Description:
------------
Compilation error. I get this if I omit --with-pdo-mysql too, I think --with-pdo-
sqlite is default. In such case I get a different error: 

...
Zend/zend_default_classes.lo Zend/zend_execute.lo main/internal_functions_cli.lo 
sapi/cli/php_cli.lo sapi/cli/php_http_parser.lo sapi/cli/php_cli_server.lo -
lcrypt -lresolv -lcrypt -lrt -lrt -lm -ldl -lnsl -lrt -lxml2 -lxml2 -lxml2 -
lcrypt -lxml2 -lxml2 -lxml2 -lcrypt  -o sapi/cli/php
ext/pdo_sqlite/.libs/pdo_sqlite.o: In function `get_module':
/usr/local/src/php-5.4.0RC7/ext/pdo_sqlite/pdo_sqlite.c:74: multiple definition 
of `get_module'
ext/pdo/.libs/pdo.o:/usr/local/src/php-5.4.0RC7/ext/pdo/pdo.c:171: first defined 
here
collect2: ld returned 1 exit status
make: *** [sapi/cli/php] Error 1

Test script:
---------------
$ ./configure --enable-fpm --enable-cli --enable-mbstring --enable-inline-optimization --with-pdo-mysql
$ make && make install

Expected result:
----------------
Generating files
configure: creating ./config.status
,,,,,,

Actual result:
--------------
.....
Zend/zend_default_classes.lo Zend/zend_execute.lo main/internal_functions_cli.lo 
sapi/cli/php_cli.lo sapi/cli/php_http_parser.lo sapi/cli/php_cli_server.lo -
lcrypt -lresolv -lcrypt -lrt -lrt -lm -ldl -lnsl -lrt -lxml2 -lxml2 -lxml2 -
lcrypt -lxml2 -lxml2 -lxml2 -lcrypt  -o sapi/cli/php
ext/pdo_sqlite/.libs/pdo_sqlite.o: In function `get_module':
/usr/local/src/php-5.4.0RC7/ext/pdo_sqlite/pdo_sqlite.c:74: multiple definition 
of `get_module'
ext/pdo/.libs/pdo.o:/usr/local/src/php-5.4.0RC7/ext/pdo/pdo.c:171: first defined 
here
collect2: ld returned 1 exit status
make: *** [sapi/cli/php] Error 1