Description:
------------
When trying to compile in the IMAP support, the CLI link dies with:

/bin/sh /home/ler/SOURCE/php/php-4.3.7/libtool --silent --preserve-dup-deps --mode=link cc -Xb -export-dynamic -O -Kpthread  -L/usr/ucblib -L/etc/ssl/lib -L/usr/local/lib -L/home/ler/SOURCE/imap/imap-2004/c-client -L/home/ler/SOURCE/imap/imap-2004/lib -L/usr/local/mysql/lib -L/usr/local/pgsql/lib  -R /usr/ucblib -R /etc/ssl/lib -R /usr/local/lib -R /home/ler/SOURCE/imap/imap-2004/c-client -R /home/ler/SOURCE/imap/imap-2004/lib -R /usr/local/mysql/lib -R /usr/local/pgsql/lib ext/openssl/openssl.lo ext/zlib/zlib.lo ext/zlib/zlib_fopen_wrapper.lo ext/bcmath/bcmath.lo ext/bcmath/libbcmath/src/add.lo ext/bcmath/libbcmath/src/div.lo ext/bcmath/libbcmath/src/init.lo ext/bcmath/libbcmath/src/neg.lo ext/bcmath/libbcmath/src/outofmem.lo ext/bcmath/libbcmath/src/raisemod.lo ext/bcmath/libbcmath/src/rt.lo ext/bcmath/libbcmath/src/sub.lo ext/bcmath/libbcmath/src/compare.lo ext/bcmath/libbcmath/src/divmod.lo ext/bcmath/libbcmath/src/int2num.lo ext/bcmath/libbcmath/src/num2long.lo ext/bcmath/libbcmath/src/output.lo ext/bcmath/libbcmath/src/recmul.lo ext/bcmath/libbcmath/src/sqrt.lo ext/bcmath/libbcmath/src/zero.lo ext/bcmath/libbcmath/src/debug.lo ext/bcmath/libbcmath/src/doaddsub.lo ext/bcmath/libbcmath/src/nearzero.lo ext/bcmath/libbcmath/src/num2str.lo ext/bcmath/libbcmath/src/raise.lo ext/bcmath/libbcmath/src/rmzero.lo ext/bcmath/libbcmath/src/str2num.lo ext/calendar/calendar.lo ext/calendar/dow.lo ext/calendar/french.lo ext/calendar/gregor.lo ext/calendar/jewish.lo ext/calendar/julian.lo ext/calendar/easter.lo ext/calendar/cal_unix.lo ext/ctype/ctype.lo ext/curl/curl.lo ext/curl/curlstreams.lo ext/domxml/php_domxml.lo ext/ftp/php_ftp.lo ext/ftp/ftp.lo ext/gd/gd.lo ext/gd/gdttf.lo ext/gd/libgd/gd.lo ext/gd/libgd/gd_gd.lo ext/gd/libgd/gd_gd2.lo ext/gd/libgd/gd_io.lo ext/gd/libgd/gd_io_dp.lo ext/gd/libgd/gd_io_file.lo ext/gd/libgd/gd_ss.lo ext/gd/libgd/gd_io_ss.lo ext/gd/libgd/gd_png.lo ext/gd/libgd/gd_jpeg.lo ext/gd/libgd/gdxpm.lo ext/gd/libgd/gdfontt.lo ext/gd/libgd/gdfonts.lo ext/gd/libgd/gdfontmb.lo ext/gd/libgd/gdfontl.lo ext/gd/libgd/gdfontg.lo ext/gd/libgd/gdtables.lo ext/gd/libgd/gdft.lo ext/gd/libgd/gdcache.lo ext/gd/libgd/gdkanji.lo ext/gd/libgd/wbmp.lo ext/gd/libgd/gd_wbmp.lo ext/gd/libgd/gdhelpers.lo ext/gd/libgd/gd_topal.lo ext/gd/libgd/gd_gif_in.lo ext/gd/libgd/xbm.lo ext/imap/php_imap.lo ext/mysql/php_mysql.lo ext/overload/overload.lo ext/pcre/pcrelib/maketables.lo ext/pcre/pcrelib/get.lo ext/pcre/pcrelib/study.lo ext/pcre/pcrelib/pcre.lo ext/pcre/php_pcre.lo ext/pgsql/pgsql.lo ext/posix/posix.lo ext/session/session.lo ext/session/mod_files.lo ext/session/mod_mm.lo ext/session/mod_user.lo ext/shmop/shmop.lo regex/regcomp.lo regex/regexec.lo regex/regerror.lo regex/regfree.lo ext/standard/array.lo ext/standard/base64.lo ext/standard/basic_functions.lo ext/standard/browscap.lo ext/standard/crc32.lo ext/standard/crypt.lo ext/standard/cyr_convert.lo ext/standard/datetime.lo ext/standard/dir.lo ext/standard/dl.lo ext/standard/dns.lo ext/standard/exec.lo ext/standard/file.lo ext/standard/filestat.lo ext/standard/flock_compat.lo ext/standard/formatted_print.lo ext/standard/fsock.lo ext/standard/head.lo ext/standard/html.lo ext/standard/image.lo ext/standard/info.lo ext/standard/iptc.lo ext/standard/lcg.lo ext/standard/link.lo ext/standard/mail.lo ext/standard/math.lo ext/standard/md5.lo ext/standard/metaphone.lo ext/standard/microtime.lo ext/standard/pack.lo ext/standard/pageinfo.lo ext/standard/parsedate.lo ext/standard/quot_print.lo ext/standard/rand.lo ext/standard/reg.lo ext/standard/soundex.lo ext/standard/string.lo ext/standard/scanf.lo ext/standard/syslog.lo ext/standard/type.lo ext/standard/uniqid.lo ext/standard/url.lo ext/standard/url_scanner.lo ext/standard/var.lo ext/standard/versioning.lo ext/standard/assert.lo