#	$NetBSD: sets.subr,v 1.10 2003/12/29 20:54:58 jmc Exp $
#

#
# Set environment variables containing defaults for sets.subr
# functions and callers:
#	setsdir			path to src/distrib/sets
#	nlists			list of base sets
#	xlists			list of x11 sets
#	obsolete		controls if obsolete files are selected instead
#	have_gcc3		<bsd.own.mk> ${HAVE_GCC3}
#	lkm			if != "no", enable LKM sets
#	machine			<bsd.own.mk> ${MACHINE}
#	machine_arch		<bsd.own.mk> ${MACHINE_ARCH}
#	machine_cpu		<bsd.own.mk> ${MACHINE_CPU}
#	mkkerberos		<bsd.own.mk> ${MKKERBEROS}
#	mkkerberos4		<bsd.own.mk> ${MKKERBEROS4}
#	mklint			<bsd.own.mk> ${MKLINT}
#	object_fmt		<bsd.own.mk> ${OBJECT_FMT}
#	shlib			shared library format (a.out, elf, or "")
#	stlib			static library format (a.out, elf)
#	toolchain_missing	<bsd.own.mk> ${TOOLCHAIN_MISSING}
#	use_tools_toolchain	<bsd.own.mk> ${USE_TOOLS_TOOLCHAIN}
#	x11_version		version of XF86 (3 or 4)

oIFS=$IFS
IFS="
"
for x in $(
${MAKE:-make} -B -f- all <<EOF
.include <bsd.own.mk>
all:
	@echo have_gcc3=\${HAVE_GCC3}
	@echo machine=\${MACHINE}
	@echo machine_arch=\${MACHINE_ARCH}
	@echo machine_cpu=\${MACHINE_CPU}
	@echo mkkerberos4=\${MKKERBEROS4}
	@echo mkkerberos=\${MKKERBEROS}
	@echo mklint=\${MKLINT}
	@echo object_fmt=\${OBJECT_FMT}
	@echo toolchain_missing=\${TOOLCHAIN_MISSING}
	@echo use_tools_toolchain=\${USE_TOOLS_TOOLCHAIN}
.if defined(USE_XF86_4) && (\${USE_XF86_4} != no)
	@echo x11_version=4
.else
	@echo x11_version=3
.endif

EOF
); do
	eval $x
done
IFS=$oIFS

setsdir=$(dirname $0)
nlists="base comp etc games man misc text"
case $x11_version in
3) xlists="xbase3 xcomp3 xcontrib3 xfont3 xmisc3 xserver3" ;;
4) xlists="xbase4 xcomp4 xcontrib4 xfont4 xmisc4 xserver4" ;;
*) xlists="xbase xcomp xcontrib xfont xmisc xserver" ;;
esac
obsolete=0
lkm=yes
if [ "$machine" = "evbppc" ]; then
	lkm=no				# Turn off LKMs for some ports.
fi
# Determine lib type.
if [ "$object_fmt" = "ELF" ]; then
	shlib=elf
else
	shlib=aout
fi
stlib=$shlib
if [ "$machine_cpu" = "sh3" -o "$machine_arch" = "m68000" ]; then
	shlib=no			# Turn off shlibs for some ports.
fi


#
# list_set_files setfile [...]
# 
# Produce a packing list for setfile(s).
# In each file, a record consists of a path and a System Package name,
# separated by whitespace. E.g.,
#
# 	# $NetBSD: sets.subr,v 1.10 2003/12/29 20:54:58 jmc Exp $
# 	.			base-sys-root	[keyword[,...]]
# 	./altroot		base-sys-root
# 	./bin			base-sys-root
# 	./bin/[			base-util-root
# 	./bin/cat		base-util-root
#		[...]
#
# A # in the first column marks a comment.
#
# If ${obsolete} != 0, only entries with an "obsolete" keyword will
# be printed.
#
# The third field is an optional comma separated list of keywords to
# control if a record is printed; every keyword listed must be enabled
# for the record to be printed.  The following keywords are available:
#	dummy			dummy entry (ignored)
#	kerberos4		<bsd.own.mk> ${MKKERBEROS4} != no
#	kerberos		<bsd.own.mk> ${MKKERBEROS} != no
#	lint			<bsd.own.mk> ${MKLINT} != no
#	obsolete		file is obsolete, and only printed if 
#				${obsolete} != 0
#
list_set_files()
{
	for setname; do
		list_set_lists $setname
	done | xargs cat | \
	env \
	    MKKERBEROS4=${mkkerberos4} \
	    MKKERBEROS=${mkkerberos} \
	    MKLINT=${mklint} \
	    awk -v obsolete=${obsolete} '
		BEGIN {
			if (! obsolete) {
				split("kerberos4 kerberos lint",
				    needvars)
				for (vi in needvars) {
					nv = needvars[vi]
					if (ENVIRON["MK" toupper(nv)] != "no")
						wanted[nv] = 1 
				}
			}
		}

