3 eea5f6ad 2005-01-17 devnull test -f $PLAN9/config && . $PLAN9/config
6 3d637e16 2005-01-07 devnull doautolib=true
7 3d637e16 2005-01-07 devnull verbose=false
9 ead3e311 2005-01-04 devnull if [ "x$1" = "x-l" ]
12 3d637e16 2005-01-07 devnull doautolib=false
13 ead3e311 2005-01-04 devnull elif [ "x$1" = "x-v" ]
16 3d637e16 2005-01-07 devnull verbose=true
19 724b43e6 2005-01-07 devnull target=a.out
20 724b43e6 2005-01-07 devnull if [ "x$1" = "x-o" ]
22 724b43e6 2005-01-07 devnull target=$2
25 3d637e16 2005-01-07 devnull if $doautolib
27 ead3e311 2005-01-04 devnull ofiles=""
30 ead3e311 2005-01-04 devnull case "$i" in
32 ead3e311 2005-01-04 devnull ofiles="$ofiles $i"
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" ]
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_//' |
47 3d637e16 2005-01-07 devnull for i in $a
49 3d637e16 2005-01-07 devnull autolibs="$autolibs $i"
50 3d637e16 2005-01-07 devnull eval "need$i=true"
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" ]
58 3d637e16 2005-01-07 devnull w="$workq"
60 3d637e16 2005-01-07 devnull for i in $w
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.
66 acc29ab2 2005-07-13 devnull nm $PLAN9/lib/lib$i.a 2>/dev/null |
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
72 3d637e16 2005-01-07 devnull okayfn="true"
73 3d637e16 2005-01-07 devnull for j in $a
75 3d637e16 2005-01-07 devnull if eval "[ x\$need$j = x ]"
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"
81 3d637e16 2005-01-07 devnull if [ $j != $i ]
83 3d637e16 2005-01-07 devnull okayfn="$okayfn && have$j"
86 3d637e16 2005-01-07 devnull # echo "can$i: $okayfn"
87 3d637e16 2005-01-07 devnull eval "can$i() { $okayfn; }"
90 3d637e16 2005-01-07 devnull if $verbose
92 3d637e16 2005-01-07 devnull echo "autolibs $autolibs"
95 ead3e311 2005-01-04 devnull for i in $autolibs
97 3d637e16 2005-01-07 devnull eval "have$i() { false; }"
99 c8b6342d 2005-01-13 devnull havethread() { false; }
100 0d85a1cf 2005-02-11 devnull havesec() { false; }
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 ]
106 3d637e16 2005-01-07 devnull stillneed=""
107 3d637e16 2005-01-07 devnull didnothing=true
108 3d637e16 2005-01-07 devnull for i in $autolibs
110 3d637e16 2005-01-07 devnull if eval "can$i"
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
116 3d637e16 2005-01-07 devnull stillneed="$stillneed $i"
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
124 3d637e16 2005-01-07 devnull for i in $autolibs
128 3d637e16 2005-01-07 devnull echo "dependency cycle: $autolibs; breaking with $j"
129 3d637e16 2005-01-07 devnull eval "can$j() { true; }"
131 3d637e16 2005-01-07 devnull autolibs="$stillneed"
133 3d637e16 2005-01-07 devnull if $verbose
135 3d637e16 2005-01-07 devnull echo "liborder $libsl"
137 ead3e311 2005-01-04 devnull libsl="$libsl -l9"
139 c8b6342d 2005-01-13 devnull # cycle: lib9 expects p9main, which is defined in libthread. oops.
140 359c1e01 2005-01-14 devnull if havethread
142 359c1e01 2005-01-14 devnull libsl="$libsl -lthread -l9"
145 0d85a1cf 2005-02-11 devnull # cycle: lib9 netcrypt uses libsec
146 0d85a1cf 2005-02-11 devnull if havesec
148 0d85a1cf 2005-02-11 devnull libsl="$libsl -lsec -l9"
151 3d637e16 2005-01-07 devnull if [ "x$needdraw" = xtrue ]
153 ead3e311 2005-01-04 devnull if [ "x$X11" = "x" ]
155 ead3e311 2005-01-04 devnull X11=/usr/X11R6
157 c968e519 2005-01-18 devnull # x86_64 seems to put its 64-bit libraries in lib64.
