sets.subr revision 1.51 
1#	$NetBSD: sets.subr,v 1.51 2006/06/24 05:11:40 mrg Exp $
2#
3
4#
5# The following variables contain defaults for sets.subr functions and callers:
6#	setsdir			path to src/distrib/sets
7#	nlists			list of base sets
8#	xlists			list of x11 sets
9#	obsolete		controls if obsolete files are selected instead
10#	lkm			if != "no", enable LKM sets
11#	shlib			shared library format (a.out, elf, or "")
12#	stlib			static library format (a.out, elf)
13#	x11_version		version of XFree86. one of:
14#				   ""	cross built from src/x11
15#				   3	XFree86 3.x from xsrc/xc
16#				   4	XFree86 4.x from xsrc/xfree/xc
17#
18# The following <bsd.own.mk> variables are exported to the environment:
19#	MACHINE	
20#	MACHINE_ARCH
21#	MACHINE_CPU
22#	HAVE_GCC
23#	TOOLCHAIN_MISSING
24#	OBJECT_FMT
25# as well as:
26#
27MKVARS="\
28	MKBFD		\
29	MKCATPAGES	\
30	MKCRYPTO	\
31	MKCRYPTO_IDEA	\
32	MKCRYPTO_MDC2	\
33	MKCRYPTO_RC5	\
34	MKCVS		\
35	MKGCCCMDS	\
36	MKDOC		\
37	MKGDB		\
38	MKHESIOD	\
39	MKINFO		\
40	MKIPFILTER	\
41	MKINET6		\
42	MKISCSI		\
43	MKKERBEROS	\
44	MKLINT		\
45	MKMAN		\
46	MKMANPAGES	\
47	MKMANZ		\
48	MKNLS		\
49	MKPAM		\
50	MKPF		\
51	MKPIC		\
52	MKPOSTFIX	\
53	MKPROFILE	\
54	MKSENDMAIL	\
55	MKSHARE		\
56	MKSKEY		\
57	MKUUCP		\
58	MKX11		\
59	MKYP		\
60	USE_INET6	\
61	USE_KERBEROS	\
62	USE_YP		\
63"
64#
65# The following variables refer to tools that are used when building sets:
66#
67: ${AWK:=awk}
68: ${CKSUM:=cksum}
69: ${COMM:=comm}
70: ${DATE:=date}
71: ${DB:=db}
72: ${EGREP:=egrep}
73: ${ENV_CMD:=env}       # ${ENV} is special to sh(1), ksh(1), etc.
74: ${FGREP:=fgrep}
75: ${FIND:=find}
76: ${GREP:=grep}
77: ${GZIP_CMD:=gzip}     # ${GZIP} is special to gzip(1)
78: ${HOSTNAME:=hostname}
79: ${HOST_SH:=sh}
80: ${IDENT:=ident}
81: ${JOIN:=join}
82: ${LS:=ls}
83: ${MAKE:=make}
84: ${MKTEMP:=mktemp}
85: ${MTREE:=mtree}
86: ${PASTE:=paste}
87: ${PAX:=pax}
88: ${PKG_CREATE:=pkg_create}
89: ${PRINTF:=printf}
90: ${SED:=sed}
91: ${SORT:=sort}
92: ${STAT:=stat}
93: ${TSORT:=tsort}
94: ${UNAME:=uname}
95: ${WC:=wc}
96
97#
98# If printf is a shell builtin command, then we can
99# implement cheaper versions of basename and dirname
100# that do not involve any fork/exec overhead.
101# If printf is not builtin, approximate it using echo,
102# and hope there are no weird file names that cause
103# some versions of echo to do the wrong thing.
104# (Converting to this version of dirname speeded up the
105# syspkgdeps script by an order of magnitude, from 68
106# seconds to 6.3 seconds on one particular host.)
107#
108# Note that naive approximations for dirname
109# using ${foo%/*} do not do the right thing in cases
110# where the result should be "/" or ".".
