# SPDX-License-Identifier: GPL-2.0
VERSION = 6
-PATCHLEVEL = 9
+PATCHLEVEL = 11
SUBLEVEL = 0
-EXTRAVERSION = -rc3
-NAME = Hurr durr I'ma ninja sloth
+EXTRAVERSION =
+NAME = Baby Opossum Posse
# *DOCUMENTATION*
# To see a list of typical targets execute "make help"
# Comments in this file are targeted only to the developer, do not
# expect to learn how to build the kernel reading this file.
-ifeq ($(filter undefine,$(.FEATURES)),)
-$(error GNU Make >= 3.82 is required. Your Make version is $(MAKE_VERSION))
+ifeq ($(filter output-sync,$(.FEATURES)),)
+$(error GNU Make >= 4.0 is required. Your Make version is $(MAKE_VERSION))
endif
$(if $(filter __%, $(MAKECMDGOALS)), \
# If the user is running make -s (silent mode), suppress echoing of
# commands
-# make-4.0 (and later) keep single letter options in the 1st word of MAKEFLAGS.
-
-ifeq ($(filter 3.%,$(MAKE_VERSION)),)
-short-opts := $(firstword -$(MAKEFLAGS))
-else
-short-opts := $(filter-out --%,$(MAKEFLAGS))
-endif
-
-ifneq ($(findstring s,$(short-opts)),)
+ifneq ($(findstring s,$(firstword -$(MAKEFLAGS))),)
quiet=silent_
override KBUILD_VERBOSE :=
endif
$(error source directory cannot contain spaces or colons)
endif
-ifneq ($(filter 3.%,$(MAKE_VERSION)),)
-# 'MAKEFLAGS += -rR' does not immediately become effective for GNU Make 3.x
-# We need to invoke sub-make to avoid implicit rules in the top Makefile.
-need-sub-make := 1
-# Cancel implicit rules for this Makefile.
-$(this-makefile): ;
-endif
-
export sub_make_done := 1
endif # sub_make_done
endif
objtree := .
+
+VPATH :=
+
+ifeq ($(KBUILD_EXTMOD),)
+ifdef building_out_of_srctree
VPATH := $(srctree)
+endif
+endif
export building_out_of_srctree srctree objtree VPATH
# host programs.
export rust_common_flags := --edition=2021 \
-Zbinary_dep_depinfo=y \
- -Dunsafe_op_in_unsafe_fn -Drust_2018_idioms \
- -Dunreachable_pub -Dnon_ascii_idents \
+ -Astable_features \
+ -Dunsafe_op_in_unsafe_fn \
+ -Dnon_ascii_idents \
+ -Wrust_2018_idioms \
+ -Wunreachable_pub \
-Wmissing_docs \
- -Drustdoc::missing_crate_level_docs \
- -Dclippy::correctness -Dclippy::style \
- -Dclippy::suspicious -Dclippy::complexity \
- -Dclippy::perf \
- -Dclippy::let_unit_value -Dclippy::mut_mut \
- -Dclippy::needless_bitwise_bool \
- -Dclippy::needless_continue \
- -Dclippy::no_mangle_with_rust_abi \
+ -Wrustdoc::missing_crate_level_docs \
+ -Wclippy::all \
+ -Wclippy::mut_mut \
+ -Wclippy::needless_bitwise_bool \
+ -Wclippy::needless_continue \
+ -Wclippy::no_mangle_with_rust_abi \
-Wclippy::dbg_macro
-KBUILD_HOSTCFLAGS := $(KBUILD_USERHOSTCFLAGS) $(HOST_LFS_CFLAGS) $(HOSTCFLAGS)
-KBUILD_HOSTCXXFLAGS := -Wall -O2 $(HOST_LFS_CFLAGS) $(HOSTCXXFLAGS)
+KBUILD_HOSTCFLAGS := $(KBUILD_USERHOSTCFLAGS) $(HOST_LFS_CFLAGS) \
