Description:
------------
When compile with option --with-custom-odbc the compilation isn't. them message Undefined                       first referenced
 symbol                             in file
SQLTransact                         ext/odbc/php_odbc.lo
The include odbc.h are in the include dir
CUSTOM_ODBC_LIBS="-L/usr/wsrt/odbc/lib -lodbc -lodbcinst";export CUSTOM_ODBC_LIBS
LDFLAGS=; export LDFLAGS
CFLAGS="-I/usr/wsrt/odbc/include -I/usr/local/apache2/include -L/usr/wsrt/odbc/lib -lodbc";export CFLAGS


Reproduce code:
---------------
/bin/sh libtool --silent --mode=compile gcc  -Isapi/cli/ -I/export/home/vbalcaza/php-4.3.1/sapi/cli/ -DPHP_ATOM_INC -I/export/home/vbalcaza/php-4.3.1/include -I/export/home/vbalcaza/php-4.3.1/main -I/export/home/vbalcaza/php-4.3.1 -I/usr/local/apache2/include -I/export/home/vbalcaza/php-4.3.1/Zend -I/usr/local/include -I/include -I/export/home/vbalcaza/php-4.3.1/ext/xml/expat  -D_POSIX_PTHREAD_SEMANTICS -I/export/home/vbalcaza/php-4.3.1/TSRM  -g -O2  -prefer-pic -c /export/home/vbalcaza/php-4.3.1/sapi/cli/php_cli.c -o sapi/cli/php_cli.lo 
/bin/sh libtool --silent --mode=compile gcc  -Isapi/cli/ -I/export/home/vbalcaza/php-4.3.1/sapi/cli/ -DPHP_ATOM_INC -I/export/home/vbalcaza/php-4.3.1/include -I/export/home/vbalcaza/php-4.3.1/main -I/export/home/vbalcaza/php-4.3.1 -I/usr/local/apache2/include -I/export/home/vbalcaza/php-4.3.1/Zend -I/usr/local/include -I/include -I/export/home/vbalcaza/php-4.3.1/ext/xml/expat  -D_POSIX_PTHREAD_SEMANTICS -I/export/home/vbalcaza/php-4.3.1/TSRM  -g -O2  -prefer-pic -c /export/home/vbalcaza/php-4.3.1/sapi/cli/getopt.c -o sapi/cli/getopt.lo 
/bin/sh libtool --silent --mode=compile gcc  -Imain/ -I/export/home/vbalcaza/php-4.3.1/main/ -DPHP_ATOM_INC -I/export/home/vbalcaza/php-4.3.1/include -I/export/home/vbalcaza/php-4.3.1/main -I/export/home/vbalcaza/php-4.3.1 -I/usr/local/apache2/include -I/export/home/vbalcaza/php-4.3.1/Zend -I/usr/local/include -I/include -I/export/home/vbalcaza/php-4.3.1/ext/xml/expat  -D_POSIX_PTHREAD_SEMANTICS -I/export/home/vbalcaza/php-4.3.1/TSRM  -g -O2  -prefer-pic -c main/internal_functions_cli.c -o main/internal_functions_cli.lo 
/bin/sh libtool --silent --mode=link gcc -export-dynamic -g -O2  -L/usr/wsrt/odbc/lib -avoid-version -module -L/usr/ucblib -L/usr/local/lib/gcc-lib/sparc-sun-solaris2.9/3.3.2 -L/usr/local/lib  -R /usr/ucblib -R /usr/local/lib/gcc-lib/sparc-sun-solaris2.9/3.3.2 -R /usr/local/lib ext/zlib/zlib.lo ext/zlib/zlib_fopen_wrapper.lo ext/ctype/ctype.