sets.subr revision 1.53 
1#	$NetBSD: sets.subr,v 1.53 2006/07/23 11:41:24 lukem 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	MKMAN		\
49	MKMANPAGES	\
50	MKMANZ		\
51	MKNLS		\
52	MKPAM		\
53	MKPF		\
54	MKPIC		\
55	MKPOSTFIX	\
56	MKPROFILE	\
57	MKSENDMAIL	\
58	MKSHARE		\
59	MKSKEY		\
60	MKUUCP		\
61	MKX11		\
62	MKYP		\
63	USE_INET6	\
64	USE_KERBEROS	\
65	USE_YP		\
66"
67#
68# The following variables refer to tools that are used when building sets:
69#
70: ${AWK:=awk}
71: ${CKSUM:=cksum}
72: ${COMM:=comm}
73: ${DATE:=date}
74: ${DB:=db}
75: ${EGREP:=egrep}
76: ${ENV_CMD:=env}       # ${ENV} is special to sh(1), ksh(1), etc.
77: ${FGREP:=fgrep}
78: ${FIND:=find}
79: ${GREP:=grep}
80: ${GZIP_CMD:=gzip}     # ${GZIP} is special to gzip(1)
81: ${HOSTNAME:=hostname}
82: ${HOST_SH:=sh}
83: ${IDENT:=ident}
84: ${JOIN:=join}
85: ${LS:=ls}
86: ${MAKE:=make}
87: ${MKTEMP:=mktemp}
88: ${MTREE:=mtree}
89: ${PASTE:=paste}
90: ${PAX:=pax}
91: ${PKG_CREATE:=pkg_create}
92: ${PRINTF:=printf}
93: ${SED:=sed}
94: ${SORT:=sort}
95: ${STAT:=stat}
96: ${TSORT:=tsort}
97: ${UNAME:=uname}
98: ${WC:=wc}
99
100#
101# If printf is a shell builtin command, then we can
102# implement cheaper versions of basename and dirname
103# that do not involve any fork/exec overhead.
104# If printf is not builtin, approximate it using echo,
105# and hope there are no weird file names that cause
106# some versions of echo to do the wrong thing.
107# (Converting to this version of dirname speeded up the
108# syspkgdeps script by an order of magnitude, from 68
109# seconds to 6.3 seconds on one particular host.)
110#
111# Note that naive approximations for dirname
112# using ${foo%/*} do not do the right thing in cases
113# where the result should be "/" or ".".
114#
115case "$(type printf)" in
116*builtin*)
117	basename ()
118	{
119		local bn
120		bn="${1##*/}"
121		bn="${bn%$2}"
122		printf "%s\n" "$bn"
123	}
124	dirname ()
125	{
126		local dn
127		case "$1" in
128		?*/*)	dn="${1%/*}" ;;
129		/*)	dn=/ ;;
130		*)	dn=. ;;
131		esac
132		printf "%s\n" "$dn"
133	}
134	;;
135*)
136	basename ()
137	{
138		local bn
139		bn="${1##*/}"
140		bn="${bn%$2}"
141		echo "$bn"
142	}
143	dirname ()
144	{
145		local dn
146		case "$1" in
147		?*/*)	dn="${1%/*}" ;;
148		/*)	dn=/ ;;
149		*)	dn=. ;;
150		esac
151		echo "$dn"
152	}
153	;;
154esac
155
156oIFS=$IFS
157IFS="
158"
159for x in $(
160${MAKE} -B -f- all <<EOMAKE
161.include <bsd.own.mk>
162.if (\${MKMAN} == "no" || empty(MANINSTALL:Mmaninstall))
163MKMANPAGES=no
164.else
165MKMANPAGES=yes
166.endif
167all:
168.for i in MACHINE MACHINE_ARCH MACHINE_CPU \
169		HAVE_GCC HAVE_GDB OBJECT_FMT TOOLCHAIN_MISSING \
170		${MKVARS}
171	@echo "export \$i=\${\$i}"
172.endfor
173.if (\${MKX11:Uno} != "no")
174	@echo x11_version=""
175.else
176	@echo x11_version=4
177.endif
178
179EOMAKE
180); do
181#	echo 1>&2 "DEBUG: read $x"
182	eval $x
183done
184IFS=$oIFS
185
186setsdir=${0%/*}
187nlists="base comp etc games man misc text"
188case $x11_version in
1893)	xlists="xbase3 xcomp3 xcontrib3 xfont3 xmisc3 xserver3" ;;
1904)	xlists="xbase4 xcomp4 xcontrib4 xfont4 xmisc4 xserver4" ;;
191"")	xlists="xbase xcomp xetc xfont xserver" ;;
192*)	xlists="" ;;	# unknown!
193esac
194obsolete=0
195lkm=yes
196if [ "${MACHINE}" = "evbppc" ]; then
197	lkm=no				# Turn off LKMs for some ports.
198fi
199# Determine lib type. Do this first so stlib also gets set.
200if [ "${OBJECT_FMT}" = "ELF" ]; then
201	shlib=elf
202else
203	shlib=aout
204fi
205stlib=$shlib
206# Now check for MKPIC or specials and turn off shlib if need be.
