sets.subr revision 1.87 
1#	$NetBSD: sets.subr,v 1.87 2009/09/08 07:08:00 skrll 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#	module			if != "no", enable MODULE 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_BINUTILS
19#	HAVE_GCC
20#	HAVE_GDB
21#	TOOLCHAIN_MISSING
22#	OBJECT_FMT
23# as well as:
24#
25MKVARS="\
26	MKBFD		\
27	MKBINUTILS	\
28	MKCATPAGES	\
29	MKCOMPAT	\
30	MKCRYPTO	\
31	MKCRYPTO_IDEA	\
32	MKCRYPTO_MDC2	\
33	MKCRYPTO_RC5	\
34	MKCVS		\
35	MKDEBUG		\
36	MKDEBUGLIB	\
37	MKDOC		\
38	MKDYNAMICROOT	\
39	MKGCC		\
40	MKGCCCMDS	\
41	MKGDB		\
42	MKHESIOD	\
43	MKHTML		\
44	MKINET6		\
45	MKINFO		\
46	MKIPFILTER	\
47	MKISCSI		\
48	MKKERBEROS	\
49	MKKMOD		\
50	MKLDAP		\
51	MKLINT		\
52	MKLVM		\
53	MKMAN		\
54	MKMANPAGES	\
55	MKMANZ		\
56	MKNLS		\
57	MKNVI		\
58	MKPAM		\
59	MKPF		\
60	MKPIC		\
61	MKPOSTFIX	\
62	MKPROFILE	\
63	MKSHARE		\
64	MKSKEY		\
65	MKX11		\
66	MKX11FONTS	\
67	MKXORG		\
68	MKYP		\
69	USE_INET6	\
70	USE_KERBEROS	\
71	USE_LDAP	\
72	USE_YP		\
73	NETBSDSRCDIR	\
74	MAKEVERBOSE	\
75"
76#
77# The following variables refer to tools that are used when building sets:
78#
79: ${AWK:=awk}
80: ${CKSUM:=cksum}
81: ${COMM:=comm}
82: ${DATE:=date}
83: ${DB:=db}
84: ${EGREP:=egrep}
85: ${ENV_CMD:=env}       # ${ENV} is special to sh(1), ksh(1), etc.
86: ${FGREP:=fgrep}
87: ${FIND:=find}
88: ${GREP:=grep}
89: ${GZIP_CMD:=gzip}     # ${GZIP} is special to gzip(1)
90: ${HOSTNAME:=hostname}
91: ${HOST_SH:=sh}
92: ${IDENT:=ident}
93: ${JOIN:=join}
94: ${LS:=ls}
95: ${MAKE:=make}
96: ${MKTEMP:=mktemp}
97: ${MTREE:=mtree}
98: ${PASTE:=paste}
99: ${PAX:=pax}
100: ${PKG_CREATE:=pkg_create}
101: ${PRINTF:=printf}
102: ${SED:=sed}
103: ${SORT:=sort}
104: ${STAT:=stat}
105: ${TSORT:=tsort}
106: ${UNAME:=uname}
107: ${WC:=wc}
108
109#
110# If printf is a shell builtin command, then we can
111# implement cheaper versions of basename and dirname
112# that do not involve any fork/exec overhead.
113# If printf is not builtin, approximate it using echo,
114# and hope there are no weird file names that cause
115# some versions of echo to do the wrong thing.
116# (Converting to this version of dirname speeded up the
117# syspkgdeps script by an order of magnitude, from 68
118# seconds to 6.3 seconds on one particular host.)
119#
120# Note that naive approximations for dirname
121# using ${foo%/*} do not do the right thing in cases
122# where the result should be "/" or ".".
123#
124case "$(type printf)" in
125*builtin*)
126	basename ()
127	{
128		local bn
129		bn="${1##*/}"
130		bn="${bn%$2}"
131		printf "%s\n" "$bn"
132	}
133	dirname ()
134	{
135		local dn
136		case "$1" in
137		?*/*)	dn="${1%/*}" ;;
138		/*)	dn=/ ;;
139		*)	dn=. ;;
140		esac
141		printf "%s\n" "$dn"
142	}
143	;;
144*)
145	basename ()
146	{
147		local bn
148		bn="${1##*/}"
149		bn="${bn%$2}"
150		echo "$bn"
151	}
152	dirname ()
153	{
154		local dn
155		case "$1" in
156		?*/*)	dn="${1%/*}" ;;
157		/*)	dn=/ ;;
158		*)	dn=. ;;
159		esac
160		echo "$dn"
161	}
162	;;
163esac
164
165oIFS=$IFS
166IFS="
167"
168for x in $(
169${MAKE} -B -f- all <<EOMAKE
170.include <bsd.own.mk>
171.if (\${MKMAN} == "no" || empty(MANINSTALL:Mmaninstall))
172MKMANPAGES=no
173.else
174MKMANPAGES=yes
175.endif
176.if \${MKX11} != "no"
177. if \${X11FLAVOUR} == "Xorg"
178MKXORG:=yes
179MKX11:=no
180. else
181MKXORG:=no
182. endif
183.endif
184all:
185.for i in MACHINE MACHINE_ARCH MACHINE_CPU \
186		HAVE_BINUTILS HAVE_GCC HAVE_GDB OBJECT_FMT TOOLCHAIN_MISSING \
187		${MKVARS}
188	@echo "export \$i=\${\$i}"
189.endfor
190
191EOMAKE
192); do
193#	echo 1>&2 "DEBUG: read $x"
194	eval $x
195done
196IFS=$oIFS
197
198setsdir=${0%/*}
199obsolete=0
200module=yes
201if [ "${MACHINE}" = "evbppc" ]; then
202	module=no			# Turn off MODULEs for some ports.