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/mysql/php_mysql.lo ext/mysql/libmysql/libmysql.lo ext/mysql/libmysql/errmsg.lo ext/mysql/libmysql/net.lo ext/mysql/libmysql/violite.lo ext/mysql/libmysql/password.lo ext/mysql/libmysql/my_init.lo ext/mysql/libmysql/my_lib.lo ext/mysql/libmysql/my_static.lo ext/mysql/libmysql/my_malloc.lo ext/mysql/libmysql/my_realloc.lo ext/mysql/libmysql/my_create.lo ext/mysql/libmysql/my_delete.lo ext/mysql/libmysql/my_tempnam.lo ext/mysql/libmysql/my_open.lo ext/mysql/libmysql/mf_casecnv.lo ext/mysql/libmysql/my_read.lo ext/mysql/libmysql/my_write.lo ext/mysql/libmysql/errors.lo ext/mysql/libmysql/my_error.lo ext/mysql/libmysql/my_getwd.lo ext/mysql/libmysql/my_div.lo ext/mysql/libmysql/mf_pack.lo ext/mysql/libmysql/my_messnc.lo ext/mysql/libmysql/mf_dirname.lo ext/mysql/libmysql/mf_fn_ext.lo ext/mysql/libmysql/mf_wcomp.lo ext/mysql/libmysql/typelib.lo ext/mysql/libmysql/safemalloc.lo ext/mysql/libmysql/my_alloc.lo ext/mysql/libmysql/mf_format.lo ext/mysql/libmysql/mf_path.lo ext/mysql/libmysql/mf_unixpath.lo ext/mysql/libmysql/my_fopen.lo ext/mysql/libmysql/mf_loadpath.lo ext/mysql/libmysql/my_pthread.lo ext/mysql/libmysql/my_thr_init.lo ext/mysql/libmysql/thr_mutex.lo ext/mysql/libmysql/mulalloc.lo ext/mysql/libmysql/string.lo ext/mysql/libmysql/default.lo ext/mysql/libmysql/my_compress.lo ext/mysql/libmysql/array.lo ext/mysql/libmysql/my_once.lo ext/mysql/libmysql/list.lo ext/mysql/libmysql/my_net.lo ext/mysql/libmysql/dbug.lo ext/mysql/libmysql/strmov.lo ext/mysql/libmysql/strxmov.lo ext/mysql/libmysql/strnmov.lo ext/mysql/libmysql/strmake.lo ext/mysql/libmysql/strend.lo ext/mysql/libmysql/strfill.lo ext/mysql/libmysql/is_prefix.lo ext/mysql/libmysql/int2str.lo ext/mysql/libmysql/str2int.lo ext/mysql/libmysql/strinstr.lo ext/mysql/libmysql/strcont.lo ext/mysql/libmysql/strcend.lo ext/mysql/libmysql/bchange.lo ext/mysql/libmysql/bmove.lo ext/mysql/libmysql/bmove_upp.lo ext/mysql/libmysql/longlong2str.lo ext/mysql/libmysql/strtoull.lo ext/mysql/libmysql/strtoll.lo ext/mysql/libmysql/charset.lo ext/mysql/libmysql/ctype.lo ext/odbc/php_odbc.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/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/ftok.lo ext/standard/aggregation.lo ext/standard/sha1.lo ext/tokenizer/tokenizer.lo ext/xml/xml.lo ext/xml/expat/xmlparse.lo ext/xml/expat/xmlrole.lo ext/xml/expat/xmltok.lo regex/regcomp.lo regex/regexec.lo regex/regerror.lo regex/regfree.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_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 -lpng -lz -lz -lcrypt -lresolv -lm -ldl -lnsl -lsocket -lgcc -lcrypt  -o sapi/cli/php
Undefined                       first referenced
 symbol                             in file
SQLTransact                         ext/odbc/php_odbc.lo
SQLExecute                          ext/odbc/php_odbc.lo
SQLProcedures                       ext/odbc/php_odbc.lo
SQLSetStmtOption                    ext/odbc/php_odbc.lo
SQLConnect                          ext/odbc/php_odbc.lo
SQLExecDirect                       ext/odbc/php_odbc.lo
ld: fatal: Symbol referencing errors. No output written to sapi/cli/php
collect2: ld returned 1 exit status
make: *** [sapi/cli/php] Error 1