--cacert option is not used.

1. An environment variable named CURL_CA_BUNDLE may contain the full file
name to the file.

2. On Windows, the cert file may be named curl-ca-bundle.crt and put in the
same dir as curl is located (or the CWD) and curl will then use that file
instead.

USE_SSLEAY variable

too, as Emiliano Ida has confirmed it to work

badly assumed header, or we think that parts of the buffer is a bad header
and the rest is treated as a normal body part

size isn't big enough. For some reason they now return EAGAIN.

Redhat 8 ships with this glibc version.

the new test case 55.

This caused curl 7.10.1 to crash.

libtool. Otherwise disable it.

specific options. This should make this option work on more platforms with
other compilers.

otherwise the multi interface gets problems

when given in the curl_easy_setopt() and then parse them all on the first
curl_easy_perform() call instead.

interface

as well, as then we write the same data twice.