158 c968e519 2005-01-18 devnull if [ "${OBJTYPE:-`uname -m`}" = "x86_64" ]
160 c968e519 2005-01-18 devnull libsl="$libsl -L$X11/lib64"
162 ead3e311 2005-01-04 devnull libsl="$libsl -L$X11/lib -lX11"
166 2d8fd46b 2004-03-26 devnull extralibs="-lm"
167 8f314994 2004-03-02 devnull tag="${SYSNAME:-`uname`}-${OBJTYPE:-`uname -m`}"
168 dbd7b9a9 2003-11-23 devnull case "$tag" in
169 7d0dbb31 2005-01-07 devnull *OpenBSD*)
171 108559b2 2005-01-19 devnull userpath=true
172 a237e87c 2005-07-19 devnull extralibs="$extralibs -lpthread -lutil"
174 7d0dbb31 2005-01-07 devnull *FreeBSD*)
176 108559b2 2005-01-19 devnull userpath=true
177 7d0dbb31 2005-01-07 devnull extralibs="$extralibs -lutil"
178 7d0dbb31 2005-01-07 devnull case "`uname -r`" in
180 8a26417b 2005-02-08 devnull extralibs="$extralibs -lkse"
182 7d0dbb31 2005-01-07 devnull [5-9].*)
183 7d0dbb31 2005-01-07 devnull extralibs="$extralibs -lpthread"
189 108559b2 2005-01-19 devnull userpath=true
190 7d0dbb31 2005-01-07 devnull extralibs="$extralibs -lutil"
192 7d0dbb31 2005-01-07 devnull *Linux*)
194 108559b2 2005-01-19 devnull userpath=true
195 7d0dbb31 2005-01-07 devnull extralibs="$extralibs -lutil"
196 eea5f6ad 2005-01-17 devnull case "${SYSVERSION:-`uname -r`}" in
198 7d0dbb31 2005-01-07 devnull extralibs="$extralibs -lpthread"
202 7d0dbb31 2005-01-07 devnull *Darwin*)
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 $@"
211 7d0dbb31 2005-01-07 devnull case "$i" in
213 7d0dbb31 2005-01-07 devnull s=`echo $i | sed 's/-L/-R/'`
214 7d0dbb31 2005-01-07 devnull extralibs="$extralibs $s"
218 dc305d03 2005-02-08 devnull case "${SYSVERSION:-`uname -r`}" in
220 dc305d03 2005-02-08 devnull echo do not know how to link right thread library on "$tag" 1>&2
223 dc305d03 2005-02-08 devnull # Some trickery is needed to force use of
224 dc305d03 2005-02-08 devnull # alternate thread lib from /usr/lib/lwp
225 dc305d03 2005-02-08 devnull # Likely, this only works with sun cc,
226 dc305d03 2005-02-08 devnull # for other compiler/loader we would need other flags.
227 dc305d03 2005-02-08 devnull ld="$ld -i"
228 dc305d03 2005-02-08 devnull extralibs="$extralibs /usr/lib/lwp/libthread.so -R/usr/lib/lwp:/usr/lib"
233 dbd7b9a9 2003-11-23 devnull echo do not know how to link on "$tag" 1>&2
237 108559b2 2005-01-19 devnull case "$userpath" in
239 54bcb7e9 2005-01-16 devnull for i in "$libsl $@"
241 54bcb7e9 2005-01-16 devnull case "$i" in
243 54bcb7e9 2005-01-16 devnull s=`echo $i | sed 's/-L/-Wl,-rpath,/'`
244 54bcb7e9 2005-01-16 devnull extralibs="$extralibs $s"
251 3d637e16 2005-01-07 devnull if $verbose
253 ead3e311 2005-01-04 devnull echo $ld -L$PLAN9/lib "$@" $libsl $extralibs
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
262 237c3090 2005-03-18 devnull if $ld -L$PLAN9/lib "$@" $libsl $extralibs >$xtmp 2>&1
268 724b43e6 2005-01-07 devnull rm -f $target