sets.subr revision 1.47 
1#	$NetBSD: sets.subr,v 1.47 2006/03/20 04:03:21 christos 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_GCC3
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	MKKERBEROS	\
43	MKLINT		\
44	MKMAN		\
45	MKMANPAGES	\
46	MKMANZ		\
47	MKNLS		\
48	MKPAM		\
49	MKPF		\
50	MKPIC		\
51	MKPOSTFIX	\
52	MKPROFILE	\
53	MKSENDMAIL	\
54	MKSHARE		\
55	MKSKEY		\
56	MKUUCP		\
57	MKX11		\
58	MKYP		\
59	USE_INET6	\
60	USE_KERBEROS	\
61	USE_YP		\
62"
63#
64# The following variables refer to tools that are used when building sets:
65#
66: ${AWK:=awk}
67: ${CKSUM:=cksum}
68: ${COMM:=comm}
69: ${DATE:=date}
70: ${DB:=db}
71: ${EGREP:=egrep}
72: ${ENV_CMD:=env}       # ${ENV} is special to sh(1), ksh(1), etc.
73: ${FGREP:=fgrep}
74: ${FIND:=find}
75: ${GREP:=grep}
76: ${GZIP_CMD:=gzip}     # ${GZIP} is special to gzip(1)
77: ${HOSTNAME:=hostname}
78: ${HOST_SH:=sh}
79: ${IDENT:=ident}
80: ${JOIN:=join}
81: ${LS:=ls}
82: ${MAKE:=make}
83: ${MKTEMP:=mktemp}
84: ${MTREE:=mtree}
85: ${PASTE:=paste}
86: ${PAX:=pax}
87: ${PKG_CREATE:=pkg_create}
88: ${PRINTF:=printf}
89: ${SED:=sed}
90: ${SORT:=sort}
91: ${STAT:=stat}
92: ${TSORT:=tsort}
93: ${UNAME:=uname}
94: ${WC:=wc}
95
96#
97# If printf is a shell builtin command, then we can
98# implement cheaper versions of basename and dirname
99# that do not involve any fork/exec overhead.
100# If printf is not builtin, approximate it using echo,
101# and hope there are no weird file names that cause
102# some versions of echo to do the wrong thing.
103# (Converting to this version of dirname speeded up the
104# syspkgdeps script by an order of magnitude, from 68
105# seconds to 6.3 seconds on one particular host.)
106#
107# Note that naive approximations for dirname
108# using ${foo%/*} do not do the right thing in cases
109# where the result should be "/" or ".".
110#
111case "$(type printf)" in
112*builtin*)
113	basename ()
114	{
115		local bn
116		bn="${1##*/}"
117		bn="${bn%$2}"
118		printf "%s\n" "$bn"
119	}
120	dirname ()
121	{
122		local dn
123		case "$1" in
124		?*/*)	dn="${1%/*}" ;;
125		/*)	dn=/ ;;
126		*)	dn=. ;;
127		esac
128		printf "%s\n" "$dn"
129	}
130	;;
131*)
132	basename ()
133	{
134		local bn
135		bn="${1##*/}"
136		bn="${bn%$2}"
137		echo "$bn"
138	}
139	dirname ()
140	{
141		local dn
142		case "$1" in
143		?*/*)	dn="${1%/*}" ;;
144		/*)	dn=/ ;;
145		*)	dn=. ;;
146		esac
147		echo "$dn"
148	}
149	;;
150esac
151
152oIFS=$IFS
153IFS="
154"
155for x in $(
156${MAKE} -B -f- all <<EOMAKE
157.include <bsd.own.mk>
158.if (\${MKMAN} == "no" || empty(MANINSTALL:Mmaninstall))
159MKMANPAGES=no
160.else
161MKMANPAGES=yes
162.endif
163all:
164.for i in MACHINE MACHINE_ARCH MACHINE_CPU \
165		HAVE_GCC3 OBJECT_FMT TOOLCHAIN_MISSING \
166		${MKVARS}
167	@echo "export \$i=\${\$i}"
168.endfor
169.if (\${MKX11:Uno} != "no")
170	@echo x11_version=""
171.else
172	@echo x11_version=4
173.endif
174
175EOMAKE
176); do
177#	echo 1>&2 "DEBUG: read $x"
178	eval $x
179done
180IFS=$oIFS
181
182setsdir=${0%/*}
183nlists="base comp etc games man misc text"
184case $x11_version in
1853)	xlists="xbase3 xcomp3 xcontrib3 xfont3 xmisc3 xserver3" ;;
1864)	xlists="xbase4 xcomp4 xcontrib4 xfont4 xmisc4 xserver4" ;;
187"")	xlists="xbase xcomp xetc xfont xserver" ;;
188*)	xlists="" ;;	# unknown!
