1 dbd7b9a9 2003-11-23 devnull #!/bin/sh
  2 dbd7b9a9 2003-11-23 devnull 
  3 eea5f6ad 2005-01-17 devnull test -f $PLAN9/config && . $PLAN9/config
  4 ead3e311 2005-01-04 devnull libsl=""
  5 fc165dcb 2005-10-19 devnull frameworks=""
  6 3d637e16 2005-01-07 devnull doautolib=true
  7 fc165dcb 2005-10-19 devnull doautoframework=true
  8 3d637e16 2005-01-07 devnull verbose=false
  9 ead3e311 2005-01-04 devnull 
 10 ead3e311 2005-01-04 devnull if [ "x$1" = "x-l" ]
 11 ead3e311 2005-01-04 devnull then
 12 ead3e311 2005-01-04 devnull 	shift
 13 3d637e16 2005-01-07 devnull 	doautolib=false
 14 fc165dcb 2005-10-19 devnull 	doautoframework=false
 15 ead3e311 2005-01-04 devnull elif [ "x$1" = "x-v" ]
 16 ead3e311 2005-01-04 devnull then
 17 ead3e311 2005-01-04 devnull 	shift
 18 3d637e16 2005-01-07 devnull 	verbose=true
 19 ead3e311 2005-01-04 devnull fi
 20 ead3e311 2005-01-04 devnull 
 21 724b43e6 2005-01-07 devnull target=a.out
 22 724b43e6 2005-01-07 devnull if [ "x$1" = "x-o" ]
 23 724b43e6 2005-01-07 devnull then
 24 724b43e6 2005-01-07 devnull 	target=$2
 25 724b43e6 2005-01-07 devnull fi
 26 724b43e6 2005-01-07 devnull 
 27 3d637e16 2005-01-07 devnull if $doautolib
 28 ead3e311 2005-01-04 devnull then
 29 ead3e311 2005-01-04 devnull 	ofiles=""
 30 ead3e311 2005-01-04 devnull 	for i
 31 ead3e311 2005-01-04 devnull 	do
 32 ead3e311 2005-01-04 devnull 		case "$i" in
 33 359c1e01 2005-01-14 devnull 		*.[ao])
 34 ead3e311 2005-01-04 devnull 			ofiles="$ofiles $i"
 35 ead3e311 2005-01-04 devnull 			;;
 36 ead3e311 2005-01-04 devnull 		esac
 37 ead3e311 2005-01-04 devnull 	done
 38 ead3e311 2005-01-04 devnull 	
 39 ead3e311 2005-01-04 devnull 	# echo "ofiles $ofiles"
 40 ead3e311 2005-01-04 devnull 	autolibs=""
 41 ead3e311 2005-01-04 devnull 	if [ "x$ofiles" != "x" ]
 42 ead3e311 2005-01-04 devnull 	then
 43 3d637e16 2005-01-07 devnull 		a=`
 44 ead3e311 2005-01-04 devnull 			nm $ofiles |
 45 ead3e311 2005-01-04 devnull 			grep '__p9l_autolib_[a-zA-Z0-9+-]*$' |
 46 190857f9 2005-01-07 devnull 			sed 's/.*__p9l_autolib_//' |
 47 ead3e311 2005-01-04 devnull 			sort -u
 48 ead3e311 2005-01-04 devnull 		`
 49 3d637e16 2005-01-07 devnull 		for i in $a
 50 3d637e16 2005-01-07 devnull 		do
 51 3d637e16 2005-01-07 devnull 			autolibs="$autolibs $i"
 52 3d637e16 2005-01-07 devnull 			eval "need$i=true"
 53 3d637e16 2005-01-07 devnull 		done
 54 ead3e311 2005-01-04 devnull 	fi
 55 3d637e16 2005-01-07 devnull 
 56 3d637e16 2005-01-07 devnull 	# fetch dependencies out of libraries
 57 3d637e16 2005-01-07 devnull 	workq="$autolibs"
 58 3d637e16 2005-01-07 devnull 	while [ "x$workq" != "x" ]
 59 ead3e311 2005-01-04 devnull 	do
 60 3d637e16 2005-01-07 devnull 		w="$workq"
 61 3d637e16 2005-01-07 devnull 		workq=""
 62 3d637e16 2005-01-07 devnull 		for i in $w
 63 3d637e16 2005-01-07 devnull 		do
 64 359c1e01 2005-01-14 devnull 			# can't trust the libraries about using
 65 866a7d1f 2006-02-14 devnull 			# libthread or libdraw - we might not be linking with
 66 359c1e01 2005-01-14 devnull 			# those object files.