		/^#/ {
			next;
		}

		NF > 2 && $3 != "-" {
			split($3, keywords, ",")
			show = 1
			for (ki in keywords) {
				kw = keywords[ki]
				if (kw == "obsolete") {
					if (obsolete)
						print
					next
				}
				if (! (kw in wanted))
					show = 0
			}
			if (show)
				print
			next
		}

		{
			if (! obsolete)
				print
		}'

}

#
# list_set_lists setname
# 
# Print to stdout a list of files, one filename per line, which
# concatenate to create the packing list for setname. E.g.,
#
# 	.../lists/base/mi
# 	.../lists/base/rescue.mi
# 	.../lists/base/md.i386
#		[...]
#
# For a given setname $set, the following files may be selected from
# .../list/$set:
#	mi
#	ad.${machine_arch}
# (or)	ad.${machine_cpu}
#	ad.${machine_cpu}.shl
#	md.${machine}.${machine_arch}
# (or)	md.${machine}
#	stl.mi
#	stl.stlib
#	shl.mi
#	shl.shlib
#	lkm.mi			if ${lkm} != no
#	gcc.mi
#	gcc.shl
#	tc.mi
#	tc.shl
#	rescue.shl
#	rescue.${machine}
#	rescue.ad.${machine_arch}
# (or)	rescue.ad.${machine_cpu}
# 	rescue.ad.${machine_cpu}.shl
#
# Environment:
# 	shlib
# 	stlib
#
list_set_lists()
{
	setname=$1

	setdir=$setsdir/lists/$setname
	echo $setdir/mi
	if [ "$machine" != "$machine_arch" ]; then
		# Prefer an ad.${machine_arch} over an ad.${machine_cpu},
		# since the arch-specific one will be more specific than
		# the cpu-specific one.
		if [ -f $setdir/ad.${machine_arch} ]; then
			echo $setdir/ad.${machine_arch}
		elif [ -f $setdir/ad.${machine_cpu} ]; then
			echo $setdir/ad.${machine_cpu}
		fi
		if [ "$shlib" != "no" -a \
		     -f $setdir/ad.${machine_cpu}.shl ]; then
			echo $setdir/ad.${machine_cpu}.shl
		fi
	fi
	if [ -f $setdir/md.${machine}.${machine_arch} ]; then
		echo $setdir/md.${machine}.${machine_arch}
	elif [ -f $setdir/md.${machine} ]; then
		echo $setdir/md.${machine}
	fi
	if [ -f $setdir/stl.mi ]; then
		echo $setdir/stl.mi
	fi
	if [ -f $setdir/stl.${stlib} ]; then
		echo $setdir/stl.${stlib}
	fi
	if [ "$shlib" != "no" ]; then
		if [ -f $setdir/shl.mi ]; then
			echo $setdir/shl.mi
		fi
		if [ -f $setdir/shl.${shlib} ]; then
			echo $setdir/shl.${shlib}
		fi
	fi
	if [ "$lkm" != "no" ]; then
		if [ -f $setdir/lkm.mi ]; then
			echo $setdir/lkm.mi
		fi
	fi
	if [ "$toolchain_missing" != "yes" ]; then
		if [ "$have_gcc3" = "yes" ]; then
			if [ -f $setdir/gcc.mi ]; then
				echo $setdir/gcc.mi
			fi
			if [ "$shlib" != "no" ]; then
				if [ -f $setdir/gcc.shl ]; then
					echo $setdir/gcc.shl
				fi
			fi
		else
			if [ -f $setdir/tc.mi ]; then
				echo $setdir/tc.mi
			fi
			if [ "$shlib" != "no" ]; then
				if [ -f $setdir/tc.shl ]; then
					echo $setdir/tc.shl
				fi
			fi
		fi
	fi

	if [ -f $setdir/rescue.mi ]; then
		echo $setdir/rescue.mi
	fi
	if [ -f $setdir/rescue.${machine} ]; then
		echo $setdir/rescue.${machine}
	fi
	if [ "$machine" != "$machine_arch" ]; then
		# Prefer a rescue.ad.${machine_arch} over a
		# rescue.ad.${machine_cpu}, since the arch-
		# specific one will be more specific than the
		# cpu-specific one.
		if [ -f $setdir/rescue.ad.${machine_arch} ]; then
			echo $setdir/rescue.ad.${machine_arch}
		elif [ -f $setdir/rescue.ad.${machine_cpu} ]; then
			echo $setdir/rescue.ad.${machine_cpu}
		fi
		if [ "$shlib" != "no" -a \
		     -f $setdir/rescue.ad.${machine_cpu}.shl ]; then
			echo $setdir/rescue.ad.${machine_cpu}.shl
		fi
	fi
}

# arch_to_cpu mach
#
# Print the $MACHINE_CPU for $MACHINE_ARCH=mach,
# as determined by <bsd.own.mk>.
#
arch_to_cpu()
{
	MACHINE_ARCH=${1} ${MAKE:-make} -f- all <<EOF
.include <bsd.own.mk>
all:
	@echo \${MACHINE_CPU}
EOF
}