5 3d637e16 2005-01-07 devnull doautolib=true
6 3d637e16 2005-01-07 devnull verbose=false
8 ead3e311 2005-01-04 devnull if [ "x$1" = "x-l" ]
11 3d637e16 2005-01-07 devnull doautolib=false
12 ead3e311 2005-01-04 devnull elif [ "x$1" = "x-v" ]
15 3d637e16 2005-01-07 devnull verbose=true
18 724b43e6 2005-01-07 devnull target=a.out
19 724b43e6 2005-01-07 devnull if [ "x$1" = "x-o" ]
21 724b43e6 2005-01-07 devnull target=$2
24 3d637e16 2005-01-07 devnull if $doautolib
26 ead3e311 2005-01-04 devnull ofiles=""
29 ead3e311 2005-01-04 devnull case "$i" in
31 ead3e311 2005-01-04 devnull ofiles="$ofiles $i"
36 ead3e311 2005-01-04 devnull # echo "ofiles $ofiles"
37 ead3e311 2005-01-04 devnull autolibs=""
38 ead3e311 2005-01-04 devnull if [ "x$ofiles" != "x" ]
41 ead3e311 2005-01-04 devnull nm $ofiles |
42 ead3e311 2005-01-04 devnull grep '__p9l_autolib_[a-zA-Z0-9+-]*$' |
43 190857f9 2005-01-07 devnull sed 's/.*__p9l_autolib_//' |
46 3d637e16 2005-01-07 devnull for i in $a
48 3d637e16 2005-01-07 devnull autolibs="$autolibs $i"
49 3d637e16 2005-01-07 devnull eval "need$i=true"
53 3d637e16 2005-01-07 devnull # fetch dependencies out of libraries
54 3d637e16 2005-01-07 devnull workq="$autolibs"
55 3d637e16 2005-01-07 devnull while [ "x$workq" != "x" ]
57 3d637e16 2005-01-07 devnull w="$workq"
59 3d637e16 2005-01-07 devnull for i in $w
61 359c1e01 2005-01-14 devnull # can't trust the libraries about using
62 359c1e01 2005-01-14 devnull # libthread - we might not be linking with
63 359c1e01 2005-01-14 devnull # those object files.
65 3d637e16 2005-01-07 devnull nm $PLAN9/lib/lib$i.a |
66 3d637e16 2005-01-07 devnull grep '__p9l_autolib_[a-zA-Z0-9+-]*$' |
67 3d637e16 2005-01-07 devnull sed 's/.*__p9l_autolib_//' |
68 359c1e01 2005-01-14 devnull sort -u |
69 359c1e01 2005-01-14 devnull grep -v thread
71 3d637e16 2005-01-07 devnull okayfn="true"
72 3d637e16 2005-01-07 devnull for j in $a
74 3d637e16 2005-01-07 devnull if eval "[ x\$need$j = x ]"
76 3d637e16 2005-01-07 devnull autolibs="$autolibs $j"
77 3d637e16 2005-01-07 devnull workq="$workq $j"
78 3d637e16 2005-01-07 devnull eval "need$j=true"
80 3d637e16 2005-01-07 devnull if [ $j != $i ]
82 3d637e16 2005-01-07 devnull okayfn="$okayfn && have$j"
85 3d637e16 2005-01-07 devnull # echo "can$i: $okayfn"
86 3d637e16 2005-01-07 devnull eval "can$i() { $okayfn; }"
89 3d637e16 2005-01-07 devnull if $verbose
91 3d637e16 2005-01-07 devnull echo "autolibs $autolibs"
94 ead3e311 2005-01-04 devnull for i in $autolibs
96 3d637e16 2005-01-07 devnull eval "have$i() { false; }"
98 c8b6342d 2005-01-13 devnull havethread() { false; }
100 3d637e16 2005-01-07 devnull # now find correct order
101 3d637e16 2005-01-07 devnull libsl=""
102 3d637e16 2005-01-07 devnull while [ "x$autolibs" != x ]
104 3d637e16 2005-01-07 devnull stillneed=""
105 3d637e16 2005-01-07 devnull didnothing=true
106 3d637e16 2005-01-07 devnull for i in $autolibs
108 3d637e16 2005-01-07 devnull if eval "can$i"
110 3d637e16 2005-01-07 devnull libsl="-l$i $libsl"
111 3d637e16 2005-01-07 devnull eval "have$i() { true; }"
112 3d637e16 2005-01-07 devnull didnothing=false
114 3d637e16 2005-01-07 devnull stillneed="$stillneed $i"
117 3d637e16 2005-01-07 devnull # break cycle by setting the last library on the list
118 3d637e16 2005-01-07 devnull # to have no dependencies
119 3d637e16 2005-01-07 devnull if $didnothing
122 3d637e16 2005-01-07 devnull for i in $autolibs
126 3d637e16 2005-01-07 devnull echo "dependency cycle: $autolibs; breaking with $j"
127 3d637e16 2005-01-07 devnull eval "can$j() { true; }"
129 3d637e16 2005-01-07 devnull autolibs="$stillneed"
131 3d637e16 2005-01-07 devnull if $verbose
133 3d637e16 2005-01-07 devnull echo "liborder $libsl"
135 ead3e311 2005-01-04 devnull libsl="$libsl -l9"
137 c8b6342d 2005-01-13 devnull # cycle: lib9 expects p9main, which is defined in libthread. oops.