207if [ "${MKPIC}" = "no" ]; then
208	shlib=no
209fi
210if [ "${MACHINE_ARCH}" = "m68000" ]; then
211	shlib=no			# Turn off shlibs for some ports.
212fi
213
214#
215# list_set_files setfile [...]
216# 
217# Produce a packing list for setfile(s).
218# In each file, a record consists of a path and a System Package name,
219# separated by whitespace. E.g.,
220#
221# 	# $NetBSD: sets.subr,v 1.53 2006/07/23 11:41:24 lukem Exp $
222# 	.			base-sys-root	[keyword[,...]]
223# 	./altroot		base-sys-root
224# 	./bin			base-sys-root
225# 	./bin/[			base-util-root
226# 	./bin/cat		base-util-root
227#		[...]
228#
229# A # in the first column marks a comment.
230#
231# If ${obsolete} != 0, only entries with an "obsolete" keyword will
232# be printed.  All other keywords must be present.
233#
234# The third field is an optional comma separated list of keywords to
235# control if a record is printed; every keyword listed must be enabled
236# for the record to be printed.  The following keywords are available:
237#	dummy			dummy entry (ignored)
238#	obsolete		file is obsolete, and only printed if 
239#				${obsolete} != 0
240#
241#	bfd			${MKBFD} != no
242#	catpages		${MKCATPAGES} != no
243#	crypto			${MKCRYPTO} != no
244#	crypto_idea		${MKCRYPTO_IDEA} != no
245#	crypto_mdc2		${MKCRYPTO_MDC2} != no
246#	crypto_rc5		${MKCRYPTO_RC5} != no
247#	cvs			${MKCVS} != no
248#	debug			${MKDEBUG} != no
249#	doc			${MKDOC} != no
250#	gcc			${MKGCC} != no
251#	gcccmds			${MKGCCCMDS} != no
252#	gdb			${MKGDB} != no
253#	hesiod			${MKHESIOD} != no
254#	info			${MKINFO} != no
255#	ipfilter		${MKIPFILTER} != no
256#	inet6			${MKINET6} != no
257#	iscsi			${MKISCSI} != no
258#	kerberos		${MKKERBEROS} != no
259#	lint			${MKLINT} != no
260#	man			${MKMAN} != no
261#	manz			${MKMANZ} != no
262#	nls			${MKNLS} != no
263#	pam			${MKPAM} != no
264#	pf			${MKPF} != no
265#	postfix			${MKPOSTFIX} != no
266#	profile			${MKPROFILE} != no
267#	sendmail		${MKSENDMAIL} != no
268#	share			${MKSHARE} != no
269#	skey			${MKSKEY} != no
270#	uucp			${MKUUCP} != no
271#	yp			${MKYP} != no
272#
273#	gcc=<n>			<n> = value of ${HAVE_GCC}
274#	gdb=<n>			<n> = value of ${HAVE_GDB}
275#
276#	use_inet6		${USE_INET6} != no
277#	use_kerberos		${USE_KERBEROS} != no
278#	use_yp			${USE_YP} != no
279#
280#	.cat			if ${MKMANZ} != "no" && ${MKCATPAGES} != "no"
281#				  automatically append ".gz" to the filename
282#
283#	.man			if ${MKMANZ} != "no" && ${MKMAN} != "no"
284#				  automatically append ".gz" to the filename
285#
286list_set_files()
287{
288	for setname; do
289		list_set_lists $setname
290	done | xargs cat | \
291	${AWK} -v obsolete=${obsolete} '
292		BEGIN {
293			if (obsolete)
294				wanted["obsolete"] = 1
295		
296			split("'"${MKVARS}"'", needvars)
297			for (vi in needvars) {
298				nv = needvars[vi]
299				kw = tolower(nv)
300				sub(/^mk/, "", kw)
301				if (ENVIRON[nv] != "no")
302					wanted[kw] = 1 
303			}
304
305			if ("'"${TOOLCHAIN_MISSING}"'" != "yes") {
306				wanted["gcc=" "'"${HAVE_GCC}"'"] = 1
307				wanted["gdb=" "'"${HAVE_GDB}"'"] = 1
308			}
309			if (("man" in wanted) && ("catpages" in wanted))
310				wanted[".cat"] = 1
311			if (("man" in wanted) && ("manpages" in wanted))
312				wanted[".man"] = 1
313		}
314
315		/^#/ {
316			next;
317		}
318
319		NF > 2 && $3 != "-" {
320			split($3, keywords, ",")
321			show = 1
322			haveobs = 0
323			for (ki in keywords) {
324				kw = keywords[ki]
325				if (("manz" in wanted) &&
326				    (kw == ".cat" || kw == ".man"))
327					$1 = $1 ".gz"
328				if (! (kw in wanted))
329					show = 0
330				if (kw == "obsolete")
331					haveobs = 1
332			}
333			if (obsolete && ! haveobs)
334				next
335			if (show)
336				print
337			next
338		}
339
340		{
341			if (! obsolete)
342				print
343		}'
344
345}
346
347#
348# list_set_lists setname
349# 
350# Print to stdout a list of files, one filename per line, which
351# concatenate to create the packing list for setname. E.g.,
352#
353# 	.../lists/base/mi
354# 	.../lists/base/rescue.mi
355# 	.../lists/base/md.i386
356#		[...]
