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# /bin/sh
#
# $NetBSD: shlib-type,v 1.3 2006/07/21 13:40:27 jlam Exp $
#
# This code is derived from software contributed to The NetBSD Foundation
# by Alistair Crooks.
#
# This script returns the the library format for the platform.  If
# the library format is "ELF/a.out", then we inspect "pkg_info" (which
# should exist on a pkgsrc system) to determine the correct object
# format (either ELF or a.out).
#

: ${ECHO=echo}
: ${FILE_CMD=file}
: ${TEST=test}
: ${PKG_INFO_CMD=/usr/sbin/pkg_info}

self="${0##*/}"

usage() {
	${ECHO} 1>&2 "usage: $self libformat"
}

${TEST} $# -gt 0 || { usage; exit 1; }

sotype=none
case "$1" in
ELF/a.out)
	case "${PKG_INFO_CMD}" in
	/*)	;;
	*)	PKG_INFO_CMD="/usr/sbin/pkg_info"
	esac
	if ${TEST} -f ${PKG_INFO_CMD}; then
		case `${FILE_CMD} ${PKG_INFO_CMD}` in
		*ELF*dynamically*)	sotype="ELF" ;;
		*shared*library*)	sotype="a.out" ;;
		*dynamically*)		sotype="a.out" ;;
		esac
	else
		# "pkg_info" is missing so just guess "ELF.
		sotype="ELF"
	fi
	;;
*)
	sotype="$1"
	;;
esac
${ECHO} $sotype

exit 0