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-rw-r--r--Makefile143
1 files changed, 81 insertions, 62 deletions
diff --git a/Makefile b/Makefile
index b21531de24f9..f2dc2f953e23 100644
--- a/Makefile
+++ b/Makefile
@@ -2,8 +2,8 @@
VERSION = 5
PATCHLEVEL = 11
SUBLEVEL = 0
-EXTRAVERSION = -rc2
-NAME = Kleptomaniac Octopus
+EXTRAVERSION =
+NAME = 💕 Valentine's Day Edition 💕
# *DOCUMENTATION*
# To see a list of typical targets execute "make help"
@@ -100,6 +100,36 @@ endif
export quiet Q KBUILD_VERBOSE
+# Call a source code checker (by default, "sparse") as part of the
+# C compilation.
+#
+# Use 'make C=1' to enable checking of only re-compiled files.
+# Use 'make C=2' to enable checking of *all* source files, regardless
+# of whether they are re-compiled or not.
+#
+# See the file "Documentation/dev-tools/sparse.rst" for more details,
+# including where to get the "sparse" utility.
+
+ifeq ("$(origin C)", "command line")
+ KBUILD_CHECKSRC = $(C)
+endif
+ifndef KBUILD_CHECKSRC
+ KBUILD_CHECKSRC = 0
+endif
+
+export KBUILD_CHECKSRC
+
+# Use make M=dir or set the environment variable KBUILD_EXTMOD to specify the
+# directory of external module to build. Setting M= takes precedence.
+ifeq ("$(origin M)", "command line")
+ KBUILD_EXTMOD := $(M)
+endif
+
+$(if $(word 2, $(KBUILD_EXTMOD)), \
+ $(error building multiple external modules is not supported))
+
+export KBUILD_EXTMOD
+
# Kbuild will save output files in the current working directory.
# This does not need to match to the root of the kernel source tree.
#
@@ -145,7 +175,8 @@ else
need-sub-make := 1
endif
-abs_srctree := $(realpath $(dir $(lastword $(MAKEFILE_LIST))))
+this-makefile := $(lastword $(MAKEFILE_LIST))
+abs_srctree := $(realpath $(dir $(this-makefile)))
ifneq ($(words $(subst :, ,$(abs_srctree))), 1)
$(error source directory cannot contain spaces or colons)
@@ -160,8 +191,6 @@ MAKEFLAGS += --include-dir=$(abs_srctree)
need-sub-make := 1
endif
-this-makefile := $(lastword $(MAKEFILE_LIST))
-
ifneq ($(filter 3.%,$(MAKE_VERSION)),)
# 'MAKEFLAGS += -rR' does not immediately become effective for GNU Make 3.x
# We need to invoke sub-make to avoid implicit rules in the top Makefile.
@@ -195,36 +224,6 @@ ifeq ($(need-sub-make),)
# so that IDEs/editors are able to understand relative filenames.
MAKEFLAGS += --no-print-directory
-# Call a source code checker (by default, "sparse") as part of the
-# C compilation.
-#
-# Use 'make C=1' to enable checking of only re-compiled files.
-# Use 'make C=2' to enable checking of *all* source files, regardless
-# of whether they are re-compiled or not.
-#
-# See the file "Documentation/dev-tools/sparse.rst" for more details,
-# including where to get the "sparse" utility.
-
-ifeq ("$(origin C)", "command line")
- KBUILD_CHECKSRC = $(C)
-endif
-ifndef KBUILD_CHECKSRC
- KBUILD_CHECKSRC = 0
-endif
-
-# Use make M=dir or set the environment variable KBUILD_EXTMOD to specify the
-# directory of external module to build. Setting M= takes precedence.
-ifeq ("$(origin M)", "command line")
- KBUILD_EXTMOD := $(M)
-endif
-
-$(if $(word 2, $(KBUILD_EXTMOD)), \
- $(error building multiple external modules is not supported))
-
-export KBUILD_CHECKSRC KBUILD_EXTMOD
-
-extmod-prefix = $(if $(KBUILD_EXTMOD),$(KBUILD_EXTMOD)/)
-
ifeq ($(abs_srctree),$(abs_objtree))
# building in the source tree
srctree := .
