[R-sig-Debian] Configure error: checking if libcurl supports https... no --- slight update.

[Rolf Turner]

On Mon, 30 Aug 2021 08:00:34 +0200
Johannes Ranke <johannes.ranke using jrwb.de> wrote:

> Hi Rolf,
> 
> Am Montag, 30. August 2021, 07:42:56 CEST schrieb Rolf Turner:
> > Hi All,
> > 
> > I just thought I'd let you know that I've tried a couple of other
> > things.  No real progress, but.
> > 
> > (1) In respect of just-plain-curl: to make the issue clearer, I
> > tried
> > 
> >     curl --version
> > 
> > and got:
> > > > curl: /usr/local/lib/libcurl.so.4: no version information
> > > > available (required by curl)
> > > 
> > > curl: symbol lookup error: curl: undefined symbol: curl_mime_free,
> > > version CURL_OPENSSL_4
> > 
> > I found that there was another, apparently newer, version of
> > libcurl.so.4 in /usr/lib/x86_64-linux-gnu.  I realised that I did
> > not have /usr/lib/x86_64-linux-gnu in my LD_LIBRARY_PATH.  So I put
> > it into that path (*before* /usr/local/lib) and "curl --version" now
> > 
> > seems to be OK and gives:
> > > curl 7.68.0 (x86_64-pc-linux-gnu) libcurl/7.68.0 OpenSSL/1.1.1f
> > > zlib/1.2.11 brotli/1.0.7 libidn2/2.2.0 libpsl/0.21.0
> > > (+libidn2/2.2.0) libssh/0.9.3/openssl/zlib nghttp2/1.40.0
> > > librtmp/2.3 Release-Date: 2020-01-08 Protocols: dict file ftp ftps
> > > gopher http https imap imaps ldap ldaps pop3 pop3s rtmp rtsp scp
> > > sftp smb smbs smtp smtps telnet tftp Features: AsynchDNS brotli
> > > GSS-API HTTP2 HTTPS-proxy IDN IPv6 Kerberos Largefile libz NTLM
> > > NTLM_WB PSL SPNEGO SSL TLS-SRP UnixSockets
> > 
> > which verbose, but I guess that's alright.
> 
> That may be OK for your the curl binary you are using (likely
> /usr/local/bin/ curl, you still owe use the output of 'which curl'.

Actually "which curl" yields "/usr/bin/curl".  Not that it really
matters (???).

> But it seems you still have a curl/libcurl version in /usr/local that
> you should get rid of, as it gets in the way of configuring R.

I don't think so.  I did "sudo find /usr -name "*curl*" -print".  The
results are attached in the file "curlSearch.txt".  I am too ignorant
to discern what might be problematic, but nothing obvious leaps out at
me.  Could the stuff in /usr/local/include/curl be a source of
difficulty?

 cheers,

Rolf

-- 
Honorary Research Fellow
Department of Statistics
University of Auckland
Phone: +64-9-373-7599 ext. 88276

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