This hasn't been used in over a decade. <precheck> can still be used to
run commands before the main test.

Closes #1509

follow-up to f31760e6

Reported-by: Michael Kaufmann
Bug: https://github.com/curl/curl/pull/1495#issuecomment-303982793

Fix bugs and compiler warnings on systems with 32-bit long and
64-bit time_t.

Reviewed-by: Daniel Stenberg

Closes #1499

This is contained in -Wextra with GCC 7.

Closes #1321

Test 1261 added to verify.

Reported-by: Lloyd Fournier

Fixes #1489
Closes #1497

* LDAP: using ldap_bind_s on Windows with methods(BASIC/DIGEST/NTLM/AUTONEG)

* ldap: updated per build options handling

* ldap: fixed logic for auth selection

Fixed a syntax error with setting cache variables (The type and
docstring were missing), resulting in build errors.  Quoted the
CURL_CA_PATH and CURL_CA_BUNDLE otherwise the path was written without
quotes in C code, resulting in build errors.

Closes #1503

Signed-off-by: Akhil <akhil.kedia@samsung.com>

follow-up to 4cdb1be8

.... caused by a typo in the last commit (fixing issue #1504):

memdebug.c: In function ‘curl_fclose’:
memdebug.c:444:3: error: implicit declaration of function
‘DEBUGDEBUGASSERT’ [-Werror=implicit-function-declaration]

... as it does extra checks to actually work.

Reported-by: jonrumsey at github
Fixes #1504

Closes #1461

This is for symmetry with the autoconf generated curl_config.h.in

Pass the invalid domain name on stdin. On some systems, the test
framework cannot pass invalid UTF-8 sequences on the command line.

Closes #1488

... as otherwise it risks not cleaning up the libssh2 handle properly
which leads to memory leak!

Assisted-by: Joel Depooter

Closes #1495
Closes #1479

Bug: https://curl.haxx.se/mail/lib-2017-04/0024.html

It takes someone to read up on the APIs of these libraries to figure out
how to do this correctly.

Reported-by: Michael Kaufmann

Closes #1253

That means delete the timer.

Reported-by: Michael Kaufmann
Ref: #1253

Since the man page generator wants the long option name version to
generate the proper output.

... as part of hugehelpgz rodata to make build reproducible.

See https://reproducible-builds.org/ for why this is good

Closes #1490

if no error was raised by the API but the SecIdentityRef was null

Fixes #1450

Reported-by: wyattoday at github
Fixes #1487

Closes #1400

follow-up to 5ddad099