sets.subr revision 1.103 
1#	$NetBSD: sets.subr,v 1.103 2009/12/03 18:26:34 uebayasi 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#	extlists		list of extsrc sets
10#	obsolete		controls if obsolete files are selected instead
11#	module			if != "no", enable MODULE sets
12#	shlib			shared library format (a.out, elf, or "")
13#	stlib			static library format (a.out, elf)
14#
15# The following <bsd.own.mk> variables are exported to the environment:
16#	MACHINE	
17#	MACHINE_ARCH
18#	MACHINE_CPU
19#	HAVE_BINUTILS
20#	HAVE_GCC
21#	HAVE_GDB
22#	TOOLCHAIN_MISSING
23#	OBJECT_FMT
24# as well as:
25#
26
27# XXX don't hardcode
28MKEXTRAVARS="\
29	EXTSRCS		\
30	MKBFD		\
31	MKCOMPAT	\
32	MKDYNAMICROOT	\
33	MKMANPAGES	\
34	MKXORG		\
35	MKZFS		\
36	USE_INET6	\
37	USE_KERBEROS	\
38	USE_LDAP	\
39	USE_YP		\
40	NETBSDSRCDIR	\
41	MAKEVERBOSE	\
42"
43#
44# The following variables refer to tools that are used when building sets:
45#
46: ${AWK:=awk}
47: ${CKSUM:=cksum}
48: ${COMM:=comm}
49: ${DATE:=date}
50: ${DB:=db}
51: ${EGREP:=egrep}
52: ${ENV_CMD:=env}       # ${ENV} is special to sh(1), ksh(1), etc.
53: ${FGREP:=fgrep}
54: ${FIND:=find}
55: ${GREP:=grep}
56: ${GZIP_CMD:=gzip}     # ${GZIP} is special to gzip(1)
57: ${HOSTNAME_CMD:=hostname}	# ${HOSTNAME} is special to bash(1)
58: ${HOST_SH:=sh}
59: ${IDENT:=ident}
60: ${JOIN:=join}
61: ${LS:=ls}
62: ${MAKE:=make}
63: ${MKTEMP:=mktemp}
64: ${MTREE:=mtree}
65: ${PASTE:=paste}
66: ${PAX:=pax}
67: ${PRINTF:=printf}
68: ${SED:=sed}
69: ${SORT:=sort}
70: ${STAT:=stat}
71: ${TSORT:=tsort}
72: ${UNAME:=uname}
73: ${WC:=wc}
74
75#
76# If printf is a shell builtin command, then we can
77# implement cheaper versions of basename and dirname
78# that do not involve any fork/exec overhead.
79# If printf is not builtin, approximate it using echo,
80# and hope there are no weird file names that cause
81# some versions of echo to do the wrong thing.
82# (Converting to this version of dirname speeded up the
83# syspkgdeps script by an order of magnitude, from 68
84# seconds to 6.3 seconds on one particular host.)
85#
86# Note that naive approximations for dirname
87# using ${foo%/*} do not do the right thing in cases
88# where the result should be "/" or ".".
