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# ==========================================================================
# Build system
# ==========================================================================

BB_VER = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)

CPPFLAGS += \
	-Iinclude -Ilibbb \
	$(if $(KBUILD_SRC),-Iinclude2 -I$(srctree)/include) -I$(srctree)/libbb \
	-include include/autoconf.h \
	-D_GNU_SOURCE -DNDEBUG \
	$(if $(CONFIG_LFS),-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64) \
	-D"BB_VER=KBUILD_STR($(BB_VER))" -DBB_BT=AUTOCONF_TIMESTAMP \
	-Wall -Wstrict-prototypes -Wshadow -Werror \
	-funsigned-char -fno-builtin-strlen -finline-limit=0 -static-libgcc \
	-Os -mpreferred-stack-boundary=2 \
	-falign-functions=1 -falign-jumps=1 -falign-loops=1 \
	-fomit-frame-pointer -ffunction-sections -fdata-sections \
	-funsigned-char -fno-builtin-strlen \