 67 3d637e16 2005-01-07 devnull 			a=`
 68 acc29ab2 2005-07-13 devnull 				nm $PLAN9/lib/lib$i.a 2>/dev/null |
 69 3d637e16 2005-01-07 devnull 				grep '__p9l_autolib_[a-zA-Z0-9+-]*$' |
 70 3d637e16 2005-01-07 devnull 				sed 's/.*__p9l_autolib_//' |
 71 359c1e01 2005-01-14 devnull 				sort -u |
 72 866a7d1f 2006-02-14 devnull 				egrep -v 'thread|draw'
 73 3d637e16 2005-01-07 devnull 			`
 74 3d637e16 2005-01-07 devnull 			okayfn="true"
 75 3d637e16 2005-01-07 devnull 			for j in $a
 76 3d637e16 2005-01-07 devnull 			do
 77 3d637e16 2005-01-07 devnull 				if eval "[ x\$need$j = x ]"
 78 3d637e16 2005-01-07 devnull 				then
 79 3d637e16 2005-01-07 devnull 					autolibs="$autolibs $j"
 80 3d637e16 2005-01-07 devnull 					workq="$workq $j"
 81 3d637e16 2005-01-07 devnull 					eval "need$j=true"
 82 3d637e16 2005-01-07 devnull 				fi
 83 3d637e16 2005-01-07 devnull 				if [ $j != $i ]
 84 3d637e16 2005-01-07 devnull 				then
 85 3d637e16 2005-01-07 devnull 					okayfn="$okayfn && have$j"
 86 3d637e16 2005-01-07 devnull 				fi
 87 3d637e16 2005-01-07 devnull 			done
 88 3d637e16 2005-01-07 devnull 			# echo "can$i: $okayfn"
 89 3d637e16 2005-01-07 devnull 			eval "can$i() { $okayfn; }"
 90 3d637e16 2005-01-07 devnull 		done
 91 ead3e311 2005-01-04 devnull 	done
 92 3d637e16 2005-01-07 devnull 	if $verbose
 93 3d637e16 2005-01-07 devnull 	then
 94 3d637e16 2005-01-07 devnull 		echo "autolibs $autolibs"
 95 3d637e16 2005-01-07 devnull 	fi
 96 3d637e16 2005-01-07 devnull 
 97 ead3e311 2005-01-04 devnull 	for i in $autolibs
 98 ead3e311 2005-01-04 devnull 	do
 99 3d637e16 2005-01-07 devnull 		eval "have$i() { false; }"
100 ead3e311 2005-01-04 devnull 	done
101 c8b6342d 2005-01-13 devnull 	havethread() { false; }
102 0d85a1cf 2005-02-11 devnull 	havesec() { false; }
103 3d637e16 2005-01-07 devnull 
104 3d637e16 2005-01-07 devnull 	# now find correct order
105 3d637e16 2005-01-07 devnull 	libsl=""
106 3d637e16 2005-01-07 devnull 	while [ "x$autolibs" != x ]
107 ead3e311 2005-01-04 devnull 	do
108 3d637e16 2005-01-07 devnull 		stillneed=""
109 3d637e16 2005-01-07 devnull 		didnothing=true
110 3d637e16 2005-01-07 devnull 		for i in $autolibs
111 3d637e16 2005-01-07 devnull 		do
112 3d637e16 2005-01-07 devnull 			if eval "can$i"
113 3d637e16 2005-01-07 devnull 			then
114 3d637e16 2005-01-07 devnull 				libsl="-l$i $libsl"
115 3d637e16 2005-01-07 devnull 				eval "have$i() { true; }"
116 3d637e16 2005-01-07 devnull 				didnothing=false
