $(srctree)/scripts/Makefile << 1209 << 1210 PHONY += asm-generic uapi-asm-generic << 1211 asm-generic: uapi-asm-generic << 1212 $(Q)$(MAKE) $(asm-generic)=arch/$(SRC << 1213 generic=include/asm-generic << 1214 uapi-asm-generic: << 1215 $(Q)$(MAKE) $(asm-generic)=arch/$(SRC << 1216 generic=include/uapi/asm-generic << 1217 << 1218 # Generate some files << 1219 # ------------------------------------------- << 1220 << 1221 # KERNELRELEASE can change from a few differe << 1222 # needs to be updated, so this check is force << 1223 << 1224 uts_len := 64 << 1225 define filechk_utsrelease.h << 1226 if [ `echo -n "$(KERNELRELEASE)" | wc << 1227 echo '"$(KERNELRELEASE)" exceeds $( << 1228 exit 1; << 1229 fi; << 1230 echo \#define UTS_RELEASE \"$(KERNELR << 1231 endef << 1232 << 1233 define filechk_version.h << 1234 if [ $(SUBLEVEL) -gt 255 ]; then << 1235 echo \#define LINUX_VERSION_C << 1236 expr $(VERSION) \* 65536 + $( << 1237 else << 1238 echo \#define LINUX_VERSION_C << 1239 expr $(VERSION) \* 65536 + $( << 1240 fi; << 1241 echo '#define KERNEL_VERSION(a,b,c) ( << 1242 ((c) > 255 ? 255 : (c)))'; << 1243 echo \#define LINUX_VERSION_MAJOR $(V << 1244 echo \#define LINUX_VERSION_PATCHLEVE << 1245 echo \#define LINUX_VERSION_SUBLEVEL << 1246 endef << 1247 << 1248 $(version_h): private PATCHLEVEL := $(or $(PA << 1249 $(version_h): private SUBLEVEL := $(or $(SUBL << 1250 $(version_h): FORCE << 1251 $(call filechk,version.h) << 1252 << 1253 include/generated/utsrelease.h: include/confi << 1254 $(call filechk,utsrelease.h) << 1255 << 1256 filechk_compile.h = $(srctree)/scripts/mkcomp << 1257 "$(UTS_MACHINE)" "$(CONFIG_CC_VERSION << 1258 << 1259 include/generated/compile.h: FORCE << 1260 $(call filechk,compile.h) << 1261 << 1262 PHONY += headerdep << 1263 headerdep: << 1264 $(Q)find $(srctree)/include/ -name '* << 1265 $(srctree)/scripts/headerdep.pl -I$(s << 1266 << 1267 # ------------------------------------------- << 1268 # Kernel headers << 1269 << 1270 #Default location for installed headers << 1271 export INSTALL_HDR_PATH = $(objtree)/usr << 1272 << 1273 quiet_cmd_headers_install = INSTALL $(INSTALL << 1274 cmd_headers_install = \ << 1275 mkdir -p $(INSTALL_HDR_PATH); \ << 1276 rsync -mrl --include='*/' --include=' << 1277 usr/include $(INSTALL_HDR_PATH) << 1278 << 1279 PHONY += headers_install << 1280 headers_install: headers << 1281 $(call cmd,headers_install) << 1282 << 1283 PHONY += archheaders archscripts << 1284 << 1285 hdr-inst := -f $(srctree)/scripts/Makefile.he << 1286 << 1287 PHONY += headers << 1288 headers: $(version_h) scripts_unifdef uapi-as << 1289 $(if $(filter um, $(SRCARCH)), $(erro << 1290 $(Q)$(MAKE) $(hdr-inst)=include/uapi << 1291 $(Q)$(MAKE) $(hdr-inst)=arch/$(SRCARC << 1292 << 1293 ifdef CONFIG_HEADERS_INSTALL << 1294 prepare: headers << 1295 endif << 1296 << 1297 PHONY += scripts_unifdef << 1298 scripts_unifdef: scripts_basic << 1299 $(Q)$(MAKE) $(build)=scripts scripts/ << 1300 << 1301 # ------------------------------------------- << 1302 # Install << 1303 << 1304 # Many distributions have the custom install << 1305 # If DKMS is installed, 'make install' will e << 1306 # to this Makefile to build and install exter << 1307 # Cancel sub_make_done so that options such a << 1308 << 1309 quiet_cmd_install = INSTALL $(INSTALL_PATH) << 1310 cmd_install = unset sub_make_done; $(sr << 1311 << 1312 # ------------------------------------------- << 1313 # vDSO install << 1314 << 1315 PHONY += vdso_install << 1316 vdso_install: export INSTALL_FILES = $(vdso-i << 1317 vdso_install: << 1318 $(Q)$(MAKE) -f $(srctree)/scripts/Mak << 1319 << 1320 # ------------------------------------------- << 1321 # Tools << 1322 << 1323 ifdef CONFIG_OBJTOOL << 1324 prepare: tools/objtool << 1325 endif << 1326 << 1327 ifdef CONFIG_BPF << 1328 ifdef CONFIG_DEBUG_INFO_BTF << 1329 prepare: tools/bpf/resolve_btfids << 1330 endif << 1331 endif << 1332 << 1333 # The tools build system is not a part of Kbu << 1334 # its own unique issues. If you need to integ << 1335 # please consider locating that tool outside << 1336 # standard Kbuild "hostprogs" syntax instead << 1337 # here. See Documentation/kbuild/makefiles.rs << 1338 << 1339 PHONY += resolve_btfids_clean << 1340 << 1341 resolve_btfids_O = $(abspath $(objtree))/tool << 1342 << 1343 # tools/bpf/resolve_btfids directory might no << 1344 # in output directory, skip its clean in that << 1345 resolve_btfids_clean: << 1346 ifneq ($(wildcard $(resolve_btfids_O)),) << 1347 $(Q)$(MAKE) -sC $(srctree)/tools/bpf/ << 1348 endif << 1349 << 1350 # Clear a bunch of variables before executing << 1351 ifeq ($(quiet),silent_) << 1352 tools_silent=s << 1353 endif << 1354 << 1355 tools/: FORCE << 1356 $(Q)mkdir -p $(objtree)/tools << 1357 $(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(too << 1358 << 1359 tools/%: FORCE << 1360 $(Q)mkdir -p $(objtree)/tools << 1361 $(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(too << 1362 << 1363 # ------------------------------------------- << 1364 # Kernel selftest << 1365 << 1366 PHONY += kselftest << 1367 kselftest: headers << 1368 $(Q)$(MAKE) -C $(srctree)/tools/testi << 1369 << 1370 kselftest-%: headers FORCE << 1371 $(Q)$(MAKE) -C $(srctree)/tools/testi << 1372 << 1373 PHONY += kselftest-merge << 1374 kselftest-merge: << 1375 $(if $(wildcard $(objtree)/.config),, << 1376 $(Q)find $(srctree)/tools/testing/sel << 1377 xargs $(srctree)/scripts/kcon << 1378 $(Q)$(MAKE) -f $(srctree)/Makefile ol << 1379 << 1380 # ------------------------------------------- << 1381 # Devicetree files << 1382 << 1383 ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/ << 1384 dtstree := arch/$(SRCARCH)/boot/dts << 1385 endif << 1386 << 1387 ifneq ($(dtstree),) << 1388 << 1389 %.dtb: dtbs_prepare << 1390 $(Q)$(MAKE) $(build)=$(dtstree) $(dts << 1391 << 1392 %.dtbo: dtbs_prepare << 1393 $(Q)$(MAKE) $(build)=$(dtstree) $(dts << 1394 << 1395 PHONY += dtbs dtbs_prepare dtbs_install dtbs_ << 1396 dtbs: dtbs_prepare << 1397 $(Q)$(MAKE) $(build)=$(dtstree) need- << 1398 << 1399 # include/config/kernel.release is actually n << 1400 # INSTALL_DTBS_PATH contains $(KERNELRELEASE) << 1401 # dtbs_install depend on it as dtbs_install m << 1402 dtbs_prepare: include/config/kernel.release s << 1403 << 1404 ifneq ($(filter dtbs_check, $(MAKECMDGOALS)), << 1405 export CHECK_DTBS=y << 1406 endif << 1407 << 1408 ifneq ($(CHECK_DTBS),) << 1409 dtbs_prepare: dt_binding_schemas << 1410 endif << 1411 << 1412 dtbs_check: dtbs << 1413 << 1414 dtbs_install: << 1415 $(Q)$(MAKE) -f $(srctree)/scripts/Mak << 1416 << 1417 ifdef CONFIG_OF_EARLY_FLATTREE << 1418 all: dtbs << 1419 endif << 1420 << 1421 endif << 1422 91 1423 PHONY += scripts_dtc !! 