77 lines
2.4 KiB
Makefile
77 lines
2.4 KiB
Makefile
cur_makefile := $(lastword $(MAKEFILE_LIST))
|
|
|
|
$(cur_makefile): ;
|
|
|
|
# ==========================================================================
|
|
#
|
|
# 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 += -Wmissing-include-dirs
|
|
warning-1 += -Wunused-but-set-variable
|
|
warning-1 += -Wno-missing-field-initializers
|
|
c_warning-1 := -Wmissing-prototypes -Wold-style-definition
|
|
|
|
warning-2 := -Waggregate-return
|
|
warning-2 += -Wcast-align
|
|
warning-2 += -Wdisabled-optimization
|
|
warning-2 += -Wshadow
|
|
warning-2 += -Wlogical-op
|
|
warning-2 += -Wmissing-field-initializers
|
|
c_warning-2 := -Wnested-externs
|
|
|
|
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 += -Wpacked-bitfield-compat
|
|
warning-3 += -Wvla
|
|
c_warning-3 := -Wbad-function-cast
|
|
|
|
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)))
|
|
|
|
c_warning := $(warning-$(findstring 1, $(KBUILD_ENABLE_EXTRA_GCC_CHECKS)))
|
|
c_warning += $(warning-$(findstring 2, $(KBUILD_ENABLE_EXTRA_GCC_CHECKS)))
|
|
c_warning += $(warning-$(findstring 3, $(KBUILD_ENABLE_EXTRA_GCC_CHECKS)))
|
|
|
|
ifeq ("$(strip $(warning) $(c_warning))","")
|
|
$(error W=$(KBUILD_ENABLE_EXTRA_GCC_CHECKS) is unknown)
|
|
endif
|
|
|
|
KBUILD_CFLAGS += $(warning)
|
|
C_ONLY_FLAGS += $(c_warning)
|
|
else
|
|
|
|
ifeq ($(COMPILER),clang)
|
|
KBUILD_CFLAGS += -Wno-initializer-overrides
|
|
KBUILD_CFLAGS += -Wno-unused-value
|
|
KBUILD_CFLAGS += -Wno-format
|
|
KBUILD_CFLAGS += -Wno-unknown-warning-option
|
|
KBUILD_CFLAGS += -Wno-sign-compare)
|
|
KBUILD_CFLAGS += -Wno-format-zero-length
|
|
KBUILD_CFLAGS += -Wno-uninitialized
|
|
endif
|
|
endif
|