1 dbd7b9a9 2003-11-23 devnull #!/bin/sh
  2 dbd7b9a9 2003-11-23 devnull 
  3 ead3e311 2005-01-04 devnull libsl=""
  4 ead3e311 2005-01-04 devnull 
  5 3d637e16 2005-01-07 devnull doautolib=true
  6 3d637e16 2005-01-07 devnull verbose=false
  7 ead3e311 2005-01-04 devnull 
  8 ead3e311 2005-01-04 devnull if [ "x$1" = "x-l" ]
  9 ead3e311 2005-01-04 devnull then
 10 ead3e311 2005-01-04 devnull 	shift
 11 3d637e16 2005-01-07 devnull 	doautolib=false
 12 ead3e311 2005-01-04 devnull elif [ "x$1" = "x-v" ]
 13 ead3e311 2005-01-04 devnull then
 14 ead3e311 2005-01-04 devnull 	shift
 15 3d637e16 2005-01-07 devnull 	verbose=true
 16 ead3e311 2005-01-04 devnull fi
 17 ead3e311 2005-01-04 devnull 
 18 3d637e16 2005-01-07 devnull if $doautolib
 19 ead3e311 2005-01-04 devnull then
 20 ead3e311 2005-01-04 devnull 	ofiles=""
 21 ead3e311 2005-01-04 devnull 	for i
 22 ead3e311 2005-01-04 devnull 	do
 23 ead3e311 2005-01-04 devnull 		case "$i" in
 24 190857f9 2005-01-07 devnull 		*.o)
 25 ead3e311 2005-01-04 devnull 			ofiles="$ofiles $i"
 26 ead3e311 2005-01-04 devnull 			;;
 27 ead3e311 2005-01-04 devnull 		esac
 28 ead3e311 2005-01-04 devnull 	done
 29 ead3e311 2005-01-04 devnull 	
 30 ead3e311 2005-01-04 devnull 	# echo "ofiles $ofiles"
 31 ead3e311 2005-01-04 devnull 	autolibs=""
 32 ead3e311 2005-01-04 devnull 	if [ "x$ofiles" != "x" ]
 33 ead3e311 2005-01-04 devnull 	then
 34 3d637e16 2005-01-07 devnull 		a=`
 35 ead3e311 2005-01-04 devnull 			nm $ofiles |
 36 ead3e311 2005-01-04 devnull 			grep '__p9l_autolib_[a-zA-Z0-9+-]*$' |
 37 190857f9 2005-01-07 devnull 			sed 's/.*__p9l_autolib_//' |
 38 ead3e311 2005-01-04 devnull 			sort -u
 39 ead3e311 2005-01-04 devnull 		`
 40 3d637e16 2005-01-07 devnull 		for i in $a
 41 3d637e16 2005-01-07 devnull 		do
 42 3d637e16 2005-01-07 devnull 			autolibs="$autolibs $i"
 43 3d637e16 2005-01-07 devnull 			eval "need$i=true"
 44 3d637e16 2005-01-07 devnull 		done
 45 ead3e311 2005-01-04 devnull 	fi
 46 3d637e16 2005-01-07 devnull 
 47 3d637e16 2005-01-07 devnull 	# fetch dependencies out of libraries
 48 3d637e16 2005-01-07 devnull 	workq="$autolibs"
 49 3d637e16 2005-01-07 devnull 	while [ "x$workq" != "x" ]
 50 ead3e311 2005-01-04 devnull 	do
 51 3d637e16 2005-01-07 devnull 		w="$workq"
 52 3d637e16 2005-01-07 devnull 		workq=""
 53 3d637e16 2005-01-07 devnull 		for i in $w
 54 3d637e16 2005-01-07 devnull 		do
 55 3d637e16 2005-01-07 devnull 			a=`
 56 3d637e16 2005-01-07 devnull 				nm $PLAN9/lib/lib$i.a |
 57 3d637e16 2005-01-07 devnull 				grep '__p9l_autolib_[a-zA-Z0-9+-]*$' |
 58 3d637e16 2005-01-07 devnull 				sed 's/.*__p9l_autolib_//' |
 59 3d637e16 2005-01-07 devnull 				sort -u
 60 3d637e16 2005-01-07 devnull 			`
 61 3d637e16 2005-01-07 devnull 			okayfn="true"
 62 3d637e16 2005-01-07 devnull 			for j in $a
 63 3d637e16 2005-01-07 devnull 			do
 64 3d637e16 2005-01-07 devnull 				if eval "[ x\$need$j = x ]"
 65 3d637e16 2005-01-07 devnull 				then
 66 3d637e16 2005-01-07 devnull 					autolibs="$autolibs $j"