+ $(HOSTCFLAGS) -I $(srctree)/scripts/include
+KBUILD_HOSTCXXFLAGS := -Wall -O2 $(HOST_LFS_CFLAGS) $(HOSTCXXFLAGS) \
+ -I $(srctree)/scripts/include
KBUILD_HOSTRUSTFLAGS := $(rust_common_flags) -O -Cstrip=debuginfo \
-Zallow-features= $(HOSTRUSTFLAGS)
KBUILD_HOSTLDFLAGS := $(HOST_LFS_LDFLAGS) $(HOSTLDFLAGS)
RUSTFMT = rustfmt
CLIPPY_DRIVER = clippy-driver
BINDGEN = bindgen
-CARGO = cargo
PAHOLE = pahole
RESOLVE_BTFIDS = $(objtree)/tools/bpf/resolve_btfids/resolve_btfids
LEX = flex
-Csymbol-mangling-version=v0 \
-Crelocation-model=static \
-Zfunction-sections=n \
- -Dclippy::float_arithmetic
+ -Wclippy::float_arithmetic
KBUILD_AFLAGS_KERNEL :=
KBUILD_CFLAGS_KERNEL :=
export RUSTC_BOOTSTRAP := 1
export ARCH SRCARCH CONFIG_SHELL BASH HOSTCC KBUILD_HOSTCFLAGS CROSS_COMPILE LD CC HOSTPKG_CONFIG
-export RUSTC RUSTDOC RUSTFMT RUSTC_OR_CLIPPY_QUIET RUSTC_OR_CLIPPY BINDGEN CARGO
+export RUSTC RUSTDOC RUSTFMT RUSTC_OR_CLIPPY_QUIET RUSTC_OR_CLIPPY BINDGEN
export HOSTRUSTC KBUILD_HOSTRUSTFLAGS
export CPP AR NM STRIP OBJCOPY OBJDUMP READELF PAHOLE RESOLVE_BTFIDS LEX YACC AWK INSTALLKERNEL
export PERL PYTHON3 CHECK CHECKFLAGS MAKE UTS_MACHINE HOSTCXX
ifdef CONFIG_LTO_CLANG
ifdef CONFIG_LTO_CLANG_THIN
CC_FLAGS_LTO := -flto=thin -fsplit-lto-unit
-KBUILD_LDFLAGS += --thinlto-cache-dir=$(extmod_prefix).thinlto-cache
else
CC_FLAGS_LTO := -flto
endif
export CC_FLAGS_CFI
endif
+# Architectures can define flags to add/remove for floating-point support
+CC_FLAGS_FPU += -D_LINUX_FPU_COMPILATION_UNIT
+export CC_FLAGS_FPU
+export CC_FLAGS_NO_FPU
+
ifneq ($(CONFIG_FUNCTION_ALIGNMENT),0)
# Set the minimal function alignment. Use the newer GCC option
# -fmin-function-alignment if it is available, or fall back to -falign-funtions.
$(Q)$(srctree)/scripts/remove-stale-files
# Support for using generic headers in asm-generic
-asm-generic := -f $(srctree)/scripts/Makefile.asm-generic obj
+asm-generic := -f $(srctree)/scripts/Makefile.asm-headers obj
PHONY += asm-generic uapi-asm-generic
asm-generic: uapi-asm-generic
echo \#define LINUX_VERSION_SUBLEVEL $(SUBLEVEL)
endef
-$(version_h): PATCHLEVEL := $(or $(PATCHLEVEL), 0)
-$(version_h): SUBLEVEL := $(or $(SUBLEVEL), 0)
+$(version_h): private PATCHLEVEL := $(or $(PATCHLEVEL), 0)
+$(version_h): private SUBLEVEL := $(or $(SUBLEVEL), 0)
$(version_h): FORCE
$(call filechk,version.h)
endif
endif
+# The tools build system is not a part of Kbuild and tends to introduce
+# its own unique issues. If you need to integrate a new tool into Kbuild,
+# please consider locating that tool outside the tools/ tree and using the
+# standard Kbuild "hostprogs" syntax instead of adding a new tools/* entry
+# here. See Documentation/kbuild/makefiles.rst for details.