111#
112case "$(type printf)" in
113*builtin*)
114	basename ()
115	{
116		local bn
117		bn="${1##*/}"
118		bn="${bn%$2}"
119		printf "%s\n" "$bn"
120	}
121	dirname ()
122	{
123		local dn
124		case "$1" in
125		?*/*)	dn="${1%/*}" ;;
126		/*)	dn=/ ;;
127		*)	dn=. ;;
128		esac
129		printf "%s\n" "$dn"
130	}
131	;;
132*)
133	basename ()
134	{
135		local bn
136		bn="${1##*/}"
137		bn="${bn%$2}"
138		echo "$bn"
139	}
140	dirname ()
141	{
142		local dn
143		case "$1" in
144		?*/*)	dn="${1%/*}" ;;
145		/*)	dn=/ ;;
146		*)	dn=. ;;
147		esac
148		echo "$dn"
149	}
150	;;
151esac
152
153oIFS=$IFS
154IFS="
155"
156for x in $(
157${MAKE} -B -f- all <<EOMAKE
158.include <bsd.own.mk>
159.if (\${MKMAN} == "no" || empty(MANINSTALL:Mmaninstall))
160MKMANPAGES=no
161.else
162MKMANPAGES=yes
163.endif
164all:
165.for i in MACHINE MACHINE_ARCH MACHINE_CPU \
166		HAVE_GCC OBJECT_FMT TOOLCHAIN_MISSING \
167		${MKVARS}
168	@echo "export \$i=\${\$i}"
169.endfor
170.if (\${MKX11:Uno} != "no")
171	@echo x11_version=""
172.else
173	@echo x11_version=4
174.endif
175
176EOMAKE
177); do
178#	echo 1>&2 "DEBUG: read $x"
179	eval $x
180done
181IFS=$oIFS
182
183setsdir=${0%/*}
184nlists="base comp etc games man misc text"
185case $x11_version in
1863)	xlists="xbase3 xcomp3 xcontrib3 xfont3 xmisc3 xserver3" ;;
1874)	xlists="xbase4 xcomp4 xcontrib4 xfont4 xmisc4 xserver4" ;;
188"")	xlists="xbase xcomp xetc xfont xserver" ;;
189*)	xlists="" ;;	# unknown!
190esac
191obsolete=0
192lkm=yes
193if [ "${MACHINE}" = "evbppc" ]; then
194	lkm=no				# Turn off LKMs for some ports.
195fi
196# Determine lib type. Do this first so stlib also gets set.
197if [ "${OBJECT_FMT}" = "ELF" ]; then
198	shlib=elf
199else
200	shlib=aout
201fi
202stlib=$shlib
203# Now check for MKPIC or specials and turn off shlib if need be.
204if [ "${MKPIC}" = "no" ]; then
205	shlib=no
206fi
207if [ "${MACHINE_ARCH}" = "m68000" ]; then
208	shlib=no			# Turn off shlibs for some ports.
209fi
210
211#
212# list_set_files setfile [...]
213# 
214# Produce a packing list for setfile(s).
215# In each file, a record consists of a path and a System Package name,
216# separated by whitespace. E.g.,
217#
218# 	# $NetBSD: sets.subr,v 1.51 2006/06/24 05:11:40 mrg Exp $
219# 	.			base-sys-root	[keyword[,...]]
220# 	./altroot		base-sys-root
221# 	./bin			base-sys-root
222# 	./bin/[			base-util-root
223# 	./bin/cat		base-util-root
224#		[...]
225#
226# A # in the first column marks a comment.
227#
228# If ${obsolete} != 0, only entries with an "obsolete" keyword will
229# be printed.
