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9a12efc5e0
- clean-up leftovers in Kconfig files - remove stale oldnoconfig and silentoldconfig targets - remove unneeded cc-fullversion and cc-name variables - improve merge_config script to allow overriding option prefix -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJb3VOnAAoJED2LAQed4NsGivsP/1AJVqIrfPFP0ESn0o9RCA8a 8tBVsdc/c9lE7XX48NSVYt0hmRIfh003t0B5R9jM2MAKaa2rsz6gGwyZZ68oV/aI jr56STToJ3WLbNQ8zIc3hkZdM+45FbDNEnwZLNpKaHZtufGZtHYXIAhWYAOU8xWJ qon8H5aeTbA1n02WDUYg4C/PO3KzMngv7E3RcuokZUzUOqwwCdSrDmfVY3pGR07G hX0UU8DxV0iZFwuy0B0mVWP0CUsLlaAVvU8Rj9aQrbmWTTt5TW03ZQW/3NCME1EJ 0mJw70nDO5n5nVKEc2O9OBD1kMhchagTIJT9dtPzt4CWDB54ptvPta/2Y5w6n8Qu oqMaM99hxjD0ogSWV3uG2YnmAiQoN600EvAmbzzf7U4WbybmrUJJCpbOvmBa7aCl 10Mz45xTQYOMLnfMJB8czOuW5YxnCcTe+3K+bk4nPsWB3rGQbQmdZqkhG3sp/MuB dANaj2QqkcF5HZpKMDIqrx9GyGNOkD/E48eRyfyjUtIx0O9WH5wMNuvJbomUmH2S m1oEsFOxw0KM+06pH933fNxziUxUHcded2fC3Caz17yLuTuPnRBoh2dME8w3Csub X6MHaG4Q+1hOfHrvk8zo/06gYgOZacl4MeF0Gq0VzZHu9FZELZ29ff/MsLT98ynN 3MvlO1dI3Ht4uJes6kFO =pZIk -----END PGP SIGNATURE----- Merge tag 'kbuild-v4.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild updates from Masahiro Yamada: - clean-up leftovers in Kconfig files - remove stale oldnoconfig and silentoldconfig targets - remove unneeded cc-fullversion and cc-name variables - improve merge_config script to allow overriding option prefix * tag 'kbuild-v4.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: kbuild: remove cc-name variable kbuild: replace cc-name test with CONFIG_CC_IS_CLANG merge_config.sh: Allow to define config prefix kbuild: remove unused cc-fullversion variable kconfig: remove silentoldconfig target kconfig: remove oldnoconfig target powerpc: PCI_MSI needs PCI powerpc: remove CONFIG_MCA leftovers powerpc: remove CONFIG_PCI_QSPAN scsi: aha152x: rename the PCMCIA define
77 lines
2.7 KiB
Makefile
77 lines
2.7 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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# ==========================================================================
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#
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# make W=... settings
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#
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# W=1 - warnings that may be relevant and does not occur too often
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# W=2 - warnings that occur quite often but may still be relevant
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# W=3 - the more obscure warnings, can most likely be ignored
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#
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# $(call cc-option, -W...) handles gcc -W.. options which
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# are not supported by all versions of the compiler
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# ==========================================================================
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KBUILD_CFLAGS += $(call cc-disable-warning, packed-not-aligned)
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ifeq ("$(origin W)", "command line")
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export KBUILD_ENABLE_EXTRA_GCC_CHECKS := $(W)
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endif
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ifdef KBUILD_ENABLE_EXTRA_GCC_CHECKS
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warning- := $(empty)
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warning-1 := -Wextra -Wunused -Wno-unused-parameter
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warning-1 += -Wmissing-declarations
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warning-1 += -Wmissing-format-attribute
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warning-1 += $(call cc-option, -Wmissing-prototypes)
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warning-1 += -Wold-style-definition
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warning-1 += $(call cc-option, -Wmissing-include-dirs)
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warning-1 += $(call cc-option, -Wunused-but-set-variable)
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warning-1 += $(call cc-option, -Wunused-const-variable)
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warning-1 += $(call cc-option, -Wpacked-not-aligned)
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warning-1 += $(call cc-option, -Wstringop-truncation)
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warning-1 += $(call cc-disable-warning, missing-field-initializers)
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warning-1 += $(call cc-disable-warning, sign-compare)
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warning-2 := -Waggregate-return
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warning-2 += -Wcast-align
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warning-2 += -Wdisabled-optimization
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warning-2 += -Wnested-externs
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warning-2 += -Wshadow
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warning-2 += $(call cc-option, -Wlogical-op)
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warning-2 += $(call cc-option, -Wmissing-field-initializers)
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warning-2 += $(call cc-option, -Wsign-compare)
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warning-2 += $(call cc-option, -Wmaybe-uninitialized)
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warning-2 += $(call cc-option, -Wunused-macros)
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warning-3 := -Wbad-function-cast
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warning-3 += -Wcast-qual
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warning-3 += -Wconversion
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warning-3 += -Wpacked
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warning-3 += -Wpadded
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warning-3 += -Wpointer-arith
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warning-3 += -Wredundant-decls
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warning-3 += -Wswitch-default
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warning-3 += $(call cc-option, -Wpacked-bitfield-compat)
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warning := $(warning-$(findstring 1, $(KBUILD_ENABLE_EXTRA_GCC_CHECKS)))
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warning += $(warning-$(findstring 2, $(KBUILD_ENABLE_EXTRA_GCC_CHECKS)))
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warning += $(warning-$(findstring 3, $(KBUILD_ENABLE_EXTRA_GCC_CHECKS)))
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ifeq ("$(strip $(warning))","")
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$(error W=$(KBUILD_ENABLE_EXTRA_GCC_CHECKS) is unknown)
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endif
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KBUILD_CFLAGS += $(warning)
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else
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ifdef CONFIG_CC_IS_CLANG
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KBUILD_CFLAGS += $(call cc-disable-warning, initializer-overrides)
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KBUILD_CFLAGS += $(call cc-disable-warning, unused-value)
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KBUILD_CFLAGS += $(call cc-disable-warning, format)
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KBUILD_CFLAGS += $(call cc-disable-warning, sign-compare)
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KBUILD_CFLAGS += $(call cc-disable-warning, format-zero-length)
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KBUILD_CFLAGS += $(call cc-disable-warning, uninitialized)
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endif
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endif
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