sets.subr revision 1.105 
1#	$NetBSD: sets.subr,v 1.105 2009/12/10 05:15:28 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	USE_INET6	\
36	USE_KERBEROS	\
37	USE_LDAP	\
38	USE_YP		\
39	NETBSDSRCDIR	\
40	MAKEVERBOSE	\
41"
42#
43# The following variables refer to tools that are used when building sets:
44#
45: ${AWK:=awk}
46: ${CKSUM:=cksum}
47: ${COMM:=comm}
48: ${DATE:=date}
49: ${DB:=db}
50: ${EGREP:=egrep}
51: ${ENV_CMD:=env}       # ${ENV} is special to sh(1), ksh(1), etc.
52: ${FGREP:=fgrep}
53: ${FIND:=find}
54: ${GREP:=grep}
55: ${GZIP_CMD:=gzip}     # ${GZIP} is special to gzip(1)
56: ${HOSTNAME_CMD:=hostname}	# ${HOSTNAME} is special to bash(1)
57: ${HOST_SH:=sh}
58: ${IDENT:=ident}
59: ${JOIN:=join}
60: ${LS:=ls}
61: ${MAKE:=make}
62: ${MKTEMP:=mktemp}
63: ${MTREE:=mtree}
64: ${PASTE:=paste}
65: ${PAX:=pax}
66: ${PRINTF:=printf}
67: ${SED:=sed}
68: ${SORT:=sort}
69: ${STAT:=stat}
70: ${TSORT:=tsort}
71: ${UNAME:=uname}
72: ${WC:=wc}
73
74#
75# If printf is a shell builtin command, then we can
76# implement cheaper versions of basename and dirname
77# that do not involve any fork/exec overhead.
78# If printf is not builtin, approximate it using echo,
79# and hope there are no weird file names that cause
80# some versions of echo to do the wrong thing.
81# (Converting to this version of dirname speeded up the
82# syspkgdeps script by an order of magnitude, from 68
83# seconds to 6.3 seconds on one particular host.)
84#
85# Note that naive approximations for dirname
86# using ${foo%/*} do not do the right thing in cases
87# where the result should be "/" or ".".
88#
89case "$(type printf)" in
90*builtin*)
91	basename ()
92	{
93		local bn
94		bn="${1##*/}"
95		bn="${bn%$2}"
96		printf "%s\n" "$bn"
97	}
98	dirname ()
99	{
100		local dn
101		case "$1" in
102		?*/*)	dn="${1%/*}" ;;
103		/*)	dn=/ ;;
104		*)	dn=. ;;
105		esac
106		printf "%s\n" "$dn"
107	}
108	;;
109*)
110	basename ()
111	{
112		local bn
113		bn="${1##*/}"
114		bn="${bn%$2}"
115		echo "$bn"
116	}
117	dirname ()
118	{
119		local dn
120		case "$1" in
121		?*/*)	dn="${1%/*}" ;;
122		/*)	dn=/ ;;
123		*)	dn=. ;;
124		esac
125		echo "$dn"
126	}
127	;;
128esac
129
130oIFS=$IFS
131IFS="
132"
133
134for x in $(
135	${MAKE} -B -f- all <<EOMAKE
136.include <bsd.own.mk>
137all:
138	@echo "export _MKVARS_yes=\"\${_MKVARS.yes}\""
139	@echo "export _MKVARS_no=\"\${_MKVARS.no}\""
140
141EOMAKE
142); do
143	eval $x
144done
145
146for x in $(
147${MAKE} -B -f- all <<EOMAKE
148.include <bsd.own.mk>
149.if (\${MKMAN} == "no" || empty(MANINSTALL:Mmaninstall))
150MKMANPAGES=no
151.else
152MKMANPAGES=yes
153.endif
154.if \${MKX11} != "no"
155. if \${X11FLAVOUR} == "Xorg"
156MKXORG:=yes
157MKX11:=no
158. else
159MKXORG:=no
160. endif
161.endif
162all:
163.for i in MACHINE MACHINE_ARCH MACHINE_CPU \
164		HAVE_BINUTILS HAVE_GCC HAVE_GDB OBJECT_FMT TOOLCHAIN_MISSING \
165		${MKEXTRAVARS} ${_MKVARS_yes} ${_MKVARS_no}
166	@echo "export \$i=\"\${\$i}\""
167.endfor
168
169EOMAKE
170); do
171	eval $x
172done
173
174IFS=$oIFS
175
176MKVARS="$MKEXTRAVARS $_MKVARS_yes $_MKVARS_no"
177
178if [ "$SETS_SUBR_DEBUG" = "dumpmkvars" ]; then
179	for v in $MKVARS; do
180		eval echo $v=\$$v
181	done
182	exit 0
183fi
184
185#####
186
187setsdir=${0%/*}
188obsolete=0
189module=yes
190if [ "${MKKMOD}" = "no" ]; then
191	module=no			# MODULEs are off.
