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unexport $(COREBOOT_EXPORTS)
LIBPAYLOAD_DIR=$(CURDIR)/libpayload
XCOMPILE=$(LIBPAYLOAD_DIR)/libpayload.xcompile
# build libpayload and put .config file in $(CURDIR) instead of ../libpayload
# to avoid pollute the libpayload source directory and possible conflicts
LPOPTS=obj="$(CURDIR)/build" DESTDIR="$(CURDIR)" DOTCONFIG="$(CURDIR)/.config"
CFLAGS += -Wall -Wvla -Werror -Os -ffreestanding -nostdinc -nostdlib
all: nvramcui.elf
$(LIBPAYLOAD_DIR):
$(MAKE) -C ../libpayload $(LPOPTS) defconfig
$(MAKE) -C ../libpayload $(LPOPTS)
$(MAKE) -C ../libpayload $(LPOPTS) install
ifneq ($(strip $(wildcard libpayload)),)
include $(XCOMPILE)
LPGCC = CC="$(GCC_CC_x86_32)" "$(LIBPAYLOAD_DIR)/bin/lpgcc"
%.elf: %.c Makefile
$(LPGCC) $(CFLAGS) -o $*.elf $*.c
else
# If libpayload is not found, first build libpayload,
# then do the make, this time it'll find libpayload
# and generate the nvramcui.elf target
%.elf: $(LIBPAYLOAD_DIR)
$(MAKE) all
endif
clean:
rm -rf build libpayload nvramcui.elf
distclean: clean
rm -rf .config .config.old
.PHONY: all clean distclean
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