bootconfig: Support O=<builddir> option

# SPDX-License-Identifier: GPL-2.0

# Makefile for bootconfig command

include ../scripts/Makefile.include

bindir ?= /usr/bin

HEADER = include/linux/bootconfig.h

CFLAGS = -Wall -g -I./include

ifeq ($(srctree),)

srctree := $(patsubst %/,%,$(dir $(CURDIR)))

srctree := $(patsubst %/,%,$(dir $(srctree)))

endif

PROGS = bootconfig

LIBSRC = $(srctree)/lib/bootconfig.c $(srctree)/include/linux/bootconfig.h

CFLAGS = -Wall -g -I$(CURDIR)/include

all: $(PROGS)

ALL_TARGETS := bootconfig

ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS))

bootconfig: ../../lib/bootconfig.c main.c $(HEADER)

all: $(ALL_PROGRAMS)

$(OUTPUT)bootconfig: main.c $(LIBSRC)

	$(CC) $(filter %.c,$^) $(CFLAGS) -o $@

install: $(PROGS)

	install bootconfig $(DESTDIR)$(bindir)

test: $(ALL_PROGRAMS) test-bootconfig.sh

	./test-bootconfig.sh $(OUTPUT)

test: bootconfig

	./test-bootconfig.sh

install: $(ALL_PROGRAMS)

	install $(OUTPUT)bootconfig $(DESTDIR)$(bindir)

clean:

	$(RM) -f *.o bootconfig

	$(RM) -f $(OUTPUT)*.o $(ALL_PROGRAMS)

echo "Boot config test script"

BOOTCONF=./bootconfig

INITRD=`mktemp initrd-XXXX`

TEMPCONF=`mktemp temp-XXXX.bconf`

if [ -d "$1" ]; then

  TESTDIR=$1

else

  TESTDIR=.

fi

BOOTCONF=${TESTDIR}/bootconfig

INITRD=`mktemp ${TESTDIR}/initrd-XXXX`

TEMPCONF=`mktemp ${TESTDIR}/temp-XXXX.bconf`

OUTFILE=`mktemp ${TESTDIR}/tempout-XXXX`

NG=0

cleanup() {

xpass test $new_size -eq $initrd_size

echo "No error messge while applying"

OUTFILE=`mktemp tempout-XXXX`

dd if=/dev/zero of=$INITRD bs=4096 count=1

printf " \0\0\0 \0\0\0" >> $INITRD

$BOOTCONF -a $TEMPCONF $INITRD > $OUTFILE 2>&1