+
PHONY += resolve_btfids_clean
resolve_btfids_O = $(abspath $(objtree))/tools/bpf/resolve_btfids
endif
ifneq ($(CHECK_DTBS),)
-dtbs_prepare: dt_binding_check
+dtbs_prepare: dt_binding_schemas
endif
dtbs_check: dtbs
$(Q)$(MAKE) $(build)=scripts/dtc
ifneq ($(filter dt_binding_check, $(MAKECMDGOALS)),)
-export CHECK_DT_BINDING=y
+export CHECK_DTBS=y
endif
-PHONY += dt_binding_check
-dt_binding_check: scripts_dtc
+PHONY += dt_binding_check dt_binding_schemas
+dt_binding_check: dt_binding_schemas scripts_dtc
+ $(Q)$(MAKE) $(build)=Documentation/devicetree/bindings $@
+
+dt_binding_schemas:
$(Q)$(MAKE) $(build)=Documentation/devicetree/bindings
PHONY += dt_compatible_check
-dt_compatible_check: dt_binding_check
+dt_compatible_check: dt_binding_schemas
$(Q)$(MAKE) $(build)=Documentation/devicetree/bindings $@
# ---------------------------------------------------------------------------
# Directories & files removed with 'make clean'
CLEAN_FILES += vmlinux.symvers modules-only.symvers \
modules.builtin modules.builtin.modinfo modules.nsdeps \
- compile_commands.json .thinlto-cache rust/test \
+ compile_commands.json rust/test \
rust-project.json .vmlinux.objs .vmlinux.export.c
# Directories & files removed with 'make mrproper'
MRPROPER_FILES += include/config include/generated \
arch/$(SRCARCH)/include/generated .objdiff \
- debian snap tar-install \
+ debian snap tar-install PKGBUILD pacman \
.config .config.old .version \
Module.symvers \
certs/signing_key.pem \
# clean - Delete most, but leave enough to build external modules
#
-clean: rm-files := $(CLEAN_FILES)
+clean: private rm-files := $(CLEAN_FILES)
PHONY += archclean vmlinuxclean
# mrproper - Delete all generated files, including .config
#
-mrproper: rm-files := $(wildcard $(MRPROPER_FILES))
+mrproper: private rm-files := $(MRPROPER_FILES)
mrproper-dirs := $(addprefix _mrproper_,scripts)
PHONY += $(mrproper-dirs) mrproper
@echo ''
@$(if $(dtstree), \
echo 'Devicetree:'; \
- echo '* dtbs - Build device tree blobs for enabled boards'; \
- echo ' dtbs_install - Install dtbs to $(INSTALL_DTBS_PATH)'; \
- echo ' dt_binding_check - Validate device tree binding documents'; \
- echo ' dtbs_check - Validate device tree source files';\
+ echo '* dtbs - Build device tree blobs for enabled boards'; \
+ echo ' dtbs_install - Install dtbs to $(INSTALL_DTBS_PATH)'; \
+ echo ' dt_binding_check - Validate device tree binding documents and examples'; \
+ echo ' dt_binding_schema - Build processed device tree binding schemas'; \
+ echo ' dtbs_check - Validate device tree source files';\
echo '')
@echo 'Userspace tools targets:'
PHONY += compile_commands.json
clean-dirs := $(KBUILD_EXTMOD)
-clean: rm-files := $(KBUILD_EXTMOD)/Module.symvers $(KBUILD_EXTMOD)/modules.nsdeps \
- $(KBUILD_EXTMOD)/compile_commands.json $(KBUILD_EXTMOD)/.thinlto-cache
+clean: private rm-files := $(KBUILD_EXTMOD)/Module.symvers $(KBUILD_EXTMOD)/modules.nsdeps \
+ $(KBUILD_EXTMOD)/compile_commands.json
PHONY += prepare
# now expand this into a simple variable to reduce the cost of shell evaluations
tags TAGS cscope gtags: FORCE
$(call cmd,tags)
-# IDE support targets
+# Generate rust-project.json (a file that describes the structure of non-Cargo
+# Rust projects) for rust-analyzer (an implementation of the Language Server
+# Protocol).
PHONY += rust-analyzer
rust-analyzer:
+ +$(Q)$(CONFIG_SHELL) $(srctree)/scripts/rust_is_available.sh
$(Q)$(MAKE) $(build)=rust $@
# Script to generate missing namespace dependencies
quiet_cmd_gen_compile_commands = GEN $@
cmd_gen_compile_commands = $(PYTHON3) $< -a $(AR) -o $@ $(filter-out $<, $(real-prereqs))
-$(extmod_prefix)compile_commands.json: scripts/clang-tools/gen_compile_commands.py \
+$(extmod_prefix)compile_commands.json: $(srctree)/scripts/clang-tools/gen_compile_commands.py \
$(if $(KBUILD_EXTMOD),, vmlinux.a $(KBUILD_VMLINUX_LIBS)) \
$(if $(CONFIG_MODULES), $(MODORDER)) FORCE
$(call if_changed,gen_compile_commands)
projects / thirdparty / kernel / stable.git / blobdiff