192elif [ "${MACHINE}" = "evbppc" ]; then
193	module=no			# Turn off MODULEs for some ports.
194fi
195# Determine lib type. Do this first so stlib also gets set.
196if [ "${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 [ "${MACHINE_ARCH}" = "m68000" ]; then
207	shlib=no			# Turn off shlibs for some ports.
208fi
209if [ "$module" != "no" ]; then
210	nlists="base comp etc games man misc modules tests text"
211else
212	nlists="base comp etc games man misc tests text"
213fi
214xlists="xbase xcomp xetc xfont xserver"
215extlists="extbase extcomp extetc"
216
217OSRELEASE=`${HOST_SH} ${NETBSDSRCDIR}/sys/conf/osrelease.sh`
218MODULEDIR="stand/${MACHINE}/${OSRELEASE}/modules"
219SUBST="s#@MODULEDIR@#${MODULEDIR}#g"
220SUBST="${SUBST};s#@OSRELEASE@#${OSRELEASE}#g"
221SUBST="${SUBST};s#@MACHINE@#${MACHINE}#g"
222
223#
224# list_set_files setfile [...]
225# 
226# Produce a packing list for setfile(s).
227# In each file, a record consists of a path and a System Package name,
228# separated by whitespace. E.g.,
229#
230# 	# $NetBSD: sets.subr,v 1.105 2009/12/10 05:15:28 uebayasi Exp $
231# 	.			base-sys-root	[keyword[,...]]
232# 	./altroot		base-sys-root
233# 	./bin			base-sys-root
234# 	./bin/[			base-util-root
235# 	./bin/cat		base-util-root
236#		[...]
237#
238# A # in the first column marks a comment.
239#
240# If ${obsolete} != 0, only entries with an "obsolete" keyword will
241# be printed.  All other keywords must be present.
242#
243# The third field is an optional comma separated list of keywords to
244# control if a record is printed; every keyword listed must be enabled
245# for the record to be printed.  The following keywords are available:
246#	dummy			dummy entry (ignored)
247#	obsolete		file is obsolete, and only printed if 
248#				${obsolete} != 0
249#
250#	bfd			obsolete, use binutils.
251#	binutils		${MKBINUTILS} != no
252#	catpages		${MKCATPAGES} != no
253#	compat			${MKCOMPAT} != no
254#	crypto			${MKCRYPTO} != no
255#	crypto_idea		${MKCRYPTO_IDEA} != no
256#	crypto_mdc2		${MKCRYPTO_MDC2} != no
257#	crypto_rc5		${MKCRYPTO_RC5} != no
258#	cvs			${MKCVS} != no
259#	debug			${MKDEBUG} != no
260#	debuglib		${MKDEBUGLIB} != no
261#	doc			${MKDOC} != no
262#	dynamicroot		${MKDYNAMICROOT} != no
263#	extsrc			${MKEXTSRC} != no
264#	gcc			${MKGCC} != no
265#	gcccmds			${MKGCCCMDS} != no
266#	gdb			${MKGDB} != no
267#	hesiod			${MKHESIOD} != no
268#	html			${MKHTML} != no
269#	inet6			${MKINET6} != no
270#	info			${MKINFO} != no
271#	ipfilter		${MKIPFILTER} != no
272#	iscsi			${MKISCSI} != no
273#	kerberos		${MKKERBEROS} != no
274#	kmod			${MKKMOD} != no
275#	ldap			${MKLDAP} != no
276#	lint			${MKLINT} != no
277#	lvm			${MKLVM} != no
278#	man			${MKMAN} != no
279#	manpages		${MKMANPAGES} != no
280#	manz			${MKMANZ} != no
281#	mdns			${MKMDNS} != no
282#	nls			${MKNLS} != no
283#	nvi			${MKNVI} != no
284#	pam			${MKPAM} != no
285#	pf			${MKPF} != no
286#	pic			${MKPIC} != no
287#	postfix			${MKPOSTFIX} != no
288#	profile			${MKPROFILE} != no
289#	share			${MKSHARE} != no
290#	skey			${MKSKEY} != no
291#	x11			${MKX11} != no && ${X11FLAVOUR} != "Xorg"
292#	xorg			${MKX11} != no && ${X11FLAVOUR} == "Xorg"
293#	yp			${MKYP} != no
294#	zfs			${MKZFS} != no
295#
296#	binutils=<n>		<n> = value of ${HAVE_BINUTILS}
297#	gcc=<n>			<n> = value of ${HAVE_GCC}
298#	gdb=<n>			<n> = value of ${HAVE_GDB}
299#
300#	use_inet6		${USE_INET6} != no
301#	use_kerberos		${USE_KERBEROS} != no
302#	use_yp			${USE_YP} != no
303#
