mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-26 21:13:48 +00:00
00717b00a5
While our "extrawarns" logic has gotten out of sync with upstream Kbuild, for now lets start by bringing in the latest set of DTC_FLAGS from the Linux Kernel 5.0 to match their behavior in silencing warnings from dtc. Cc: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Tom Rini <trini@konsulko.com>
80 lines
2.6 KiB
Makefile
80 lines
2.6 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
|
|
# ==========================================================================
|
|
#
|
|
# make W=... settings
|
|
#
|
|
# W=1 - warnings that may be relevant and does not occur too often
|
|
# W=2 - warnings that occur quite often but may still be relevant
|
|
# W=3 - the more obscure warnings, can most likely be ignored
|
|
#
|
|
# $(call cc-option, -W...) handles gcc -W.. options which
|
|
# are not supported by all versions of the compiler
|
|
# ==========================================================================
|
|
|
|
ifeq ("$(origin W)", "command line")
|
|
export KBUILD_ENABLE_EXTRA_GCC_CHECKS := $(W)
|
|
endif
|
|
|
|
ifdef KBUILD_ENABLE_EXTRA_GCC_CHECKS
|
|
warning- := $(empty)
|
|
|
|
warning-1 := -Wextra -Wunused -Wno-unused-parameter
|
|
warning-1 += -Wmissing-declarations
|
|
warning-1 += -Wmissing-format-attribute
|
|
warning-1 += $(call cc-option, -Wmissing-prototypes)
|
|
warning-1 += -Wold-style-definition
|
|
warning-1 += $(call cc-option, -Wmissing-include-dirs)
|
|
warning-1 += $(call cc-option, -Wunused-but-set-variable)
|
|
warning-1 += $(call cc-disable-warning, missing-field-initializers)
|
|
|
|
warning-2 := -Waggregate-return
|
|
warning-2 += -Wcast-align
|
|
warning-2 += -Wdisabled-optimization
|
|
warning-2 += -Wnested-externs
|
|
warning-2 += -Wshadow
|
|
warning-2 += $(call cc-option, -Wlogical-op)
|
|
warning-2 += $(call cc-option, -Wmissing-field-initializers)
|
|
|
|
warning-3 := -Wbad-function-cast
|
|
warning-3 += -Wcast-qual
|
|
warning-3 += -Wconversion
|
|
warning-3 += -Wpacked
|
|
warning-3 += -Wpadded
|
|
warning-3 += -Wpointer-arith
|
|
warning-3 += -Wredundant-decls
|
|
warning-3 += -Wswitch-default
|
|
warning-3 += $(call cc-option, -Wpacked-bitfield-compat)
|
|
warning-3 += $(call cc-option, -Wvla)
|
|
|
|
warning := $(warning-$(findstring 1, $(KBUILD_ENABLE_EXTRA_GCC_CHECKS)))
|
|
warning += $(warning-$(findstring 2, $(KBUILD_ENABLE_EXTRA_GCC_CHECKS)))
|
|
warning += $(warning-$(findstring 3, $(KBUILD_ENABLE_EXTRA_GCC_CHECKS)))
|
|
|
|
ifeq ("$(strip $(warning))","")
|
|
$(error W=$(KBUILD_ENABLE_EXTRA_GCC_CHECKS) is unknown)
|
|
endif
|
|
|
|
KBUILD_CFLAGS += $(warning)
|
|
|
|
dtc-warning-2 += -Wnode_name_chars_strict
|
|
dtc-warning-2 += -Wproperty_name_chars_strict
|
|
|
|
dtc-warning := $(dtc-warning-$(findstring 1, $(KBUILD_ENABLE_EXTRA_GCC_CHECKS)))
|
|
dtc-warning += $(dtc-warning-$(findstring 2, $(KBUILD_ENABLE_EXTRA_GCC_CHECKS)))
|
|
dtc-warning += $(dtc-warning-$(findstring 3, $(KBUILD_ENABLE_EXTRA_GCC_CHECKS)))
|
|
|
|
DTC_FLAGS += $(dtc-warning)
|
|
|
|
else
|
|
|
|
# Disable noisy checks by default
|
|
DTC_FLAGS += -Wno-unit_address_vs_reg
|
|
DTC_FLAGS += -Wno-simple_bus_reg
|
|
DTC_FLAGS += -Wno-unit_address_format
|
|
DTC_FLAGS += -Wno-pci_bridge
|
|
DTC_FLAGS += -Wno-pci_device_bus_num
|
|
DTC_FLAGS += -Wno-pci_device_reg
|
|
DTC_FLAGS += -Wno-avoid_unnecessary_addr_size
|
|
DTC_FLAGS += -Wno-alias_paths
|
|
|
|
endif
|