92 CPPFLAGS := -D__KERNEL__ -I$(HPATH) 1424 scripts_dtc: scripts_basic << 1425 $(Q)$(MAKE) $(build)=scripts/dtc << 1426 93 1427 ifneq ($(filter dt_binding_check, $(MAKECMDGO !! 94 CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes -Wno-trigraphs -O2 \ 1428 export CHECK_DTBS=y !! 95 -fno-strict-aliasing -fno-common 1429 endif !! 96 CFLAGS += -fno-builtin-strpbrk -fno-builtin-sprintf >> 97 ifndef CONFIG_FRAME_POINTER >> 98 CFLAGS += -fomit-frame-pointer >> 99 endif >> 100 AFLAGS := -D__ASSEMBLY__ $(CPPFLAGS) >> 101 >> 102 check_gcc = $(shell if $(CC) $(1) -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi) >> 103 if_gcc4 = $(shell if echo __GNUC__ | $(CC) -E -xc - | grep -q '^4$$' > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi) >> 104 >> 105 # disable pointer signedness warnings in gcc 4.0 >> 106 CFLAGS += $(call check_gcc,-Wno-pointer-sign,) >> 107 >> 108 # disable stupid and dangerous "optimization" in gcc 3.2+ >> 109 CFLAGS += $(call check_gcc,-fno-delete-null-pointer-checks,) >> 110 >> 111 # >> 112 # ROOT_DEV specifies the default root-device when making the image. >> 113 # This can be either FLOPPY, CURRENT, /dev/xxxx or empty, in which case >> 114 # the default of FLOPPY is used by 'build'. >> 115 # This is i386 specific. >> 116 # >> 117 >> 118 export ROOT_DEV = CURRENT >> 119 >> 120 # >> 121 # If you want to preset the SVGA mode, uncomment the next line and >> 122 # set SVGA_MODE to whatever number you want. >> 123 # Set it to -DSVGA_MODE=NORMAL_VGA if you just want the EGA/VGA mode. >> 124 # The number is the same as you would ordinarily press at bootup. >> 125 # This is i386 specific. >> 126 # >> 127 >> 128 export SVGA_MODE = -DSVGA_MODE=NORMAL_VGA >> 129 >> 130 # >> 131 # If you want the RAM disk device, define this to be the size in blocks. >> 132 # This is i386 specific. >> 133 # >> 134 >> 135 #export RAMDISK = -DRAMDISK=512 >> 136 >> 137 CORE_FILES =kernel/kernel.o mm/mm.o fs/fs.o ipc/ipc.o >> 138 NETWORKS =net/network.o >> 139 >> 140 LIBS =$(TOPDIR)/lib/lib.a >> 141 SUBDIRS =kernel drivers mm fs net ipc lib crypto >> 142 ifdef CONFIG_CCSECURITY >> 143 SUBDIRS += security/ccsecurity >> 144 ifdef CONFIG_CCSECURITY_LKM >> 145 CORE_FILES += security/ccsecurity/load_policy.o >> 146 else >> 147 CORE_FILES += security/ccsecurity/ccsecurity.o >> 148 endif >> 149 endif >> 150 >> 151 DRIVERS-n := >> 152 DRIVERS-y := >> 153 DRIVERS-m := >> 154 DRIVERS- := >> 155 >> 156 DRIVERS-$(CONFIG_ACPI_BOOT) += drivers/acpi/acpi.o >> 157 DRIVERS-$(CONFIG_PARPORT) += drivers/parport/driver.o >> 158 DRIVERS-y += drivers/char/char.o \ >> 159 drivers/block/block.o \ >> 160 drivers/misc/misc.o \ >> 161 drivers/net/net.o >> 162 DRIVERS-$(CONFIG_AGP) += drivers/char/agp/agp.o >> 163 DRIVERS-$(CONFIG_DRM_NEW) += drivers/char/drm/drm.o >> 164 DRIVERS-$(CONFIG_DRM_OLD) += drivers/char/drm-4.0/drm.o >> 165 DRIVERS-$(CONFIG_NUBUS) += drivers/nubus/nubus.a >> 166 DRIVERS-$(CONFIG_NET_FC) += drivers/net/fc/fc.o >> 167 DRIVERS-$(CONFIG_DEV_APPLETALK) += drivers/net/appletalk/appletalk.o >> 168 DRIVERS-$(CONFIG_TR) += drivers/net/tokenring/tr.o >> 169 DRIVERS-$(CONFIG_WAN) += drivers/net/wan/wan.o >> 170 DRIVERS-$(CONFIG_ARCNET) += drivers/net/arcnet/arcnetdrv.o >> 171 DRIVERS-$(CONFIG_ATM) += drivers/atm/atm.o >> 172 DRIVERS-$(CONFIG_IDE) += drivers/ide/idedriver.o >> 173 DRIVERS-$(CONFIG_FC4) += drivers/fc4/fc4.a >> 174 DRIVERS-$(CONFIG_SCSI) += drivers/scsi/scsidrv.o >> 175 DRIVERS-$(CONFIG_FUSION_BOOT) += drivers/message/fusion/fusion.o >> 176 DRIVERS-$(CONFIG_IEEE1394) += drivers/ieee1394/ieee1394drv.o >> 177 >> 178 ifneq ($(CONFIG_CD_NO_IDESCSI)$(CONFIG_BLK_DEV_IDECD)$(CONFIG_BLK_DEV_SR)$(CONFIG_PARIDE_PCD),) >> 179 DRIVERS-y += drivers/cdrom/driver.o >> 180 endif >> 181 >> 182 DRIVERS-$(CONFIG_SOUND) += drivers/sound/sounddrivers.o >> 183 DRIVERS-$(CONFIG_PCI) += drivers/pci/driver.o >> 184 DRIVERS-$(CONFIG_MTD) += drivers/mtd/mtdlink.o >> 185 DRIVERS-$(CONFIG_PCMCIA) += drivers/pcmcia/pcmcia.o >> 186 DRIVERS-$(CONFIG_NET_PCMCIA) += drivers/net/pcmcia/pcmcia_net.o >> 187 DRIVERS-$(CONFIG_NET_WIRELESS) += drivers/net/wireless/wireless_net.o >> 188 DRIVERS-$(CONFIG_PCMCIA_CHRDEV) += drivers/char/pcmcia/pcmcia_char.o >> 189 DRIVERS-$(CONFIG_DIO) += drivers/dio/dio.a >> 190 DRIVERS-$(CONFIG_SBUS) += drivers/sbus/sbus_all.o >> 191 DRIVERS-$(CONFIG_ZORRO) += drivers/zorro/driver.o >> 192 DRIVERS-$(CONFIG_FC4) += drivers/fc4/fc4.a >> 193 DRIVERS-$(CONFIG_PPC32) += drivers/macintosh/macintosh.o >> 194 DRIVERS-$(CONFIG_MAC) += drivers/macintosh/macintosh.o >> 195 DRIVERS-$(CONFIG_ISAPNP) += drivers/pnp/pnp.o >> 196 DRIVERS-$(CONFIG_I2C) += drivers/i2c/i2c.o >> 197 DRIVERS-$(CONFIG_VT) += drivers/video/video.o >> 198 DRIVERS-$(CONFIG_PARIDE) += drivers/block/paride/paride.a >> 199 DRIVERS-$(CONFIG_HAMRADIO) += drivers/net/hamradio/hamradio.o >> 200 DRIVERS-$(CONFIG_TC) += drivers/tc/tc.a >> 201 DRIVERS-$(CONFIG_USB) += drivers/usb/usbdrv.o >> 202 DRIVERS-$(CONFIG_USB_GADGET) += drivers/usb/gadget/built-in.o >> 203 DRIVERS-y +=drivers/media/media.o >> 204 DRIVERS-$(CONFIG_INPUT) += drivers/input/inputdrv.o >> 205 DRIVERS-$(CONFIG_HIL) += drivers/hil/hil.o >> 206 DRIVERS-$(CONFIG_I2O) += drivers/message/i2o/i2o.o >> 207 DRIVERS-$(CONFIG_IRDA) += drivers/net/irda/irda.o >> 208 DRIVERS-$(CONFIG_PHONE) += drivers/telephony/telephony.o >> 209 DRIVERS-$(CONFIG_MD) += drivers/md/mddev.o >> 210 DRIVERS-$(CONFIG_GSC) += drivers/gsc/gscbus.o >> 211 DRIVERS-$(CONFIG_BLUEZ) += drivers/bluetooth/bluetooth.o >> 212 DRIVERS-$(CONFIG_HOTPLUG_PCI) += drivers/hotplug/vmlinux-obj.o >> 213 DRIVERS-$(CONFIG_ISDN_BOOL) += drivers/isdn/vmlinux-obj.o >> 214 DRIVERS-$(CONFIG_CRYPTO) += crypto/crypto.o >> 215 >> 216 DRIVERS := $(DRIVERS-y) >> 217 >> 218 >> 219 # files removed with 'make clean' >> 220 CLEAN_FILES = \ >> 221 kernel/ksyms.lst include/linux/compile.h \ >> 222 vmlinux System.map \ >> 223 .tmp* \ >> 224 drivers/char/consolemap_deftbl.c drivers/video/promcon_tbl.c \ >> 225 drivers/char/conmakehash \ >> 226 drivers/char/drm/*-mod.c \ >> 227 drivers/pci/devlist.h drivers/pci/classlist.h drivers/pci/gen-devlist \ >> 228 drivers/zorro/devlist.h drivers/zorro/gen-devlist \ >> 229 drivers/sound/bin2hex drivers/sound/hex2hex \ >> 230 drivers/atm/fore200e_mkfirm drivers/atm/{pca,sba}*{.bin,.bin1,.bin2} \ >> 231 drivers/scsi/aic7xxx/aicasm/aicasm \ >> 232 drivers/scsi/aic7xxx/aicasm/aicasm_gram.c \ >> 233 drivers/scsi/aic7xxx/aicasm/aicasm_gram.h \ >> 234 drivers/scsi/aic7xxx/aicasm/aicasm_macro_gram.c \ >> 235 drivers/scsi/aic7xxx/aicasm/aicasm_macro_gram.h \ >> 236 drivers/scsi/aic7xxx/aicasm/aicasm_macro_scan.c \ >> 237 drivers/scsi/aic7xxx/aicasm/aicasm_scan.c \ >> 238 drivers/scsi/aic7xxx/aicasm/aicdb.h \ >> 239 drivers/scsi/aic7xxx/aicasm/y.tab.h \ >> 240 drivers/scsi/53c700_d.h \ >> 241 drivers/tc/lk201-map.c \ >> 242 net/khttpd/make_times_h \ >> 243 net/khttpd/times.h \ >> 244 submenu* \ >> 245 drivers/ieee1394/oui.c >> 246 # directories removed with 'make clean' >> 247 CLEAN_DIRS = \ >> 248 modules >> 249 >> 250 # files removed with 'make mrproper' >> 251 MRPROPER_FILES = \ >> 252 include/linux/autoconf.h include/linux/version.h \ >> 253 lib/crc32table.h lib/gen_crc32table \ >> 254 drivers/net/hamradio/soundmodem/sm_tbl_{afsk1200,afsk2666,fsk9600}.h \ >> 255 drivers/net/hamradio/soundmodem/sm_tbl_{hapn4800,psk4800}.h \ >> 256 drivers/net/hamradio/soundmodem/sm_tbl_{afsk2400_7,afsk2400_8}.h \ >> 257 drivers/net/hamradio/soundmodem/gentbl \ >> 258 drivers/sound/*_boot.h drivers/sound/.*.boot \ >> 259 drivers/sound/msndinit.c \ >> 260 drivers/sound/msndperm.c \ >> 261 drivers/sound/pndsperm.c \ >> 262 drivers/sound/pndspini.c \ >> 263 drivers/atm/fore200e_*_fw.c drivers/atm/.fore200e_*.fw \ >> 264 .version .config* config.in config.old \ >> 265 scripts/tkparse scripts/kconfig.tk scripts/kconfig.tmp \ >> 266 scripts/lxdialog/*.o scripts/lxdialog/lxdialog \ >> 267 .menuconfig.log \ >> 268 include/asm \ >> 269 .hdepend scripts/mkdep scripts/split-include scripts/docproc \ >> 270 $(TOPDIR)/include/linux/modversions.h \ >> 271 kernel.spec >> 272 >> 273 # directories removed with 'make mrproper' >> 274 MRPROPER_DIRS = \ >> 275 include/config \ >> 276 $(TOPDIR)/include/linux/modules >> 277 >> 278 >> 279 include arch/$(ARCH)/Makefile >> 280 >> 281 # Extra cflags for kbuild 2.4. The default is to forbid includes by kernel code >> 282 # from user space headers. Some UML code requires user space headers, in the >> 283 # UML Makefiles add 'kbuild_2_4_nostdinc :=' before include Rules.make. No >> 284 # other kernel code should include user space headers, if you need >> 285 # 'kbuild_2_4_nostdinc :=' or -I/usr/include for kernel code and you are not UML >> 286 # then your code is broken! KAO. >> 287 >> 288 kbuild_2_4_nostdinc := -nostdinc -iwithprefix include >> 289 export kbuild_2_4_nostdinc >> 290 >> 291 export CPPFLAGS CFLAGS CFLAGS_KERNEL AFLAGS AFLAGS_KERNEL >> 292 >> 293 export NETWORKS DRIVERS LIBS HEAD LDFLAGS LINKFLAGS MAKEBOOT ASFLAGS >> 294 >> 295 .S.s: >> 296 $(CPP) $(AFLAGS) $(AFLAGS_KERNEL) -traditional -o $*.s $< >> 297 .S.o: >> 298 $(CC) $(AFLAGS) $(AFLAGS_KERNEL) -traditional -c -o $*.o $< >> 299 >> 300 Version: dummy >> 301 @rm -f include/linux/compile.h >> 302 >> 303 boot: vmlinux >> 304 @$(MAKE) CFLAGS="$(CFLAGS) $(CFLAGS_KERNEL)" -C arch/$(ARCH)/boot >> 305 >> 306 vmlinux: include/linux/version.h $(CONFIGURATION) init/main.o init/version.o init/do_mounts.o linuxsubdirs >> 307 $(LD) $(LINKFLAGS) $(HEAD) init/main.o init/version.o init/do_mounts.o \ >> 308 --start-group \ >> 309 $(CORE_FILES) \ >> 310 $(DRIVERS) \ >> 311 $(NETWORKS) \ >> 312 $(LIBS) \ >> 313 --end-group \ >> 314 -o vmlinux >> 315 $(NM) vmlinux | grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | sort > System.map >> 316 >> 317 symlinks: >> 318 rm -f include/asm >> 319 ( cd include ; ln -sf asm-$(ARCH) asm) >> 320 @if [ ! -d include/linux/modules ]; then \ >> 321 mkdir include/linux/modules; \ >> 322 fi 1430 323 1431 PHONY += dt_binding_check dt_binding_schemas !! 324 oldconfig: symlinks 1432 dt_binding_check: dt_binding_schemas scripts_ !! 325 $(CONFIG_SHELL) scripts/Configure -d arch/$(ARCH)/config.in 1433 $(Q)$(MAKE) $(build)=Documentation/de << 1434 << 1435 dt_binding_schemas: << 1436 $(Q)$(MAKE) $(build)=Documentation/de << 1437 << 1438 PHONY += dt_compatible_check << 1439 dt_compatible_check: dt_binding_schemas << 1440 $(Q)$(MAKE) $(build)=Documentation/de << 1441 326 1442 # ------------------------------------------- !! 327 xconfig: symlinks 1443 # Modules !! 328 $(MAKE) -C scripts kconfig.tk >> 329 wish -f scripts/kconfig.tk >> 330 >> 331 menuconfig: include/linux/version.h symlinks >> 332 $(MAKE) -C scripts/lxdialog all >> 333 $(CONFIG_SHELL) scripts/Menuconfig arch/$(ARCH)/config.in >> 334 >> 335 config: symlinks >> 336 $(CONFIG_SHELL) scripts/Configure arch/$(ARCH)/config.in >> 337 >> 338 include/config/MARKER: scripts/split-include include/linux/autoconf.h >> 339 scripts/split-include include/linux/autoconf.h include/config >> 340 @ touch include/config/MARKER >> 341 >> 342 linuxsubdirs: $(patsubst %, _dir_%, $(SUBDIRS)) >> 343 >> 344 $(patsubst %, _dir_%, $(SUBDIRS)) : dummy include/linux/version.h include/config/MARKER >> 345 $(MAKE) CFLAGS="$(CFLAGS) $(CFLAGS_KERNEL)" -C $(patsubst _dir_%, %, $@) >> 346 >> 347 $(TOPDIR)/include/linux/version.h: include/linux/version.h >> 348 $(TOPDIR)/include/linux/compile.h: include/linux/compile.h >> 349 >> 350 newversion: >> 351 . scripts/mkversion > .tmpversion >> 352 @mv -f .tmpversion .version >> 353 >> 354 uts_len := 64 >> 355 uts_truncate := sed -e 's/\(.\{1,$(uts_len)\}\).*/\1/' >> 356 >> 357 include/linux/compile.h: $(CONFIGURATION) include/linux/version.h newversion >> 358 @echo -n \#`cat .version` > .ver1 >> 359 @if [ -n "$(CONFIG_SMP)" ] ; then echo -n " SMP" >> .ver1; fi >> 360 @if [ -f .name ]; then echo -n \-`cat .name` >> .ver1; fi >> 361 @LANG=C echo ' '`date` >> .ver1 >> 362 @echo \#define UTS_VERSION \"`cat .ver1 | $(uts_truncate)`\" > .ver >> 363 @LANG=C echo \#define LINUX_COMPILE_TIME \"`date +%T`\" >> .ver >> 364 @echo \#define LINUX_COMPILE_BY \"`whoami`\" >> .ver >> 365 @echo \#define LINUX_COMPILE_HOST \"`hostname | $(uts_truncate)`\" >> .ver >> 366 @([ -x /bin/dnsdomainname ] && /bin/dnsdomainname > .ver1) || \ >> 367 ([ -x /bin/domainname ] && /bin/domainname > .ver1) || \ >> 368 echo > .ver1 >> 369 @echo \#define LINUX_COMPILE_DOMAIN \"`cat .ver1 | $(uts_truncate)`\" >> .ver >> 370 @echo \#define LINUX_COMPILER \"`$(CC) $(CFLAGS) -v 2>&1 | tail -n 1`\" >> .ver >> 371 @mv -f .ver $@ >> 372 @rm -f .ver1 >> 373 >> 374 include/linux/version.h: ./Makefile >> 375 @expr length "$(KERNELRELEASE)" \<= $(uts_len) > /dev/null || \ >> 376 (echo KERNELRELEASE \"$(KERNELRELEASE)\" exceeds $(uts_len) characters >&2; false) >> 377 @echo \#define UTS_RELEASE \"$(KERNELRELEASE)\" > .ver >> 378 @echo \#define LINUX_VERSION_CODE `expr $(VERSION) \\* 65536 + $(PATCHLEVEL) \\* 256 + $(SUBLEVEL)` >> .ver >> 379 @echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))' >>.ver >> 380 @mv -f .ver $@ >> 381 >> 382 comma := , >> 383 >> 384 init/version.o: init/version.c include/linux/compile.h include/config/MARKER >> 385 $(CC) $(CFLAGS) $(CFLAGS_KERNEL) -DUTS_MACHINE='"$(ARCH)"' -DKBUILD_BASENAME=$(subst $(comma),_,$(subst -,_,$(*F))) -c -o init/version.o init/version.c >> 386 >> 387 init/main.o: init/main.c include/config/MARKER >> 388 $(CC) $(CFLAGS) $(CFLAGS_KERNEL) $(PROFILING) -DKBUILD_BASENAME=$(subst $(comma),_,$(subst -,_,$(*F))) -c -o $@ $< >> 389 >> 390 init/do_mounts.o: init/do_mounts.c include/config/MARKER >> 391 $(CC) $(CFLAGS) $(CFLAGS_KERNEL) $(PROFILING) -DKBUILD_BASENAME=$(subst $(comma),_,$(subst -,_,$(*F))) -c -o $@ $< >> 392 >> 393 fs lib mm ipc kernel drivers net: dummy >> 394 $(MAKE) CFLAGS="$(CFLAGS) $(CFLAGS_KERNEL)" $(subst $@, _dir_$@, $@) >> 395 >> 396 TAGS: dummy >> 397 { find include/asm-${ARCH} -name '*.h' -print ; \ >> 398 find include -type d \( -name "asm-*" -o -name config \) -prune -o -name '*.h' -print ; \ >> 399 find $(SUBDIRS) init arch/${ARCH} -name '*.[chS]' ; } | grep -v SCCS | grep -v '\.svn' | etags - >> 400 >> 401 # Exuberant ctags works better with -I >> 402 tags: dummy >> 403 CTAGSF=`ctags --version | grep -i exuberant >/dev/null && echo "-I __initdata,__exitdata,EXPORT_SYMBOL,EXPORT_SYMBOL_NOVERS"`; \ >> 404 ctags $$CTAGSF `find include/asm-$(ARCH) -name '*.h'` && \ >> 405 find include -type d \( -name "asm-*" -o -name config \) -prune -o -name '*.h' -print | xargs ctags $$CTAGSF -a && \ >> 406 find $(SUBDIRS) init -name '*.[ch]' | xargs ctags $$CTAGSF -a >> 407 >> 408 cscope: dummy >> 409 (echo \-k; echo \-q; find * -name '*.[chS]') > cscope.files >> 410 cscope -b -f cscope.out 1444 411 1445 ifdef CONFIG_MODULES 412 ifdef CONFIG_MODULES 1446 << 1447 # By default, build modules as well << 1448 << 1449 all: modules << 1450 << 1451 # When we're building modules with modversion << 1452 # the built-in objects during the descend as << 1453 # make sure the checksums are up to date befo << 1454 ifdef CONFIG_MODVERSIONS 413 ifdef CONFIG_MODVERSIONS 1455 KBUILD_BUILTIN := 1 !! 414 MODFLAGS += -DMODVERSIONS -include $(HPATH)/linux/modversions.h 1456 endif 415 endif 1457 416 1458 # Build modules !! 417 .PHONY: modules 1459 # !! 418 modules: $(patsubst %, _mod_%, $(SUBDIRS)) 1460 419 1461 # *.ko are usually independent of vmlinux, bu !! 420 .PHONY: $(patsubst %, _mod_%, $(SUBDIRS)) 1462 # is an exception. !! 421 $(patsubst %, _mod_%, $(SUBDIRS)) : include/linux/version.h include/config/MARKER 1463 ifdef CONFIG_DEBUG_INFO_BTF_MODULES !! 422 $(MAKE) -C $(patsubst _mod_%, %, $@) CFLAGS="$(CFLAGS) $(MODFLAGS)" MAKING_MODULES=1 modules 1464 KBUILD_BUILTIN := 1 !! 423 1465 modules: vmlinux !! 424 .PHONY: modules_install 1466 endif !! 425 modules_install: _modinst_ $(patsubst %, _modinst_%, $(SUBDIRS)) _modinst_post 1467 !! 426 1468 modules: modules_prepare !! 427 .PHONY: _modinst_ 1469 !! 428 _modinst_: 1470 # Target to prepare building external modules !! 429 @rm -rf $(MODLIB)/kernel 1471 modules_prepare: prepare !! 430 @rm -f $(MODLIB)/build 1472 $(Q)$(MAKE) $(build)=scripts scripts/ !! 431 @mkdir -p $(MODLIB)/kernel 1473 !! 432 @ln -s $(TOPDIR) $(MODLIB)/build 1474 endif # CONFIG_MODULES !! 433 1475 !! 434 # If System.map exists, run depmod. This deliberately does not have a 1476 ### !! 435 # dependency on System.map since that would run the dependency tree on 1477 # Cleaning is done on three levels. !! 436 # vmlinux. This depmod is only for convenience to give the initial 1478 # make clean Delete most generated files !! 437 # boot a modules.dep even before / is mounted read-write. However the 1479 # Leave enough to build extern !! 438 # boot script depmod is the master version. 