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