@@ -257,7 +256,6 @@ export building_out_of_srctree srctree objtree VPATH
# of make so .config is not included in this case either (for *config).
version_h := include/generated/uapi/linux/version.h
-old_version_h := include/linux/version.h
clean-targets := %clean mrproper cleandocs
no-dot-config-targets := $(clean-targets) \
@@ -452,7 +450,6 @@ AWK = awk
INSTALLKERNEL := installkernel
DEPMOD = depmod
PERL = perl
-PYTHON = python
PYTHON3 = python3
CHECK = sparse
BASH = bash
@@ -508,7 +505,7 @@ CLANG_FLAGS :=
export ARCH SRCARCH CONFIG_SHELL BASH HOSTCC KBUILD_HOSTCFLAGS CROSS_COMPILE LD CC
export CPP AR NM STRIP OBJCOPY OBJDUMP READELF PAHOLE RESOLVE_BTFIDS LEX YACC AWK INSTALLKERNEL
-export PERL PYTHON PYTHON3 CHECK CHECKFLAGS MAKE UTS_MACHINE HOSTCXX
+export PERL PYTHON3 CHECK CHECKFLAGS MAKE UTS_MACHINE HOSTCXX
export KGZIP KBZIP2 KLZOP LZMA LZ4 XZ ZSTD
export KBUILD_HOSTCXXFLAGS KBUILD_HOSTLDFLAGS KBUILD_HOSTLDLIBS LDFLAGS_MODULE
@@ -559,7 +556,13 @@ ifdef building_out_of_srctree
{ echo "# this is build directory, ignore it"; echo "*"; } > .gitignore
endif
-ifneq ($(shell $(CC) --version 2>&1 | head -n 1 | grep clang),)
+# The expansion should be delayed until arch/$(SRCARCH)/Makefile is included.
+# Some architectures define CROSS_COMPILE in arch/$(SRCARCH)/Makefile.
+# CC_VERSION_TEXT is referenced from Kconfig (so it needs export),
+# and from include/config/auto.conf.cmd to detect the compiler upgrade.
+CC_VERSION_TEXT = $(shell $(CC) --version 2>/dev/null | head -n 1 | sed 's/\#//g')
+
+ifneq ($(findstring clang,$(CC_VERSION_TEXT)),)
ifneq ($(CROSS_COMPILE),)
CLANG_FLAGS += --target=$(notdir $(CROSS_COMPILE:%-=%))
GCC_TOOLCHAIN_DIR := $(dir $(shell which $(CROSS_COMPILE)elfedit))
@@ -578,12 +581,6 @@ KBUILD_AFLAGS += $(CLANG_FLAGS)
export CLANG_FLAGS
endif
-# The expansion should be delayed until arch/$(SRCARCH)/Makefile is included.
-# Some architectures define CROSS_COMPILE in arch/$(SRCARCH)/Makefile.
-# CC_VERSION_TEXT is referenced from Kconfig (so it needs export),
-# and from include/config/auto.conf.cmd to detect the compiler upgrade.
-CC_VERSION_TEXT = $(shell $(CC) --version 2>/dev/null | head -n 1)
-
ifdef config-build
# ===========================================================================
# *config targets only - make sure prerequisites are updated, and descend
@@ -649,7 +646,8 @@ ifeq ($(KBUILD_EXTMOD),)
core-y := init/ usr/
drivers-y := drivers/ sound/
drivers-$(CONFIG_SAMPLES) += samples/
-drivers-y += net/ virt/
+drivers-$(CONFIG_NET) += net/
+drivers-y += virt/
libs-y := lib/
endif # KBUILD_EXTMOD
@@ -812,10 +810,12 @@ KBUILD_CFLAGS += -ftrivial-auto-var-init=zero
KBUILD_CFLAGS += -enable-trivial-auto-var-init-zero-knowing-it-will-be-removed-from-clang
endif
+DEBUG_CFLAGS :=
+
# Workaround for GCC versions < 5.0
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61801
ifdef CONFIG_CC_IS_GCC
-DEBUG_CFLAGS := $(call cc-ifversion, -lt, 0500, $(call cc-option, -fno-var-tracking-assignments))
+DEBUG_CFLAGS += $(call cc-ifversion, -lt, 0500, $(call cc-option, -fno-var-tracking-assignments))
endif
ifdef CONFIG_DEBUG_INFO
@@ -830,8 +830,10 @@ ifneq ($(LLVM_IAS),1)
KBUILD_AFLAGS += -Wa,-gdwarf-2
endif
-ifdef CONFIG_DEBUG_INFO_DWARF4
-DEBUG_CFLAGS += -gdwarf-4
+ifndef CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT
+dwarf-version-$(CONFIG_DEBUG_INFO_DWARF4) := 4
+dwarf-version-$(CONFIG_DEBUG_INFO_DWARF5) := 5
+DEBUG_CFLAGS += -gdwarf-$(dwarf-version-y)
endif
ifdef CONFIG_DEBUG_INFO_REDUCED
@@ -966,12 +968,6 @@ KBUILD_CFLAGS += $(call cc-option,-Werror=designated-init)
