Undefined references during linking

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seisatsu
Posts: 3
Joined: Sun Aug 15, 2010 6:44 am

Undefined references during linking

Post by seisatsu »

At the end of the compilation process, when GCC tries to link ircd, I get the following error.

Note: I am using a 64 bit system.

Code: Select all

gcc -I../include -I/var/unreal/extras/regexp/include -I/var/unreal/extras/c-ares/include -L../extras/c-ares/lib -pipe -g -O2 -funsigned-char -fno-strict-aliasing -Wno-pointer-sign -DZIP_LINKS -export-dynamic   -lssl -lcrypto -o ircd timesynch.o res.o s_bsd.o auth.o aln.o channel.o cloak.o crule.o dbuf.o events.o fdlist.o hash.o help.o ircd.o ircsprintf.o list.o lusers.o match.o modules.o packet.o parse.o s_auth.o s_conf.o s_debug.o s_err.o s_extra.o s_kline.o s_misc.o s_numeric.o s_serv.o s_svs.o  socket.o ssl.o s_user.o charsys.o scache.o send.o support.o umodes.o version.o whowas.o zip.o cidr.o random.o extcmodes.o extbans.o md5.o api-isupport.o api-command.o   -lcrypt -lnsl  -lz -ldl -L../extras/regexp/lib -ltre -lcares -lrt -lssl -lcrypto
res.o: In function `init_resolver':
/var/unreal/src/res.c:123: undefined reference to `config_error'
s_bsd.o: In function `add_connection':
/var/unreal/src/s_bsd.c:1266: undefined reference to `Find_ban'
s_bsd.o: In function `check_client':
/var/unreal/src/s_bsd.c:790: undefined reference to `AllowClient'
auth.o: In function `Auth_CheckError':
/var/unreal/src/auth.c:122: undefined reference to `config_error'
/var/unreal/src/auth.c:99: undefined reference to `config_error'
/var/unreal/src/auth.c:110: undefined reference to `config_error'
/var/unreal/src/auth.c:93: undefined reference to `config_error'
/var/unreal/src/auth.c:132: undefined reference to `config_error'
auth.o:/var/unreal/src/auth.c:140: more undefined references to `config_error' follow
hash.o: In function `throttle_can_connect':
/var/unreal/src/hash.c:912: undefined reference to `Find_except'
help.o: In function `Find_Help':
/var/unreal/src/help.c:38: undefined reference to `conf_help'
/var/unreal/src/help.c:32: undefined reference to `conf_help'
ircd.o: In function `check_pings':
/var/unreal/src/ircd.c:583: undefined reference to `Find_ban'
/var/unreal/src/ircd.c:563: undefined reference to `Find_ban'
/var/unreal/src/ircd.c:573: undefined reference to `Find_ban'
ircd.o: In function `main':
/var/unreal/src/ircd.c:1319: undefined reference to `config_verbose'
/var/unreal/src/ircd.c:1426: undefined reference to `init_dynconf'
/var/unreal/src/ircd.c:1439: undefined reference to `default_class'
/var/unreal/src/ircd.c:1446: undefined reference to `conf_class'
/var/unreal/src/ircd.c:1442: undefined reference to `default_class'
/var/unreal/src/ircd.c:1443: undefined reference to `default_class'
/var/unreal/src/ircd.c:1444: undefined reference to `default_class'
/var/unreal/src/ircd.c:1445: undefined reference to `default_class'
/var/unreal/src/ircd.c:1446: undefined reference to `default_class'
/var/unreal/src/ircd.c:1447: undefined reference to `init_conf'
ircd.o: In function `main':
/usr/include/bits/string3.h:123: undefined reference to `conf_me'
/usr/include/bits/string3.h:123: undefined reference to `conf_me'
ircd.o: In function `main':
/var/unreal/src/ircd.c:1519: undefined reference to `conf_listen'
/var/unreal/src/ircd.c:1529: undefined reference to `conf_listen'
/var/unreal/src/ircd.c:1530: undefined reference to `conf_listen'
/var/unreal/src/ircd.c:1532: undefined reference to `run_configuration'
ircd.o: In function `main':
/usr/include/bits/string3.h:123: undefined reference to `conf_listen'
ircd.o: In function `main':
/var/unreal/src/ircd.c:1547: undefined reference to `conf_listen'
/var/unreal/src/ircd.c:1554: undefined reference to `conf_me'
/var/unreal/src/ircd.c:1836: undefined reference to `rehash'
ircd.o: In function `try_connections':
/var/unreal/src/ircd.c:461: undefined reference to `conf_link'
/var/unreal/src/ircd.c:495: undefined reference to `conf_deny_link'
ircd.o: In function `main':
/var/unreal/src/ircd.c:1463: undefined reference to `config_error'
modules.o: In function `efunctions_check':
/var/unreal/src/modules.c:1718: undefined reference to `config_error'
/var/unreal/src/modules.c:1711: undefined reference to `config_error'
/var/unreal/src/modules.c:1706: undefined reference to `config_error'
modules.o: In function `callbacks_check':
/var/unreal/src/modules.c:1647: undefined reference to `config_error'
modules.o:/var/unreal/src/modules.c:1633: more undefined references to `config_error' follow
modules.o: In function `module_loadall':
/var/unreal/src/modules.c:940: undefined reference to `config_status'
modules.o: In function `Init_all_testing_modules':
/var/unreal/src/modules.c:556: undefined reference to `config_error'
modules.o: In function `DeleteTempModules':
/var/unreal/src/modules.c:185: undefined reference to `config_error'
modules.o: In function `Module_Depend_Resolve':