203fi
204# Determine lib type. Do this first so stlib also gets set.
205if [ "${OBJECT_FMT}" = "ELF" ]; then
206	shlib=elf
207else
208	shlib=aout
209fi
210stlib=$shlib
211# Now check for MKPIC or specials and turn off shlib if need be.
212if [ "${MKPIC}" = "no" ]; then
213	shlib=no
214fi
215if [ "${MACHINE_ARCH}" = "m68000" ]; then
216	shlib=no			# Turn off shlibs for some ports.
217fi
218if [ "$module" != "no" ]; then
219	nlists="base comp etc games man misc modules tests text"
220else
221	nlists="base comp etc games man misc tests text"
222fi
223xlists="xbase xcomp xetc xfont xserver"
224
225OSRELEASE=`${HOST_SH} ${NETBSDSRCDIR}/sys/conf/osrelease.sh`
226MODULEDIR="stand/${MACHINE}/${OSRELEASE}/modules"
227SUBST="s#@MODULEDIR@#${MODULEDIR}#g"
228SUBST="${SUBST};s#@OSRELEASE@#${OSRELEASE}#g"
229SUBST="${SUBST};s#@MACHINE@#${MACHINE}#g"
230
231#
232# list_set_files setfile [...]
233# 
234# Produce a packing list for setfile(s).
235# In each file, a record consists of a path and a System Package name,
236# separated by whitespace. E.g.,
237#
238# 	# $NetBSD: sets.subr,v 1.87 2009/09/08 07:08:00 skrll Exp $
239# 	.			base-sys-root	[keyword[,...]]
240# 	./altroot		base-sys-root
241# 	./bin			base-sys-root
242# 	./bin/[			base-util-root
243# 	./bin/cat		base-util-root
244#		[...]
245#
246# A # in the first column marks a comment.
247#
248# If ${obsolete} != 0, only entries with an "obsolete" keyword will
249# be printed.  All other keywords must be present.
250#
251# The third field is an optional comma separated list of keywords to
252# control if a record is printed; every keyword listed must be enabled
253# for the record to be printed.  The following keywords are available:
254#	dummy			dummy entry (ignored)
255#	obsolete		file is obsolete, and only printed if 
256#				${obsolete} != 0
257#
258#	bfd			obsolete, use binutils.
259#	binutils		${MKBINUTILS} != no
260#	catpages		${MKCATPAGES} != no
261#	compat			${MKCOMPAT} != no
262#	crypto			${MKCRYPTO} != no
263#	crypto_idea		${MKCRYPTO_IDEA} != no
264#	crypto_mdc2		${MKCRYPTO_MDC2} != no
265#	crypto_rc5		${MKCRYPTO_RC5} != no
266#	cvs			${MKCVS} != no
267#	debug			${MKDEBUG} != no
268#	debuglib		${MKDEBUGLIB} != no
269#	doc			${MKDOC} != no
270#	dynamicroot		${MKDYNAMICROOT} != no
271#	gcc			${MKGCC} != no
272#	gcccmds			${MKGCCCMDS} != no
273#	gdb			${MKGDB} != no
274#	hesiod			${MKHESIOD} != no
275#	html			${MKHTML} != no
276#	inet6			${MKINET6} != no
277#	info			${MKINFO} != no
278#	ipfilter		${MKIPFILTER} != no
279#	iscsi			${MKISCSI} != no
280#	kerberos		${MKKERBEROS} != no
281#	kmod			${MKKMOD} != no
282#	ldap			${MKLDAP} != no
283#	lint			${MKLINT} != no
284#	lvm			${MKLVM} != no
285#	man			${MKMAN} != no
286#	manpages		${MKMANPAGES} != no
287#	manz			${MKMANZ} != no
288#	nls			${MKNLS} != no
289#	nvi			${MKNVI} != no
290#	pam			${MKPAM} != no
291#	pf			${MKPF} != no
292#	pic			${MKPIC} != no
293#	postfix			${MKPOSTFIX} != no
294#	profile			${MKPROFILE} != no
295#	share			${MKSHARE} != no
296#	skey			${MKSKEY} != no
297#	x11			${MKX11} != no && ${X11FLAVOUR} != "Xorg"
298#	xorg			${MKX11} != no && ${X11FLAVOUR} == "Xorg"
299#	yp			${MKYP} != no
300#
301#	binutils=<n>		<n> = value of ${HAVE_BINUTILS}
302#	gcc=<n>			<n> = value of ${HAVE_GCC}
303#	gdb=<n>			<n> = value of ${HAVE_GDB}
304#
