BTW, just to add... php-cgi is also (now) part of php itself. But 'php -v' should show cgi-fcgi. I don't see it in the coolstack dist.
Here is one I built just now using coolstack libraries:
root@zone01:/usr/local/bin# ./php -v
PHP 5.2.1 (cgi-fcgi) (built: Apr 2 2007 13:31:16)
Copyright (c) 1997-2007 The PHP Group
Zend Engine v2.2.0, Copyright (c) 1998-2007 Zend Technologies
root@zone01:/usr/local/bin# ldd php
libpq.so.4 =>/usr/lib/libpq.so.4
librt.so.1 =>/usr/lib/librt.so.1
libmysqlclient.so.15 => /opt/coolstack/mysql_32bit/lib/mysql/libmysqlclient.so.15
libz.so.1 =>/usr/lib/libz.so.1
libsocket.so.1 =>/usr/lib/libsocket.so.1
libnsl.so.1 =>/usr/lib/libnsl.so.1
libm.so.2 =>/usr/lib/libm.so.2
libresolv.so.2 =>/usr/lib/libresolv.so.2
libldap-2.3.so.0 =>/opt/coolstack/lib/libldap-2.3.so.0
liblber-2.3.so.0 =>/opt/coolstack/lib/liblber-2.3.so.0
libgen.so.1 =>/usr/lib/libgen.so.1
libsasl2.so.2 => /opt/coolstack/lib/libsasl2.so.2
libssl.so.0.9.7 =>/usr/sfw/lib/libssl.so.0.9.7
libcrypto.so.0.9.7 =>/usr/sfw/lib/libcrypto.so.0.9.7
libxml2.so.2 => /opt/coolstack/lib/libxml2.so.2
libdl.so.1 =>/usr/lib/libdl.so.1
libpthread.so.1 =>/usr/lib/libpthread.so.1
libiconv.so.2 => /opt/coolstack/lib/libiconv.so.2
libc.so.1 =>/usr/lib/libc.so.1
libaio.so.1 =>/usr/lib/libaio.so.1
libmd5.so.1 =>/usr/lib/libmd5.so.1
libgcc_s.so.1 => /usr/sfw/lib/libgcc_s.so.1
libmp.so.2 =>/usr/lib/libmp.so.2
libscf.so.1 =>/usr/lib/libscf.so.1
libdoor.so.1 => /usr/lib/libdoor.so.1
libuutil.so.1 => /usr/lib/libuutil.so.1