304#	.cat			if ${MKMANZ} != "no" && ${MKCATPAGES} != "no"
305#				  automatically append ".gz" to the filename
306#
307#	.man			if ${MKMANZ} != "no" && ${MKMAN} != "no"
308#				  automatically append ".gz" to the filename
309#
310list_set_files()
311{
312	if [ ${MAKEVERBOSE:-2} -lt 3 ]; then
313		verbose=false
314	else
315		verbose=true
316	fi
317	for setname; do
318		list=`list_set_lists $setname`
319		for l in $list; do
320			echo $l
321			if $verbose; then
322				echo >&2 "DEBUG: list_set_files: $l"
323			fi
324		done
325	done | xargs cat | ${SED} ${SUBST} | \
326	${AWK} -v obsolete=${obsolete} '
327		BEGIN {
328			if (obsolete)
329				wanted["obsolete"] = 1
330		
331			split("'"${MKVARS}"'", needvars)
332			for (vi in needvars) {
333				nv = needvars[vi]
334				kw = tolower(nv)
335				sub(/^mk/, "", kw)
336				if (ENVIRON[nv] != "no")
337					wanted[kw] = 1 
338			}
339
340			if ("'"${TOOLCHAIN_MISSING}"'" != "yes") {
341				if ("binutils" in wanted)
342					wanted["binutils=" "'"${HAVE_BINUTILS}"'"] = 1
343				if ("gcc" in wanted)
344					wanted["gcc=" "'"${HAVE_GCC}"'"] = 1
345				if ("gdb" in wanted)
346					wanted["gdb=" "'"${HAVE_GDB}"'"] = 1
347			}
348			if (("man" in wanted) && ("catpages" in wanted))
349				wanted[".cat"] = 1
350			if (("man" in wanted) && ("manpages" in wanted))
351				wanted[".man"] = 1
352		}
353
354		/^#/ {
355			next;
356		}
357
358		NF > 2 && $3 != "-" {
359			split($3, keywords, ",")
360			show = 1
361			haveobs = 0
362			for (ki in keywords) {
363				kw = keywords[ki]
364				if (("manz" in wanted) &&
365				    (kw == ".cat" || kw == ".man"))
366					$1 = $1 ".gz"
367				negated = match(kw, "! *")
368				if (negated > 0) {
369					kw = substr(kw, RSTART + RLENGTH)
370					if (kw in wanted)
371						show = 0
372				} else {
373					if (! (kw in wanted))
374						show = 0
375				}
376				if (kw == "obsolete")
377					haveobs = 1
378			}
379			if (obsolete && ! haveobs)
380				next
381			if (show)
382				print
383			next
384		}
385
386		{
387			if (! obsolete)
388				print
389		}'
390
391}
392
393#
394# list_set_lists setname
395# 
396# Print to stdout a list of files, one filename per line, which
397# concatenate to create the packing list for setname. E.g.,
398#
399# 	.../lists/base/mi
400# 	.../lists/base/rescue.mi
401# 	.../lists/base/md.i386
402#		[...]
403#
404# For a given setname $set, the following files may be selected from
405# .../list/$set:
406#	mi
407#	mi.ext.*
408#	ad.${MACHINE_ARCH}
409# (or)	ad.${MACHINE_CPU}
410#	ad.${MACHINE_CPU}.shl
411#	md.${MACHINE}.${MACHINE_ARCH}
412# (or)	md.${MACHINE}
413#	stl.mi
414#	stl.${stlib}
415#	shl.mi
416#	shl.mi.ext.*
417#	shl.${shlib}
418#	shl.${shlib}.ext.*
419#	module.mi			if ${module} != no
420#	module.${MACHINE}		if ${module} != no
421#	module.ad.${MACHINE_ARCH}	if ${module} != no
422# (or)	module.ad.${MACHINE_CPU}	if ${module} != no
423#	rescue.shl
424#	rescue.${MACHINE}
425#	rescue.ad.${MACHINE_ARCH}
426# (or)	rescue.ad.${MACHINE_CPU}
427# 	rescue.ad.${MACHINE_CPU}.shl
428#
429# Environment:
430# 	shlib
431# 	stlib
432#
433list_set_lists()
434{
435	setname=$1
436
437	setdir=$setsdir/lists/$setname
438	echo $setdir/mi
439	for _extsrc_pkg in ${EXTSRCS}; do
440		if [ -f $setdir/mi.ext.${_extsrc_pkg} ]; then
441			echo $setdir/mi.ext.${_extsrc_pkg}
442		fi
443	done
444	if [ "${MACHINE}" != "${MACHINE_ARCH}" ]; then
445		# Prefer an ad.${MACHINE_ARCH} over an ad.${MACHINE_CPU},
446		# since the arch-specific one will be more specific than
447		# the cpu-specific one.