117 3d637e16 2005-01-07 devnull 			else
118 3d637e16 2005-01-07 devnull 				stillneed="$stillneed $i"
119 3d637e16 2005-01-07 devnull 			fi
120 3d637e16 2005-01-07 devnull 		done
121 3d637e16 2005-01-07 devnull 		# break cycle by setting the last library on the list
122 3d637e16 2005-01-07 devnull 		# to have no dependencies
123 3d637e16 2005-01-07 devnull 		if $didnothing
124 ead3e311 2005-01-04 devnull 		then
125 3d637e16 2005-01-07 devnull 			j="xxx"
126 3d637e16 2005-01-07 devnull 			for i in $autolibs
127 3d637e16 2005-01-07 devnull 			do
128 3d637e16 2005-01-07 devnull 				j=$i
129 3d637e16 2005-01-07 devnull 			done
130 3d637e16 2005-01-07 devnull 			echo "dependency cycle: $autolibs; breaking with $j"
131 3d637e16 2005-01-07 devnull 			eval "can$j() { true; }"
132 ead3e311 2005-01-04 devnull 		fi
133 3d637e16 2005-01-07 devnull 		autolibs="$stillneed"
134 ead3e311 2005-01-04 devnull 	done
135 3d637e16 2005-01-07 devnull 	if $verbose
136 3d637e16 2005-01-07 devnull 	then
137 3d637e16 2005-01-07 devnull 		echo "liborder $libsl"
138 3d637e16 2005-01-07 devnull 	fi
139 ead3e311 2005-01-04 devnull 	libsl="$libsl -l9"
140 3d637e16 2005-01-07 devnull 
141 c8b6342d 2005-01-13 devnull 	# cycle: lib9 expects p9main, which is defined in libthread.  oops.
142 359c1e01 2005-01-14 devnull 	if havethread
143 c8b6342d 2005-01-13 devnull 	then
144 359c1e01 2005-01-14 devnull 		libsl="$libsl -lthread -l9"
145 c8b6342d 2005-01-13 devnull 	fi
146 c8b6342d 2005-01-13 devnull 
147 0d85a1cf 2005-02-11 devnull 	# cycle: lib9 netcrypt uses libsec
148 0d85a1cf 2005-02-11 devnull 	if havesec
149 0d85a1cf 2005-02-11 devnull 	then
150 0d85a1cf 2005-02-11 devnull 		libsl="$libsl -lsec -l9"
151 866a7d1f 2006-02-14 devnull 	fi
152 866a7d1f 2006-02-14 devnull 
153 89eaced6 2006-04-04 devnull 	if [ "x$needndb" = xtrue -a '(' -f /usr/lib/libresolv.a -o -f /usr/lib/libresolv.dylib ')' ]
154 866a7d1f 2006-02-14 devnull 	then
155 866a7d1f 2006-02-14 devnull 		libsl="$libsl -lresolv"
156 0d85a1cf 2005-02-11 devnull 	fi
157 0d85a1cf 2005-02-11 devnull 
158 56e3c290 2006-01-27 devnull 	if [ "x$needdraw" = xtrue -a "x$WSYSTYPE" != xnowsys ]
159 ead3e311 2005-01-04 devnull 	then
160 ead3e311 2005-01-04 devnull 		if [ "x$X11" = "x" ]
161 ead3e311 2005-01-04 devnull 		then
162 ead3e311 2005-01-04 devnull 			X11=/usr/X11R6
163 ead3e311 2005-01-04 devnull 		fi
164 c968e519 2005-01-18 devnull 		# x86_64 seems to put its 64-bit libraries in lib64.
