There is a desire that subtrees can enable W=1 by default. To make this possible, put the extra compiler flags into an exported variable, so other Makefiles can make use of them. Signed-off-by: Andrew Lunn <andrew@xxxxxxx> --- scripts/Makefile.extrawarn | 33 ++++++++++++++++++--------------- 1 file changed, 18 insertions(+), 15 deletions(-) diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn index 95e4cdb94fe9..bf0de3502849 100644 --- a/scripts/Makefile.extrawarn +++ b/scripts/Makefile.extrawarn @@ -20,23 +20,26 @@ export KBUILD_EXTRA_WARN # # W=1 - warnings which may be relevant and do not occur too often # -ifneq ($(findstring 1, $(KBUILD_EXTRA_WARN)),) - -KBUILD_CFLAGS += -Wextra -Wunused -Wno-unused-parameter -KBUILD_CFLAGS += -Wmissing-declarations -KBUILD_CFLAGS += -Wmissing-format-attribute -KBUILD_CFLAGS += -Wmissing-prototypes -KBUILD_CFLAGS += -Wold-style-definition -KBUILD_CFLAGS += -Wmissing-include-dirs -KBUILD_CFLAGS += $(call cc-option, -Wunused-but-set-variable) -KBUILD_CFLAGS += $(call cc-option, -Wunused-const-variable) -KBUILD_CFLAGS += $(call cc-option, -Wpacked-not-aligned) -KBUILD_CFLAGS += $(call cc-option, -Wstringop-truncation) +KBUILD_CFLAGS_WARN1 += -Wextra -Wunused -Wno-unused-parameter +KBUILD_CFLAGS_WARN1 += -Wmissing-declarations +KBUILD_CFLAGS_WARN1 += -Wmissing-format-attribute +KBUILD_CFLAGS_WARN1 += -Wmissing-prototypes +KBUILD_CFLAGS_WARN1 += -Wold-style-definition +KBUILD_CFLAGS_WARN1 += -Wmissing-include-dirs +KBUILD_CFLAGS_WARN1 += $(call cc-option, -Wunused-but-set-variable) +KBUILD_CFLAGS_WARN1 += $(call cc-option, -Wunused-const-variable) +KBUILD_CFLAGS_WARN1 += $(call cc-option, -Wpacked-not-aligned) +KBUILD_CFLAGS_WARN1 += $(call cc-option, -Wstringop-truncation) # The following turn off the warnings enabled by -Wextra -KBUILD_CFLAGS += -Wno-missing-field-initializers -KBUILD_CFLAGS += -Wno-sign-compare -KBUILD_CFLAGS += -Wno-type-limits +KBUILD_CFLAGS_WARN1 += -Wno-missing-field-initializers +KBUILD_CFLAGS_WARN1 += -Wno-sign-compare +KBUILD_CFLAGS_WARN1 += -Wno-type-limits + +export KBUILD_CFLAGS_WARN1 + +ifneq ($(findstring 1, $(KBUILD_EXTRA_WARN)),) +KBUILD_CFLAGS += $(KBUILD_CFLAGS_WARN1) KBUILD_CPPFLAGS += -DKBUILD_EXTRA_WARN1 else -- 2.28.0