89#
90case "$(type printf)" in
91*builtin*)
92	basename ()
93	{
94		local bn
95		bn="${1##*/}"
96		bn="${bn%$2}"
97		printf "%s\n" "$bn"
98	}
99	dirname ()
100	{
101		local dn
102		case "$1" in
103		?*/*)	dn="${1%/*}" ;;
104		/*)	dn=/ ;;
105		*)	dn=. ;;
106		esac
107		printf "%s\n" "$dn"
108	}
109	;;
110*)
111	basename ()
112	{
113		local bn
114		bn="${1##*/}"
115		bn="${bn%$2}"
116		echo "$bn"
117	}
118	dirname ()
119	{
120		local dn
121		case "$1" in
122		?*/*)	dn="${1%/*}" ;;
123		/*)	dn=/ ;;
124		*)	dn=. ;;
125		esac
126		echo "$dn"
127	}
128	;;
129esac
130
131oIFS=$IFS
132IFS="
133"
134
135for x in $(
136	${MAKE} -B -f- all <<EOMAKE
137.include <bsd.own.mk>
138all:
139	@echo "export _MKVARS_yes=\"\${_MKVARS.yes}\""
140	@echo "export _MKVARS_no=\"\${_MKVARS.no}\""
141
142EOMAKE
143); do
144	eval $x
145done
146
147for x in $(
148${MAKE} -B -f- all <<EOMAKE
149.include <bsd.own.mk>
150.if (\${MKMAN} == "no" || empty(MANINSTALL:Mmaninstall))
151MKMANPAGES=no
152.else
153MKMANPAGES=yes
154.endif
155.if \${MKX11} != "no"
156. if \${X11FLAVOUR} == "Xorg"
157MKXORG:=yes
158MKX11:=no
159. else
160MKXORG:=no
161. endif
162.endif
163all:
164.for i in MACHINE MACHINE_ARCH MACHINE_CPU \
165		HAVE_BINUTILS HAVE_GCC HAVE_GDB OBJECT_FMT TOOLCHAIN_MISSING \
166		${MKEXTRAVARS} ${_MKVARS_yes} ${_MKVARS_no}
167	@echo "export \$i=\"\${\$i}\""
168.endfor
169
170EOMAKE
171); do
172#	echo 1>&2 "DEBUG: read $x"
173	eval $x
174done
175
176IFS=$oIFS
177
178MKVARS="$MKEXTRAVARS $_MKVARS_yes $_MKVARS_no"
179
180setsdir=${0%/*}
181obsolete=0
182module=yes
183if [ "${MKKMOD}" = "no" ]; then
184	module=no			# MODULEs are off.
185elif [ "${MACHINE}" = "evbppc" ]; then
186	module=no			# Turn off MODULEs for some ports.
187fi
188# Determine lib type. Do this first so stlib also gets set.
189if [ "${OBJECT_FMT}" = "ELF" ]; then
190	shlib=elf
191else
192	shlib=aout
193fi
194stlib=$shlib
195# Now check for MKPIC or specials and turn off shlib if need be.
196if [ "${MKPIC}" = "no" ]; then
197	shlib=no
198fi
199if [ "${MACHINE_ARCH}" = "m68000" ]; then
200	shlib=no			# Turn off shlibs for some ports.
201fi
202if [ "$module" != "no" ]; then
203	nlists="base comp etc games man misc modules tests text"
204else
205	nlists="base comp etc games man misc tests text"
206fi
207xlists="xbase xcomp xetc xfont xserver"
208extlists="extbase extcomp extetc"
209
210OSRELEASE=`${HOST_SH} ${NETBSDSRCDIR}/sys/conf/osrelease.sh`
211MODULEDIR="stand/${MACHINE}/${OSRELEASE}/modules"
212SUBST="s#@MODULEDIR@#${MODULEDIR}#g"
213SUBST="${SUBST};s#@OSRELEASE@#${OSRELEASE}#g"
214SUBST="${SUBST};s#@MACHINE@#${MACHINE}#g"
215
216#
217# list_set_files setfile [...]
218# 
219# Produce a packing list for setfile(s).
220# In each file, a record consists of a path and a System Package name,
221# separated by whitespace. E.g.,
222#
223# 	# $NetBSD: sets.subr,v 1.103 2009/12/03 18:26:34 uebayasi Exp $
224# 	.			base-sys-root	[keyword[,...]]
225# 	./altroot		base-sys-root
226# 	./bin			base-sys-root
227# 	./bin/[			base-util-root
228# 	./bin/cat		base-util-root
229#		[...]
230#
231# A # in the first column marks a comment.
232#
233# If ${obsolete} != 0, only entries with an "obsolete" keyword will
234# be printed.  All other keywords must be present.