 67 3d637e16 2005-01-07 devnull 					workq="$workq $j"
 68 3d637e16 2005-01-07 devnull 					eval "need$j=true"
 69 3d637e16 2005-01-07 devnull 				fi
 70 3d637e16 2005-01-07 devnull 				if [ $j != $i ]
 71 3d637e16 2005-01-07 devnull 				then
 72 3d637e16 2005-01-07 devnull 					okayfn="$okayfn && have$j"
 73 3d637e16 2005-01-07 devnull 				fi
 74 3d637e16 2005-01-07 devnull 			done
 75 3d637e16 2005-01-07 devnull 			# echo "can$i: $okayfn"
 76 3d637e16 2005-01-07 devnull 			eval "can$i() { $okayfn; }"
 77 3d637e16 2005-01-07 devnull 		done
 78 ead3e311 2005-01-04 devnull 	done
 79 3d637e16 2005-01-07 devnull 	if $verbose
 80 3d637e16 2005-01-07 devnull 	then
 81 3d637e16 2005-01-07 devnull 		echo "autolibs $autolibs"
 82 3d637e16 2005-01-07 devnull 	fi
 83 3d637e16 2005-01-07 devnull 
 84 ead3e311 2005-01-04 devnull 	for i in $autolibs
 85 ead3e311 2005-01-04 devnull 	do
 86 3d637e16 2005-01-07 devnull 		eval "have$i() { false; }"
 87 ead3e311 2005-01-04 devnull 	done
 88 3d637e16 2005-01-07 devnull 
 89 3d637e16 2005-01-07 devnull 	# now find correct order
 90 3d637e16 2005-01-07 devnull 	libsl=""
 91 3d637e16 2005-01-07 devnull 	while [ "x$autolibs" != x ]
 92 ead3e311 2005-01-04 devnull 	do
 93 3d637e16 2005-01-07 devnull 		stillneed=""
 94 3d637e16 2005-01-07 devnull 		didnothing=true
 95 3d637e16 2005-01-07 devnull 		for i in $autolibs
 96 3d637e16 2005-01-07 devnull 		do
 97 3d637e16 2005-01-07 devnull 			if eval "can$i"
 98 3d637e16 2005-01-07 devnull 			then
 99 3d637e16 2005-01-07 devnull 				libsl="-l$i $libsl"
100 3d637e16 2005-01-07 devnull 				eval "have$i() { true; }"
101 3d637e16 2005-01-07 devnull 				didnothing=false
102 3d637e16 2005-01-07 devnull 			else
103 3d637e16 2005-01-07 devnull 				stillneed="$stillneed $i"
104 3d637e16 2005-01-07 devnull 			fi
105 3d637e16 2005-01-07 devnull 		done
106 3d637e16 2005-01-07 devnull 		# break cycle by setting the last library on the list
107 3d637e16 2005-01-07 devnull 		# to have no dependencies
108 3d637e16 2005-01-07 devnull 		if $didnothing
109 ead3e311 2005-01-04 devnull 		then
110 3d637e16 2005-01-07 devnull 			j="xxx"
111 3d637e16 2005-01-07 devnull 			for i in $autolibs
112 3d637e16 2005-01-07 devnull 			do
113 3d637e16 2005-01-07 devnull 				j=$i
114 3d637e16 2005-01-07 devnull 			done
115 3d637e16 2005-01-07 devnull 			echo "dependency cycle: $autolibs; breaking with $j"
116 3d637e16 2005-01-07 devnull 			eval "can$j() { true; }"
117 ead3e311 2005-01-04 devnull 		fi
118 3d637e16 2005-01-07 devnull 		autolibs="$stillneed"
119 ead3e311 2005-01-04 devnull 	done
120 3d637e16 2005-01-07 devnull 	if $verbose
121 3d637e16 2005-01-07 devnull 	then
122 3d637e16 2005-01-07 devnull 		echo "liborder $libsl"
123 3d637e16 2005-01-07 devnull 	fi
124 ead3e311 2005-01-04 devnull 	libsl="$libsl -l9"
125 3d637e16 2005-01-07 devnull 
126 3d637e16 2005-01-07 devnull 	if [ "x$needdraw" = xtrue ]
127 ead3e311 2005-01-04 devnull 	then
128 ead3e311 2005-01-04 devnull 		if [ "x$X11" = "x" ]
