#! /bin/sh

# generate src/compat/* Makefile's based on SUBDIR values in
# the main source tree

srcdir=/usr/src
rwsrcdir=/home/current/src
MAKE=${MAKE-make}

CHECK_SUBDIRS="gnu/lib gnu/lib/libgcc4 lib lib/csu lib/i18n_module external/bsd/atf/lib external/bsd/openldap/lib lib/libpam/modules"
# lib/csu is spsecial
# lib/libm needs to be special -- i387
# gnu/lib/libsupc++ -- fails to get NOPROFILE properly

for _dir in ${CHECK_SUBDIRS}; do
	if [ ${_dir} = "lib/csu" ]; then
		_subdirs="i386_elf sparc_elf"
	else
		_subdirs=`cd ${srcdir}/${_dir}; ${MAKE} -V SUBDIR`
	fi

	echo "looking in: $_dir: subdirs $_subdirs"
	for _sd in $_subdirs; do
		# skip lib/csu --
		if [ "$_dir" = "lib" -a "$_sd" = "csu" ]; then
			continue
		fi
		# skip .WAIT --
		if [ "$_sd" = ".WAIT" ]; then
			continue
		fi
		_libdplibs="`cd ${srcdir}/${_dir}/${_sd}; ${MAKE} -V LIBDPLIBS`"
		echo "creating stuff for subdir: $_sd"
		echo " - libdplibs = ${_libdplibs}"
		mkdir -p ${rwsrcdir}/compat/${_dir}/${_sd}
		(
		 cat <<'EOF'
#	$NetBSD: build-makefiles,v 1.5 2009/01/19 07:16:38 jmmv Exp $

NOLINT= # defined
NOMAN=	# defined
NONLS=	# defined
NOINFO=	# defined
NOSHARE=	# defined
EOF
		 # XXX various hacks
		 case "${_sd}" in
		 libsupc++4)
			echo "NOPROFILE=	# defined"
			;;
		 libc)
			echo "# XXX"
			echo "nsparser.h: nsparser.c"
			;;
		 libpcap)
			echo "# XXX"
			echo "grammar.h: grammar.c"
			;;
		 libipsec)
			echo "# XXX"
			echo "policy_parse.h: policy_parse.c"
			;;
		 esac

		 if [ -n "${_libdplibs}" ]; then
			echo "LIBDPLIBS=	${_libdplibs}"
		 fi
		 cat <<'EOF'

NOCHECKVER=	# defined

.include <bsd.obj.mk>

# Resolve pathnames in variables.
_RESOLVE_VARS=  CFLAGS CPPFLAGS DPADD LDADD LIBDPLIBS LIB_ROOT_DIR
.for var in ${_RESOLVE_VARS}
${var}:=        ${${var}}
.endfor

_CURDIR:= ${.CURDIR}

EOF
		 printf ".PATH: \${NETBSDSRCDIR}/${_dir}/${_sd}\n"
		 printf ".CURDIR:=\${NETBSDSRCDIR}/${_dir}/${_sd}\n\n"
		 cat <<'EOF'
.include "${NETBSDSRCDIR}/compat/Makefile.compat"
.include "${.CURDIR}/Makefile"

# Resolve pathnames from "real" Makefile, and switch .CURDIR back.
_RESOLVE_VARS=  CFLAGS CPPFLAGS DPADD LDADD ARCHDIR COMPATDIR COMPATARCHDIR LIBCDIR RPC_INCS RPC_XDIR LIBEDITDIR MODOBJDIR RUMPTOP
.for var in ${_RESOLVE_VARS}
${var}:=        ${${var}}
.endfor

.CURDIR:=       ${_CURDIR}
.undef          _CURDIR
EOF
		) > ${rwsrcdir}/compat/${_dir}/${_sd}/Makefile
	done

	if [ "${_dir}" = "lib" -a "${_sd}" = "csu" ]; then
		(printf '#	$'NetBSD'$\n\n'
		 printf "_CURDIR:= \${.CURDIR}\n\n"
		 printf ".CURDIR:=\${NETBSDSRCDIR}/${_dir}\n\n"
		 printf ".include "'"'"\${.CURDIR}/Makefile"'"'"\n\n"
		 printf ".CURDIR:= \${_CURDIR}\n"
		) > ${rwsrcdir}/compat/${_dir}/Makefile

		if [ -f "${srcdir}/${_dir}/Makefile.inc" ]; then
			(printf '#	$'NetBSD'$\n\n'
			 printf "_CURDIR:= \${.CURDIR}\n\n"
			 printf ".include "'"'"\${NETBSDSRCDIR}/${_dir}/Makefile.inc"'"'"\n\n"
			 printf ".CURDIR:= \${_CURDIR}\n"
			) > ${rwsrcdir}/compat/${_dir}/Makefile.inc
		fi
	fi
done