OpenSSL.

file has been included. In this way if symbol is defined in the config file
it will no longer be ignored.

  operating system.

http://curl.haxx.se/mail/lib-2008-04/0443.html

normal build/install (only with the 'make check' target), so that a
build failure in the examples isn't fatal.

Peteris Krumins pointed out that MingW32 doesnt provide a batch file to set the path to the bin folder.

some brief hints about gssapi and libssh2

SSL/TLS layer. http://www.mozilla.org/projects/security/pki/nss/

-fvisibility=hidden on gcc >= 4.0.  This reduces the size of the libcurl
binary and speeds up dynamic linking by hiding all the internal symbols from
the symbol table.

not supporting it. It hasn't been functioning for years anyway, so this is
just finally stating what already was true. And a cleanup at the same time.

document