sets.subr revision 1.64 
1#	$NetBSD: sets.subr,v 1.64 2008/05/22 14:48:42 he 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#	HAVE_GDB
24#	TOOLCHAIN_MISSING
25#	OBJECT_FMT
26# as well as:
27#
28MKVARS="\
29	MKBFD		\
30	MKCATPAGES	\
31	MKCRYPTO	\
32	MKCRYPTO_IDEA	\
33	MKCRYPTO_MDC2	\
34	MKCRYPTO_RC5	\
35	MKCVS		\
36	MKGCC		\
37	MKGCCCMDS	\
38	MKDEBUG		\
39	MKDOC		\
40	MKGDB		\
41	MKHESIOD	\
42	MKINFO		\
43	MKIPFILTER	\
44	MKINET6		\
45	MKISCSI		\
46	MKKERBEROS	\
47	MKLINT		\
48	MKLDAP		\
49	MKMAN		\
50	MKMANPAGES	\
51	MKMANZ		\
52	MKMODULAR	\
53	MKNLS		\
54	MKPAM		\
55	MKPF		\
56	MKPIC		\
57	MKPOSTFIX	\
58	MKPROFILE	\
59	MKPUFFS		\
60	MKSENDMAIL	\
61	MKSHARE		\
62	MKSKEY		\
63	MKX11		\
64	MKYP		\
65	USE_INET6	\
66	USE_KERBEROS	\
67	USE_LDAP	\
68	USE_YP		\
69	NETBSDSRCDIR	\
70"
71#
72# The following variables refer to tools that are used when building sets:
73#
74: ${AWK:=awk}
75: ${CKSUM:=cksum}
76: ${COMM:=comm}
77: ${DATE:=date}
78: ${DB:=db}
79: ${EGREP:=egrep}
80: ${ENV_CMD:=env}       # ${ENV} is special to sh(1), ksh(1), etc.
81: ${FGREP:=fgrep}
82: ${FIND:=find}
83: ${GREP:=grep}
84: ${GZIP_CMD:=gzip}     # ${GZIP} is special to gzip(1)
85: ${HOSTNAME:=hostname}
86: ${HOST_SH:=sh}
87: ${IDENT:=ident}
88: ${JOIN:=join}
89: ${LS:=ls}
90: ${MAKE:=make}
91: ${MKTEMP:=mktemp}
92: ${MTREE:=mtree}
93: ${PASTE:=paste}
94: ${PAX:=pax}
95: ${PKG_CREATE:=pkg_create}
96: ${PRINTF:=printf}
97: ${SED:=sed}
98: ${SORT:=sort}
99: ${STAT:=stat}
100: ${TSORT:=tsort}
101: ${UNAME:=uname}
102: ${WC:=wc}
103
104#
105# If printf is a shell builtin command, then we can
106# implement cheaper versions of basename and dirname
107# that do not involve any fork/exec overhead.
108# If printf is not builtin, approximate it using echo,
109# and hope there are no weird file names that cause
110# some versions of echo to do the wrong thing.
111# (Converting to this version of dirname speeded up the
112# syspkgdeps script by an order of magnitude, from 68
113# seconds to 6.3 seconds on one particular host.)
114#
115# Note that naive approximations for dirname
116# using ${foo%/*} do not do the right thing in cases
117# where the result should be "/" or ".".
