[CentOS] undefined reference when linking against libresolv

Sergio Belkin sebelk at gmail.com
Wed Oct 20 11:15:46 EDT 2010


Hi,


I have a project that is a library that links against libresolv,
It works fine on recent distros: Ubuntu 10.x  Fedora 13, Mandriva
2010.1 but on Centos 5.x I get the following errors


glibc installed is: glibc-2.5-18.el5_1.1

g++ -DHAVE_CONFIG_H -I.  -I./include -I/usr/include/postgresql  -O3
-ansi   -Wall -Wno-deprecated  -D_FORTIFY_SOURCE=0 -MT testUpLog.o -MD
-MP -MF .deps/testUpLog.Tpo -c -o testUpLog.o testUpLog.cc
mv -f .deps/testUpLog.Tpo .deps/testUpLog.Po
/bin/sh ./libtool --tag=CXX   --mode=link g++  -O3 -ansi   -Wall
-Wno-deprecated  -D_FORTIFY_SOURCE=0  -L/usr/lib64 -L/lib64
-L/usr/lib64/mysql -o testUpLog testUpLog.o libUpTools.la -lpq
-lmysqlclient -lssl -lpthread
libtool: link: g++ -O3 -ansi -Wall -Wno-deprecated -D_FORTIFY_SOURCE=0
-o .libs/testUpLog testUpLog.o  -L/usr/lib64 -L/lib64
-L/usr/lib64/mysql ./.libs/libUpTools.so -lpq -lmysqlclient -lssl
-lpthread
./.libs/libUpTools.so: undefined reference to `__ns_name_uncompress'
./.libs/libUpTools.so: undefined reference to `__ns_initparse'
./.libs/libUpTools.so: undefined reference to `__ns_parserr'
collect2: ld returned 1 exit status
make[1]: *** [testUpLog] Error 1
make[1]: Leaving directory `/tmp/UpTools-8.5.3'
make: *** [check-am] Error 2


library.la file contains:
dlname='libUpTools.so.0'
library_names='libUpTools.so.0.0.0 libUpTools.so.0 libUpTools.so'
old_library='libUpTools.a'
inherited_linker_flags=''
dependency_libs=' -L/usr/lib64 -L/lib64 -L/usr/lib64/mysql -lpq
-lmysqlclient -lssl -lpthread'
weak_library_names=''
current=0
age=0
revision=0
installed=no
shouldnotlink=no
dlopen=''
dlpreopen=''
libdir='/usr/lib'


You can read my files on pastebin.com

*configure.ac

http://pastebin.com/hs5q21Rq

*Makefile.am;

http://pastebin.com/KW1sGZve

Thanks in advance


-- 
--
Sergio Belkin http://www.sergiobelkin.com
Watch More TV http://sebelk.blogspot.com
Sergio Belkin -


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