138 359c1e01 2005-01-14 devnull if havethread
140 359c1e01 2005-01-14 devnull libsl="$libsl -lthread -l9"
143 3d637e16 2005-01-07 devnull if [ "x$needdraw" = xtrue ]
145 ead3e311 2005-01-04 devnull if [ "x$X11" = "x" ]
147 ead3e311 2005-01-04 devnull X11=/usr/X11R6
149 ead3e311 2005-01-04 devnull libsl="$libsl -L$X11/lib -lX11"
153 2d8fd46b 2004-03-26 devnull extralibs="-lm"
154 8f314994 2004-03-02 devnull tag="${SYSNAME:-`uname`}-${OBJTYPE:-`uname -m`}"
155 dbd7b9a9 2003-11-23 devnull case "$tag" in
156 7d0dbb31 2005-01-07 devnull *OpenBSD*)
158 7d0dbb31 2005-01-07 devnull extralibs="$extralibs -lutil -lpthread"
160 7d0dbb31 2005-01-07 devnull *FreeBSD*)
162 7d0dbb31 2005-01-07 devnull extralibs="$extralibs -lutil"
163 7d0dbb31 2005-01-07 devnull case "`uname -r`" in
164 7d0dbb31 2005-01-07 devnull [5-9].*)
165 7d0dbb31 2005-01-07 devnull extralibs="$extralibs -lpthread"
171 7d0dbb31 2005-01-07 devnull extralibs="$extralibs -lutil"
173 7d0dbb31 2005-01-07 devnull *Linux*)
175 7d0dbb31 2005-01-07 devnull extralibs="$extralibs -lutil"
176 7d0dbb31 2005-01-07 devnull case "`uname -r`" in
178 7d0dbb31 2005-01-07 devnull extralibs="$extralibs -lpthread"
182 7d0dbb31 2005-01-07 devnull *Darwin*)
185 7d0dbb31 2005-01-07 devnull *SunOS*)
186 7d0dbb31 2005-01-07 devnull ld="${CC9:-cc} -g"
187 7d0dbb31 2005-01-07 devnull extralibs="$extralibs -lrt -lpthread -lsocket -lnsl"
188 7d0dbb31 2005-01-07 devnull # Record paths to shared libraries to avoid needing LD_LIBRARY_PATH
189 54bcb7e9 2005-01-16 devnull for i in "$libsl $@"
191 7d0dbb31 2005-01-07 devnull case "$i" in
193 7d0dbb31 2005-01-07 devnull s=`echo $i | sed 's/-L/-R/'`
194 7d0dbb31 2005-01-07 devnull extralibs="$extralibs $s"
200 dbd7b9a9 2003-11-23 devnull echo do not know how to link on "$tag" 1>&2
204 54bcb7e9 2005-01-16 devnull case "$ld" in
206 54bcb7e9 2005-01-16 devnull for i in "$libsl $@"
208 54bcb7e9 2005-01-16 devnull case "$i" in
210 54bcb7e9 2005-01-16 devnull s=`echo $i | sed 's/-L/-Wl,-rpath,/'`
211 54bcb7e9 2005-01-16 devnull extralibs="$extralibs $s"
218 3d637e16 2005-01-07 devnull if $verbose
220 ead3e311 2005-01-04 devnull echo $ld -L$PLAN9/lib "$@" $libsl $extralibs
222 c8b6342d 2005-01-13 devnull if $ld -L$PLAN9/lib "$@" $libsl $extralibs
226 724b43e6 2005-01-07 devnull rm -f $target