118#
119case "$(type printf)" in
120*builtin*)
121	basename ()
122	{
123		local bn
124		bn="${1##*/}"
125		bn="${bn%$2}"
126		printf "%s\n" "$bn"
127	}
128	dirname ()
129	{
130		local dn
131		case "$1" in
132		?*/*)	dn="${1%/*}" ;;
133		/*)	dn=/ ;;
134		*)	dn=. ;;
135		esac
136		printf "%s\n" "$dn"
137	}
138	;;
139*)
140	basename ()
141	{
142		local bn
143		bn="${1##*/}"
144		bn="${bn%$2}"
145		echo "$bn"
146	}
147	dirname ()
148	{
149		local dn
150		case "$1" in
151		?*/*)	dn="${1%/*}" ;;
152		/*)	dn=/ ;;
153		*)	dn=. ;;
154		esac
155		echo "$dn"
156	}
157	;;
158esac
159
160oIFS=$IFS
161IFS="
162"
163for x in $(
164${MAKE} -B -f- all <<EOMAKE
165.include <bsd.own.mk>
166.if (\${MKMAN} == "no" || empty(MANINSTALL:Mmaninstall))
167MKMANPAGES=no
168.else
169MKMANPAGES=yes
170.endif
171all:
172.for i in MACHINE MACHINE_ARCH MACHINE_CPU \
173		HAVE_GCC HAVE_GDB OBJECT_FMT TOOLCHAIN_MISSING \
174		${MKVARS}
175	@echo "export \$i=\${\$i}"
176.endfor
177.if (\${MKX11:Uno} != "no")
178	@echo x11_version=""
179.else
180	@echo x11_version=4
181.endif
182
183EOMAKE
184); do
185#	echo 1>&2 "DEBUG: read $x"
186	eval $x
187done
188IFS=$oIFS
189
190setsdir=${0%/*}
191nlists="base comp etc games man misc tests text"
192case $x11_version in
1933)	xlists="xbase3 xcomp3 xcontrib3 xfont3 xmisc3 xserver3" ;;
1944)	xlists="xbase4 xcomp4 xcontrib4 xfont4 xmisc4 xserver4" ;;
195"")	xlists="xbase xcomp xetc xfont xserver" ;;
196*)	xlists="" ;;	# unknown!
197esac
198obsolete=0
199lkm=yes
200if [ "${MACHINE}" = "evbppc" ]; then
201	lkm=no				# Turn off LKMs for some ports.
202fi
203# Determine lib type. Do this first so stlib also gets set.
204if [ "${OBJECT_FMT}" = "ELF" ]; then
205	shlib=elf
206else
207	shlib=aout
208fi
209stlib=$shlib
210# Now check for MKPIC or specials and turn off shlib if need be.
211if [ "${MKPIC}" = "no" ]; then
212	shlib=no
213fi
214if [ "${MACHINE_ARCH}" = "m68000" ]; then
215	shlib=no			# Turn off shlibs for some ports.
216fi
217
218OSRELEASE=`${HOST_SH} ${NETBSDSRCDIR}/sys/conf/osrelease.sh`
219MODULEDIR="stand/${MACHINE}/${OSRELEASE}/modules"
220SUBST="s#@MODULEDIR@#${MODULEDIR}#g"
221SUBST="${SUBST};s#@OSRELEASE@#${OSRELEASE}#g"
222SUBST="${SUBST};s#@MACHINE@#${MACHINE}#g"
223
224#
225# list_set_files setfile [...]
226# 
227# Produce a packing list for setfile(s).
228# In each file, a record consists of a path and a System Package name,
229# separated by whitespace. E.g.,
230#
231# 	# $NetBSD: sets.subr,v 1.64 2008/05/22 14:48:42 he Exp $
232# 	.			base-sys-root	[keyword[,...]]
233# 	./altroot		base-sys-root
234# 	./bin			base-sys-root
235# 	./bin/[			base-util-root
236# 	./bin/cat		base-util-root
237#		[...]
238#
239# A # in the first column marks a comment.
240#
241# If ${obsolete} != 0, only entries with an "obsolete" keyword will
242# be printed.  All other keywords must be present.
