sets.subr revision 1.66 
1#	$NetBSD: sets.subr,v 1.66 2008/07/22 21:07:59 dyoung 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	MKNVI		\
55	MKPAM		\
56	MKPF		\
57	MKPIC		\
58	MKPOSTFIX	\
59	MKPROFILE	\
60	MKPUFFS		\
61	MKSENDMAIL	\
62	MKSHARE		\
63	MKSKEY		\
64	MKX11		\
65	MKYP		\
66	USE_INET6	\
67	USE_KERBEROS	\
68	USE_LDAP	\
69	USE_YP		\
70	NETBSDSRCDIR	\
71	MAKEVERBOSE	\
72"
73#
74# The following variables refer to tools that are used when building sets:
75#
76: ${AWK:=awk}
77: ${CKSUM:=cksum}
78: ${COMM:=comm}
79: ${DATE:=date}
80: ${DB:=db}
81: ${EGREP:=egrep}
82: ${ENV_CMD:=env}       # ${ENV} is special to sh(1), ksh(1), etc.
83: ${FGREP:=fgrep}
84: ${FIND:=find}
85: ${GREP:=grep}
86: ${GZIP_CMD:=gzip}     # ${GZIP} is special to gzip(1)
87: ${HOSTNAME:=hostname}
88: ${HOST_SH:=sh}
89: ${IDENT:=ident}
90: ${JOIN:=join}
91: ${LS:=ls}
92: ${MAKE:=make}
93: ${MKTEMP:=mktemp}
94: ${MTREE:=mtree}
95: ${PASTE:=paste}
96: ${PAX:=pax}
97: ${PKG_CREATE:=pkg_create}
98: ${PRINTF:=printf}
99: ${SED:=sed}
100: ${SORT:=sort}
101: ${STAT:=stat}
102: ${TSORT:=tsort}
103: ${UNAME:=uname}
104: ${WC:=wc}
105
106#
107# If printf is a shell builtin command, then we can
108# implement cheaper versions of basename and dirname
109# that do not involve any fork/exec overhead.
110# If printf is not builtin, approximate it using echo,
111# and hope there are no weird file names that cause
112# some versions of echo to do the wrong thing.
113# (Converting to this version of dirname speeded up the
114# syspkgdeps script by an order of magnitude, from 68
115# seconds to 6.3 seconds on one particular host.)
116#
117# Note that naive approximations for dirname
118# using ${foo%/*} do not do the right thing in cases
119# where the result should be "/" or ".".
120#
121case "$(type printf)" in
122*builtin*)
123	basename ()
124	{
125		local bn
126		bn="${1##*/}"
127		bn="${bn%$2}"
128		printf "%s\n" "$bn"
129	}
130	dirname ()
131	{
132		local dn
133		case "$1" in
134		?*/*)	dn="${1%/*}" ;;
135		/*)	dn=/ ;;
136		*)	dn=. ;;
137		esac
138		printf "%s\n" "$dn"
139	}
140	;;
141*)
142	basename ()
143	{
144		local bn
145		bn="${1##*/}"
146		bn="${bn%$2}"
147		echo "$bn"
148	}
149	dirname ()
150	{
151		local dn
152		case "$1" in
153		?*/*)	dn="${1%/*}" ;;
154		/*)	dn=/ ;;
155		*)	dn=. ;;
156		esac
157		echo "$dn"
158	}
159	;;
160esac
161
162oIFS=$IFS
163IFS="
164"
165for x in $(
166${MAKE} -B -f- all <<EOMAKE
167.include <bsd.own.mk>
168.if (\${MKMAN} == "no" || empty(MANINSTALL:Mmaninstall))
169MKMANPAGES=no
170.else
171MKMANPAGES=yes
172.endif
173all:
174.for i in MACHINE MACHINE_ARCH MACHINE_CPU \
175		HAVE_GCC HAVE_GDB OBJECT_FMT TOOLCHAIN_MISSING \
176		${MKVARS}
177	@echo "export \$i=\${\$i}"
178.endfor
179.if (\${MKX11:Uno} != "no")
180	@echo x11_version=""
181.else
182	@echo x11_version=4
183.endif
184
185EOMAKE
186); do
187#	echo 1>&2 "DEBUG: read $x"
188	eval $x
189done
190IFS=$oIFS
191
192setsdir=${0%/*}
193nlists="base comp etc games man misc tests text"
194case $x11_version in
1953)	xlists="xbase3 xcomp3 xcontrib3 xfont3 xmisc3 xserver3" ;;
1964)	xlists="xbase4 xcomp4 xcontrib4 xfont4 xmisc4 xserver4" ;;
197"")	xlists="xbase xcomp xetc xfont xserver" ;;
198*)	xlists="" ;;	# unknown!