1480 # make mrproper Delete the current configura !! 439 ifeq "$(strip $(INSTALL_MOD_PATH))" "" 1481 # make distclean Remove editor backup files, !! 440 depmod_opts := 1482 !! 441 else 1483 # Directories & files removed with 'make clea !! 442 depmod_opts := -b $(INSTALL_MOD_PATH) -r 1484 CLEAN_FILES += vmlinux.symvers modules-only.s !! 443 endif 1485 modules.builtin modules.builti !! 444 .PHONY: _modinst_post 1486 compile_commands.json rust/tes !! 445 _modinst_post: _modinst_post_pcmcia 1487 rust-project.json .vmlinux.obj !! 446 if [ -r System.map ]; then $(DEPMOD) -ae -F System.map $(depmod_opts) $(KERNELRELEASE); fi 1488 !! 447 1489 # Directories & files removed with 'make mrpr !! 448 # Backwards compatibilty symlinks for people still using old versions 1490 MRPROPER_FILES += include/config include/gene !! 449 # of pcmcia-cs with hard coded pathnames on insmod. Remove 1491 arch/$(SRCARCH)/include/gen !! 450 # _modinst_post_pcmcia for kernel 2.4.1. 1492 debian snap tar-install PKG !! 451 .PHONY: _modinst_post_pcmcia 1493 .config .config.old .versio !! 452 _modinst_post_pcmcia: 1494 Module.symvers \ !! 453 cd $(MODLIB); \ 1495 certs/signing_key.pem \ !! 454 mkdir -p pcmcia; \ 1496 certs/x509.genkey \ !! 455 find kernel -path '*/pcmcia/*' -name '*.o' | xargs -i -r ln -sf ../{} pcmcia 1497 vmlinux-gdb.py \ !! 456 1498 rpmbuild \ !! 457 .PHONY: $(patsubst %, _modinst_%, $(SUBDIRS)) 1499 rust/libmacros.so !! 458 $(patsubst %, _modinst_%, $(SUBDIRS)) : 1500 !! 459 $(MAKE) -C $(patsubst _modinst_%, %, $@) modules_install 1501 # clean - Delete most, but leave enough to bu !! 460 1502 # !! 461 # modules disabled.... 1503 clean: private rm-files := $(CLEAN_FILES) !! 462 1504 !! 463 else 1505 PHONY += archclean vmlinuxclean !! 464 modules modules_install: dummy 1506 !! 465 @echo 1507 vmlinuxclean: !! 466 @echo "The present kernel configuration has modules disabled." 1508 $(Q)$(CONFIG_SHELL) $(srctree)/script !! 467 @echo "Type 'make config' and enable loadable module support." 1509 $(Q)$(if $(ARCH_POSTLINK), $(MAKE) -f !! 468 @echo "Then build a kernel with module support enabled." 1510 !! 469 @echo 1511 clean: archclean vmlinuxclean resolve_btfids_ !! 470 @exit 1 1512 !! 471 endif 1513 # mrproper - Delete all generated files, incl !! 472 1514 # !! 473 clean: archclean 1515 mrproper: private rm-files := $(MRPROPER_FILE !! 474 find . \( -name '*.[oas]' -o -name core -o -name '.*.flags' \) -type f -print \ 1516 mrproper-dirs := $(addprefix _mrproper_, !! 475 | grep -v lxdialog/ | xargs rm -f 1517 !! 476 rm -f $(CLEAN_FILES) 1518 PHONY += $(mrproper-dirs) mrproper !! 477 rm -rf $(CLEAN_DIRS) 1519 $(mrproper-dirs): !! 478 $(MAKE) -C Documentation/DocBook clean 1520 $(Q)$(MAKE) $(clean)=$(patsubst _mrpr !! 479 1521 !! 480 mrproper: clean archmrproper 1522 mrproper: clean $(mrproper-dirs) !! 481 find . \( -size 0 -o -name .depend \) -type f -print | xargs rm -f 1523 $(call cmd,rmfiles) !! 482 rm -f $(MRPROPER_FILES) 1524 @find . $(RCS_FIND_IGNORE) \ !! 483 rm -rf $(MRPROPER_DIRS) 1525 \( -name '*.rmeta' \) \ !! 484 $(MAKE) -C Documentation/DocBook mrproper 1526 -type f -print | xargs rm -f << 1527 << 1528 # distclean << 1529 # << 1530 PHONY += distclean << 1531 485 1532 distclean: mrproper 486 distclean: mrproper 1533 @find . $(RCS_FIND_IGNORE) \ !! 487 rm -f core `find . \( -not -type d \) -and \ 1534 \( -name '*.orig' -o -name '* 488 \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ 1535 -o -name '*.bak' -o -name '#* !! 489 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ 1536 -o -name 'core' -o -name tags !! 490 -o -name '.*.rej' -o -name '.SUMS' -o -size 0 \) -type f -print` TAGS tags cscope* 1537 -o -name GPATH -o -name GRTAG << 1538 -type f -print | xargs rm -f << 1539 << 1540 << 1541 # Packaging of the kernel to various formats << 1542 # ------------------------------------------- << 1543 << 1544 %src-pkg: FORCE << 1545 $(Q)$(MAKE) -f $(srctree)/scripts/Mak << 1546 %pkg: include/config/kernel.release FORCE << 1547 $(Q)$(MAKE) -f $(srctree)/scripts/Mak << 1548 << 1549 # Brief documentation of the typical targets << 1550 # ------------------------------------------- << 1551 << 1552 boards := $(wildcard $(srctree)/arch/$(SRCARC << 1553 boards := $(sort $(notdir $(boards))) << 1554 board-dirs := $(dir $(wildcard $(srctree)/arc << 1555 board-dirs := $(sort $(notdir $(board-dirs:/= << 1556 << 1557 PHONY += help << 1558 help: << 1559 @echo 'Cleaning targets:' << 1560 @echo ' clean - Remove mo << 1561 @echo ' enough bu << 1562 @echo ' mrproper - Remove al << 1563 @echo ' distclean - mrproper << 1564 @echo '' << 1565 @$(MAKE) -f $(srctree)/scripts/kconfi << 1566 @echo '' << 1567 @echo 'Other generic targets:' << 1568 @echo ' all - Build all << 1569 @echo '* vmlinux - Build the << 1570 @echo '* modules - Build all << 1571 @echo ' modules_install - Install a << 1572 @echo ' vdso_install - Install u << 1573 @echo ' dir/ - Build all << 1574 @echo ' dir/file.[ois] - Build spe << 1575 @echo ' dir/file.ll - Build the << 1576 @echo ' (requires << 1577 @echo ' dir/file.lst - Build spe << 1578 @echo ' (requires << 1579 @echo ' dir/file.ko - Build mod << 1580 @echo ' modules_prepare - Set up fo << 1581 @echo ' tags/TAGS - Generate << 1582 @echo ' cscope - Generate << 1583 @echo ' gtags - Generate << 1584 @echo ' kernelrelease - Output th << 1585 @echo ' kernelversion - Output th << 1586 @echo ' image_name - Output th << 1587 @echo ' headers_install - Install s << 1588 echo ' (default: << 1589 echo '' << 1590 @echo 'Static analysers:' << 1591 @echo ' checkstack - Generate << 1592 @echo ' with a st << 1593 @echo ' versioncheck - Sanity ch << 1594 @echo ' includecheck - Check for << 1595 @echo ' export_report - List the << 1596 @echo ' headerdep - Detect in << 1597 @echo ' coccicheck - Check wit << 1598 @echo ' clang-analyzer - Check wit << 1599 @echo ' clang-tidy - Check wit << 1600 @echo '' << 1601 @echo 'Tools:' << 1602 @echo ' nsdeps - Generate << 1603 @echo '' << 1604 @echo 'Kernel selftest:' << 1605 @echo ' kselftest - Build a << 1606 @echo ' Build, << 1607 @echo ' running << 1608 @echo ' Run as << 1609 @echo ' kselftest-all - Build k << 1610 @echo ' kselftest-install - Build a << 1611 @echo ' kselftest-clean - Remove << 1612 @echo ' kselftest-merge - Merge a << 1613 @echo ' kselfte << 1614 @echo '' << 1615 @echo 'Rust targets:' << 1616 @echo ' rustavailable - Checks wh << 1617 @echo ' available << 1618 @echo ' rustfmt - Reformat << 1619 @echo ' rustfmtcheck - Checks if << 1620 @echo ' is format << 1621 @echo ' rustdoc - Generate << 1622 @echo ' (requires << 1623 @echo ' rusttest - Runs the << 1624 @echo ' (requires << 1625 @echo ' rust-analyzer - Generate << 1626 @echo ' (requires << 1627 @echo ' dir/file.