165 c968e519 2005-01-18 devnull 		if [ "${OBJTYPE:-`uname -m`}" = "x86_64" ]
166 c968e519 2005-01-18 devnull 		then
167 c968e519 2005-01-18 devnull 			libsl="$libsl -L$X11/lib64"
168 c968e519 2005-01-18 devnull 		fi
169 ead3e311 2005-01-04 devnull 		libsl="$libsl -L$X11/lib -lX11"
170 ead3e311 2005-01-04 devnull 	fi
171 ead3e311 2005-01-04 devnull fi
172 fc165dcb 2005-10-19 devnull if $doautoframework
173 fc165dcb 2005-10-19 devnull then
174 fc165dcb 2005-10-19 devnull 	ofiles=""
175 fc165dcb 2005-10-19 devnull 	for i
176 fc165dcb 2005-10-19 devnull 	do
177 fc165dcb 2005-10-19 devnull 		case "$i" in
178 fc165dcb 2005-10-19 devnull 		*.[ao])
179 fc165dcb 2005-10-19 devnull 			ofiles="$ofiles $i"
180 fc165dcb 2005-10-19 devnull 			;;
181 fc165dcb 2005-10-19 devnull 		esac
182 fc165dcb 2005-10-19 devnull 	done
183 ead3e311 2005-01-04 devnull 
184 fc165dcb 2005-10-19 devnull 	# echo "ofiles $ofiles"
185 fc165dcb 2005-10-19 devnull 	autoframeworks=""
186 fc165dcb 2005-10-19 devnull 	if [ "x$ofiles" != "x" ]
187 fc165dcb 2005-10-19 devnull 	then
188 fc165dcb 2005-10-19 devnull 		a=`
189 fc165dcb 2005-10-19 devnull 			nm $ofiles |
190 fc165dcb 2005-10-19 devnull 			grep '__p9l_autoframework_[a-zA-Z0-9+-]*$' |
191 fc165dcb 2005-10-19 devnull 			sed 's/.*__p9l_autoframework_//' |
192 fc165dcb 2005-10-19 devnull 			sort -u
193 fc165dcb 2005-10-19 devnull 		`
194 fc165dcb 2005-10-19 devnull 		for i in $a
195 fc165dcb 2005-10-19 devnull 		do
196 fc165dcb 2005-10-19 devnull 			autoframeworks="$autoframeworks $i"
197 fc165dcb 2005-10-19 devnull 			eval "need$i=true"
198 fc165dcb 2005-10-19 devnull 		done
199 fc165dcb 2005-10-19 devnull 	fi
200 fc165dcb 2005-10-19 devnull 
201 fc165dcb 2005-10-19 devnull 	if $verbose
202 fc165dcb 2005-10-19 devnull 	then
203 fc165dcb 2005-10-19 devnull 		echo "autoframeworks $autoframeworks"
204 fc165dcb 2005-10-19 devnull 	fi
205 fc165dcb 2005-10-19 devnull 
206 fc165dcb 2005-10-19 devnull 	for i in $autoframeworks
207 fc165dcb 2005-10-19 devnull 	do
208 fc165dcb 2005-10-19 devnull 		eval "have$i() { false; }"
209 fc165dcb 2005-10-19 devnull 	done
210 fc165dcb 2005-10-19 devnull 
211 fc165dcb 2005-10-19 devnull 	frameworks=""
212 fc165dcb 2005-10-19 devnull 	for i in $autoframeworks
213 fc165dcb 2005-10-19 devnull 	do	
214 fc165dcb 2005-10-19 devnull 		frameworks="-framework $i $frameworks"
215 fc165dcb 2005-10-19 devnull 	done
216 fc165dcb 2005-10-19 devnull fi
217 fc165dcb 2005-10-19 devnull 
218 2d8fd46b 2004-03-26 devnull extralibs="-lm"
219 8f314994 2004-03-02 devnull tag="${SYSNAME:-`uname`}-${OBJTYPE:-`uname -m`}"
220 dbd7b9a9 2003-11-23 devnull case "$tag" in
221 7d0dbb31 2005-01-07 devnull *FreeBSD*)
