Something

gcc -D_GNU_SOURCE -o openpbx openpbx-io.o openpbx-sched.o openpbx-logger.o openpbx-frame.o openpbx-loader.o openpbx-config.o openpbx-channel.o openpbx-translate.o openpbx-file.o openpbx-say.o openpbx-pbx.o openpbx-cli.o openpbx-md5.o openpbx-term.o openpbx-ulaw.o openpbx-alaw.o openpbx-callerid.o openpbx-fskmodem.o openpbx-image.o openpbx-app.o openpbx-cdr.o openpbx-tdd.o openpbx-acl.o openpbx-rtp.o openpbx-manager.o openpbx-openpbx.o openpbx-dsp.o openpbx-chanvars.o openpbx-indications.o openpbx-autoservice.o openpbx-db.o openpbx-privacy.o openpbx-opbxmm.o openpbx-enum.o openpbx-srv.o openpbx-dns.o openpbx-aescrypt.o openpbx-aestab.o openpbx-aeskey.o openpbx-utils.o openpbx-plc.o openpbx-jitterbuf.o openpbx-dnsmgr.o openpbx-devicestate.o openpbx-netsock.o openpbx-resonator.o openpbx-slinfactory.o openpbx-opbx_expr2.o openpbx-opbx_expr2f.o openpbx-strcompat.o  editline/libedit.a db1-ast/libdb1.a stdtime/libtime.a -ltonezone -ltermcap -lssl -lsqlite -lspeex -lrt -lresolv -lpthread -lpq -lodbc -lnsl -lnewt -lncurses -lm -lilbc -lexpat -ldl -ldb -lcrypto -lc -lasound -lz
db1-ast/libdb1.a(libdb1_a-db.o)(.text+0x63): In function `dbopen':
: undefined reference to `__bt_open'
db1-ast/libdb1.a(libdb1_a-rec_open.o)(.text+0xeb): In function `__rec_open':
: undefined reference to `__bt_open'
db1-ast/libdb1.a(libdb1_a-rec_open.o)(.text+0x110): In function `__rec_open':
: undefined reference to `__bt_open'
db1-ast/libdb1.a(libdb1_a-rec_put.o)(.text+0x493): In function `__rec_iput':
: undefined reference to `__ovfl_put'
db1-ast/libdb1.a(libdb1_a-rec_utils.o)(.text+0x14c): In function `__rec_ret':
: undefined reference to `__ovfl_get'
db1-ast/libdb1.a(libdb1_a-bt_split.o)(.text+0xcb2): In function `bt_page':
: undefined reference to `__bt_new'
db1-ast/libdb1.a(libdb1_a-bt_split.o)(.text+0xf31): In function `bt_root':
: undefined reference to `__bt_new'
db1-ast/libdb1.a(libdb1_a-bt_split.o)(.text+0xf49): In function `bt_root':
: undefined reference to `__bt_new'
db1-ast/libdb1.a(libdb1_a-rec_delete.o)(.text+0x222): In function `__rec_dleaf':
: undefined reference to `__ovfl_delete'
collect2: ld returned 1 exit status
make[1]: *** [openpbx] Error 1
make[1]: Leaving directory `/home/rewt/opbx/svn.openpbx.org/trunk'
make: *** [all-recursive] Error 1
[rewt@localhost trunk]$