# change __FILE__ to the relative path from the srctree
KBUILD_CPPFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=)
-# ensure -fcf-protection is disabled when using retpoline as it is
-# incompatible with -mindirect-branch=thunk-extern
-ifdef CONFIG_RETPOLINE
-KBUILD_CFLAGS += $(call cc-option,-fcf-protection=none)
-endif
-
# include additional Makefiles when needed
include-y := scripts/Makefile.extrawarn
include-$(CONFIG_KASAN) += scripts/Makefile.kasan
@@ -1076,7 +1072,7 @@ ifdef CONFIG_MODULE_COMPRESS
mod_compress_cmd = $(KGZIP) -n -f
endif # CONFIG_MODULE_COMPRESS_GZIP
ifdef CONFIG_MODULE_COMPRESS_XZ
- mod_compress_cmd = $(XZ) -f
+ mod_compress_cmd = $(XZ) --lzma2=dict=2MiB -f
endif # CONFIG_MODULE_COMPRESS_XZ
endif # CONFIG_MODULE_COMPRESS
export mod_compress_cmd
@@ -1104,6 +1100,17 @@ ifdef CONFIG_STACK_VALIDATION
endif
endif
+PHONY += resolve_btfids_clean
+
+resolve_btfids_O = $(abspath $(objtree))/tools/bpf/resolve_btfids
+
+# tools/bpf/resolve_btfids directory might not exist
+# in output directory, skip its clean in that case
+resolve_btfids_clean:
+ifneq ($(wildcard $(resolve_btfids_O)),)
+ $(Q)$(MAKE) -sC $(srctree)/tools/bpf/resolve_btfids O=$(resolve_btfids_O) clean
+endif
+
ifdef CONFIG_BPF
ifdef CONFIG_DEBUG_INFO_BTF
ifeq ($(has_libelf),1)
@@ -1116,6 +1123,7 @@ endif # CONFIG_BPF
PHONY += prepare0
+extmod-prefix = $(if $(KBUILD_EXTMOD),$(KBUILD_EXTMOD)/)
export MODORDER := $(extmod-prefix)modules.order
export MODULES_NSDEPS := $(extmod-prefix)modules.nsdeps
@@ -1273,14 +1281,22 @@ define filechk_utsrelease.h
endef
define filechk_version.h
- echo \#define LINUX_VERSION_CODE $(shell \
- expr $(VERSION) \* 65536 + 0$(PATCHLEVEL) \* 256 + 0$(SUBLEVEL)); \
- echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))'
+ if [ $(SUBLEVEL) -gt 255 ]; then \
+ echo \#define LINUX_VERSION_CODE $(shell \
+ expr $(VERSION) \* 65536 + 0$(PATCHLEVEL) \* 256 + 255); \
+ else \
+ echo \#define LINUX_VERSION_CODE $(shell \
+ expr $(VERSION) \* 65536 + 0$(PATCHLEVEL) \* 256 + $(SUBLEVEL)); \
+ fi; \
+ echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + \
+ ((c) > 255 ? 255 : (c)))'; \
+ echo \#define LINUX_VERSION_MAJOR $(VERSION); \
+ echo \#define LINUX_VERSION_PATCHLEVEL $(PATCHLEVEL); \
+ echo \#define LINUX_VERSION_SUBLEVEL $(SUBLEVEL)
endef
$(version_h): FORCE
$(call filechk,version.h)
- $(Q)rm -f $(old_version_h)
include/generated/utsrelease.h: include/config/kernel.release FORCE
$(call filechk,utsrelease.h)
@@ -1359,6 +1375,9 @@ ifneq ($(dtstree),)
%.dtb: include/config/kernel.release scripts_dtc
$(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@
+%.dtbo: include/config/kernel.release scripts_dtc
+ $(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@
+
PHONY += dtbs dtbs_install dtbs_check
dtbs: include/config/kernel.release scripts_dtc
$(Q)$(MAKE) $(build)=$(dtstree)
@@ -1517,7 +1536,7 @@ vmlinuxclean:
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/link-vmlinux.sh clean
$(Q)$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) clean)
-clean: archclean vmlinuxclean
+clean: archclean vmlinuxclean resolve_btfids_clean
# mrproper - Delete all generated files, including .config
#
@@ -1838,7 +1857,7 @@ clean: $(clean-dirs)
@find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \
\( -name '*.[aios]' -o -name '*.ko' -o -name '.*.cmd' \
-o -name '*.ko.*' \
- -o -name '*.dtb' -o -name '*.dtb.S' -o -name '*.dt.yaml' \
+ -o -name '*.dtb' -o -name '*.dtbo' -o -name '*.dtb.S' -o -name '*.dt.yaml' \
-o -name '*.dwo' -o -name '*.lst' \
-o -name '*.su' -o -name '*.mod' \
-o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
generated by cgit v1.2.3 (git 2.39.0) at 2024-10-01 23:07:11 +0300