222 7d0dbb31 2005-01-07 devnull 	ld=gcc
223 108559b2 2005-01-19 devnull 	userpath=true
224 7d0dbb31 2005-01-07 devnull 	extralibs="$extralibs -lutil"
225 7d0dbb31 2005-01-07 devnull 	case "`uname -r`" in
226 8a26417b 2005-02-08 devnull 	5.2.*)
227 8a26417b 2005-02-08 devnull 		extralibs="$extralibs -lkse"
228 8a26417b 2005-02-08 devnull 		;;
229 7d0dbb31 2005-01-07 devnull 	[5-9].*)
230 7d0dbb31 2005-01-07 devnull 		extralibs="$extralibs -lpthread"
231 cb27443a 2004-03-25 devnull 		;;
232 7d0dbb31 2005-01-07 devnull 	esac
233 7d0dbb31 2005-01-07 devnull 	;;
234 7d0dbb31 2005-01-07 devnull *BSD*)
235 7d0dbb31 2005-01-07 devnull 	ld=gcc
236 108559b2 2005-01-19 devnull 	userpath=true
237 7d0dbb31 2005-01-07 devnull 	extralibs="$extralibs -lutil"
238 7d0dbb31 2005-01-07 devnull 	;;
239 7d0dbb31 2005-01-07 devnull *Linux*)
240 7d0dbb31 2005-01-07 devnull 	ld=gcc
241 108559b2 2005-01-19 devnull 	userpath=true
242 7d0dbb31 2005-01-07 devnull 	extralibs="$extralibs -lutil"
243 eea5f6ad 2005-01-17 devnull 	case "${SYSVERSION:-`uname -r`}" in
244 7d0dbb31 2005-01-07 devnull 	2.6.*)
245 7d0dbb31 2005-01-07 devnull 		extralibs="$extralibs -lpthread"
246 2d8fd46b 2004-03-26 devnull 		;;
247 7d0dbb31 2005-01-07 devnull 	esac
248 7d0dbb31 2005-01-07 devnull 	;;
249 7d0dbb31 2005-01-07 devnull *Darwin*)
250 7d0dbb31 2005-01-07 devnull 	ld=gcc
251 7d0dbb31 2005-01-07 devnull 	;;
252 7d0dbb31 2005-01-07 devnull *SunOS*)
253 7d0dbb31 2005-01-07 devnull 	ld="${CC9:-cc} -g"
254 7d0dbb31 2005-01-07 devnull 	extralibs="$extralibs -lrt -lpthread -lsocket -lnsl"
255 7d0dbb31 2005-01-07 devnull 	# Record paths to shared libraries to avoid needing LD_LIBRARY_PATH 
256 54bcb7e9 2005-01-16 devnull 	for i in "$libsl $@"
257 7d0dbb31 2005-01-07 devnull 	do
258 7d0dbb31 2005-01-07 devnull 		case "$i" in
259 7d0dbb31 2005-01-07 devnull 		-L*)
260 7d0dbb31 2005-01-07 devnull 			s=`echo $i | sed 's/-L/-R/'`
261 7d0dbb31 2005-01-07 devnull 			extralibs="$extralibs $s"
262 282c88f9 2004-09-17 devnull 			;;
263 282c88f9 2004-09-17 devnull 		esac
264 7d0dbb31 2005-01-07 devnull 	done
265 dc305d03 2005-02-08 devnull 	case "${SYSVERSION:-`uname -r`}" in
266 dc305d03 2005-02-08 devnull 	5.[67])
267 dc305d03 2005-02-08 devnull 		echo do not know how to link right thread library on "$tag" 1>&2
268 dc305d03 2005-02-08 devnull 		;;
269 dc305d03 2005-02-08 devnull 	5.8)
270 dc305d03 2005-02-08 devnull 		# Some trickery is needed to force use of
271 dc305d03 2005-02-08 devnull 		# alternate thread lib from /usr/lib/lwp
272 dc305d03 2005-02-08 devnull 		# Likely, this only works with sun cc,
273 dc305d03 2005-02-08 devnull 		# for other compiler/loader we would need other flags.