243#
244# The third field is an optional comma separated list of keywords to
245# control if a record is printed; every keyword listed must be enabled
246# for the record to be printed.  The following keywords are available:
247#	dummy			dummy entry (ignored)
248#	obsolete		file is obsolete, and only printed if 
249#				${obsolete} != 0
250#
251#	bfd			${MKBFD} != no
252#	catpages		${MKCATPAGES} != no
253#	crypto			${MKCRYPTO} != no
254#	crypto_idea		${MKCRYPTO_IDEA} != no
255#	crypto_mdc2		${MKCRYPTO_MDC2} != no
256#	crypto_rc5		${MKCRYPTO_RC5} != no
257#	cvs			${MKCVS} != no
258#	debug			${MKDEBUG} != no
259#	doc			${MKDOC} != no
260#	gcc			${MKGCC} != no
261#	gcccmds			${MKGCCCMDS} != no
262#	gdb			${MKGDB} != no
263#	hesiod			${MKHESIOD} != no
264#	info			${MKINFO} != no
265#	ipfilter		${MKIPFILTER} != no
266#	inet6			${MKINET6} != no
267#	iscsi			${MKISCSI} != no
268#	kerberos		${MKKERBEROS} != no
269#	lint			${MKLINT} != no
270#	man			${MKMAN} != no
271#	manz			${MKMANZ} != no
272#	modular			${MKMODULAR} != no
273#	nls			${MKNLS} != no
274#	pam			${MKPAM} != no
275#	pf			${MKPF} != no
276#	postfix			${MKPOSTFIX} != no
277#	profile			${MKPROFILE} != no
278#	puffs			${MKPUFFS} != no
279#	sendmail		${MKSENDMAIL} != no
280#	share			${MKSHARE} != no
281#	skey			${MKSKEY} != no
282#	yp			${MKYP} != no
283#
284#	gcc=<n>			<n> = value of ${HAVE_GCC}
285#	gdb=<n>			<n> = value of ${HAVE_GDB}
286#
287#	use_inet6		${USE_INET6} != no
288#	use_kerberos		${USE_KERBEROS} != no
289#	use_yp			${USE_YP} != no
290#
291#	.cat			if ${MKMANZ} != "no" && ${MKCATPAGES} != "no"
292#				  automatically append ".gz" to the filename
293#
294#	.man			if ${MKMANZ} != "no" && ${MKMAN} != "no"
295#				  automatically append ".gz" to the filename
296#
297list_set_files()
298{
299	for setname; do
300		list_set_lists $setname
301	done | xargs cat | ${SED} ${SUBST} | \
302	${AWK} -v obsolete=${obsolete} '
303		BEGIN {
304			if (obsolete)
305				wanted["obsolete"] = 1
306		
307			split("'"${MKVARS}"'", needvars)
308			for (vi in needvars) {
309				nv = needvars[vi]
310				kw = tolower(nv)
311				sub(/^mk/, "", kw)
312				if (ENVIRON[nv] != "no")
313					wanted[kw] = 1 
314			}
315
316			if ("'"${TOOLCHAIN_MISSING}"'" != "yes") {
317				wanted["gcc=" "'"${HAVE_GCC}"'"] = 1
318				wanted["gdb=" "'"${HAVE_GDB}"'"] = 1
319			}
320			if (("man" in wanted) && ("catpages" in wanted))
321				wanted[".cat"] = 1
322			if (("man" in wanted) && ("manpages" in wanted))
323				wanted[".man"] = 1
324		}
325
326		/^#/ {
327			next;
328		}
329
330		NF > 2 && $3 != "-" {
331			split($3, keywords, ",")
332			show = 1
333			haveobs = 0
334			for (ki in keywords) {
335				kw = keywords[ki]
336				if (("manz" in wanted) &&
337				    (kw == ".cat" || kw == ".man"))
338					$1 = $1 ".gz"
339				negated = match(kw, "! *")
340				if (negated > 0) {
341					kw = substr(kw, RSTART + RLENGTH)
342					if (kw in wanted)
343						show = 0
344				} else {
345					if (! (kw in wanted))
346						show = 0
347				}
348				if (kw == "obsolete")
349					haveobs = 1
350			}
351			if (obsolete && ! haveobs)
352				next
353			if (show)
354				print
355			next
356		}
357
358		{
359			if (! obsolete)
360				print
361		}'
362
363}
364
365#
366# list_set_lists setname
367# 
368# Print to stdout a list of files, one filename per line, which
369# concatenate to create the packing list for setname. E.g.,
370#
371# 	.../lists/base/mi
372# 	.../lists/base/rescue.mi
373# 	.../lists/base/md.i386
374#		[...]
