cleared before this function is called

these days...!

the correct dynamic library names by default, and provides override switches
--with-ldap-lib, --with-lber-lib and --without-lber-lib.  Added
CURL_DISABLE_LDAP to platform-specific config files to disable LDAP
support on those platforms that probably don't have dynamic OpenLDAP
libraries available to avoid compile errors.

that feature 64 bit 'long'.

Some systems have 64 bit time_t and deal with years beyond 2038. However, even
some of the systems with 64 bit time_t returns -1 for dates beyond 03:14:07
UTC, January 19, 2038. (Such as AIX 5100-06)

the cookie "engine" without having to provide an empty or non-existing file.

SAX.h. gcc doesn't like that. Rename.

many third-party libs and tools have problems. When curl is built without
--disable-shared, the testing is done with a front-end script which makes the
valgrind testing include (ba)sh as well and that often causes valgrind
errors. Either we improve the valgrind error scanner a lot to better identify
(lib)curl errors only, or we disable valgrind checking by default