Re: OAUTH2 Dilemma

Dennis Putnam <[email protected]> Mon, 2 May 2022 14:34:15 -0400
Newsgroups	gmane.mail.fetchmail.user
Message-ID	<[email protected]>
On 3/27/2022 7:42 AM, Matthias Andree wrote:
> Am 26.03.22 um 21:20 schrieb Dennis Putnam:
>> It appears Fetchmail 7 requires TLS 1.3. I am running CentOS 7 and the
>> support folks tell me that RedHat does not intend to add TLS 1.3 to
>> CentOS. I wonder if it will be added to RHEL? Anyway, that means I am
>> stuck using Fetchmail 6 for the foreseeable future. Before I go to the
>> trouble, do the OAUTH2 patches for Fetchmail 6 also require TLS 1.3? 
>> TIA.
>>
> Dennis,
>
> that's a bit of a letdown although I understand that in a stable CentOS
> 7 series they don't want major changes, and TLS v1.3 in itself is one,
> so you are stuck between a rock and a hard place... but you can work
> yourself out of this.
>
> You can install the latest OpenSSL 3.0.x to a separate directory,
> WARNING UNTESTED because I do not have CentOS 7,
> but somewhere along the lines of but maybe needs tweaking:
> unpack OpenSSL 3.0.x, then
> ./config --prefix /opt/openssl3 --openssldir=/usr/lib64
> -Wl,-rpath=/opt/openssl3/lib
> -- and then point your fetchmail 7 alpha build there to use it, with
> ./configure --with-ssl=/opt/openssl3
>
> The additional burden on you will then be to watch future OpenSSL 3.0.x
> releases and upgrade your /opt/openssl3 should security fixes become
> necessary in some future OpenSSL version, so take notes of what worked
> for you if you had to tweak things.
>
> Hope that helps.
> Matthias
>
Hi Matthias,

I am now getting back to this project. Now that OpenSSL 3 is installed 
(/opt/openssl3) I ran configure as you specified. When I run make, I am 
getting this:

make  all-recursive
make[1]: Entering directory `/home/dap/Downloads/fetchmail-7.0.0-alpha9'
Making all in .
make[2]: Entering directory `/home/dap/Downloads/fetchmail-7.0.0-alpha9'
depbase=`echo socket.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT socket.o -MD -MP 
-MF $depbase.Tpo -c -o socket.o socket.c &&\
mv -f $depbase.Tpo $depbase.Po
socket.c: In function ‘SSLOpen’:
socket.c:997:3: warning: implicit declaration of function 
‘SSL_load_error_strings’; did you mean ‘ERR_lib_error_string’? 
[-Wimplicit-function-declaration]
    SSL_load_error_strings();
    ^~~~~~~~~~~~~~~~~~~~~~
    ERR_lib_error_string
socket.c:998:3: warning: implicit declaration of function 
‘SSL_library_init’; did you mean ‘SSL_in_init’? 
[-Wimplicit-function-declaration]
    SSL_library_init();
    ^~~~~~~~~~~~~~~~
    SSL_in_init
socket.c:999:3: warning: implicit declaration of function 
‘OpenSSL_add_all_algorithms’; did you mean ‘OBJ_id_tc26_algorithms’? 