199esac
200obsolete=0
201lkm=yes
202if [ "${MACHINE}" = "evbppc" ]; then
203	lkm=no				# Turn off LKMs for some ports.
204fi
205# Determine lib type. Do this first so stlib also gets set.
206if [ "${OBJECT_FMT}" = "ELF" ]; then
207	shlib=elf
208else
209	shlib=aout
210fi
211stlib=$shlib
212# Now check for MKPIC or specials and turn off shlib if need be.
213if [ "${MKPIC}" = "no" ]; then
214	shlib=no
215fi
216if [ "${MACHINE_ARCH}" = "m68000" ]; then
217	shlib=no			# Turn off shlibs for some ports.
218fi
219
220OSRELEASE=`${HOST_SH} ${NETBSDSRCDIR}/sys/conf/osrelease.sh`
221MODULEDIR="stand/${MACHINE}/${OSRELEASE}/modules"
222SUBST="s#@MODULEDIR@#${MODULEDIR}#g"
223SUBST="${SUBST};s#@OSRELEASE@#${OSRELEASE}#g"
224SUBST="${SUBST};s#@MACHINE@#${MACHINE}#g"
225
226#
227# list_set_files setfile [...]
228# 
229# Produce a packing list for setfile(s).
230# In each file, a record consists of a path and a System Package name,
231# separated by whitespace. E.g.,
232#
233# 	# $NetBSD: sets.subr,v 1.66 2008/07/22 21:07:59 dyoung Exp $
234# 	.			base-sys-root	[keyword[,...]]
235# 	./altroot		base-sys-root
236# 	./bin			base-sys-root
237# 	./bin/[			base-util-root
238# 	./bin/cat		base-util-root
239#		[...]
240#
241# A # in the first column marks a comment.
242#
243# If ${obsolete} != 0, only entries with an "obsolete" keyword will
244# be printed.  All other keywords must be present.
245#
246# The third field is an optional comma separated list of keywords to
247# control if a record is printed; every keyword listed must be enabled
248# for the record to be printed.  The following keywords are available:
249#	dummy			dummy entry (ignored)
250#	obsolete		file is obsolete, and only printed if 
251#				${obsolete} != 0
252#
253#	bfd			${MKBFD} != no
254#	catpages		${MKCATPAGES} != no
255#	crypto			${MKCRYPTO} != no
256#	crypto_idea		${MKCRYPTO_IDEA} != no
257#	crypto_mdc2		${MKCRYPTO_MDC2} != no
258#	crypto_rc5		${MKCRYPTO_RC5} != no
259#	cvs			${MKCVS} != no
260#	debug			${MKDEBUG} != no
261#	doc			${MKDOC} != no
262#	gcc			${MKGCC} != no
263#	gcccmds			${MKGCCCMDS} != no
264#	gdb			${MKGDB} != no
265#	hesiod			${MKHESIOD} != no
266#	info			${MKINFO} != no
267#	ipfilter		${MKIPFILTER} != no
268#	inet6			${MKINET6} != no
269#	iscsi			${MKISCSI} != no
270#	kerberos		${MKKERBEROS} != no
271#	lint			${MKLINT} != no
272#	man			${MKMAN} != no
273#	manz			${MKMANZ} != no
274#	modular			${MKMODULAR} != no
275#	nls			${MKNLS} != no
276#	nvi			${MKNVI} != no
277#	pam			${MKPAM} != no
278#	pf			${MKPF} != no
279#	postfix			${MKPOSTFIX} != no
280#	profile			${MKPROFILE} != no
281#	puffs			${MKPUFFS} != no
282#	sendmail		${MKSENDMAIL} != no
283#	share			${MKSHARE} != no
284#	skey			${MKSKEY} != 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