socket functions linking on Solaris

[Bruno Haible]

After I've written some test programs for the socket functions accept(), ...,
shutdown(), these programs get link errors on Solaris 10:


cc -O  -g   -o test-accept test-accept.o libtests.a ../gllib/libgnu.a 
libtests.a  
Undefined                       first referenced
 symbol                             in file
accept                              test-accept.o
ld: fatal: Symbol referencing errors. No output written to test-accept
gmake[2]: *** [test-accept] Error 2

cc -O  -g   -o test-bind test-bind.o libtests.a ../gllib/libgnu.a libtests.a  
-lnsl 
Undefined                       first referenced
 symbol                             in file
bind                                test-bind.o
ld: fatal: Symbol referencing errors. No output written to test-bind
gmake[2]: *** [test-bind] Error 2

cc -O  -g   -o test-connect test-connect.o libtests.a ../gllib/libgnu.a 
libtests.a  -lnsl 
Undefined                       first referenced
 symbol                             in file
connect                             test-connect.o
ld: fatal: Symbol referencing errors. No output written to test-connect
gmake[2]: *** [test-connect] Error 2

cc -O  -g   -o test-getpeername test-getpeername.o libtests.a ../gllib/libgnu.a 
libtests.a  
Undefined                       first referenced
 symbol                             in file
getpeername                         test-getpeername.o
ld: fatal: Symbol referencing errors. No output written to test-getpeername
gmake[2]: *** [test-getpeername] Error 2

cc -O  -g   -o test-getsockname test-getsockname.o libtests.a ../gllib/libgnu.a 
libtests.a  
Undefined                       first referenced
 symbol                             in file
getsockname                         test-getsockname.o
ld: fatal: Symbol referencing errors. No output written to test-getsockname
gmake[2]: *** [test-getsockname] Error 2

cc -O  -g   -o test-getsockopt test-getsockopt.o libtests.a ../gllib/libgnu.a 
libtests.a  
Undefined                       first referenced
 symbol                             in file
getsockopt                          test-getsockopt.o
ld: fatal: Symbol referencing errors. No output written to test-getsockopt
gmake[2]: *** [test-getsockopt] Error 2

cc -O  -g   -o test-listen test-listen.o libtests.a ../gllib/libgnu.a 
libtests.a  
Undefined                       first referenced
 symbol                             in file
listen                              test-listen.o
ld: fatal: Symbol referencing errors. No output written to test-listen
gmake[2]: *** [test-listen] Error 2

cc -O  -g   -o test-recv test-recv.o libtests.a ../gllib/libgnu.a libtests.a  
Undefined                       first referenced
 symbol                             in file
recv                                test-recv.o
ld: fatal: Symbol referencing errors. No output written to test-recv
gmake[2]: *** [test-recv] Error 2

cc -O  -g   -o test-recvfrom test-recvfrom.o libtests.a ../gllib/libgnu.a 
libtests.a  
Undefined                       first referenced
 symbol                             in file
recvfrom                            test-recvfrom.o
ld: fatal: Symbol referencing errors. No output written to test-recvfrom
gmake[2]: *** [test-recvfrom] Error 2

cc -O  -g   -o test-send test-send.o libtests.a ../gllib/libgnu.a libtests.a  
Undefined                       first referenced
 symbol                             in file
send                                test-send.o
ld: fatal: Symbol referencing errors. No output written to test-send
gmake[2]: *** [test-send] Error 2

cc -O  -g   -o test-sendto test-sendto.o libtests.a ../gllib/libgnu.a 
libtests.a  
Undefined                       first referenced
 symbol                             in file
sendto                              test-sendto.o
inet_pton                           test-sendto.o
ld: fatal: Symbol referencing errors. No output written to test-sendto
gmake[2]: *** [test-sendto] Error 2

cc -O  -g   -o test-setsockopt test-setsockopt.o libtests.a ../gllib/libgnu.a 
libtests.a  
Undefined                       first referenced
 symbol                             in file
setsockopt                          test-setsockopt.o
ld: fatal: Symbol referencing errors. No output written to test-setsockopt
gmake[2]: *** [test-setsockopt] Error 2

cc -O  -g   -o test-shutdown test-shutdown.o libtests.a ../gllib/libgnu.a 
libtests.a  
Undefined                       first referenced
 symbol                             in file
shutdown                            test-shutdown.o
ld: fatal: Symbol referencing errors. No output written to test-shutdown


The fix is to link with $(LIBSOCKET), as determined by the 'socketlib' module.


