Fail to compile CGI version of php 4.0.3pl1 on Solaris

Dear PHP mailing list, We are compiling php 4.0.3pl1 on Solaris 2.6 with gcc 2.95.2 compiler. The compiling for CGI version of php 4.0.3pl1 failed with the following message: Making all in . /bin/sh /site5/SOURCE/INSTALL/php-4.0.3pl1/libtool --silent --mode=link gcc -I. -I/site5/SOURCE/INSTALL/php-4.0.3pl1/ -I/site5/SOURCE/INSTALL/php-4.0.3pl1 -I/site5/SOURCE/INSTALL/php-4.0.3pl1/main -I/site5/SOURCE/INSTALL/php-4.0.3pl1/Zend -I/site5/SOURCE/INSTALL/php-4.0.3pl1 -I/depot/package/gdbm_1.8/include -I/depot/package/gd_1.7.3/include -I/site/subsys/openLDAP_1.2.7/include -I/depot/package/mcrypt_2.2.5/include -I/depot/package/mhash_0.6.1/include -I/site/subsys/www/mysql_3.22.32/include/mysql -I/site/subsys/www/mm_1.1.2/include -I/site5/SOURCE/INSTALL/php-4.0.3pl1/ext/xml/expat/xmltok -I/site5/SOURCE/INSTALL/php-4.0.3pl1/ext/xml/expat/xmlparse -I/depot/package/zlib_1.1.3/include -I/site5/SOURCE/INSTALL/php-4.0.3pl1/TSRM -I/depot/include -I/site/subsys/www/mysql/include/mysql -D_POSIX_PTHREAD_SEMANTICS -DXML_BYTE_ORDER=21 -g -O2 -L/depot/lib -L/site/subsys/www/mysql/lib -o php -export-dynamic stub.lo libphp4.la Undefined first referenced symbol in file prterror .libs/libphp4.a(getopt.o) ld: fatal: Symbol referencing errors. No output written to php collect2: ld returned 1 exit status *** Error code 1 make: Fatal error: Command failed for target `php' Current working directory /site5/SOURCE/INSTALL/php-4.0.3pl1 *** Error code 1 make: Fatal error: Command failed for target `all-recursive' Does anybody have an idea about the problem? Thanks, Ziying Sherwin