ext/standard/strnatcmp.lo ext/standard/levenshtein.lo ext/standard/incomplete_class.lo ext/standard/url_scanner_ex.lo ext/standard/ftp_fopen_wrapper.lo ext/standard/http_fopen_wrapper.lo ext/standard/php_fopen_wrapper.lo ext/standard/credits.lo ext/standard/css.lo ext/standard/var_unserializer.lo ext/standard/ftok.lo ext/standard/aggregation.lo ext/standard/sha1.lo ext/sysvmsg/sysvmsg.lo ext/sysvsem/sysvsem.lo ext/sysvshm/sysvshm.lo ext/tokenizer/tokenizer.lo ext/xml/xml.lo ext/xml/expat/xmlparse.lo ext/xml/expat/xmlrole.lo ext/xml/expat/xmltok.lo TSRM/TSRM.lo TSRM/tsrm_strtok_r.lo TSRM/tsrm_virtual_cwd.lo main/main.lo main/snprintf.lo main/spprintf.lo main/php_sprintf.lo main/safe_mode.lo main/fopen_wrappers.lo main/alloca.lo main/php_scandir.lo main/php_ini.lo main/SAPI.lo main/rfc1867.lo main/php_content_types.lo main/strlcpy.lo main/strlcat.lo main/mergesort.lo main/reentrancy.lo main/php_variables.lo main/php_ticks.lo main/streams.lo main/network.lo main/php_open_temporary_file.lo main/php_logos.lo main/output.lo main/memory_streams.lo main/user_streams.lo Zend/zend_language_parser.lo Zend/zend_language_scanner.lo Zend/zend_ini_parser.lo Zend/zend_ini_scanner.lo Zend/zend_alloc.lo Zend/zend_compile.lo Zend/zend_constants.lo Zend/zend_dynamic_array.lo Zend/zend_execute_API.lo Zend/zend_highlight.lo Zend/zend_llist.lo Zend/zend_opcode.lo Zend/zend_operators.lo Zend/zend_ptr_stack.lo Zend/zend_stack.lo Zend/zend_variables.lo Zend/zend.lo Zend/zend_API.lo Zend/zend_extensions.lo Zend/zend_hash.lo Zend/zend_list.lo Zend/zend_indent.lo Zend/zend_builtin_functions.lo Zend/zend_sprintf.lo Zend/zend_ini.lo Zend/zend_qsort.lo Zend/zend_multibyte.lo Zend/zend_execute.lo sapi/cli/php_cli.lo sapi/cli/getopt.lo main/internal_functions_cli.lo -lcrypt -lc-client -lssl -lcrypto -lpq -lmysqlclient -lcrypt -lpng -lz -ljpeg -lz -lcurl -lz -lssl -lcrypto -lresolv -lm -lsocket -lcurl -lz -lssl -lcrypto -lnsl -lsocket -lsocket -lz -lxml2 -lz -lm -lsocket -lnsl -lcrypt  -o sapi/cli/php
Undefined                       first referenced
symbol                              in file
imap_getquota                       ext/imap/php_imap.lo
mail_body                           ext/imap/php_imap.lo
mhdriver                            ext/imap/php_imap.lo
mail_fetch_body                     ext/imap/php_imap.lo
pop3driver                          ext/imap/php_imap.lo
imap_getquotaroot                   ext/imap/php_imap.lo
mbxdriver                           ext/imap/php_imap.lo
cpytxt                              ext/imap/php_imap.lo
rfc822_parse_msg_full               ext/imap/php_imap.lo
philedriver                         ext/imap/php_imap.lo
imap_setquota                       ext/imap/php_imap.lo
mail_free_threadnode                ext/imap/php_imap.lo
mail_flag                           ext/imap/php_imap.lo
tenexdriver                         ext/imap/php_imap.lo
ssl_onceonlyinit                    ext/imap/php_imap.lo
imap_setacl                         ext/imap/php_imap.lo
mtxdriver                           ext/imap/php_imap.lo
mail_fetch_header                   ext/imap/php_imap.lo
mail_thread                         ext/imap/php_imap.lo
rfc822_write_address_full           ext/imap/php_imap.lo
mmdfdriver                          ext/imap/php_imap.lo
unixdriver                          ext/imap/php_imap.lo
mail_fetch_structure                ext/imap/php_imap.lo
mail_fetch_text                     ext/imap/php_imap.lo
auth_md5                            ext/imap/php_imap.lo
mail_msgno                          ext/imap/php_imap.lo
utf8_mime2text                      ext/imap/php_imap.lo
UX:ld: ERROR: Symbol referencing errors. No output written to sapi/cli/php
*** Error code 1 (bu21)
UX:make: ERROR: fatal error.
$ 

This has happened since 4.3.4 (IIRC). 

I can supply an account for debug if wanted. 

I also saw something similar on FreeBSD 4.10.