189esac
190obsolete=0
191lkm=yes
192if [ "${MACHINE}" = "evbppc" ]; then
193	lkm=no				# Turn off LKMs for some ports.
194fi
195# Determine lib type. Do this first so stlib also gets set.
196if [ "${OBJECT_FMT}" = "ELF" ]; then
197	shlib=elf
198else
199	shlib=aout
200fi
201stlib=$shlib
202# Now check for MKPIC or specials and turn off shlib if need be.
203if [ "${MKPIC}" = "no" ]; then
204	shlib=no
205fi
206if [ "${MACHINE_ARCH}" = "m68000" ]; then
207	shlib=no			# Turn off shlibs for some ports.
208fi
209
210#
211# list_set_files setfile [...]
212# 
213# Produce a packing list for setfile(s).
214# In each file, a record consists of a path and a System Package name,
215# separated by whitespace. E.g.,
216#
217# 	# $NetBSD: sets.subr,v 1.47 2006/03/20 04:03:21 christos Exp $
218# 	.			base-sys-root	[keyword[,...]]
219# 	./altroot		base-sys-root
220# 	./bin			base-sys-root
221# 	./bin/[			base-util-root
222# 	./bin/cat		base-util-root
223#		[...]
224#
225# A # in the first column marks a comment.
226#
227# If ${obsolete} != 0, only entries with an "obsolete" keyword will
228# be printed.
229#
230# The third field is an optional comma separated list of keywords to
231# control if a record is printed; every keyword listed must be enabled
232# for the record to be printed.  The following keywords are available:
233#	dummy			dummy entry (ignored)
234#	obsolete		file is obsolete, and only printed if 
235#				${obsolete} != 0
236#
237#	bfd			${MKBFD} != no
238#	catpages		${MKCATPAGES} != no
239#	crypto			${MKCRYPTO} != no
240#	crypto_idea		${MKCRYPTO_IDEA} != no
241#	crypto_mdc2		${MKCRYPTO_MDC2} != no
242#	crypto_rc5		${MKCRYPTO_RC5} != no
243#	cvs			${MKCVS} != no
244#	doc			${MKDOC} != no
245#	gcccmds			${MKGCCCMDS} != no
246#	gdb			${MKGDB} != no
247#	hesiod			${MKHESIOD} != no
248#	info			${MKINFO} != no
249#	ipfilter		${MKIPFILTER} != no
250#	inet6			${MKINET6} != no
251#	kerberos		${MKKERBEROS} != no
252#	lint			${MKLINT} != no
253#	man			${MKMAN} != no
254#	manz			${MKMANZ} != no
255#	nls			${MKNLS} != no
256#	pam			${MKPAM} != no
257#	pf			${MKPF} != no
258#	postfix			${MKPOSTFIX} != no
259#	profile			${MKPROFILE} != no
260#	sendmail		${MKSENDMAIL} != no
261#	share			${MKSHARE} != no
262#	skey			${MKSKEY} != no
263#	uucp			${MKUUCP} != no
264#	yp			${MKYP} != no
265#
266#	use_inet6		${USE_INET6} != no
267#	use_kerberos		${USE_KERBEROS} != no
268#	use_yp			${USE_YP} != no
269#
