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kernel: support setting extra CFLAGS for kernel compilation

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They may be used e.g. to optimize kernel size or performance.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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Rafał Miłecki
2022-06-15 12:36:36 +02:00
parent a1354accc0
commit 907d7d7472
2 changed files with 5 additions and 1 deletions
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2
include/kernel.mk
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@@ -101,7 +101,7 @@ endif
KERNEL_MAKE = $(MAKE) $(KERNEL_MAKEOPTS)
KERNEL_MAKE_FLAGS = \
KCFLAGS="$(call iremap,$(BUILD_DIR),$(notdir $(BUILD_DIR))) $(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION))" \
KCFLAGS="$(call iremap,$(BUILD_DIR),$(notdir $(BUILD_DIR))) $(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION)) $(call qstrip,$(CONFIG_KERNEL_CFLAGS))" \
HOSTCFLAGS="$(HOST_CFLAGS) -Wall -Wmissing-prototypes -Wstrict-prototypes" \
CROSS_COMPILE="$(KERNEL_CROSS)" \
ARCH="$(LINUX_KARCH)" \