448		if [ -f $setdir/ad.${MACHINE_ARCH} ]; then
449			echo $setdir/ad.${MACHINE_ARCH}
450		elif [ -f $setdir/ad.${MACHINE_CPU} ]; then
451			echo $setdir/ad.${MACHINE_CPU}
452		fi
453		if [ "$shlib" != "no" -a \
454		     -f $setdir/ad.${MACHINE_CPU}.shl ]; then
455			echo $setdir/ad.${MACHINE_CPU}.shl
456		fi
457	fi
458	if [ -f $setdir/md.${MACHINE}.${MACHINE_ARCH} ]; then
459		echo $setdir/md.${MACHINE}.${MACHINE_ARCH}
460	elif [ -f $setdir/md.${MACHINE} ]; then
461		echo $setdir/md.${MACHINE}
462	fi
463	if [ -f $setdir/stl.mi ]; then
464		echo $setdir/stl.mi
465	fi
466	if [ -f $setdir/stl.${stlib} ]; then
467		echo $setdir/stl.${stlib}
468	fi
469	if [ "$shlib" != "no" ]; then
470		if [ -f $setdir/shl.mi ]; then
471			echo $setdir/shl.mi
472		fi
473		for _extsrc_pkg in ${EXTSRCS}; do
474			if [ -f $setdir/shl.mi.ext.${_extsrc_pkg} ]; then
475				echo $setdir/shl.mi.ext.${_extsrc_pkg}
476			fi
477		done
478		if [ -f $setdir/shl.${shlib} ]; then
479			echo $setdir/shl.${shlib}
480		fi
481		for _extsrc_pkg in ${EXTSRCS}; do
482			if [ -f $setdir/shl.${shlib}.ext.${_extsrc_pkg} ]; then
483				echo $setdir/shl.${shlib}.ext.${_extsrc_pkg}
484			fi
485		done
486	fi
487	if [ "$module" != "no" ]; then
488		if [ -f $setdir/module.mi ]; then
489			echo $setdir/module.mi
490		fi
491		if [ -f $setdir/module.${MACHINE} ]; then
492			echo $setdir/module.${MACHINE}
493		fi
494		if [ "${MACHINE}" != "${MACHINE_ARCH}" ]; then
495			# Prefer a module.ad.${MACHINE_ARCH} over a
496			# module.ad.${MACHINE_CPU}, since the arch-
497			# specific one will be more specific than the
498			# cpu-specific one.
499			if [ -f $setdir/module.ad.${MACHINE_ARCH} ]; then
500				echo $setdir/module.ad.${MACHINE_ARCH}
501			elif [ -f $setdir/module.ad.${MACHINE_CPU} ]; then
502				echo $setdir/module.ad.${MACHINE_CPU}
503			fi
504		fi
505	fi
506
507	if [ -f $setdir/rescue.mi ]; then
508		echo $setdir/rescue.mi
509	fi
510	if [ -f $setdir/rescue.${MACHINE} ]; then
511		echo $setdir/rescue.${MACHINE}
512	fi
513	if [ "${MACHINE}" != "${MACHINE_ARCH}" ]; then
514		# Prefer a rescue.ad.${MACHINE_ARCH} over a
515		# rescue.ad.${MACHINE_CPU}, since the arch-
516		# specific one will be more specific than the
517		# cpu-specific one.
518		if [ -f $setdir/rescue.ad.${MACHINE_ARCH} ]; then
519			echo $setdir/rescue.ad.${MACHINE_ARCH}
520		elif [ -f $setdir/rescue.ad.${MACHINE_CPU} ]; then
521			echo $setdir/rescue.ad.${MACHINE_CPU}
522		fi
523		if [ "$shlib" != "no" -a \
524		     -f $setdir/rescue.ad.${MACHINE_CPU}.shl ]; then
525			echo $setdir/rescue.ad.${MACHINE_CPU}.shl
526		fi
527	fi
528}
529
530# arch_to_cpu mach
531#
532# Print the ${MACHINE_CPU} for ${MACHINE_ARCH}=mach,
533# as determined by <bsd.own.mk>.
534#
535arch_to_cpu()
536{
537	MACHINE_ARCH=${1} ${MAKE} -B -f- all <<EOMAKE
538.include <bsd.own.mk>
539all:
540	@echo \${MACHINE_CPU}
541EOMAKE
542}
543
544# arch_to_endian mach
545#
546# Print the ${TARGET_ENDIANNESS} for ${MACHINE_ARCH}=mach,
547# as determined by <bsd.endian.mk>.
548#
549arch_to_endian()
550{
551	MACHINE_ARCH=${1} ${MAKE} -B -f- all <<EOMAKE
552.include <bsd.endian.mk>
553all:
554	@echo \${TARGET_ENDIANNESS}
555EOMAKE
556}
557