235#
236# The third field is an optional comma separated list of keywords to
237# control if a record is printed; every keyword listed must be enabled
238# for the record to be printed.  The following keywords are available:
239#	dummy			dummy entry (ignored)
240#	obsolete		file is obsolete, and only printed if 
241#				${obsolete} != 0
242#
243#	bfd			obsolete, use binutils.
244#	binutils		${MKBINUTILS} != 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#	extsrc			${MKEXTSRC} != no
257#	gcc			${MKGCC} != no
258#	gcccmds			${MKGCCCMDS} != no
259#	gdb			${MKGDB} != no
260#	hesiod			${MKHESIOD} != no
261#	html			${MKHTML} != no
262#	inet6			${MKINET6} != no
263#	info			${MKINFO} != no
264#	ipfilter		${MKIPFILTER} != no
265#	iscsi			${MKISCSI} != no
266#	kerberos		${MKKERBEROS} != no
267#	kmod			${MKKMOD} != no
268#	ldap			${MKLDAP} != no
269#	lint			${MKLINT} != no
270#	lvm			${MKLVM} != no
271#	man			${MKMAN} != no
272#	manpages		${MKMANPAGES} != no
273#	manz			${MKMANZ} != no
274#	mdns			${MKMDNS} != no
275#	nls			${MKNLS} != no
276#	nvi			${MKNVI} != no
277#	pam			${MKPAM} != no
278#	pf			${MKPF} != no
279#	pic			${MKPIC} != no
280#	postfix			${MKPOSTFIX} != no
281#	profile			${MKPROFILE} != no
282#	share			${MKSHARE} != no
283#	skey			${MKSKEY} != no
284#	x11			${MKX11} != no && ${X11FLAVOUR} != "Xorg"
285#	xorg			${MKX11} != no && ${X11FLAVOUR} == "Xorg"
286#	yp			${MKYP} != no
287#	zfs			${MKZFS} != no
288#
289#	binutils=<n>		<n> = value of ${HAVE_BINUTILS}
290#	gcc=<n>			<n> = value of ${HAVE_GCC}
291#	gdb=<n>			<n> = value of ${HAVE_GDB}
292#
293#	use_inet6		${USE_INET6} != no
294#	use_kerberos		${USE_KERBEROS} != no
295#	use_yp			${USE_YP} != no
296#
297#	.cat			if ${MKMANZ} != "no" && ${MKCATPAGES} != "no"
298#				  automatically append ".gz" to the filename
299#
300#	.man			if ${MKMANZ} != "no" && ${MKMAN} != "no"
301#				  automatically append ".gz" to the filename
302#
303list_set_files()
304{
305	if [ ${MAKEVERBOSE:-2} -lt 3 ]; then
306		verbose=false
307	else
308		verbose=true
309	fi
310	for setname; do
311		list=`list_set_lists $setname`
312		for l in $list; do
313			echo $l
314			if $verbose; then
315				echo >&2 "DEBUG: list_set_files: $l"
316			fi
317		done
318	done | xargs cat | ${SED} ${SUBST} | \
319	${AWK} -v obsolete=${obsolete} '
320		BEGIN {
321			if (obsolete)
322				wanted["obsolete"] = 1
323		
324			split("'"${MKVARS}"'", needvars)
325			for (vi in needvars) {
326				nv = needvars[vi]
327				kw = tolower(nv)
328				sub(/^mk/, "", kw)
329				if (ENVIRON[nv] != "no")
330					wanted[kw] = 1 
331			}
332
333			if ("'"${TOOLCHAIN_MISSING}"'" != "yes") {