[-Wimplicit-function-declaration]
    OpenSSL_add_all_algorithms(); /* see Debian Bug#576430 and manpage */
    ^~~~~~~~~~~~~~~~~~~~~~~~~~
    OBJ_id_tc26_algorithms
socket.c:1000:21: warning: implicit declaration of function ‘SSLeay’; 
did you mean ‘SSLerr’? [-Wimplicit-function-declaration]
    ssl_lib_version = SSLeay();
                      ^~~~~~
                      SSLerr
depbase=`echo getpass.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT getpass.o -MD -MP 
-MF $depbase.Tpo -c -o getpass.o getpass.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo fetchmail.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT fetchmail.o -MD -MP 
-MF $depbase.Tpo -c -o fetchmail.o fetchmail.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo env.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT env.o -MD -MP -MF 
$depbase.Tpo -c -o env.o env.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo idle.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT idle.o -MD -MP -MF 
$depbase.Tpo -c -o idle.o idle.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo options.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT options.o -MD -MP 
-MF $depbase.Tpo -c -o options.o options.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo daemon.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT daemon.o -MD -MP 
-MF $depbase.Tpo -c -o daemon.o daemon.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo driver.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT driver.o -MD -MP 
-MF $depbase.Tpo -c -o driver.o driver.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo transact.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT transact.o -MD -MP 
-MF $depbase.Tpo -c -o transact.o transact.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo sink.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT sink.o -MD -MP -MF 
$depbase.Tpo -c -o sink.o sink.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo smtp.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT smtp.o -MD -MP -MF 
$depbase.Tpo -c -o smtp.o smtp.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo idlist.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT idlist.o -MD -MP 
-MF $depbase.Tpo -c -o idlist.o idlist.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo uid.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT uid.o -MD -MP -MF 
$depbase.Tpo -c -o uid.o uid.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo md5ify.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT md5ify.o -MD -MP 
-MF $depbase.Tpo -c -o md5ify.o md5ify.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo cram.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT cram.o -MD -MP -MF 
$depbase.Tpo -c -o cram.o cram.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo gssapi.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT gssapi.o -MD -MP 
-MF $depbase.Tpo -c -o gssapi.o gssapi.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo oauth2.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT oauth2.o -MD -MP 
-MF $depbase.Tpo -c -o oauth2.o oauth2.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo opie.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT opie.o -MD -MP -MF 
$depbase.Tpo -c -o opie.o opie.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo interface.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT interface.o -MD -MP 
-MF $depbase.Tpo -c -o interface.o interface.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo netrc.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT netrc.o -MD -MP -MF 
$depbase.Tpo -c -o netrc.o netrc.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo unmime.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT unmime.o -MD -MP 
-MF $depbase.Tpo -c -o unmime.o unmime.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo conf.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT conf.o -MD -MP -MF 
$depbase.Tpo -c -o conf.o conf.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo checkalias.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT checkalias.o -MD 
-MP -MF $depbase.Tpo -c -o checkalias.o checkalias.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo uid_db.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT uid_db.o -MD -MP 
-MF $depbase.Tpo -c -o uid_db.o uid_db.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo lock.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT lock.o -MD -MP -MF 
$depbase.Tpo -c -o lock.o lock.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo rcfile_l.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT rcfile_l.o -MD -MP 
-MF $depbase.Tpo -c -o rcfile_l.o rcfile_l.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo rcfile_y.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT rcfile_y.o -MD -MP 
-MF $depbase.Tpo -c -o rcfile_y.o rcfile_y.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo ucs/norm_charmap.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT ucs/norm_charmap.o 
-MD -MP -MF $depbase.Tpo -c -o ucs/norm_charmap.o ucs/norm_charmap.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo fm_realpath.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT fm_realpath.o -MD 
-MP -MF $depbase.Tpo -c -o fm_realpath.o fm_realpath.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo pop3.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT pop3.o -MD -MP -MF 
$depbase.Tpo -c -o pop3.o pop3.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo imap.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT imap.o -MD -MP -MF 
