From 92ef432f027cffe0ff91ff2cbe9258d89ca53968 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Thu, 23 Nov 2023 18:05:40 +0900 Subject: kbuild: support W=c and W=e shorthands for Kconfig KCONFIG_WARN_UNKNOWN_SYMBOLS=1 and KCONFIG_WERROR=1 are descriptive and suitable in scripting, but typing them from the command line can be tedious. Associate them with KBUILD_EXTRA_WARN (and the W= shorthand). Support a new letter 'c' to enable extra checks in Kconfig. You can still manage compiler warnings (W=1) and Kconfig warnings (W=c) independently. Reuse the letter 'e' to turn Kconfig warnings into errors. As usual, you can combine multiple letters in KCONFIG_EXTRA_WARN. $ KCONFIG_WARN_UNKNOWN_SYMBOLS=1 KCONFIG_WERROR=1 make defconfig can be shortened to: $ KBUILD_EXTRA_WARN=ce make defconfig or, even shorter: $ make W=ce defconfig Signed-off-by: Masahiro Yamada Reviewed-by: Nathan Chancellor --- scripts/Makefile.extrawarn | 9 --------- 1 file changed, 9 deletions(-) (limited to 'scripts/Makefile.extrawarn') diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn index 2fe6f2828d37..3f94915fab37 100644 --- a/scripts/Makefile.extrawarn +++ b/scripts/Makefile.extrawarn @@ -80,15 +80,6 @@ KBUILD_CFLAGS += $(call cc-option,-Werror=designated-init) # Warn if there is an enum types mismatch KBUILD_CFLAGS += $(call cc-option,-Wenum-conversion) -# backward compatibility -KBUILD_EXTRA_WARN ?= $(KBUILD_ENABLE_EXTRA_GCC_CHECKS) - -ifeq ("$(origin W)", "command line") - KBUILD_EXTRA_WARN := $(W) -endif - -export KBUILD_EXTRA_WARN - # # W=1 - warnings which may be relevant and do not occur too often # -- cgit v1.2.3 From 113a61863ecbfb3c29f3eb18fd9813bccf1743c1 Mon Sep 17 00:00:00 2001 From: "Gustavo A. R. Silva" Date: Tue, 31 Oct 2023 17:50:11 -0600 Subject: Makefile: Enable -Wstringop-overflow globally It seems that we have finished addressing all the remaining issues regarding -Wstringop-overflow. So, we are now in good shape to enable this compiler option globally. Signed-off-by: Gustavo A. R. Silva --- scripts/Makefile.extrawarn | 2 -- 1 file changed, 2 deletions(-) (limited to 'scripts/Makefile.extrawarn') diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn index 9b7a37ae28a8..a9e552a1e910 100644 --- a/scripts/Makefile.extrawarn +++ b/scripts/Makefile.extrawarn @@ -97,7 +97,6 @@ KBUILD_CFLAGS += $(call cc-option, -Wunused-const-variable) KBUILD_CFLAGS += $(call cc-option, -Wpacked-not-aligned) KBUILD_CFLAGS += $(call cc-option, -Wformat-overflow) KBUILD_CFLAGS += $(call cc-option, -Wformat-truncation) -KBUILD_CFLAGS += $(call cc-option, -Wstringop-overflow) KBUILD_CFLAGS += $(call cc-option, -Wstringop-truncation) KBUILD_CPPFLAGS += -Wundef @@ -113,7 +112,6 @@ KBUILD_CFLAGS += $(call cc-disable-warning, restrict) KBUILD_CFLAGS += $(call cc-disable-warning, packed-not-aligned) KBUILD_CFLAGS += $(call cc-disable-warning, format-overflow) KBUILD_CFLAGS += $(call cc-disable-warning, format-truncation) -KBUILD_CFLAGS += $(call cc-disable-warning, stringop-overflow) KBUILD_CFLAGS += $(call cc-disable-warning, stringop-truncation) ifdef CONFIG_CC_IS_CLANG -- cgit v1.2.3