305#	use_inet6		${USE_INET6} != no
306#	use_kerberos		${USE_KERBEROS} != no
307#	use_yp			${USE_YP} != no
308#
309#	.cat			if ${MKMANZ} != "no" && ${MKCATPAGES} != "no"
310#				  automatically append ".gz" to the filename
311#
312#	.man			if ${MKMANZ} != "no" && ${MKMAN} != "no"
313#				  automatically append ".gz" to the filename
314#
315list_set_files()
316{
317	if [ ${MAKEVERBOSE:-2} -lt 3 ]; then
318		verbose=false
319	else
320		verbose=true
321	fi
322	for setname; do
323		list=`list_set_lists $setname`
324		for l in $list; do
325			echo $l
326			if $verbose; then
327				echo >&2 "DEBUG: list_set_files: $l"
328			fi
329		done
330	done | xargs cat | ${SED} ${SUBST} | \
331	${AWK} -v obsolete=${obsolete} '
332		BEGIN {
333			if (obsolete)
334				wanted["obsolete"] = 1
335		
336			split("'"${MKVARS}"'", needvars)
337			for (vi in needvars) {
338				nv = needvars[vi]
339				kw = tolower(nv)
340				sub(/^mk/, "", kw)
341				if (ENVIRON[nv] != "no")
342					wanted[kw] = 1 
343			}
344
345			if ("'"${TOOLCHAIN_MISSING}"'" != "yes") {
346				wanted["binutils=" "'"${HAVE_BINUTILS}"'"] = 1
347				wanted["gcc=" "'"${HAVE_GCC}"'"] = 1
348				wanted["gdb=" "'"${HAVE_GDB}"'"] = 1
349			}
350			if (("man" in wanted) && ("catpages" in wanted))
351				wanted[".cat"] = 1
352			if (("man" in wanted) && ("manpages" in wanted))
353				wanted[".man"] = 1
354		}
355
356		/^#/ {
357			next;
358		}
359
360		NF > 2 && $3 != "-" {
361			split($3, keywords, ",")
362			show = 1
363			haveobs = 0
364			for (ki in keywords) {
365				kw = keywords[ki]
366				if (("manz" in wanted) &&
367				    (kw == ".cat" || kw == ".man"))
368					$1 = $1 ".gz"
369				negated = match(kw, "! *")
370				if (negated > 0) {
371					kw = substr(kw, RSTART + RLENGTH)
372					if (kw in wanted)
373						show = 0
374				} else {
375					if (! (kw in wanted))
376						show = 0
377				}
378				if (kw == "obsolete")
379					haveobs = 1
380			}
381			if (obsolete && ! haveobs)
382				next
383			if (show)
384				print
385			next
386		}
387
388		{
389			if (! obsolete)
390				print
391		}'
392
393}
394
395#
396# list_set_lists setname
397# 
398# Print to stdout a list of files, one filename per line, which
399# concatenate to create the packing list for setname. E.g.,
400#
401# 	.../lists/base/mi
402# 	.../lists/base/rescue.mi
403# 	.../lists/base/md.i386
404#		[...]
405#
406# For a given setname $set, the following files may be selected from
407# .../list/$set:
408#	mi
409#	ad.${MACHINE_ARCH}
410# (or)	ad.${MACHINE_CPU}
411#	ad.${MACHINE_CPU}.shl
412#	md.${MACHINE}.${MACHINE_ARCH}
413# (or)	md.${MACHINE}
414#	stl.mi
415#	stl.stlib
416#	shl.mi
417#	shl.shlib
418#	module.mi			if ${module} != no
419#	module.${MACHINE}		if ${module} != no
420#	module.ad.${MACHINE_ARCH}	if ${module} != no
421# (or)	module.ad.${MACHINE_CPU}	if ${module} != no
422#	rescue.shl
423#	rescue.${MACHINE}
424#	rescue.ad.${MACHINE_ARCH}
425# (or)	rescue.ad.${MACHINE_CPU}
426# 	rescue.ad.${MACHINE_CPU}.shl
427#
428# Environment:
429# 	shlib
430# 	stlib
431#
432list_set_lists()
433{
434	setname=$1
435
436	setdir=$setsdir/lists/$setname
437	echo $setdir/mi
438	if [ "${MACHINE}" != "${MACHINE_ARCH}" ]; then
439		# Prefer an ad.${MACHINE_ARCH} over an ad.${MACHINE_CPU},
440		# since the arch-specific one will be more specific than
441		# the cpu-specific one.
