Problems with installing PHP 4.3.1

I'm getting the an error trying to install PHP 4.3.1 with MySQL support: ext/mysql/libmysql/my_tempnam.lo(.text+0x4c): In function `my_tempnam': /src/php-4.3.1/ext/mysql/libmysql/my_tempnam.c:103: the use of `tempnam' is dange rous, better use `mkstemp' ext/mysql/libmysql/my_lib.lo(.text+0x3d1): In function `my_dir': /src/php-4.3.1/ext/mysql/libmysql/my_lib.c:169: undefined reference to `errno' ext/mysql/libmysql/my_lib.lo(.text+0x5ef): In function `my_stat': /src/php-4.3.1/ext/mysql/libmysql/my_lib.c:588: undefined reference to `errno' ext/mysql/libmysql/my_malloc.lo(.text+0xde): In function `my_malloc': /src/php-4.3.1/ext/mysql/libmysql/my_malloc.c:24: undefined reference to `errno' ext/mysql/libmysql/my_realloc.lo(.text+0xd5): In function `my_realloc': /src/php-4.3.1/ext/mysql/libmysql/my_realloc.c:44: undefined reference to `errno' ext/mysql/libmysql/my_delete.lo(.text+0x86): In function `my_delete': /src/php-4.3.1/ext/mysql/libmysql/my_delete.c:16: undefined reference to `errno' ext/mysql/libmysql/my_tempnam.lo(.text+0x89):/src/php-4.3.1/ext/mysql/libmysql/my _tempnam.c:108: more undefined references to `errno' follow collect2: ld returned 1 exit status make: *** [sapi/cli/php] Error 1 CMD line I'm using on Config: ./configure --prefix=/wwwroot/php --with-apxs2=/wwwroot/bin/apxs --with-config-file-patch=/wwwroot/php --with-mysql MySQL installed is version 4.0 using RPMs from the MySQL site. Anybody have any idea why this happens and how to fix it? I'm at a lost here. It looks to me it's chocking on it's own MySQL library files.