357#
358# For a given setname $set, the following files may be selected from
359# .../list/$set:
360#	mi
361#	ad.${MACHINE_ARCH}
362# (or)	ad.${MACHINE_CPU}
363#	ad.${MACHINE_CPU}.shl
364#	md.${MACHINE}.${MACHINE_ARCH}
365# (or)	md.${MACHINE}
366#	stl.mi
367#	stl.stlib
368#	shl.mi
369#	shl.shlib
370#	lkm.mi			if ${lkm} != no
371#	rescue.shl
372#	rescue.${MACHINE}
373#	rescue.ad.${MACHINE_ARCH}
374# (or)	rescue.ad.${MACHINE_CPU}
375# 	rescue.ad.${MACHINE_CPU}.shl
376#
377# Environment:
378# 	shlib
379# 	stlib
380#
381list_set_lists()
382{
383	setname=$1
384
385	setdir=$setsdir/lists/$setname
386	echo $setdir/mi
387	if [ "${MACHINE}" != "${MACHINE_ARCH}" ]; then
388		# Prefer an ad.${MACHINE_ARCH} over an ad.${MACHINE_CPU},
389		# since the arch-specific one will be more specific than
390		# the cpu-specific one.
391		if [ -f $setdir/ad.${MACHINE_ARCH} ]; then
392			echo $setdir/ad.${MACHINE_ARCH}
393		elif [ -f $setdir/ad.${MACHINE_CPU} ]; then
394			echo $setdir/ad.${MACHINE_CPU}
395		fi
396		if [ "$shlib" != "no" -a \
397		     -f $setdir/ad.${MACHINE_CPU}.shl ]; then
398			echo $setdir/ad.${MACHINE_CPU}.shl
399		fi
400	fi
401	if [ -f $setdir/md.${MACHINE}.${MACHINE_ARCH} ]; then
402		echo $setdir/md.${MACHINE}.${MACHINE_ARCH}
403	elif [ -f $setdir/md.${MACHINE} ]; then
404		echo $setdir/md.${MACHINE}
405	fi
406	if [ -f $setdir/stl.mi ]; then
407		echo $setdir/stl.mi
408	fi
409	if [ -f $setdir/stl.${stlib} ]; then
410		echo $setdir/stl.${stlib}
411	fi
412	if [ "$shlib" != "no" ]; then
413		if [ -f $setdir/shl.mi ]; then
414			echo $setdir/shl.mi
415		fi
416		if [ -f $setdir/shl.${shlib} ]; then
417			echo $setdir/shl.${shlib}
418		fi
419	fi
420	if [ "$lkm" != "no" ]; then
421		if [ -f $setdir/lkm.mi ]; then
422			echo $setdir/lkm.mi
423		fi
424	fi
425
426	if [ -f $setdir/rescue.mi ]; then
427		echo $setdir/rescue.mi
428	fi
429	if [ -f $setdir/rescue.${MACHINE} ]; then
430		echo $setdir/rescue.${MACHINE}
431	fi
432	if [ "${MACHINE}" != "${MACHINE_ARCH}" ]; then
433		# Prefer a rescue.ad.${MACHINE_ARCH} over a
434		# rescue.ad.${MACHINE_CPU}, since the arch-
435		# specific one will be more specific than the
436		# cpu-specific one.
437		if [ -f $setdir/rescue.ad.${MACHINE_ARCH} ]; then
438			echo $setdir/rescue.ad.${MACHINE_ARCH}
439		elif [ -f $setdir/rescue.ad.${MACHINE_CPU} ]; then
440			echo $setdir/rescue.ad.${MACHINE_CPU}
441		fi
442		if [ "$shlib" != "no" -a \
443		     -f $setdir/rescue.ad.${MACHINE_CPU}.shl ]; then
444			echo $setdir/rescue.ad.${MACHINE_CPU}.shl
445		fi
446	fi
447}
448
449# arch_to_cpu mach
450#
451# Print the ${MACHINE_CPU} for ${MACHINE_ARCH}=mach,
452# as determined by <bsd.own.mk>.
453#
454arch_to_cpu()
455{
456	MACHINE_ARCH=${1} ${MAKE} -f- all <<EOMAKE
457.include <bsd.own.mk>
458all:
459	@echo \${MACHINE_CPU}
460EOMAKE
461}
462
463# arch_to_endian mach
464#
465# Print the ${TARGET_ENDIANNESS} for ${MACHINE_ARCH}=mach,
466# as determined by <bsd.endian.mk>.
467#
468arch_to_endian()
469{
470	MACHINE_ARCH=${1} ${MAKE} -f- all <<EOMAKE
471.include <bsd.endian.mk>
472all:
473	@echo \${TARGET_ENDIANNESS}
474EOMAKE
475}
476