#	$NetBSD: sets.subr,v 1.23 2004/01/11 23:42:27 lukem Exp $
#

#
# The following variables contain 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
#	lkm			if != "no", enable LKM sets
#	shlib			shared library format (a.out, elf, or "")
#	stlib			static library format (a.out, elf)
#	x11_version		version of XFree86. one of:
#				   ""	cross built from src/x11
#				   3	XFree86 3.x from xsrc/xc
#				   4	XFree86 4.x from xsrc/xfree/xc
#
# The following <bsd.own.mk> variables are exported to the environment:
#	MACHINE	
#	MACHINE_ARCH
#	MACHINE_CPU
#	HAVE_GCC3
#	TOOLCHAIN_MISSING
#	OBJECT_FMT
# as well as:
#
MKVARS="\
	MKBFD		\
	MKCATPAGES	\
	MKCRYPTO	\
	MKCRYPTO_IDEA	\
	MKCRYPTO_MDC2	\
	MKCRYPTO_RC5	\
	MKCVS		\
	MKDOC		\
	MKHESIOD	\
	MKINFO		\
	MKKERBEROS	\
	MKKERBEROS4	\
	MKLINT		\
	MKMAN		\
	MKMANZ		\
	MKNLS		\
	MKPOSTFIX	\
	MKPROFILE	\
	MKSENDMAIL	\
	MKSKEY		\
	MKYP		\
"

oIFS=$IFS
IFS="
"
for x in $(
${MAKE:-make} -B -f- all <<EOMAKE
.include <bsd.own.mk>
all:
.for i in MACHINE MACHINE_ARCH MACHINE_CPU \
		HAVE_GCC3 OBJECT_FMT TOOLCHAIN_MISSING \
		${MKVARS}
	@echo "export \$i=\${\$i}"
.endfor
.if (\${MKX11:Uno} != "no")
	@echo x11_version=""
.elif (\${USE_XF86_4:Uno} != "no")
	@echo x11_version=4
.else
	@echo x11_version=3
.endif

EOMAKE
); do
#	echo 1>&2 "DEBUG: read $x"
	eval $x
done
IFS=$oIFS

setsdir=$(dirname $0)
nlists="base comp etc games man misc text"
case $x11_version in
3)	xlists="xbase3 xcomp3 xcontrib3 xfont3 xmisc3 xserver3" ;;
4)	xlists="xbase4 xcomp4 xcontrib4 xfont4 xmisc4 xserver4" ;;
"")	xlists="xbase xcomp xcontrib xfont xmisc xserver" ;;
*)	xlists="" ;;	# unknown!
esac
obsolete=0
lkm=yes
if [ "${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 1.23 2004/01/11 23:42:27 lukem 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)
#	obsolete		file is obsolete, and only printed if 
#				${obsolete} != 0
#
#	bfd			${MKBFD} != no
#	catpages		${MKCATPAGES} != no
#	crypto			${MKCRYPTO} != no
#	crypto_idea		${MKCRYPTO_IDEA} != no
#	crypto_mdc2		${MKCRYPTO_MDC2} != no
#	crypto_rc5		${MKCRYPTO_RC5} != no
#	cvs			${MKCVS} != no
#	doc			${MKDOC} != no
#	hesiod			${MKHESIOD} != no
#	info			${MKINFO} != no
#	kerberos		${MKKERBEROS} != no
#	kerberos4		${MKKERBEROS4} != no
#	lint			${MKLINT} != no
#	man			${MKMAN} != no
#	manz			${MKMANZ} != no
#	nls			${MKNLS} != no
#	postfix			${MKPOSTFIX} != no
#	profile			${MKPROFILE} != no
#	sendmail		${MKSENDMAIL} != no
#	skey			${MKSKEY} != no
#	yp			${MKYP} != no
#
#	.cat			if ${MKMANZ} != "no" && ${MKCATPAGES} != "no"
#				  automatically append ".gz" to the filename
#
#	.man			if ${MKMANZ} != "no" && ${MKMAN} != "no"
#				  automatically append ".gz" to the filename
#
list_set_files()
{
	for setname; do
		list_set_lists $setname
	done | xargs cat | \
	awk -v obsolete=${obsolete} '
		BEGIN {
			if (! obsolete) {
				split("'"${MKVARS}"'", needvars)
				for (vi in needvars) {
					nv = needvars[vi]
					kw = tolower(substr(nv, 3))
					if (ENVIRON[nv] != "no")
						wanted[kw] = 1 
				}
				if ("catpages" in wanted)
					wanted[".cat"] = 1
				if ("man" in wanted)
					wanted[".man"] = 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 (("manz" in wanted) &&
				    (kw == ".cat" || kw == ".man"))
					$1 = $1 ".gz"
				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 <<EOMAKE
.include <bsd.own.mk>
all:
	@echo \${MACHINE_CPU}
EOMAKE
}