375#
376# For a given setname $set, the following files may be selected from
377# .../list/$set:
378#	mi
379#	ad.${MACHINE_ARCH}
380# (or)	ad.${MACHINE_CPU}
381#	ad.${MACHINE_CPU}.shl
382#	md.${MACHINE}.${MACHINE_ARCH}
383# (or)	md.${MACHINE}
384#	stl.mi
385#	stl.stlib
386#	shl.mi
387#	shl.shlib
388#	lkm.mi			if ${lkm} != no
389#	rescue.shl
390#	rescue.${MACHINE}
391#	rescue.ad.${MACHINE_ARCH}
392# (or)	rescue.ad.${MACHINE_CPU}
393# 	rescue.ad.${MACHINE_CPU}.shl
394#
395# Environment:
396# 	shlib
397# 	stlib
398#
399list_set_lists()
400{
401	setname=$1
402
403	setdir=$setsdir/lists/$setname
404	echo $setdir/mi
405	if [ "${MACHINE}" != "${MACHINE_ARCH}" ]; then
406		# Prefer an ad.${MACHINE_ARCH} over an ad.${MACHINE_CPU},
407		# since the arch-specific one will be more specific than
408		# the cpu-specific one.
409		if [ -f $setdir/ad.${MACHINE_ARCH} ]; then
410			echo $setdir/ad.${MACHINE_ARCH}
411		elif [ -f $setdir/ad.${MACHINE_CPU} ]; then
412			echo $setdir/ad.${MACHINE_CPU}
413		fi
414		if [ "$shlib" != "no" -a \
415		     -f $setdir/ad.${MACHINE_CPU}.shl ]; then
416			echo $setdir/ad.${MACHINE_CPU}.shl
417		fi
418	fi
419	if [ -f $setdir/md.${MACHINE}.${MACHINE_ARCH} ]; then
420		echo $setdir/md.${MACHINE}.${MACHINE_ARCH}
421	elif [ -f $setdir/md.${MACHINE} ]; then
422		echo $setdir/md.${MACHINE}
423	fi
424	if [ -f $setdir/stl.mi ]; then
425		echo $setdir/stl.mi
426	fi
427	if [ -f $setdir/stl.${stlib} ]; then
428		echo $setdir/stl.${stlib}
429	fi
430	if [ "$shlib" != "no" ]; then
431		if [ -f $setdir/shl.mi ]; then
432			echo $setdir/shl.mi
433		fi
434		if [ -f $setdir/shl.${shlib} ]; then
435			echo $setdir/shl.${shlib}
436		fi
437	fi
438	if [ "$lkm" != "no" ]; then
439		if [ -f $setdir/lkm.mi ]; then
440			echo $setdir/lkm.mi
441		fi
442	fi
443
444	if [ -f $setdir/rescue.mi ]; then
445		echo $setdir/rescue.mi
446	fi
447	if [ -f $setdir/rescue.${MACHINE} ]; then
448		echo $setdir/rescue.${MACHINE}
449	fi
450	if [ "${MACHINE}" != "${MACHINE_ARCH}" ]; then
451		# Prefer a rescue.ad.${MACHINE_ARCH} over a
452		# rescue.ad.${MACHINE_CPU}, since the arch-
453		# specific one will be more specific than the
454		# cpu-specific one.
455		if [ -f $setdir/rescue.ad.${MACHINE_ARCH} ]; then
456			echo $setdir/rescue.ad.${MACHINE_ARCH}
457		elif [ -f $setdir/rescue.ad.${MACHINE_CPU} ]; then
458			echo $setdir/rescue.ad.${MACHINE_CPU}
459		fi
460		if [ "$shlib" != "no" -a \
461		     -f $setdir/rescue.ad.${MACHINE_CPU}.shl ]; then
462			echo $setdir/rescue.ad.${MACHINE_CPU}.shl
463		fi
464	fi
465}
466
467# arch_to_cpu mach
468#
469# Print the ${MACHINE_CPU} for ${MACHINE_ARCH}=mach,
470# as determined by <bsd.own.mk>.
471#
472arch_to_cpu()
473{
474	MACHINE_ARCH=${1} ${MAKE} -B -f- all <<EOMAKE
475.include <bsd.own.mk>
476all:
477	@echo \${MACHINE_CPU}
478EOMAKE
479}
480
481# arch_to_endian mach
482#
483# Print the ${TARGET_ENDIANNESS} for ${MACHINE_ARCH}=mach,
484# as determined by <bsd.endian.mk>.
485#
486arch_to_endian()
487{
488	MACHINE_ARCH=${1} ${MAKE} -B -f- all <<EOMAKE
489.include <bsd.endian.mk>
490all:
491	@echo \${TARGET_ENDIANNESS}
492EOMAKE
493}
494