2011-09-18  Bruno Haible  <address@hidden>

        socket functions: Avoid link errors on Solaris.
        * modules/accept (Depends-on): Add socketlib.
        (Link): New section.
        * modules/bind (Depends-on): Add socketlib.
        (Link): New section.
        * modules/connect (Depends-on): Add socketlib.
        (Link): New section.
        * modules/getpeername (Depends-on): Add socketlib.
        (Link): New section.
        * modules/getsockname (Depends-on): Add socketlib.
        (Link): New section.
        * modules/getsockopt (Depends-on): Add socketlib.
        (Link): New section.
        * modules/listen (Depends-on): Add socketlib.
        (Link): New section.
        * modules/recv (Depends-on): Add socketlib.
        (Link): New section.
        * modules/recvfrom (Depends-on): Add socketlib.
        (Link): New section.
        * modules/send (Depends-on): Add socketlib.
        (Link): New section.
        * modules/sendto (Depends-on): Add socketlib.
        (Link): New section.
        * modules/setsockopt (Depends-on): Add socketlib.
        (Link): New section.
        * modules/shutdown (Depends-on): Add socketlib.
        (Link): New section.
        * modules/socket (Depends-on): Add socketlib.
        (Link): New section.

--- modules/accept.orig Mon Sep 19 02:07:26 2011
+++ modules/accept      Mon Sep 19 02:06:15 2011
@@ -7,6 +7,7 @@
 
 Depends-on:
 sys_socket
+socketlib
 errno           [test "$ac_cv_header_winsock2_h" = yes]
 
 configure.ac:
@@ -21,6 +22,9 @@
 Include:
 <sys/socket.h>
 
+Link:
+$(LIBSOCKET)
+
 License:
 LGPLv2+
 
--- modules/bind.orig   Mon Sep 19 02:07:26 2011
+++ modules/bind        Mon Sep 19 02:06:15 2011
@@ -7,6 +7,7 @@
 
 Depends-on:
 sys_socket
+socketlib
 errno           [test "$ac_cv_header_winsock2_h" = yes]
 
 configure.ac:
@@ -21,6 +22,9 @@
 Include:
 <sys/socket.h>
 
+Link:
+$(LIBSOCKET)
+
 License:
 LGPLv2+
 
--- modules/connect.orig        Mon Sep 19 02:07:26 2011
+++ modules/connect     Mon Sep 19 02:06:15 2011
@@ -7,6 +7,7 @@
 
 Depends-on:
 sys_socket
+socketlib
 errno           [test "$ac_cv_header_winsock2_h" = yes]
 
 configure.ac:
@@ -21,6 +22,9 @@
 Include:
 <sys/socket.h>
 
+Link:
+$(LIBSOCKET)
+
 License:
 LGPLv2+
 
--- modules/getpeername.orig    Mon Sep 19 02:07:26 2011
+++ modules/getpeername Mon Sep 19 02:06:15 2011
@@ -8,6 +8,7 @@
 
 Depends-on:
 sys_socket
+socketlib
 errno           [test "$ac_cv_header_winsock2_h" = yes]
 
 configure.ac:
@@ -22,6 +23,9 @@
 Include:
 <sys/socket.h>
 
+Link:
+$(LIBSOCKET)
+
 License:
 LGPLv2+
 
--- modules/getsockname.orig    Mon Sep 19 02:07:26 2011
+++ modules/getsockname Mon Sep 19 02:06:15 2011
@@ -8,6 +8,7 @@
 
 Depends-on:
 sys_socket
+socketlib
 errno           [test "$ac_cv_header_winsock2_h" = yes]
 
 configure.ac:
@@ -22,6 +23,9 @@
 Include:
 <sys/socket.h>
 
+Link:
+$(LIBSOCKET)
+
 License:
 LGPLv2+
 
--- modules/getsockopt.orig     Mon Sep 19 02:07:26 2011
+++ modules/getsockopt  Mon Sep 19 02:06:15 2011
@@ -7,6 +7,7 @@
 
 Depends-on:
 sys_socket
+socketlib
 sys_time        [test "$ac_cv_header_winsock2_h" = yes]
 errno           [test "$ac_cv_header_winsock2_h" = yes]
 