270#	.cat			if ${MKMANZ} != "no" && ${MKCATPAGES} != "no"
271#				  automatically append ".gz" to the filename
272#
273#	.man			if ${MKMANZ} != "no" && ${MKMAN} != "no"
274#				  automatically append ".gz" to the filename
275#
276list_set_files()
277{
278	for setname; do
279		list_set_lists $setname
280	done | xargs cat | \
281	${AWK} -v obsolete=${obsolete} '
282		BEGIN {
283			if (! obsolete) {
284				split("'"${MKVARS}"'", needvars)
285				for (vi in needvars) {
286					nv = needvars[vi]
287					kw = tolower(nv)
288					sub(/^mk/, "", kw)
289					if (ENVIRON[nv] != "no")
290						wanted[kw] = 1 
291				}
292				if (("man" in wanted) && ("catpages" in wanted))
293					wanted[".cat"] = 1
294				if (("man" in wanted) && ("manpages" in wanted))
295					wanted[".man"] = 1
296			}
297		}
298
299		/^#/ {
300			next;
301		}
302
303		NF > 2 && $3 != "-" {
304			split($3, keywords, ",")
305			show = 1
306			for (ki in keywords) {
307				kw = keywords[ki]
308				if (kw == "obsolete") {
309					if (obsolete)
310						print
311					next
312				}
313				if (("manz" in wanted) &&
314				    (kw == ".cat" || kw == ".man"))
315					$1 = $1 ".gz"
316				if (! (kw in wanted))
317					show = 0
318			}
319			if (show)
320				print
321			next
322		}
323
324		{
325			if (! obsolete)
326				print
327		}'
328
329}
330
331#
332# list_set_lists setname
333# 
334# Print to stdout a list of files, one filename per line, which
335# concatenate to create the packing list for setname. E.g.,
336#
337# 	.../lists/base/mi
338# 	.../lists/base/rescue.mi
339# 	.../lists/base/md.i386
340#		[...]
341#
342# For a given setname $set, the following files may be selected from
343# .../list/$set:
344#	mi
345#	ad.${MACHINE_ARCH}
346# (or)	ad.${MACHINE_CPU}
347#	ad.${MACHINE_CPU}.shl
348#	md.${MACHINE}.${MACHINE_ARCH}
349# (or)	md.${MACHINE}
350#	stl.mi
351#	stl.stlib
352#	shl.mi
353#	shl.shlib
354#	lkm.mi			if ${lkm} != no
355#	gcc.mi
356#	gcc.shl
357#	tc.mi
358#	tc.shl
359#	rescue.shl
360#	rescue.${MACHINE}
361#	rescue.ad.${MACHINE_ARCH}
362# (or)	rescue.ad.${MACHINE_CPU}
363# 	rescue.ad.${MACHINE_CPU}.shl
364#
365# Environment:
366# 	shlib
367# 	stlib
368#
369list_set_lists()
370{
371	setname=$1
372
373	setdir=$setsdir/lists/$setname
374	echo $setdir/mi
375	if [ "${MACHINE}" != "${MACHINE_ARCH}" ]; then
376		# Prefer an ad.${MACHINE_ARCH} over an ad.${MACHINE_CPU},
377		# since the arch-specific one will be more specific than
378		# the cpu-specific one.
