diff options
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 71 |
1 files changed, 34 insertions, 37 deletions
@@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 6 -PATCHLEVEL = 8 -SUBLEVEL = 12 +PATCHLEVEL = 9 +SUBLEVEL = 7 EXTRAVERSION = NAME = Hurr durr I'ma ninja sloth @@ -39,8 +39,8 @@ __all: # prepare rule. this-makefile := $(lastword $(MAKEFILE_LIST)) -export abs_srctree := $(realpath $(dir $(this-makefile))) -export abs_objtree := $(CURDIR) +abs_srctree := $(realpath $(dir $(this-makefile))) +abs_objtree := $(CURDIR) ifneq ($(sub_make_done),1) @@ -295,51 +295,51 @@ single-build := ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),) ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),) - need-config := + need-config := endif endif ifneq ($(filter $(no-sync-config-targets), $(MAKECMDGOALS)),) ifeq ($(filter-out $(no-sync-config-targets), $(MAKECMDGOALS)),) - may-sync-config := + may-sync-config := endif endif need-compiler := $(may-sync-config) ifneq ($(KBUILD_EXTMOD),) - may-sync-config := + may-sync-config := endif ifeq ($(KBUILD_EXTMOD),) - ifneq ($(filter %config,$(MAKECMDGOALS)),) - config-build := 1 - ifneq ($(words $(MAKECMDGOALS)),1) - mixed-build := 1 - endif + ifneq ($(filter %config,$(MAKECMDGOALS)),) + config-build := 1 + ifneq ($(words $(MAKECMDGOALS)),1) + mixed-build := 1 endif + endif endif # We cannot build single targets and the others at the same time ifneq ($(filter $(single-targets), $(MAKECMDGOALS)),) - single-build := 1 + single-build := 1 ifneq ($(filter-out $(single-targets), $(MAKECMDGOALS)),) - mixed-build := 1 + mixed-build := 1 endif endif # For "make -j clean all", "make -j mrproper defconfig all", etc. ifneq ($(filter $(clean-targets),$(MAKECMDGOALS)),) - ifneq ($(filter-out $(clean-targets),$(MAKECMDGOALS)),) - mixed-build := 1 - endif + ifneq ($(filter-out $(clean-targets),$(MAKECMDGOALS)),) + mixed-build := 1 + endif endif # install and modules_install need also be processed one by one ifneq ($(filter install,$(MAKECMDGOALS)),) - ifneq ($(filter modules_install,$(MAKECMDGOALS)),) - mixed-build := 1 - endif + ifneq ($(filter modules_install,$(MAKECMDGOALS)),) + mixed-build := 1 + endif endif ifdef mixed-build @@ -561,7 +561,6 @@ KBUILD_CFLAGS += -fno-strict-aliasing KBUILD_CPPFLAGS := -D__KERNEL__ KBUILD_RUSTFLAGS := $(rust_common_flags) \ - --target=$(objtree)/scripts/target.json \ -Cpanic=abort -Cembed-bitcode=n -Clto=n \ -Cforce-unwind-tables=n -Ccodegen-units=1 \ -Csymbol-mangling-version=v0 \ @@ -943,7 +942,6 @@ endif ifdef CONFIG_LTO_CLANG ifdef CONFIG_LTO_CLANG_THIN CC_FLAGS_LTO := -flto=thin -fsplit-lto-unit -KBUILD_LDFLAGS += --thinlto-cache-dir=$(extmod_prefix).thinlto-cache else CC_FLAGS_LTO := -flto endif @@ -951,14 +949,6 @@ CC_FLAGS_LTO += -fvisibility=hidden # Limit inlining across translation units to reduce binary size KBUILD_LDFLAGS += -mllvm -import-instr-limit=5 - -# Check for frame size exceeding threshold during prolog/epilog insertion -# when using lld < 13.0.0. -ifneq ($(CONFIG_FRAME_WARN),0) -ifeq ($(call test-lt, $(CONFIG_LLD_VERSION), 130000),y) -KBUILD_LDFLAGS += -plugin-opt=-warn-stack-size=$(CONFIG_FRAME_WARN) -endif -endif endif ifdef CONFIG_LTO @@ -974,8 +964,15 @@ export CC_FLAGS_CFI endif ifneq ($(CONFIG_FUNCTION_ALIGNMENT),0) +# Set the minimal function alignment. Use the newer GCC option +# -fmin-function-alignment if it is available, or fall back to -falign-funtions. +# See also CONFIG_CC_HAS_SANE_FUNCTION_ALIGNMENT. +ifdef CONFIG_CC_HAS_MIN_FUNCTION_ALIGNMENT +KBUILD_CFLAGS += -fmin-function-alignment=$(CONFIG_FUNCTION_ALIGNMENT) +else KBUILD_CFLAGS += -falign-functions=$(CONFIG_FUNCTION_ALIGNMENT) endif +endif # arch Makefile may override CC so keep this after arch Makefile is included NOSTDINC_FLAGS += -nostdinc @@ -1201,7 +1198,7 @@ prepare0: archprepare # All the preparing.. prepare: prepare0 ifdef CONFIG_RUST - $(Q)$(CONFIG_SHELL) $(srctree)/scripts/rust_is_available.sh + +$(Q)$(CONFIG_SHELL) $(srctree)/scripts/rust_is_available.sh $(Q)$(MAKE) $(build)=rust endif @@ -1393,7 +1390,7 @@ ifneq ($(dtstree),) PHONY += dtbs dtbs_prepare dtbs_install dtbs_check dtbs: dtbs_prepare - $(Q)$(MAKE) $(build)=$(dtstree) + $(Q)$(MAKE) $(build)=$(dtstree) need-dtbslist=1 # include/config/kernel.release is actually needed when installing DTBs because # INSTALL_DTBS_PATH contains $(KERNELRELEASE). However, we do not want to make @@ -1411,7 +1408,7 @@ endif dtbs_check: dtbs dtbs_install: - $(Q)$(MAKE) $(dtbinst)=$(dtstree) dst=$(INSTALL_DTBS_PATH) + $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.dtbinst obj=$(dtstree) ifdef CONFIG_OF_EARLY_FLATTREE all: dtbs @@ -1479,7 +1476,7 @@ endif # CONFIG_MODULES # 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' @@ -1711,7 +1708,7 @@ $(DOC_TARGETS): # "Is Rust available?" target PHONY += rustavailable rustavailable: - $(Q)$(CONFIG_SHELL) $(srctree)/scripts/rust_is_available.sh && echo "Rust is available!" + +$(Q)$(CONFIG_SHELL) $(srctree)/scripts/rust_is_available.sh && echo "Rust is available!" # Documentation target # @@ -1785,7 +1782,7 @@ 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 + $(KBUILD_EXTMOD)/compile_commands.json PHONY += prepare # now expand this into a simple variable to reduce the cost of shell evaluations @@ -1932,7 +1929,7 @@ clean: $(clean-dirs) -o -name '*.ko.*' \ -o -name '*.dtb' -o -name '*.dtbo' \ -o -name '*.dtb.S' -o -name '*.dtbo.S' \ - -o -name '*.dt.yaml' \ + -o -name '*.dt.yaml' -o -name 'dtbs-list' \ -o -name '*.dwo' -o -name '*.lst' \ -o -name '*.su' -o -name '*.mod' \ -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ |