sets.subr revision 1.71 
1#	$NetBSD: sets.subr,v 1.71 2008/10/26 07:31:00 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#
14# The following <bsd.own.mk> variables are exported to the environment:
15#	MACHINE	
16#	MACHINE_ARCH
17#	MACHINE_CPU
18#	HAVE_GCC
19#	HAVE_GDB
20#	TOOLCHAIN_MISSING
21#	OBJECT_FMT
22# as well as:
23#
24MKVARS="\
25	MKBFD		\
26	MKCATPAGES	\
27	MKCOMPAT	\
28	MKCRYPTO	\
29	MKCRYPTO_IDEA	\
30	MKCRYPTO_MDC2	\
31	MKCRYPTO_RC5	\
32	MKCVS		\
33	MKDEBUG		\
34	MKDEBUGLIB	\
35	MKDOC		\
36	MKDYNAMICROOT	\
37	MKGCC		\
38	MKGCCCMDS	\
39	MKGDB		\
40	MKHESIOD	\
41	MKHTML		\
42	MKINET6		\
43	MKINFO		\
44	MKIPFILTER	\
45	MKISCSI		\
46	MKKERBEROS	\
47	MKLDAP		\
48	MKLINT		\
49	MKMAN		\
50	MKMANPAGES	\
51	MKMANZ		\
52	MKMODULAR	\
53	MKNLS		\
54	MKNVI		\
55	MKPAM		\
56	MKPF		\
57	MKPIC		\
58	MKPOSTFIX	\
59	MKPROFILE	\
60	MKPUFFS		\
61	MKSENDMAIL	\
62	MKSHARE		\
63	MKSKEY		\
64	MKX11		\
65	MKXORG		\
66	MKYP		\
67	USE_INET6	\
68	USE_KERBEROS	\
69	USE_LDAP	\
70	USE_YP		\
71	NETBSDSRCDIR	\
72	MAKEVERBOSE	\
73"
74#
75# The following variables refer to tools that are used when building sets:
76#
77: ${AWK:=awk}
78: ${CKSUM:=cksum}
79: ${COMM:=comm}
80: ${DATE:=date}
81: ${DB:=db}
82: ${EGREP:=egrep}
83: ${ENV_CMD:=env}       # ${ENV} is special to sh(1), ksh(1), etc.
84: ${FGREP:=fgrep}
85: ${FIND:=find}
86: ${GREP:=grep}
87: ${GZIP_CMD:=gzip}     # ${GZIP} is special to gzip(1)
88: ${HOSTNAME:=hostname}
89: ${HOST_SH:=sh}
90: ${IDENT:=ident}
91: ${JOIN:=join}
92: ${LS:=ls}
93: ${MAKE:=make}
94: ${MKTEMP:=mktemp}
95: ${MTREE:=mtree}
96: ${PASTE:=paste}
97: ${PAX:=pax}
98: ${PKG_CREATE:=pkg_create}
99: ${PRINTF:=printf}
100: ${SED:=sed}
101: ${SORT:=sort}
102: ${STAT:=stat}
103: ${TSORT:=tsort}
104: ${UNAME:=uname}
105: ${WC:=wc}
106
107#
108# If printf is a shell builtin command, then we can
109# implement cheaper versions of basename and dirname
110# that do not involve any fork/exec overhead.
111# If printf is not builtin, approximate it using echo,
112# and hope there are no weird file names that cause
113# some versions of echo to do the wrong thing.
114# (Converting to this version of dirname speeded up the
115# syspkgdeps script by an order of magnitude, from 68
116# seconds to 6.3 seconds on one particular host.)
117#
118# Note that naive approximations for dirname
119# using ${foo%/*} do not do the right thing in cases
120# where the result should be "/" or ".".
121#
122case "$(type printf)" in
123*builtin*)
124	basename ()
125	{
126		local bn
127		bn="${1##*/}"
128		bn="${bn%$2}"
129		printf "%s\n" "$bn"
130	}
131	dirname ()
132	{
133		local dn
134		case "$1" in
135		?*/*)	dn="${1%/*}" ;;
136		/*)	dn=/ ;;
137		*)	dn=. ;;
138		esac
139		printf "%s\n" "$dn"
140	}
141	;;
142*)
143	basename ()
144	{
145		local bn
146		bn="${1##*/}"
147		bn="${bn%$2}"
148		echo "$bn"
149	}
150	dirname ()
151	{
152		local dn
153		case "$1" in
154		?*/*)	dn="${1%/*}" ;;
155		/*)	dn=/ ;;
156		*)	dn=. ;;
157		esac
158		echo "$dn"
159	}
160	;;
161esac
162
163oIFS=$IFS
164IFS="
165"
166for x in $(
167${MAKE} -B -f- all <<EOMAKE
168.include <bsd.own.mk>
169.if (\${MKMAN} == "no" || empty(MANINSTALL:Mmaninstall))
170MKMANPAGES=no
171.else
172MKMANPAGES=yes
173.endif
174all:
175.for i in MACHINE MACHINE_ARCH MACHINE_CPU \
176		HAVE_GCC HAVE_GDB OBJECT_FMT TOOLCHAIN_MISSING \
177		${MKVARS}
178	@echo "export \$i=\${\$i}"
179.endfor
180
181EOMAKE
182); do
183#	echo 1>&2 "DEBUG: read $x"
184	eval $x
185done
186IFS=$oIFS
187
188setsdir=${0%/*}
189nlists="base comp etc games man misc tests text"
190xlists="xbase xcomp xetc xfont xserver"
191obsolete=0
192lkm=yes
193if [ "${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
211OSRELEASE=`${HOST_SH} ${NETBSDSRCDIR}/sys/conf/osrelease.sh`
212MODULEDIR="stand/${MACHINE}/${OSRELEASE}/modules"
213SUBST="s#@MODULEDIR@#${MODULEDIR}#g"
214SUBST="${SUBST};s#@OSRELEASE@#${OSRELEASE}#g"
215SUBST="${SUBST};s#@MACHINE@#${MACHINE}#g"
216
217#
218# list_set_files setfile [...]
219# 
220# Produce a packing list for setfile(s).
221# In each file, a record consists of a path and a System Package name,
222# separated by whitespace. E.g.,
223#
224# 	# $NetBSD: sets.subr,v 1.71 2008/10/26 07:31:00 mrg Exp $
225# 	.			base-sys-root	[keyword[,...]]
226# 	./altroot		base-sys-root
227# 	./bin			base-sys-root
228# 	./bin/[			base-util-root
229# 	./bin/cat		base-util-root
230#		[...]
231#
232# A # in the first column marks a comment.
233#
234# If ${obsolete} != 0, only entries with an "obsolete" keyword will
235# be printed.  All other keywords must be present.
236#
237# The third field is an optional comma separated list of keywords to
238# control if a record is printed; every keyword listed must be enabled
239# for the record to be printed.  The following keywords are available:
240#	dummy			dummy entry (ignored)
241#	obsolete		file is obsolete, and only printed if 
242#				${obsolete} != 0
243#
244#	bfd			${MKBFD} != no
245#	catpages		${MKCATPAGES} != no
246#	compat			${MKCOMPAT} != no
247#	crypto			${MKCRYPTO} != no
248#	crypto_idea		${MKCRYPTO_IDEA} != no
249#	crypto_mdc2		${MKCRYPTO_MDC2} != no
250#	crypto_rc5		${MKCRYPTO_RC5} != no
251#	cvs			${MKCVS} != no
252#	debug			${MKDEBUG} != no
253#	debuglib		${MKDEBUGLIB} != no
254#	doc			${MKDOC} != no
255#	dynamicroot		${MKDYNAMICROOT} != no
256#	gcc			${MKGCC} != no
257#	gcccmds			${MKGCCCMDS} != no
258#	gdb			${MKGDB} != no
259#	hesiod			${MKHESIOD} != no
260#	html			${MKHTML} != no
261#	inet6			${MKINET6} != no
262#	info			${MKINFO} != no
263#	ipfilter		${MKIPFILTER} != no
264#	iscsi			${MKISCSI} != no
265#	kerberos		${MKKERBEROS} != no
266#	ldap			${MKLDAP} != no
267#	lint			${MKLINT} != no
268#	man			${MKMAN} != no
269#	manpages		${MKMANPAGES} != no
270#	manz			${MKMANZ} != no
271#	modular			${MKMODULAR} != no
272#	nls			${MKNLS} != no
273#	nvi			${MKNVI} != no
274#	pam			${MKPAM} != no
275#	pf			${MKPF} != no
276#	pic			${MKPIC} != no
277#	postfix			${MKPOSTFIX} != no
278#	profile			${MKPROFILE} != no
279#	puffs			${MKPUFFS} != no
280#	sendmail		${MKSENDMAIL} != no
281#	share			${MKSHARE} != no
282#	skey			${MKSKEY} != no
283#	x11			${MKX11} != no
284#	xorg			${MKXORG} != no
285#	yp			${MKYP} != no
286#
287#	gcc=<n>			<n> = value of ${HAVE_GCC}
288#	gdb=<n>			<n> = value of ${HAVE_GDB}
289#
290#	use_inet6		${USE_INET6} != no
291#	use_kerberos		${USE_KERBEROS} != no
292#	use_yp			${USE_YP} != no
293#
294#	.cat			if ${MKMANZ} != "no" && ${MKCATPAGES} != "no"
295#				  automatically append ".gz" to the filename
296#
297#	.man			if ${MKMANZ} != "no" && ${MKMAN} != "no"
298#				  automatically append ".gz" to the filename
299#
300list_set_files()
301{
302	if [ ${MAKEVERBOSE:-2} -lt 2 ]; then
303		verbose=false
304	else
305		verbose=true
306	fi
307	for setname; do
308		list=`list_set_lists $setname`
309		for l in $list; do
310			echo $l
311			if $verbose; then
312				echo $l >&2
313			fi
314		done
315	done | xargs cat | ${SED} ${SUBST} | \
316	${AWK} -v obsolete=${obsolete} '
317		BEGIN {
318			if (obsolete)
319				wanted["obsolete"] = 1
320		
321			split("'"${MKVARS}"'", needvars)
322			for (vi in needvars) {
323				nv = needvars[vi]
324				kw = tolower(nv)
325				sub(/^mk/, "", kw)
326				if (ENVIRON[nv] != "no")
327					wanted[kw] = 1 
328			}
329
330			if ("'"${TOOLCHAIN_MISSING}"'" != "yes") {
331				wanted["gcc=" "'"${HAVE_GCC}"'"] = 1
332				wanted["gdb=" "'"${HAVE_GDB}"'"] = 1
333			}
334			if (("man" in wanted) && ("catpages" in wanted))
335				wanted[".cat"] = 1
336			if (("man" in wanted) && ("manpages" in wanted))
337				wanted[".man"] = 1
338		}
339
340		/^#/ {
341			next;
342		}
343
344		NF > 2 && $3 != "-" {
345			split($3, keywords, ",")
346			show = 1
347			haveobs = 0
348			for (ki in keywords) {
349				kw = keywords[ki]
350				if (("manz" in wanted) &&
351				    (kw == ".cat" || kw == ".man"))
352					$1 = $1 ".gz"
353				negated = match(kw, "! *")
354				if (negated > 0) {
355					kw = substr(kw, RSTART + RLENGTH)
356					if (kw in wanted)
357						show = 0
358				} else {
359					if (! (kw in wanted))
360						show = 0
361				}
362				if (kw == "obsolete")
363					haveobs = 1
364			}
365			if (obsolete && ! haveobs)
366				next
367			if (show)
368				print
369			next
370		}
371
372		{
373			if (! obsolete)
374				print
375		}'
376
377}
378
379#
380# list_set_lists setname
381# 
382# Print to stdout a list of files, one filename per line, which
383# concatenate to create the packing list for setname. E.g.,
384#
385# 	.../lists/base/mi
386# 	.../lists/base/rescue.mi
387# 	.../lists/base/md.i386
388#		[...]
389#
390# For a given setname $set, the following files may be selected from
391# .../list/$set:
392#	mi
393#	ad.${MACHINE_ARCH}
394# (or)	ad.${MACHINE_CPU}
395#	ad.${MACHINE_CPU}.shl
396#	md.${MACHINE}.${MACHINE_ARCH}
397# (or)	md.${MACHINE}
398#	stl.mi
399#	stl.stlib
400#	shl.mi
401#	shl.shlib
402#	lkm.mi			if ${lkm} != no
403#	rescue.shl
404#	rescue.${MACHINE}
405#	rescue.ad.${MACHINE_ARCH}
406# (or)	rescue.ad.${MACHINE_CPU}
407# 	rescue.ad.${MACHINE_CPU}.shl
408#
409# Environment:
410# 	shlib
411# 	stlib
412#
413list_set_lists()
414{
415	setname=$1
416
417	setdir=$setsdir/lists/$setname
418	echo $setdir/mi
419	if [ "${MACHINE}" != "${MACHINE_ARCH}" ]; then
420		# Prefer an ad.${MACHINE_ARCH} over an ad.${MACHINE_CPU},
421		# since the arch-specific one will be more specific than
422		# the cpu-specific one.
423		if [ -f $setdir/ad.${MACHINE_ARCH} ]; then
424			echo $setdir/ad.${MACHINE_ARCH}
425		elif [ -f $setdir/ad.${MACHINE_CPU} ]; then
426			echo $setdir/ad.${MACHINE_CPU}
427		fi
428		if [ "$shlib" != "no" -a \
429		     -f $setdir/ad.${MACHINE_CPU}.shl ]; then
430			echo $setdir/ad.${MACHINE_CPU}.shl
431		fi
432	fi
433	if [ -f $setdir/md.${MACHINE}.${MACHINE_ARCH} ]; then
434		echo $setdir/md.${MACHINE}.${MACHINE_ARCH}
435	elif [ -f $setdir/md.${MACHINE} ]; then
436		echo $setdir/md.${MACHINE}
437	fi
438	if [ -f $setdir/stl.mi ]; then
439		echo $setdir/stl.mi
440	fi
441	if [ -f $setdir/stl.${stlib} ]; then
442		echo $setdir/stl.${stlib}
443	fi
444	if [ "$shlib" != "no" ]; then
445		if [ -f $setdir/shl.mi ]; then
446			echo $setdir/shl.mi
447		fi
448		if [ -f $setdir/shl.${shlib} ]; then
449			echo $setdir/shl.${shlib}
450		fi
451	fi
452	if [ "$lkm" != "no" ]; then
453		if [ -f $setdir/lkm.mi ]; then
454			echo $setdir/lkm.mi
455		fi
456	fi
457
458	if [ -f $setdir/rescue.mi ]; then
459		echo $setdir/rescue.mi
460	fi
461	if [ -f $setdir/rescue.${MACHINE} ]; then
462		echo $setdir/rescue.${MACHINE}
463	fi
464	if [ "${MACHINE}" != "${MACHINE_ARCH}" ]; then
465		# Prefer a rescue.ad.${MACHINE_ARCH} over a
466		# rescue.ad.${MACHINE_CPU}, since the arch-
467		# specific one will be more specific than the
468		# cpu-specific one.
469		if [ -f $setdir/rescue.ad.${MACHINE_ARCH} ]; then
470			echo $setdir/rescue.ad.${MACHINE_ARCH}
471		elif [ -f $setdir/rescue.ad.${MACHINE_CPU} ]; then
472			echo $setdir/rescue.ad.${MACHINE_CPU}
473		fi
474		if [ "$shlib" != "no" -a \
475		     -f $setdir/rescue.ad.${MACHINE_CPU}.shl ]; then
476			echo $setdir/rescue.ad.${MACHINE_CPU}.shl
477		fi
478	fi
479}
480
481# arch_to_cpu mach
482#
483# Print the ${MACHINE_CPU} for ${MACHINE_ARCH}=mach,
484# as determined by <bsd.own.mk>.
485#
486arch_to_cpu()
487{
488	MACHINE_ARCH=${1} ${MAKE} -B -f- all <<EOMAKE
489.include <bsd.own.mk>
490all:
491	@echo \${MACHINE_CPU}
492EOMAKE
493}
494
495# arch_to_endian mach
496#
497# Print the ${TARGET_ENDIANNESS} for ${MACHINE_ARCH}=mach,
498# as determined by <bsd.endian.mk>.
499#
500arch_to_endian()
501{
502	MACHINE_ARCH=${1} ${MAKE} -B -f- all <<EOMAKE
503.include <bsd.endian.mk>
504all:
505	@echo \${TARGET_ENDIANNESS}
506EOMAKE
507}
508