379		if [ -f $setdir/ad.${MACHINE_ARCH} ]; then
380			echo $setdir/ad.${MACHINE_ARCH}
381		elif [ -f $setdir/ad.${MACHINE_CPU} ]; then
382			echo $setdir/ad.${MACHINE_CPU}
383		fi
384		if [ "$shlib" != "no" -a \
385		     -f $setdir/ad.${MACHINE_CPU}.shl ]; then
386			echo $setdir/ad.${MACHINE_CPU}.shl
387		fi
388	fi
389	if [ -f $setdir/md.${MACHINE}.${MACHINE_ARCH} ]; then
390		echo $setdir/md.${MACHINE}.${MACHINE_ARCH}
391	elif [ -f $setdir/md.${MACHINE} ]; then
392		echo $setdir/md.${MACHINE}
393	fi
394	if [ -f $setdir/stl.mi ]; then
395		echo $setdir/stl.mi
396	fi
397	if [ -f $setdir/stl.${stlib} ]; then
398		echo $setdir/stl.${stlib}
399	fi
400	if [ "$shlib" != "no" ]; then
401		if [ -f $setdir/shl.mi ]; then
402			echo $setdir/shl.mi
403		fi
404		if [ -f $setdir/shl.${shlib} ]; then
405			echo $setdir/shl.${shlib}
406		fi
407	fi
408	if [ "$lkm" != "no" ]; then
409		if [ -f $setdir/lkm.mi ]; then
410			echo $setdir/lkm.mi
411		fi
412	fi
413	if [ "${TOOLCHAIN_MISSING}" != "yes" ]; then
414		if [ "${HAVE_GCC3}" = "yes" ]; then
415			if [ -f $setdir/gcc.mi ]; then
416				echo $setdir/gcc.mi
417			fi
418			if [ "$shlib" != "no" ]; then
419				if [ -f $setdir/gcc.shl ]; then
420					echo $setdir/gcc.shl
421				fi
422			fi
423		else
424			if [ -f $setdir/tc.mi ]; then
425				echo $setdir/tc.mi
426			fi
427			if [ "$shlib" != "no" ]; then
428				if [ -f $setdir/tc.shl ]; then
429					echo $setdir/tc.shl
430				fi
431			fi
432		fi
433	fi
434
435	if [ -f $setdir/rescue.mi ]; then
436		echo $setdir/rescue.mi
437	fi
438	if [ -f $setdir/rescue.${MACHINE} ]; then
439		echo $setdir/rescue.${MACHINE}
440	fi
441	if [ "${MACHINE}" != "${MACHINE_ARCH}" ]; then
442		# Prefer a rescue.ad.${MACHINE_ARCH} over a
443		# rescue.ad.${MACHINE_CPU}, since the arch-
444		# specific one will be more specific than the
445		# cpu-specific one.
446		if [ -f $setdir/rescue.ad.${MACHINE_ARCH} ]; then
447			echo $setdir/rescue.ad.${MACHINE_ARCH}
448		elif [ -f $setdir/rescue.ad.${MACHINE_CPU} ]; then
449			echo $setdir/rescue.ad.${MACHINE_CPU}
450		fi
451		if [ "$shlib" != "no" -a \
452		     -f $setdir/rescue.ad.${MACHINE_CPU}.shl ]; then
453			echo $setdir/rescue.ad.${MACHINE_CPU}.shl
454		fi
455	fi
456}
457
458# arch_to_cpu mach
459#
460# Print the ${MACHINE_CPU} for ${MACHINE_ARCH}=mach,
461# as determined by <bsd.own.mk>.
462#
463arch_to_cpu()
464{
465	MACHINE_ARCH=${1} ${MAKE} -f- all <<EOMAKE
466.include <bsd.own.mk>
467all:
468	@echo \${MACHINE_CPU}
469EOMAKE
470}
471
472# arch_to_endian mach
473#
474# Print the ${TARGET_ENDIANNESS} for ${MACHINE_ARCH}=mach,
475# as determined by <bsd.endian.mk>.
476#
477arch_to_endian()
478{
479	MACHINE_ARCH=${1} ${MAKE} -f- all <<EOMAKE
480.include <bsd.endian.mk>
481all:
482	@echo \${TARGET_ENDIANNESS}
483EOMAKE
484}
485