/var/unreal/src/modules.c:996: undefined reference to `config_progress'
/var/unreal/src/modules.c:1006: undefined reference to `config_progress'
/var/unreal/src/modules.c:1001: undefined reference to `config_progress'
s_extra.o: In function `ircd_log':
/var/unreal/src/s_extra.c:292: undefined reference to `conf_log'
s_extra.o: In function `channel_canjoin':
/var/unreal/src/s_extra.c:265: undefined reference to `conf_deny_channel'
/var/unreal/src/s_extra.c:267: undefined reference to `Find_channel_allowed'
s_extra.o: In function `dcc_sync':
/var/unreal/src/s_extra.c:108: undefined reference to `conf_deny_dcc'
s_extra.o: In function `dcc_wipe_services':
/var/unreal/src/s_extra.c:143: undefined reference to `conf_deny_dcc'
/var/unreal/src/s_extra.c:148: undefined reference to `conf_deny_dcc'
s_extra.o: In function `DCCdeny_del':
/var/unreal/src/s_extra.c:131: undefined reference to `conf_deny_dcc'
s_extra.o: In function `DCCdeny_add':
/var/unreal/src/s_extra.c:126: undefined reference to `conf_deny_dcc'
s_extra.o:/var/unreal/src/s_extra.c:86: more undefined references to `conf_deny_dcc' follow
s_extra.o: In function `dcc_isdiscouraged':
/var/unreal/src/s_extra.c:93: undefined reference to `conf_allow_dcc'
s_extra.o: In function `dcc_isforbidden':
/var/unreal/src/s_extra.c:60: undefined reference to `conf_deny_dcc'
/var/unreal/src/s_extra.c:67: undefined reference to `conf_allow_dcc'
s_misc.o: In function `exit_client':
/var/unreal/src/s_misc.c:517: undefined reference to `delete_classblock'
/var/unreal/src/s_misc.c:551: undefined reference to `listen_cleanup'
/var/unreal/src/s_misc.c:532: undefined reference to `delete_linkblock'
s_serv.o: In function `m_die':
/var/unreal/src/s_serv.c:1193: undefined reference to `conf_drpass'
s_serv.o: In function `m_botmotd':
/var/unreal/src/s_serv.c:1149: undefined reference to `Find_tld'
s_serv.o: In function `m_opermotd':
/var/unreal/src/s_serv.c:1003: undefined reference to `Find_tld'
s_serv.o: In function `m_motd':
/var/unreal/src/s_serv.c:948: undefined reference to `Find_tld'
s_serv.o: In function `short_motd':
/var/unreal/src/s_serv.c:862: undefined reference to `Find_tld'
s_serv.o: In function `rehash_motdrules':
/var/unreal/src/s_serv.c:593: undefined reference to `conf_tld'
s_serv.o: In function `m_restart':
/var/unreal/src/s_serv.c:818: undefined reference to `conf_drpass'
/var/unreal/src/s_serv.c:809: undefined reference to `conf_drpass'
s_serv.o: In function `m_rehash':
/var/unreal/src/s_serv.c:772: undefined reference to `rehash'
s_svs.o: In function `m_alias':
/var/unreal/src/s_svs.c:230: undefined reference to `Find_alias'
charsys.o: In function `charsys_test_language':
/var/unreal/src/charsys.c:433: undefined reference to `config_error'
charsys.o: In function `charsys_postconftest':
/var/unreal/src/charsys.c:396: undefined reference to `config_status'
/var/unreal/src/charsys.c:375: undefined reference to `config_error'
charsys.o: In function `charsys_addallowed':
/var/unreal/src/charsys.c:269: undefined reference to `config_error'
support.o: In function `unreal_copyfile':
/var/unreal/src/support.c:1800: undefined reference to `config_error'
/var/unreal/src/support.c:1782: undefined reference to `config_error'
/var/unreal/src/support.c:1793: undefined reference to `config_error'
support.o:/var/unreal/src/support.c:1807: more undefined references to `config_error' follow
collect2: ld returned 1 exit status
make[1]: *** [ircd] Error 1
make[1]: Leaving directory `/var/unreal/src'
make: *** [build] Error 2
mreiley@omega-15:/var/unreal$
warg
Posts: 63
Joined: Mon Jul 12, 2010 8:12 am

Re: Undefined references during linking

Post by warg »

It seems h.h isn't being included, however it should be (Note the -I../include).

Please tell us your distribution and version, gcc version, what steps you took to compile UnrealIRCd, and wether or not the sources have been modified.
"A foolish consistency is the hobgoblin of little minds, adored by little statesmen and philosophers and divines." — Ralph Waldo Emerson
seisatsu
Posts: 3
Joined: Sun Aug 15, 2010 6:44 am

Re: Undefined references during linking

Post by seisatsu »

It's Ubuntu 10.04 X86_64 Server Edition, and it's a VPS.
GCC 4.4.3
Sources are unmodified.
I ran ./Config, and then make. However, the VPS has limited resources, and my SSH session kept dying when compiling certain files. I would log back in, descend into the src directory, copy the exact GCC line that was last run, and run it under nohup. That way, after SSH died, when I logged back in, GCC would be done running and I could run make again. I only had to do this twice to compile the whole source. Make ran fine until the linking.
seisatsu
Posts: 3
Joined: Sun Aug 15, 2010 6:44 am

Re: Undefined references during linking

Post by seisatsu »

Sorry for the double bump, but my issue is still not resolved.
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