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#!/bin/sh

if [ -z "$ASN1PDU"	\
 -o  -z "$ASN1MODULES"	\
 -o  -z "$PROGNAME"	\
 ]; then
	echo "ASN1PDU=\"$ASN1PDU\""
	echo "ASN1MODULES=\"$ASN1MODULES\""
	echo "PROGNAME=\"$PROGNAME\""
	echo "ASN1PDU, ASN1MODULES, and PROGNAME must be set"
	exit
fi

../../asn1c/asn1c -S ../../skeletons ${ASN1CMDOPTS} ${ASN1MODULES} || exit $?

if [ ! -f Makefile.am.sample ]; then
	echo "Makefile.am.sample is missing"
	exit 1
fi

set -x
cat Makefile.am.sample						\
	| sed -e "s/^CFLAGS.*/CFLAGS += -I. -DHAVE_CONFIG_H -DPDU=${ASN1PDU}/" \
	| sed -e "s/^all: /all: ${ASN1PDU}.c /"			\
	| sed -e "s/progname/${PROGNAME}/"			\
	> Makefile.$$

(	echo
	echo "${ASN1PDU}.c: $0"
	echo "	ASN1CMDOPTS=\"${ASN1CMDOPTS}\" \\"
	echo "	ASN1MODULES=\"${ASN1MODULES}\" \\"
	echo "	ASN1PDU=${ASN1PDU} \\"
	echo "	PROGNAME=${PROGNAME} \\"
	echo "	$0"
	echo "	@touch ${ASN1PDU}.c"
	echo "	make"
	echo
	echo "distclean: clean"
	echo '	rm -f $(ASN_MODULE_SOURCES) $(ASN_MODULE_HEADERS)'
	echo '	rm -f $(ASN_CONVERTER_SOURCES) $(ASN_CONVERTER_HEADERS)'
	echo "	rm -f Makefile.am.sample"
) >> Makefile.$$

rm Makefile.am.sample || exit $?

mv Makefile.$$ Makefile

set +x
echo
echo "Makefile generation finished"