230#
231# The third field is an optional comma separated list of keywords to
232# control if a record is printed; every keyword listed must be enabled
233# for the record to be printed.  The following keywords are available:
234#	dummy			dummy entry (ignored)
235#	obsolete		file is obsolete, and only printed if 
236#				${obsolete} != 0
237#
238#	bfd			${MKBFD} != no
239#	catpages		${MKCATPAGES} != no
240#	crypto			${MKCRYPTO} != no
241#	crypto_idea		${MKCRYPTO_IDEA} != no
242#	crypto_mdc2		${MKCRYPTO_MDC2} != no
243#	crypto_rc5		${MKCRYPTO_RC5} != no
244#	cvs			${MKCVS} != no
245#	doc			${MKDOC} != no
246#	gcccmds			${MKGCCCMDS} != no
247#	gdb			${MKGDB} != no
248#	hesiod			${MKHESIOD} != no
249#	info			${MKINFO} != no
250#	ipfilter		${MKIPFILTER} != no
251#	inet6			${MKINET6} != no
252#	iscsi			${MKISCSI} != no
253#	kerberos		${MKKERBEROS} != no
254#	lint			${MKLINT} != no
255#	man			${MKMAN} != no
256#	manz			${MKMANZ} != no
257#	nls			${MKNLS} != no
258#	pam			${MKPAM} != no
259#	pf			${MKPF} != no
260#	postfix			${MKPOSTFIX} != no
261#	profile			${MKPROFILE} != no
262#	sendmail		${MKSENDMAIL} != no
263#	share			${MKSHARE} != no
264#	skey			${MKSKEY} != no
265#	uucp			${MKUUCP} != no
266#	yp			${MKYP} != no
267#
268#	use_inet6		${USE_INET6} != no
269#	use_kerberos		${USE_KERBEROS} != no
270#	use_yp			${USE_YP} != no
271#
272#	.cat			if ${MKMANZ} != "no" && ${MKCATPAGES} != "no"
273#				  automatically append ".gz" to the filename
274#
275#	.man			if ${MKMANZ} != "no" && ${MKMAN} != "no"
276#				  automatically append ".gz" to the filename
277#
278list_set_files()
279{
280	for setname; do
281		list_set_lists $setname
282	done | xargs cat | \
283	${AWK} -v obsolete=${obsolete} '
284		BEGIN {
285			if (! obsolete) {
286				split("'"${MKVARS}"'", needvars)
287				for (vi in needvars) {
288					nv = needvars[vi]
289					kw = tolower(nv)
290					sub(/^mk/, "", kw)
291					if (ENVIRON[nv] != "no")
292						wanted[kw] = 1 
293				}
294				if (("man" in wanted) && ("catpages" in wanted))
295					wanted[".cat"] = 1
296				if (("man" in wanted) && ("manpages" in wanted))
297					wanted[".man"] = 1
298			}
299		}
300
301		/^#/ {
302			next;
303		}
304
305		NF > 2 && $3 != "-" {
306			split($3, keywords, ",")
307			show = 1
308			for (ki in keywords) {
309				kw = keywords[ki]
310				if (kw == "obsolete") {
311					if (obsolete)
312						print
313					next
314				}
315				if (("manz" in wanted) &&
316				    (kw == ".cat" || kw == ".man"))
317					$1 = $1 ".gz"
318				if (! (kw in wanted))
319					show = 0
320			}
321			if (show)
322				print
323			next
324		}
325
326		{
327			if (! obsolete)
328				print
329		}'
330
331}
332
333#
334# list_set_lists setname
335# 
336# Print to stdout a list of files, one filename per line, which
337# concatenate to create the packing list for setname. E.g.,
338#
339# 	.../lists/base/mi
340# 	.../lists/base/rescue.mi
341# 	.../lists/base/md.i386
342#		[...]
343#
344# For a given setname $set, the following files may be selected from
345# .../list/$set:
346#	mi
347#	ad.${MACHINE_ARCH}
348# (or)	ad.${MACHINE_CPU}
349#	ad.${MACHINE_CPU}.shl
350#	md.${MACHINE}.${MACHINE_ARCH}
351# (or)	md.${MACHINE}
352#	stl.mi
353#	stl.stlib
354#	shl.mi
355#	shl.shlib
356#	lkm.mi			if ${lkm} != no
357#	gcc.mi
358#	gcc.shl
359#	tc.mi
360#	tc.shl
361#	rescue.shl
362#	rescue.${MACHINE}
363#	rescue.ad.${MACHINE_ARCH}
364# (or)	rescue.ad.${MACHINE_CPU}
365# 	rescue.ad.${MACHINE_CPU}.shl
366#
367# Environment:
368# 	shlib
369# 	stlib
370#
371list_set_lists()
372{
373	setname=$1
374
375	setdir=$setsdir/lists/$setname
376	echo $setdir/mi
377	if [ "${MACHINE}" != "${MACHINE_ARCH}" ]; then
378		# Prefer an ad.${MACHINE_ARCH} over an ad.${MACHINE_CPU},
379		# since the arch-specific one will be more specific than
380		# the cpu-specific one.