334				if ("binutils" in wanted)
335					wanted["binutils=" "'"${HAVE_BINUTILS}"'"] = 1
336				if ("gcc" in wanted)
337					wanted["gcc=" "'"${HAVE_GCC}"'"] = 1
338				if ("gdb" in wanted)
339					wanted["gdb=" "'"${HAVE_GDB}"'"] = 1
340			}
341			if (("man" in wanted) && ("catpages" in wanted))
342				wanted[".cat"] = 1
343			if (("man" in wanted) && ("manpages" in wanted))
344				wanted[".man"] = 1
345		}
346
347		/^#/ {
348			next;
349		}
350
351		NF > 2 && $3 != "-" {
352			split($3, keywords, ",")
353			show = 1
354			haveobs = 0
355			for (ki in keywords) {
356				kw = keywords[ki]
357				if (("manz" in wanted) &&
358				    (kw == ".cat" || kw == ".man"))
359					$1 = $1 ".gz"
360				negated = match(kw, "! *")
361				if (negated > 0) {
362					kw = substr(kw, RSTART + RLENGTH)
363					if (kw in wanted)
364						show = 0
365				} else {
366					if (! (kw in wanted))
367						show = 0
368				}
369				if (kw == "obsolete")
370					haveobs = 1
371			}
372			if (obsolete && ! haveobs)
373				next
374			if (show)
375				print
376			next
377		}
378
379		{
380			if (! obsolete)
381				print
382		}'
383
384}
385
386#
387# list_set_lists setname
388# 
389# Print to stdout a list of files, one filename per line, which
390# concatenate to create the packing list for setname. E.g.,
391#
392# 	.../lists/base/mi
393# 	.../lists/base/rescue.mi
394# 	.../lists/base/md.i386
395#		[...]
396#
397# For a given setname $set, the following files may be selected from
398# .../list/$set:
399#	mi
400#	mi.ext.*
401#	ad.${MACHINE_ARCH}
402# (or)	ad.${MACHINE_CPU}
403#	ad.${MACHINE_CPU}.shl
404#	md.${MACHINE}.${MACHINE_ARCH}
405# (or)	md.${MACHINE}
406#	stl.mi
407#	stl.${stlib}
408#	shl.mi
409#	shl.mi.ext.*
410#	shl.${shlib}
411#	shl.${shlib}.ext.*
412#	module.mi			if ${module} != no
413#	module.${MACHINE}		if ${module} != no
414#	module.ad.${MACHINE_ARCH}	if ${module} != no
415# (or)	module.ad.${MACHINE_CPU}	if ${module} != no
416#	rescue.shl
417#	rescue.${MACHINE}
418#	rescue.ad.${MACHINE_ARCH}
419# (or)	rescue.ad.${MACHINE_CPU}
420# 	rescue.ad.${MACHINE_CPU}.shl
421#
422# Environment:
423# 	shlib
424# 	stlib
425#
426list_set_lists()
427{
428	setname=$1
429
430	setdir=$setsdir/lists/$setname
431	echo $setdir/mi
432	for _extsrc_pkg in ${EXTSRCS}; do
433		if [ -f $setdir/mi.ext.${_extsrc_pkg} ]; then
434			echo $setdir/mi.ext.${_extsrc_pkg}
435		fi
436	done
437	if [ "${MACHINE}" != "${MACHINE_ARCH}" ]; then
438		# Prefer an ad.${MACHINE_ARCH} over an ad.${MACHINE_CPU},
439		# since the arch-specific one will be more specific than
440		# the cpu-specific one.