[os] - Build spe << 1628 @echo ' dir/file.rsi - Build mac << 1629 @echo ' Run with << 1630 @echo ' The outpu << 1631 @echo ' dir/file.ll - Build the << 1632 @echo '' << 1633 @$(if $(dtstree), \ << 1634 echo 'Devicetree:'; \ << 1635 echo '* dtbs - << 1636 echo ' dtbs_install - << 1637 echo ' dt_binding_check - << 1638 echo ' dt_binding_schema - << 1639 echo ' dtbs_check - << 1640 echo '') << 1641 << 1642 @echo 'Userspace tools targets:' << 1643 @echo ' use "make tools/help"' << 1644 @echo ' or "cd tools; make help"' << 1645 @echo '' << 1646 @echo 'Kernel packaging:' << 1647 @$(MAKE) -f $(srctree)/scripts/Makefi << 1648 @echo '' << 1649 @echo 'Documentation targets:' << 1650 @$(MAKE) -f $(srctree)/Documentation/ << 1651 @echo '' << 1652 @echo 'Architecture-specific targets << 1653 @$(or $(archhelp),\ << 1654 echo ' No architecture-speci << 1655 @echo '' << 1656 @$(if $(boards), \ << 1657 $(foreach b, $(boards), \ << 1658 printf " %-27s - Build for % << 1659 echo '') << 1660 @$(if $(board-dirs), \ << 1661 $(foreach b, $(board-dirs), \ << 1662 printf " %-16s - Show %s-spe << 1663 printf " %-16s - Show all of << 1664 echo '') << 1665 << 1666 @echo ' make V=n [targets] 1: ver << 1667 @echo ' 2: giv << 1668 @echo ' V=1 an << 1669 @echo ' make O=dir [targets] Locate << 1670 @echo ' make C=1 [targets] Check << 1671 @echo ' (spars << 1672 @echo ' make C=2 [targets] Force << 1673 @echo ' make RECORDMCOUNT_WARN=1 [t << 1674 @echo ' make W=n [targets] Enable << 1675 @echo ' 1: warnings w << 1676 @echo ' 2: warnings w << 1677 @echo ' 3: more obscu << 1678 @echo ' c: extra chec << 1679 @echo ' e: warnings a << 1680 @echo ' Multiple leve << 1681 @$(if $(dtstree), \ << 1682 echo ' make CHECK_DTBS=1 [ta << 1683 echo ' This can be ap << 1684 ) << 1685 @echo '' << 1686 @echo 'Execute "make" or "make all" << 1687 @echo 'For further info see the ./RE << 1688 << 1689 << 1690 help-board-dirs := $(addprefix help-,$(board- << 1691 << 1692 help-boards: $(help-board-dirs) << 1693 << 1694 boards-per-dir = $(sort $(notdir $(wildcard $ << 1695 << 1696 $(help-board-dirs): help-%: << 1697 @echo 'Architecture-specific targets << 1698 @$(if $(boards-per-dir), \ << 1699 $(foreach b, $(boards-per-dir << 1700 printf " %-24s - Build for % << 1701 echo '') << 1702 << 1703 << 1704 # Documentation targets << 1705 # ------------------------------------------- << 1706 DOC_TARGETS := xmldocs latexdocs pdfdocs html << 1707 linkcheckdocs dochelp refcheck << 1708 PHONY += $(DOC_TARGETS) << 1709 $(DOC_TARGETS): << 1710 $(Q)$(MAKE) $(build)=Documentation $@ << 1711 << 1712 << 1713 # Rust targets << 1714 # ------------------------------------------- << 1715 << 1716 # "Is Rust available?" target << 1717 PHONY += rustavailable << 1718 rustavailable: << 1719 +$(Q)$(CONFIG_SHELL) $(srctree)/scrip << 1720 << 1721 # Documentation target << 1722 # << 1723 # Using the singular to avoid running afoul o << 1724 PHONY += rustdoc << 1725 rustdoc: prepare << 1726 $(Q)$(MAKE) $(build)=rust $@ << 1727 << 1728 # Testing target << 1729 PHONY += rusttest << 1730 rusttest: prepare << 1731 $(Q)$(MAKE) $(build)=rust $@ << 1732 << 1733 # Formatting targets << 1734 PHONY += rustfmt rustfmtcheck << 1735 << 1736 # We skip `rust/alloc` since we want to minim << 1737 # << 1738 # We match using absolute paths since `find` << 1739 # when matching, which is a problem when e.g. << 1740 # We `grep` afterwards in order to remove the << 1741 rustfmt: << 1742 $(Q)find $(abs_srctree) -type f -name << 1743 -o -path $(abs_srctree)/rust/ << 1744 -o -path $(abs_objtree)/rust/ << 1745 | grep -Fv $(abs_srctree)/rus << 1746 | grep -Fv $(abs_objtree)/rus << 1747 | grep -Fv generated \ << 1748 | xargs $(RUSTFMT) $(rustfmt_ << 1749 << 1750 rustfmtcheck: rustfmt_flags = --check << 1751 rustfmtcheck: rustfmt << 1752 << 1753 # Misc << 1754 # ------------------------------------------- << 1755 << 1756 PHONY += misc-check << 1757 misc-check: << 1758 $(Q)$(srctree)/scripts/misc-check << 1759 << 1760 all: misc-check << 1761 << 1762 PHONY += scripts_gdb << 1763 scripts_gdb: prepare0 << 1764 $(Q)$(MAKE) $(build)=scripts/gdb << 1765 $(Q)ln -fsn $(abspath $(srctree)/scri << 1766 491 1767 ifdef CONFIG_GDB_SCRIPTS !! 492 backup: mrproper 1768 all: scripts_gdb !! 493 cd .. && tar cf - linux/ | gzip -9 > backup.gz >> 494 sync >> 495 >> 496 sgmldocs: >> 497 chmod 755 $(TOPDIR)/scripts/docgen >> 498 chmod 755 $(TOPDIR)/scripts/gen-all-syms >> 499 chmod 755 $(TOPDIR)/scripts/kernel-doc >> 500 $(MAKE) -C $(TOPDIR)/Documentation/DocBook books >> 501 >> 502 psdocs: sgmldocs >> 503 $(MAKE) -C Documentation/DocBook ps >> 504 >> 505 pdfdocs: sgmldocs >> 506 $(MAKE) -C Documentation/DocBook pdf >> 507 >> 508 htmldocs: sgmldocs >> 509 $(MAKE) -C Documentation/DocBook html >> 510 >> 511 mandocs: >> 512 chmod 755 $(TOPDIR)/scripts/kernel-doc >> 513 chmod 755 $(TOPDIR)/scripts/split-man >> 514 $(MAKE) -C Documentation/DocBook man >> 515 >> 516 sums: >> 517 find . -type f -print | sort | xargs sum > .SUMS >> 518 >> 519 dep-files: scripts/mkdep archdep include/linux/version.h >> 520 rm -f .depend .hdepend >> 521 $(MAKE) $(patsubst %,_sfdep_%,$(SUBDIRS)) _FASTDEP_ALL_SUB_DIRS="$(SUBDIRS)" >> 522 ifdef CONFIG_MODVERSIONS >> 523 $(MAKE) update-modverfile 1769 endif 524 endif >> 525 scripts/mkdep -- `find $(FINDHPATH) \( -name SCCS -o -name .svn \) -prune -o -follow -name \*.h ! -name modversions.h -print` > .hdepend >> 526 scripts/mkdep -- init/*.c > .depend 1770 527 1771 else # KBUILD_EXTMOD !! 