381		if [ -f $setdir/ad.${MACHINE_ARCH} ]; then
382			echo $setdir/ad.${MACHINE_ARCH}
383		elif [ -f $setdir/ad.${MACHINE_CPU} ]; then
384			echo $setdir/ad.${MACHINE_CPU}
385		fi
386		if [ "$shlib" != "no" -a \
387		     -f $setdir/ad.${MACHINE_CPU}.shl ]; then
388			echo $setdir/ad.${MACHINE_CPU}.shl
389		fi
390	fi
391	if [ -f $setdir/md.${MACHINE}.${MACHINE_ARCH} ]; then
392		echo $setdir/md.${MACHINE}.${MACHINE_ARCH}
393	elif [ -f $setdir/md.${MACHINE} ]; then
394		echo $setdir/md.${MACHINE}
395	fi
396	if [ -f $setdir/stl.mi ]; then
397		echo $setdir/stl.mi
398	fi
399	if [ -f $setdir/stl.${stlib} ]; then
400		echo $setdir/stl.${stlib}
401	fi
402	if [ "$shlib" != "no" ]; then
403		if [ -f $setdir/shl.mi ]; then
404			echo $setdir/shl.mi
405		fi
406		if [ -f $setdir/shl.${shlib} ]; then
407			echo $setdir/shl.${shlib}
408		fi
409	fi
410	if [ "$lkm" != "no" ]; then
411		if [ -f $setdir/lkm.mi ]; then
412			echo $setdir/lkm.mi
413		fi
414	fi
415	if [ "${TOOLCHAIN_MISSING}" != "yes" ]; then
416		if [ "${HAVE_GCC}" = "3" ]; then
417			if [ -f $setdir/gcc.mi ]; then
418				echo $setdir/gcc.mi
419			fi
420			if [ "$shlib" != "no" ]; then
421				if [ -f $setdir/gcc.shl ]; then
422					echo $setdir/gcc.shl
423				fi
424			fi
425		elif [ "${HAVE_GCC}" = "4" ]; then
426			if [ -f $setdir/gcc4.mi ]; then
427				echo $setdir/gcc4.mi
428			fi
429			if [ -f $setdir/gcc4.ad.${MACHINE_ARCH} ]; then
430				echo $setdir/gcc4.ad.${MACHINE_ARCH}
431			fi
432			if [ "$shlib" != "no" ]; then
433				if [ -f $setdir/gcc4.shl ]; then
434					echo $setdir/gcc4.shl
435				fi
436			fi
437		else
438			if [ -f $setdir/tc.mi ]; then
439				echo $setdir/tc.mi
440			fi
441			if [ "$shlib" != "no" ]; then
442				if [ -f $setdir/tc.shl ]; then
443					echo $setdir/tc.shl
444				fi
445			fi
446		fi
447	fi
448
449	if [ -f $setdir/rescue.mi ]; then
450		echo $setdir/rescue.mi
451	fi
452	if [ -f $setdir/rescue.${MACHINE} ]; then
453		echo $setdir/rescue.${MACHINE}
454	fi
455	if [ "${MACHINE}" != "${MACHINE_ARCH}" ]; then
456		# Prefer a rescue.ad.${MACHINE_ARCH} over a
457		# rescue.ad.${MACHINE_CPU}, since the arch-
458		# specific one will be more specific than the
459		# cpu-specific one.
460		if [ -f $setdir/rescue.ad.${MACHINE_ARCH} ]; then
461			echo $setdir/rescue.ad.${MACHINE_ARCH}
462		elif [ -f $setdir/rescue.ad.${MACHINE_CPU} ]; then
463			echo $setdir/rescue.ad.${MACHINE_CPU}
464		fi
465		if [ "$shlib" != "no" -a \
466		     -f $setdir/rescue.ad.${MACHINE_CPU}.shl ]; then
467			echo $setdir/rescue.ad.${MACHINE_CPU}.shl
468		fi
469	fi
470}
471
472# arch_to_cpu mach
473#
474# Print the ${MACHINE_CPU} for ${MACHINE_ARCH}=mach,
475# as determined by <bsd.own.mk>.
476#
477arch_to_cpu()
478{
479	MACHINE_ARCH=${1} ${MAKE} -f- all <<EOMAKE
480.include <bsd.own.mk>
481all:
482	@echo \${MACHINE_CPU}
483EOMAKE
484}
485
486# arch_to_endian mach
487#
488# Print the ${TARGET_ENDIANNESS} for ${MACHINE_ARCH}=mach,
489# as determined by <bsd.endian.mk>.
490#
491arch_to_endian()
492{
493	MACHINE_ARCH=${1} ${MAKE} -f- all <<EOMAKE
494.include <bsd.endian.mk>
495all:
496	@echo \${TARGET_ENDIANNESS}
497EOMAKE
498}
499