1 #!/bin/sh
2 
3 libsl=""
4 
5 doautolib=1
6 verbose=0
7 
8 if [ "x$1" = "x-l" ]
9 then
10 	shift
11 	doautolib=0
12 elif [ "x$1" = "x-v" ]
13 then
14 	shift
15 	verbose=1
16 fi
17 
18 if [ $doautolib = 1 ]
19 then
20 	ofiles=""
21 	for i
22 	do
23 		case "$i" in
24 		[^-]*.o)
25 			ofiles="$ofiles $i"
26 			;;
27 		esac
28 	done
29 	
30 	# echo "ofiles $ofiles"
31 	autolibs=""
32 	if [ "x$ofiles" != "x" ]
33 	then
34 		autolibs=`
35 			nm $ofiles |
36 			grep '__p9l_autolib_[a-zA-Z0-9+-]*$' |
37 			sed 's/.* __p9l_autolib_//' |
38 			sort -u
39 		`
40 	fi
41 	# echo "autolibs $autolibs"
42 	
43 	libsl=""
44 	special="mp draw 9pclient mux thread bio"	# order matters
45 	for i in $special
46 	do
47 		eval "need$i=0"
48 	done
49 	
50 	for i in $autolibs
51 	do
52 		case "$i" in
53 		9pclient)
54 			need9pclient=1
55 			needmux=1
56 			needthread=1
57 			;;
58 		bio)
59 			needbio=1
60 			;;
61 		draw)
62 			needdraw=1
63 			;;
64 		mp)
65 			needmp=1
66 			;;
67 		mux)
68 			needmux=1
69 			needthread=1
70 			;;
71 		plumb)
72 			need9pclient=1
73 			needmux=1
74 			needthread=1
75 			libsl="$libsl -lplumb"
76 			;;
77 		sec)
78 			needmp=1
79 			libsl="$libsl -lsec"
80 			;;
81 		thread)
82 			needthread=1
83 			;;
84 		venti)
85 			libsl="$libsl -lventi"
86 			needthread=1
87 			;;
88 		*)
89 			libsl="$libsl -l$i"
90 			;;
91 		esac
92 	done
93 	
94 	for i in $special
95 	do
96 		if eval "[ \$need$i = 1 ]"
97 		then
98 			libsl="$libsl -l$i"
99 		fi
100 	done
101 	libsl="$libsl -l9"
102 	
103 	if [ $needdraw = 1 ]
104 	then
105 		if [ "x$X11" = "x" ]
106 		then
107 			X11=/usr/X11R6
108 		fi
109 		libsl="$libsl -L$X11/lib -lX11"
110 	fi
111 fi
112 
113 extralibs="-lm"
114 tag="${SYSNAME:-`uname`}-${OBJTYPE:-`uname -m`}"
115 case "$tag" in
116 *OpenBSD*)	ld=gcc
117 		extralibs="$extralibs -lutil -lpthread"
118 		;;
119 *BSD*)		ld=gcc
120 		extralibs="$extralibs -lutil"
121 		;;
122 *Linux*)	ld=gcc
123 		extralibs="$extralibs -lutil"
124 		case "`uname -r`" in
125 		2.6.*)
126 			extralibs="$extralibs -lpthread"
127 			;;
128 		esac
129 		;;
130 *Darwin*)	ld=gcc ;;
131 *SunOS*)	ld="${CC9:-cc} -g"
132 		extralibs="$extralibs -lrt -lpthread -lsocket -lnsl"
133 		# Record paths to shared libraries to avoid needing LD_LIBRARY_PATH 
134 		for i in "$@"
135 		do
136 			case "$i" in
137 			-L*)
138 				s=`echo $i | sed 's/-L/-R/'`
139 				extralibs="$extralibs $s"
140 				;;
141 			esac
142 		done
143 		;;
144 *)
145 	echo do not know how to link on "$tag" 1>&2
146 	exit 1
147 esac
148 
149 if [ $verbose = 1 ]
150 then
151 	echo $ld -L$PLAN9/lib "$@" $libsl $extralibs
152 fi
153 exec $ld -L$PLAN9/lib "$@" $libsl $extralibs