528 ifdef CONFIG_MODVERSIONS >> 529 MODVERFILE := $(TOPDIR)/include/linux/modversions.h >> 530 else >> 531 MODVERFILE := >> 532 endif >> 533 export MODVERFILE 1772 534 1773 filechk_kernel.release = echo $(KERNELRELEASE !! 535 depend dep: dep-files 1774 536 1775 ### !! 537 checkconfig: 1776 # External module support. !! 538 find * -name '*.[hcS]' -type f -print | sort | xargs $(PERL) -w scripts/checkconfig.pl 1777 # When building external modules the kernel u << 1778 # read-only, and no consistency checks are ma << 1779 # system is not used on the basis kernel. If << 1780 # in the basis kernel ordinary make commands << 1781 << 1782 # We are always building only modules. << 1783 KBUILD_BUILTIN := << 1784 KBUILD_MODULES := 1 << 1785 << 1786 build-dir := $(KBUILD_EXTMOD) << 1787 << 1788 compile_commands.json: $(extmod_prefix)compil << 1789 PHONY += compile_commands.json << 1790 << 1791 clean-dirs := $(KBUILD_EXTMOD) << 1792 clean: private rm-files := $(KBUILD_EXTMOD)/M << 1793 $(KBUILD_EXTMOD)/compile_commands.jso << 1794 << 1795 PHONY += prepare << 1796 # now expand this into a simple variable to r << 1797 prepare: CC_VERSION_TEXT := $(CC_VERSION_TEXT << 1798 prepare: << 1799 @if [ "$(CC_VERSION_TEXT)" != "$(CONF << 1800 echo >&2 "warning: the compil << 1801 echo >&2 " The kernel was bu << 1802 echo >&2 " You are using: << 1803 fi << 1804 539 1805 PHONY += help !! 540 checkhelp: 1806 help: !! 541 find * -name [cC]onfig.in -print | sort | xargs $(PERL) -w scripts/checkhelp.pl 1807 @echo ' Building external modules.' << 1808 @echo ' Syntax: make -C path/to/ker << 1809 @echo '' << 1810 @echo ' modules - default t << 1811 @echo ' modules_install - install t << 1812 @echo ' clean - remove ge << 1813 @echo ' rust-analyzer - generate << 1814 @echo '' << 1815 << 1816 ifndef CONFIG_MODULES << 1817 modules modules_install: __external_modules_e << 1818 __external_modules_error: << 1819 @echo >&2 '***' << 1820 @echo >&2 '*** The present kernel dis << 1821 @echo >&2 '*** You cannot build or in << 1822 @echo >&2 '***' << 1823 @false << 1824 endif << 1825 542 1826 endif # KBUILD_EXTMOD !! 543 checkincludes: >> 544 find * -name '*.[hcS]' -type f -print | sort | xargs $(PERL) -w scripts/checkincludes.pl 1827 545 1828 # ------------------------------------------- !! 546 ifdef CONFIGURATION 1829 # Modules !! 547 ..$(CONFIGURATION): >> 548 @echo >> 549 @echo "You have a bad or nonexistent" .$(CONFIGURATION) ": running 'make" $(CONFIGURATION)"'" >> 550 @echo >> 551 $(MAKE) $(CONFIGURATION) >> 552 @echo >> 553 @echo "Successful. Try re-making (ignore the error that follows)" >> 554 @echo >> 555 exit 1 1830 556 1831 PHONY += modules modules_install modules_sign !! 557 #dummy: ..$(CONFIGURATION) >> 558 dummy: 1832 559 1833 modules_install: << 1834 $(Q)$(MAKE) -f $(srctree)/scripts/Mak << 1835 sign-only=$(if $(filter modules_insta << 1836 << 1837 ifeq ($(CONFIG_MODULE_SIG),y) << 1838 # modules_sign is a subset of modules_install << 1839 # 'make modules_install modules_sign' is equi << 1840 modules_sign: modules_install << 1841 @: << 1842 else 560 else 1843 modules_sign: << 1844 @echo >&2 '***' << 1845 @echo >&2 '*** CONFIG_MODULE_SIG is d << 1846 @echo >&2 '***' << 1847 @false << 1848 endif << 1849 << 1850 ifdef CONFIG_MODULES << 1851 561 1852 $(MODORDER): $(build-dir) !! 562 dummy: 1853 @: << 1854 563 1855 # KBUILD_MODPOST_NOFINAL can be set to skip t << 1856 # This is solely useful to speed up test comp << 1857 modules: modpost << 1858 ifneq ($(KBUILD_MODPOST_NOFINAL),1) << 1859 $(Q)$(MAKE) -f $(srctree)/scripts/Mak << 1860 endif 564 endif 1861 565 1862 PHONY += modules_check !! 566 include Rules.make 1863 modules_check: $(MODORDER) << 1864 $(Q)$(CONFIG_SHELL) $(srctree)/script << 1865 << 1866 else # CONFIG_MODULES << 1867 << 1868 modules: << 1869 @: << 1870 567 1871 KBUILD_MODULES := !! 568 # >> 569 # This generates dependencies for the .h files. >> 570 # 1872 571 1873 endif # CONFIG_MODULES !! 572 scripts/mkdep: scripts/mkdep.c >> 573 $(HOSTCC) $(HOSTCFLAGS) -o scripts/mkdep scripts/mkdep.c 1874 574 1875 PHONY += modpost !! 575 scripts/split-include: scripts/split-include.c 1876 modpost: $(if $(single-build),, $(if $(KBUILD !! 576 $(HOSTCC) $(HOSTCFLAGS) -o scripts/split-include scripts/split-include.c 1877 $(if $(KBUILD_MODULES), modules_chec << 1878 $(Q)$(MAKE) -f $(srctree)/scripts/Mak << 1879 577 1880 # Single targets << 1881 # ------------------------------------------- << 1882 # To build individual files in subdirectories << 1883 # 578 # 1884 # make foo/bar/baz.s !! 579 # RPM target 1885 # 580 # 1886 # The supported suffixes for single-target ar !! 581 # If you do a make spec before packing the tarball you can rpm -ta it 1887 # 582 # 1888 # To build only under specific subdirectories !! 583 spec: 1889 # !! 584 . scripts/mkspec >kernel.spec 1890 # make foo/bar/baz/ << 1891 << 1892 ifdef single-build << 1893 << 1894 # .ko is special because modpost is needed << 1895 single-ko := $(sort $(filter %.ko, $(MAKECMDG << 1896 single-no-ko := $(filter-out $(single-ko), $( << 1897 $(foreach x, o mod, $(patsubs << 1898 << 1899 $(single-ko): single_modules << 1900 @: << 1901 $(single-no-ko): $(build-dir) << 1902 @: << 1903 << 1904 # Remove MODORDER when done because it is not << 1905 PHONY += single_modules << 1906 single_modules: $(single-no-ko) modules_prepa << 1907 $(Q){ $(foreach m, $(single-ko), echo << 1908 $(Q)$(MAKE) -f $(srctree)/scripts/Mak << 1909 ifneq ($(KBUILD_MODPOST_NOFINAL),1) << 1910 $(Q)$(MAKE) -f $(srctree)/scripts/Mak << 1911 endif << 1912 $(Q)rm -f $(MODORDER) << 1913 << 1914 single-goals := $(addprefix $(build-dir)/, $( << 1915 << 1916 KBUILD_MODULES := 1 << 1917 << 1918 endif << 1919 585 1920 # Preset locale variables to speed up the bui !! 