@@ -22,6 +23,9 @@
 Include:
 <sys/socket.h>
 
+Link:
+$(LIBSOCKET)
+
 License:
 LGPLv2+
 
--- modules/listen.orig Mon Sep 19 02:07:26 2011
+++ modules/listen      Mon Sep 19 02:06:15 2011
@@ -7,6 +7,7 @@
 
 Depends-on:
 sys_socket
+socketlib
 errno           [test "$ac_cv_header_winsock2_h" = yes]
 
 configure.ac:
@@ -21,6 +22,9 @@
 Include:
 <sys/socket.h>
 
+Link:
+$(LIBSOCKET)
+
 License:
 LGPLv2+
 
--- modules/recv.orig   Mon Sep 19 02:07:26 2011
+++ modules/recv        Mon Sep 19 02:06:15 2011
@@ -7,6 +7,7 @@
 
 Depends-on:
 sys_socket
+socketlib
 errno           [test "$ac_cv_header_winsock2_h" = yes]
 
 configure.ac:
@@ -21,6 +22,9 @@
 Include:
 <sys/socket.h>
 
+Link:
+$(LIBSOCKET)
+
 License:
 LGPLv2+
 
--- modules/recvfrom.orig       Mon Sep 19 02:07:26 2011
+++ modules/recvfrom    Mon Sep 19 02:06:16 2011
@@ -7,6 +7,7 @@
 
 Depends-on:
 sys_socket
+socketlib
 errno           [test "$ac_cv_header_winsock2_h" = yes]
 getpeername     [test "$ac_cv_header_winsock2_h" = yes]
 
@@ -22,6 +23,9 @@
 Include:
 <sys/socket.h>
 
+Link:
+$(LIBSOCKET)
+
 License:
 LGPLv2+
 
--- modules/send.orig   Mon Sep 19 02:07:26 2011
+++ modules/send        Mon Sep 19 02:06:16 2011
@@ -7,6 +7,7 @@
 
 Depends-on:
 sys_socket
+socketlib
 errno           [test "$ac_cv_header_winsock2_h" = yes]
 
 configure.ac:
@@ -21,6 +22,9 @@
 Include:
 <sys/socket.h>
 
+Link:
+$(LIBSOCKET)
+
 License:
 LGPLv2+
 
--- modules/sendto.orig Mon Sep 19 02:07:26 2011
+++ modules/sendto      Mon Sep 19 02:06:16 2011
@@ -7,6 +7,7 @@
 
 Depends-on:
 sys_socket
+socketlib
 errno           [test "$ac_cv_header_winsock2_h" = yes]
 
 configure.ac:
@@ -21,6 +22,9 @@
 Include:
 <sys/socket.h>
 
+Link:
+$(LIBSOCKET)
+
 License:
 LGPLv2+
 
--- modules/setsockopt.orig     Mon Sep 19 02:07:26 2011
+++ modules/setsockopt  Mon Sep 19 02:06:16 2011
@@ -7,6 +7,7 @@
 
 Depends-on:
 sys_socket
+socketlib
 sys_time        [test "$ac_cv_header_winsock2_h" = yes]
 errno           [test "$ac_cv_header_winsock2_h" = yes]
 
@@ -22,6 +23,9 @@
 Include:
 <sys/socket.h>
 
+Link:
+$(LIBSOCKET)
+
 License:
 LGPLv2+
 
--- modules/shutdown.orig       Mon Sep 19 02:07:26 2011
+++ modules/shutdown    Mon Sep 19 02:06:16 2011
@@ -7,6 +7,7 @@
 
 Depends-on:
 sys_socket
+socketlib
 errno           [test "$ac_cv_header_winsock2_h" = yes]
 
 configure.ac:
@@ -21,6 +22,9 @@
 Include:
 <sys/socket.h>
 
+Link:
+$(LIBSOCKET)
+
 License:
 LGPLv2+
 
--- modules/socket.orig Mon Sep 19 02:19:05 2011
+++ modules/socket      Mon Sep 19 02:17:06 2011
@@ -7,6 +7,7 @@
 
 Depends-on:
 sys_socket
+socketlib
 errno           [test "$ac_cv_header_winsock2_h" = yes]
 sockets         [test "$ac_cv_header_winsock2_h" = yes]
 
@@ -31,6 +32,9 @@
 Include:
 <sys/socket.h>
 
+Link:
+$(LIBSOCKET)
+
 License:
 LGPLv2+
 
-- 
In memoriam Bernhard Bästlein <http://en.wikipedia.org/wiki/Bernhard_Bästlein>