441		if [ -f $setdir/ad.${MACHINE_ARCH} ]; then
442			echo $setdir/ad.${MACHINE_ARCH}
443		elif [ -f $setdir/ad.${MACHINE_CPU} ]; then
444			echo $setdir/ad.${MACHINE_CPU}
445		fi
446		if [ "$shlib" != "no" -a \
447		     -f $setdir/ad.${MACHINE_CPU}.shl ]; then
448			echo $setdir/ad.${MACHINE_CPU}.shl
449		fi
450	fi
451	if [ -f $setdir/md.${MACHINE}.${MACHINE_ARCH} ]; then
452		echo $setdir/md.${MACHINE}.${MACHINE_ARCH}
453	elif [ -f $setdir/md.${MACHINE} ]; then
454		echo $setdir/md.${MACHINE}
455	fi
456	if [ -f $setdir/stl.mi ]; then
457		echo $setdir/stl.mi
458	fi
459	if [ -f $setdir/stl.${stlib} ]; then
460		echo $setdir/stl.${stlib}
461	fi
462	if [ "$shlib" != "no" ]; then
463		if [ -f $setdir/shl.mi ]; then
464			echo $setdir/shl.mi
465		fi
466		for _extsrc_pkg in ${EXTSRCS}; do
467			if [ -f $setdir/shl.mi.ext.${_extsrc_pkg} ]; then
468				echo $setdir/shl.mi.ext.${_extsrc_pkg}
469			fi
470		done
471		if [ -f $setdir/shl.${shlib} ]; then
472			echo $setdir/shl.${shlib}
473		fi
474		for _extsrc_pkg in ${EXTSRCS}; do
475			if [ -f $setdir/shl.${shlib}.ext.${_extsrc_pkg} ]; then
476				echo $setdir/shl.${shlib}.ext.${_extsrc_pkg}
477			fi
478		done
479	fi
480	if [ "$module" != "no" ]; then
481		if [ -f $setdir/module.mi ]; then
482			echo $setdir/module.mi
483		fi
484		if [ -f $setdir/module.${MACHINE} ]; then
485			echo $setdir/module.${MACHINE}
486		fi
487		if [ "${MACHINE}" != "${MACHINE_ARCH}" ]; then
488			# Prefer a module.ad.${MACHINE_ARCH} over a
489			# module.ad.${MACHINE_CPU}, since the arch-
490			# specific one will be more specific than the
491			# cpu-specific one.
492			if [ -f $setdir/module.ad.${MACHINE_ARCH} ]; then
493				echo $setdir/module.ad.${MACHINE_ARCH}
494			elif [ -f $setdir/module.ad.${MACHINE_CPU} ]; then
495				echo $setdir/module.ad.${MACHINE_CPU}
496			fi
497		fi
498	fi
499
500	if [ -f $setdir/rescue.mi ]; then
501		echo $setdir/rescue.mi
502	fi
503	if [ -f $setdir/rescue.${MACHINE} ]; then
504		echo $setdir/rescue.${MACHINE}
505	fi
506	if [ "${MACHINE}" != "${MACHINE_ARCH}" ]; then
507		# Prefer a rescue.ad.${MACHINE_ARCH} over a
508		# rescue.ad.${MACHINE_CPU}, since the arch-
509		# specific one will be more specific than the
510		# cpu-specific one.
511		if [ -f $setdir/rescue.ad.${MACHINE_ARCH} ]; then
512			echo $setdir/rescue.ad.${MACHINE_ARCH}
513		elif [ -f $setdir/rescue.ad.${MACHINE_CPU} ]; then
514			echo $setdir/rescue.ad.${MACHINE_CPU}
515		fi
516		if [ "$shlib" != "no" -a \
517		     -f $setdir/rescue.ad.${MACHINE_CPU}.shl ]; then
518			echo $setdir/rescue.ad.${MACHINE_CPU}.shl
519		fi
520	fi
521}
522
523# arch_to_cpu mach
524#
525# Print the ${MACHINE_CPU} for ${MACHINE_ARCH}=mach,
526# as determined by <bsd.own.mk>.
527#
528arch_to_cpu()
529{
530	MACHINE_ARCH=${1} ${MAKE} -B -f- all <<EOMAKE
531.include <bsd.own.mk>
532all:
533	@echo \${MACHINE_CPU}
534EOMAKE
535}
536
537# arch_to_endian mach
538#
539# Print the ${TARGET_ENDIANNESS} for ${MACHINE_ARCH}=mach,
540# as determined by <bsd.endian.mk>.
541#
542arch_to_endian()
543{
544	MACHINE_ARCH=${1} ${MAKE} -B -f- all <<EOMAKE
545.include <bsd.endian.mk>
546all:
547	@echo \${TARGET_ENDIANNESS}
548EOMAKE
549}
550