586 # 1921 # tweaks to this spot to avoid wrong language !! 587 # Build a tar ball, generate an rpm from it and pack the result 1922 # make menuconfig etc. !! 588 # There arw two bits of magic here 1923 # Error messages still appears in the origina !! 589 # 1) The use of /. to avoid tar packing just the symlink 1924 PHONY += $(build-dir) !! 590 # 2) Removing the .dep files as they have source paths in them that 1925 $(build-dir): prepare !! 591 # will become invalid 1926 $(Q)$(MAKE) $(build)=$@ need-builtin= !! 592 # 1927 !! 593 rpm: clean spec 1928 clean-dirs := $(addprefix _clean_, $(clean-di !! 594 find . \( -size 0 -o -name .depend -o -name .hdepend \) -type f -print | xargs rm -f 1929 PHONY += $(clean-dirs) clean !! 595 set -e; \ 1930 $(clean-dirs): !! 596 cd $(TOPDIR)/.. ; \ 1931 $(Q)$(MAKE) $(clean)=$(patsubst _clea !! 597 ln -sf $(TOPDIR) $(KERNELPATH) ; \ 1932 !! 598 tar -cvz --exclude CVS -f $(KERNELPATH).tar.gz $(KERNELPATH)/. ; \ 1933 clean: $(clean-dirs) !! 599 rm $(KERNELPATH) ; \ 1934 $(call cmd,rmfiles) !! 600 cd $(TOPDIR) ; \ 1935 @find $(or $(KBUILD_EXTMOD), .) $(RCS !! 601 . scripts/mkversion > .version ; \ 1936 \( -name '*.[aios]' -o -name !! 602 $(RPM) -ta $(TOPDIR)/../$(KERNELPATH).tar.gz ; \ 1937 -o -name '*.ko.*' \ !! 603 rm $(TOPDIR)/../$(KERNELPATH).tar.gz 1938 -o -name '*.dtb' -o -name '*. << 1939 -o -name '*.dtb.S' -o -name ' << 1940 -o -name '*.dt.yaml' -o -name << 1941 -o -name '*.dwo' -o -name '*. << 1942 -o -name '*.su' -o -name '*.m << 1943 -o -name '.*.d' -o -name '.*. << 1944 -o -name '*.lex.c' -o -name ' << 1945 -o -name '*.asn1.[ch]' \ << 1946 -o -name '*.symtypes' -o -nam << 1947 -o -name '*.c.[012]*.*' \ << 1948 -o -name '*.ll' \ << 1949 -o -name '*.gcno' \ << 1950 -o -name '*.*.symversions' \) << 1951 -o -name '.tmp_*' -print \ << 1952 | xargs rm -rf << 1953 << 1954 # Generate tags for editors << 1955 # ------------------------------------------- << 1956 quiet_cmd_tags = GEN $@ << 1957 cmd_tags = $(BASH) $(srctree)/scripts/t << 1958 << 1959 tags TAGS cscope gtags: FORCE << 1960 $(call cmd,tags) << 1961 << 1962 # Generate rust-project.json (a file that des << 1963 # Rust projects) for rust-analyzer (an implem << 1964 # Protocol). << 1965 PHONY += rust-analyzer << 1966 rust-analyzer: << 1967 +$(Q)$(CONFIG_SHELL) $(srctree)/scrip << 1968 $(Q)$(MAKE) $(build)=rust $@ << 1969 << 1970 # Script to generate missing namespace depend << 1971 # ------------------------------------------- << 1972 << 1973 PHONY += nsdeps << 1974 nsdeps: export KBUILD_NSDEPS=1 << 1975 nsdeps: modules << 1976 $(Q)$(CONFIG_SHELL) $(srctree)/script << 1977 << 1978 # Clang Tooling << 1979 # ------------------------------------------- << 1980 << 1981 quiet_cmd_gen_compile_commands = GEN $@ << 1982 cmd_gen_compile_commands = $(PYTHON3) $ << 1983 << 1984 $(extmod_prefix)compile_commands.json: $(srct << 1985 $(if $(KBUILD_EXTMOD),, vmlinux.a $(K << 1986 $(if $(CONFIG_MODULES), $(MODORDER)) << 1987 $(call if_changed,gen_compile_command << 1988 << 1989 targets += $(extmod_prefix)compile_commands.j << 1990 << 1991 PHONY += clang-tidy clang-analyzer << 1992 << 1993 ifdef CONFIG_CC_IS_CLANG << 1994 quiet_cmd_clang_tools = CHECK $< << 1995 cmd_clang_tools = $(PYTHON3) $(srctree) << 1996 << 1997 clang-tidy clang-analyzer: $(extmod_prefix)co << 1998 $(call cmd,clang_tools) << 1999 else << 2000 clang-tidy clang-analyzer: << 2001 @echo "$@ requires CC=clang" >&2 << 2002 @false << 2003 endif << 2004 << 2005 # Scripts to check various things for consist << 2006 # ------------------------------------------- << 2007 << 2008 PHONY += includecheck versioncheck coccicheck << 2009 << 2010 includecheck: << 2011 find $(srctree)/* $(RCS_FIND_IGNORE) << 2012 -name '*.[hcS]' -type f -prin << 2013 | xargs $(PERL) -w $(srctree) << 2014 << 2015 versioncheck: << 2016 find $(srctree)/* $(RCS_FIND_IGNORE) << 2017 -name '*.[hcS]' -type f -prin << 2018 | xargs $(PERL) -w $(srctree) << 2019 << 2020 coccicheck: << 2021 $(Q)$(BASH) $(srctree)/scripts/$@ << 2022 << 2023 export_report: << 2024 $(PERL) $(srctree)/scripts/export_rep << 2025 << 2026 PHONY += checkstack kernelrelease kernelversi << 2027 << 2028 # UML needs a little special treatment here. << 2029 # toolchain, so needs $(SUBARCH) passed to ch << 2030 # else wants $(ARCH), including people doing << 2031 # that $(SUBARCH) doesn't work here. << 2032 ifeq ($(ARCH), um) << 2033 CHECKSTACK_ARCH := $(SUBARCH) << 2034 else << 2035 CHECKSTACK_ARCH := $(ARCH) << 2036 endif << 2037 MINSTACKSIZE ?= 100 << 2038 checkstack: << 2039 $(OBJDUMP) -d vmlinux $$(find . -name << 2040 $(PERL) $(srctree)/scripts/checkstack << 2041 << 2042 kernelrelease: << 2043 @$(filechk_kernel.release) << 2044 << 2045 kernelversion: << 2046 @echo $(KERNELVERSION) << 2047 << 2048 image_name: << 2049 @echo $(KBUILD_IMAGE) << 2050 << 2051 PHONY += run-command << 2052 run-command: << 2053 $(Q)$(KBUILD_RUN_COMMAND) << 2054 << 2055 quiet_cmd_rmfiles = $(if $(wildcard $(rm-file << 2056 cmd_rmfiles = rm -rf $(rm-files) << 2057 << 2058 # read saved command lines for existing targe << 2059 existing-targets := $(wildcard $(sort $(targe << 2060 << 2061 -include $(foreach f,$(existing-targets),$(di << 2062 << 2063 endif # config-build << 2064 endif # mixed-build << 2065 endif # need-sub-make << 2066 << 2067 PHONY += FORCE << 2068 FORCE: << 2069 << 2070 # Declare the contents of the PHONY variable << 2071 # information in a variable so we can use it << 2072 .PHONY: $(PHONY) <<
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