274 dc305d03 2005-02-08 devnull 		ld="$ld -i"
275 dc305d03 2005-02-08 devnull 		extralibs="$extralibs /usr/lib/lwp/libthread.so -R/usr/lib/lwp:/usr/lib"
276 dc305d03 2005-02-08 devnull 		;;
277 dc305d03 2005-02-08 devnull 	esac
278 7d0dbb31 2005-01-07 devnull 	;;
279 dbd7b9a9 2003-11-23 devnull *)
280 dbd7b9a9 2003-11-23 devnull 	echo do not know how to link on "$tag" 1>&2
281 dbd7b9a9 2003-11-23 devnull 	exit 1
282 dbd7b9a9 2003-11-23 devnull esac
283 dbd7b9a9 2003-11-23 devnull 
284 108559b2 2005-01-19 devnull case "$userpath" in
285 108559b2 2005-01-19 devnull true)
286 54bcb7e9 2005-01-16 devnull 	for i in "$libsl $@"
287 54bcb7e9 2005-01-16 devnull 	do
288 54bcb7e9 2005-01-16 devnull 		case "$i" in
289 54bcb7e9 2005-01-16 devnull 		-L*)
290 54bcb7e9 2005-01-16 devnull 			s=`echo $i | sed 's/-L/-Wl,-rpath,/'`
291 54bcb7e9 2005-01-16 devnull 			extralibs="$extralibs $s"
292 54bcb7e9 2005-01-16 devnull 			;;
293 54bcb7e9 2005-01-16 devnull 		esac
294 54bcb7e9 2005-01-16 devnull 	done
295 54bcb7e9 2005-01-16 devnull 	;;
296 54bcb7e9 2005-01-16 devnull esac
297 54bcb7e9 2005-01-16 devnull 
298 3d637e16 2005-01-07 devnull if $verbose
299 ead3e311 2005-01-04 devnull then
300 fc165dcb 2005-10-19 devnull 	echo $ld -L$PLAN9/lib "$@" $libsl $extralibs $frameworks
301 ead3e311 2005-01-04 devnull fi
302 237c3090 2005-03-18 devnull 
303 237c3090 2005-03-18 devnull xtmp=/tmp/9l.$$.$USER.out
304 237c3090 2005-03-18 devnull xxout() {
305 866a7d1f 2006-02-14 devnull 	sed 's/.*: In function `[^:]*: *//' $xtmp | egrep . | 
306 d27ee153 2006-03-30 devnull 	egrep -v 'is almost always misused' 
307 237c3090 2005-03-18 devnull 	rm -f $xtmp
308 237c3090 2005-03-18 devnull }
309 237c3090 2005-03-18 devnull 
310 fc165dcb 2005-10-19 devnull if $ld -L$PLAN9/lib "$@" $libsl $extralibs $frameworks >$xtmp 2>&1
311 8953da37 2005-01-07 devnull then
312 237c3090 2005-03-18 devnull 	xxout
313 c8b6342d 2005-01-13 devnull 	exit 0
314 c8b6342d 2005-01-13 devnull else
315 237c3090 2005-03-18 devnull 	xxout
316 724b43e6 2005-01-07 devnull 	rm -f $target
317 724b43e6 2005-01-07 devnull 	exit 1
318 8953da37 2005-01-07 devnull fi
319 c8b6342d 2005-01-13 devnull