129 ead3e311 2005-01-04 devnull 		then
130 ead3e311 2005-01-04 devnull 			X11=/usr/X11R6
131 ead3e311 2005-01-04 devnull 		fi
132 ead3e311 2005-01-04 devnull 		libsl="$libsl -L$X11/lib -lX11"
133 ead3e311 2005-01-04 devnull 	fi
134 ead3e311 2005-01-04 devnull fi
135 ead3e311 2005-01-04 devnull 
136 2d8fd46b 2004-03-26 devnull extralibs="-lm"
137 8f314994 2004-03-02 devnull tag="${SYSNAME:-`uname`}-${OBJTYPE:-`uname -m`}"
138 dbd7b9a9 2003-11-23 devnull case "$tag" in
139 7d0dbb31 2005-01-07 devnull *OpenBSD*)
140 7d0dbb31 2005-01-07 devnull 	ld=gcc
141 7d0dbb31 2005-01-07 devnull 	extralibs="$extralibs -lutil -lpthread"
142 7d0dbb31 2005-01-07 devnull 	;;
143 7d0dbb31 2005-01-07 devnull *FreeBSD*)
144 7d0dbb31 2005-01-07 devnull 	ld=gcc
145 7d0dbb31 2005-01-07 devnull 	extralibs="$extralibs -lutil"
146 7d0dbb31 2005-01-07 devnull 	case "`uname -r`" in
147 7d0dbb31 2005-01-07 devnull 	[5-9].*)
148 7d0dbb31 2005-01-07 devnull 		extralibs="$extralibs -lpthread"
149 cb27443a 2004-03-25 devnull 		;;
150 7d0dbb31 2005-01-07 devnull 	esac
151 7d0dbb31 2005-01-07 devnull 	;;
152 7d0dbb31 2005-01-07 devnull *BSD*)
153 7d0dbb31 2005-01-07 devnull 	ld=gcc
154 7d0dbb31 2005-01-07 devnull 	extralibs="$extralibs -lutil"
155 7d0dbb31 2005-01-07 devnull 	;;
156 7d0dbb31 2005-01-07 devnull *Linux*)
157 7d0dbb31 2005-01-07 devnull 	ld=gcc
158 7d0dbb31 2005-01-07 devnull 	extralibs="$extralibs -lutil"
159 7d0dbb31 2005-01-07 devnull 	case "`uname -r`" in
160 7d0dbb31 2005-01-07 devnull 	2.6.*)
161 7d0dbb31 2005-01-07 devnull 		extralibs="$extralibs -lpthread"
162 2d8fd46b 2004-03-26 devnull 		;;
163 7d0dbb31 2005-01-07 devnull 	esac
164 7d0dbb31 2005-01-07 devnull 	;;
165 7d0dbb31 2005-01-07 devnull *Darwin*)
166 7d0dbb31 2005-01-07 devnull 	ld=gcc
167 7d0dbb31 2005-01-07 devnull 	;;
168 7d0dbb31 2005-01-07 devnull *SunOS*)
169 7d0dbb31 2005-01-07 devnull 	ld="${CC9:-cc} -g"
170 7d0dbb31 2005-01-07 devnull 	extralibs="$extralibs -lrt -lpthread -lsocket -lnsl"
171 7d0dbb31 2005-01-07 devnull 	# Record paths to shared libraries to avoid needing LD_LIBRARY_PATH 
172 7d0dbb31 2005-01-07 devnull 	for i in "$@"
173 7d0dbb31 2005-01-07 devnull 	do
174 7d0dbb31 2005-01-07 devnull 		case "$i" in
175 7d0dbb31 2005-01-07 devnull 		-L*)
176 7d0dbb31 2005-01-07 devnull 			s=`echo $i | sed 's/-L/-R/'`
177 7d0dbb31 2005-01-07 devnull 			extralibs="$extralibs $s"
178 282c88f9 2004-09-17 devnull 			;;
179 282c88f9 2004-09-17 devnull 		esac
180 7d0dbb31 2005-01-07 devnull 	done
181 7d0dbb31 2005-01-07 devnull 	;;
182 dbd7b9a9 2003-11-23 devnull *)
183 dbd7b9a9 2003-11-23 devnull 	echo do not know how to link on "$tag" 1>&2
184 dbd7b9a9 2003-11-23 devnull 	exit 1
185 dbd7b9a9 2003-11-23 devnull esac
186 dbd7b9a9 2003-11-23 devnull 
187 3d637e16 2005-01-07 devnull if $verbose
188 ead3e311 2005-01-04 devnull then
189 ead3e311 2005-01-04 devnull 	echo $ld -L$PLAN9/lib "$@" $libsl $extralibs
190 ead3e311 2005-01-04 devnull fi
191 ead3e311 2005-01-04 devnull exec $ld -L$PLAN9/lib "$@" $libsl $extralibs