442		if [ -f $setdir/ad.${MACHINE_ARCH} ]; then
443			echo $setdir/ad.${MACHINE_ARCH}
444		elif [ -f $setdir/ad.${MACHINE_CPU} ]; then
445			echo $setdir/ad.${MACHINE_CPU}
446		fi
447		if [ "$shlib" != "no" -a \
448		     -f $setdir/ad.${MACHINE_CPU}.shl ]; then
449			echo $setdir/ad.${MACHINE_CPU}.shl
450		fi
451	fi
452	if [ -f $setdir/md.${MACHINE}.${MACHINE_ARCH} ]; then
453		echo $setdir/md.${MACHINE}.${MACHINE_ARCH}
454	elif [ -f $setdir/md.${MACHINE} ]; then
455		echo $setdir/md.${MACHINE}
456	fi
457	if [ -f $setdir/stl.mi ]; then
458		echo $setdir/stl.mi
459	fi
460	if [ -f $setdir/stl.${stlib} ]; then
461		echo $setdir/stl.${stlib}
462	fi
463	if [ "$shlib" != "no" ]; then
464		if [ -f $setdir/shl.mi ]; then
465			echo $setdir/shl.mi
466		fi
467		if [ -f $setdir/shl.${shlib} ]; then
468			echo $setdir/shl.${shlib}
469		fi
470	fi
471	if [ "$module" != "no" ]; then
472		if [ -f $setdir/module.mi ]; then
473			echo $setdir/module.mi
474		fi
475		if [ -f $setdir/module.${MACHINE} ]; then
476			echo $setdir/module.${MACHINE}
477		fi
478		if [ "${MACHINE}" != "${MACHINE_ARCH}" ]; then
479			# Prefer a module.ad.${MACHINE_ARCH} over a
480			# module.ad.${MACHINE_CPU}, since the arch-
481			# specific one will be more specific than the
482			# cpu-specific one.
483			if [ -f $setdir/module.ad.${MACHINE_ARCH} ]; then
484				echo $setdir/module.ad.${MACHINE_ARCH}
485			elif [ -f $setdir/module.ad.${MACHINE_CPU} ]; then
486				echo $setdir/module.ad.${MACHINE_CPU}
487			fi
488		fi
489	fi
490
491	if [ -f $setdir/rescue.mi ]; then
492		echo $setdir/rescue.mi
493	fi
494	if [ -f $setdir/rescue.${MACHINE} ]; then
495		echo $setdir/rescue.${MACHINE}
496	fi
497	if [ "${MACHINE}" != "${MACHINE_ARCH}" ]; then
498		# Prefer a rescue.ad.${MACHINE_ARCH} over a
499		# rescue.ad.${MACHINE_CPU}, since the arch-
500		# specific one will be more specific than the
501		# cpu-specific one.
502		if [ -f $setdir/rescue.ad.${MACHINE_ARCH} ]; then
503			echo $setdir/rescue.ad.${MACHINE_ARCH}
504		elif [ -f $setdir/rescue.ad.${MACHINE_CPU} ]; then
505			echo $setdir/rescue.ad.${MACHINE_CPU}
506		fi
507		if [ "$shlib" != "no" -a \
508		     -f $setdir/rescue.ad.${MACHINE_CPU}.shl ]; then
509			echo $setdir/rescue.ad.${MACHINE_CPU}.shl
510		fi
511	fi
512}
513
514# arch_to_cpu mach
515#
516# Print the ${MACHINE_CPU} for ${MACHINE_ARCH}=mach,
517# as determined by <bsd.own.mk>.
518#
519arch_to_cpu()
520{
521	MACHINE_ARCH=${1} ${MAKE} -B -f- all <<EOMAKE
522.include <bsd.own.mk>
523all:
524	@echo \${MACHINE_CPU}
525EOMAKE
526}
527
528# arch_to_endian mach
529#
530# Print the ${TARGET_ENDIANNESS} for ${MACHINE_ARCH}=mach,
531# as determined by <bsd.endian.mk>.
532#
533arch_to_endian()
534{
535	MACHINE_ARCH=${1} ${MAKE} -B -f- all <<EOMAKE
536.include <bsd.endian.mk>
537all:
538	@echo \${TARGET_ENDIANNESS}
539EOMAKE
540}
541