$depbase.Tpo -c -o imap.o imap.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo etrn.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT etrn.o -MD -MP -MF 
$depbase.Tpo -c -o etrn.o etrn.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo odmr.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT odmr.o -MD -MP -MF 
$depbase.Tpo -c -o odmr.o odmr.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo xmalloc.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT xmalloc.o -MD -MP 
-MF $depbase.Tpo -c -o xmalloc.o xmalloc.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo base64.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT base64.o -MD -MP 
-MF $depbase.Tpo -c -o base64.o base64.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo rfc822.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT rfc822.o -MD -MP 
-MF $depbase.Tpo -c -o rfc822.o rfc822.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo report.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT report.o -MD -MP 
-MF $depbase.Tpo -c -o report.o report.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo rfc2047e.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT rfc2047e.o -MD -MP 
-MF $depbase.Tpo -c -o rfc2047e.o rfc2047e.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo servport.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT servport.o -MD -MP 
-MF $depbase.Tpo -c -o servport.o servport.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo smbdes.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT smbdes.o -MD -MP 
-MF $depbase.Tpo -c -o smbdes.o smbdes.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo smbencrypt.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT smbencrypt.o -MD 
-MP -MF $depbase.Tpo -c -o smbencrypt.o smbencrypt.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo smbmd4.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT smbmd4.o -MD -MP 
-MF $depbase.Tpo -c -o smbmd4.o smbmd4.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo smbutil.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT smbutil.o -MD -MP 
-MF $depbase.Tpo -c -o smbutil.o smbutil.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo fm_getaddrinfo.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT fm_getaddrinfo.o 
-MD -MP -MF $depbase.Tpo -c -o fm_getaddrinfo.o fm_getaddrinfo.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo starttls.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT starttls.o -MD -MP 
-MF $depbase.Tpo -c -o starttls.o starttls.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo rfc822valid.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT rfc822valid.o -MD 
-MP -MF $depbase.Tpo -c -o rfc822valid.o rfc822valid.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo sdump.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT sdump.o -MD -MP -MF 
$depbase.Tpo -c -o sdump.o sdump.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo x509_name_match.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT x509_name_match.o 
-MD -MP -MF $depbase.Tpo -c -o x509_name_match.o x509_name_match.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo md5c.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT md5c.o -MD -MP -MF 
$depbase.Tpo -c -o md5c.o md5c.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo tls-aux.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT tls-aux.o -MD -MP 
-MF $depbase.Tpo -c -o tls-aux.o tls-aux.c &&\
mv -f $depbase.Tpo $depbase.Po
rm -f libfm.a
ar cru libfm.a xmalloc.o base64.o rfc822.o report.o rfc2047e.o 
servport.o smbdes.o smbencrypt.o smbmd4.o smbutil.o fm_getaddrinfo.o 
starttls.o rfc822valid.o sdump.o x509_name_match.o md5c.o tls-aux.o
ranlib libfm.a
depbase=`echo strlcpy.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT strlcpy.o -MD -MP 
-MF $depbase.Tpo -c -o strlcpy.o strlcpy.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo strlcat.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. -g -O2 
-I/opt/openssl3/include -I/usr/kerberos/include  -MT strlcat.o -MD -MP 
-MF $depbase.Tpo -c -o strlcat.o strlcat.c &&\
mv -f $depbase.Tpo $depbase.Po
gcc  -g -O2 -I/opt/openssl3/include -I/usr/kerberos/include 
-L/opt/openssl3/lib -L/opt/openssl3/lib -o fetchmail socket.o getpass.o 
fetchmail.o env.o idle.o options.o daemon.o driver.o transact.o sink.o 
smtp.o idlist.o uid.o md5ify.o cram.o gssapi.o oauth2.o opie.o 
interface.o netrc.o unmime.o conf.o checkalias.o uid_db.o lock.o 
rcfile_l.o rcfile_y.o ucs/norm_charmap.o fm_realpath.o pop3.o imap.o 
etrn.o odmr.o   libfm.a  strlcpy.o strlcat.o  -lresolv -lcrypto -lssl  
-lssl -lcrypto
fetchmail.o: In function `main':
/home/dap/Downloads/fetchmail-7.0.0-alpha9/fetchmail.c:451: undefined 
reference to `OpenSSL_version'
/home/dap/Downloads/fetchmail-7.0.0-alpha9/fetchmail.c:451: undefined 
reference to `OpenSSL_version_num'
/home/dap/Downloads/fetchmail-7.0.0-alpha9/fetchmail.c:455: undefined 
reference to `OpenSSL_version'
/home/dap/Downloads/fetchmail-7.0.0-alpha9/fetchmail.c:455: undefined 
reference to `OpenSSL_version'
socket.o: In function `SSL_verify_callback':
/home/dap/Downloads/fetchmail-7.0.0-alpha9/socket.c:729: undefined 
reference to `OPENSSL_sk_num'
/home/dap/Downloads/fetchmail-7.0.0-alpha9/socket.c:730: undefined 
reference to `OPENSSL_sk_value'
/home/dap/Downloads/fetchmail-7.0.0-alpha9/socket.c:742: undefined 
reference to `OPENSSL_sk_free'
socket.o: In function `OSSL_proto_version_logic':
/home/dap/Downloads/fetchmail-7.0.0-alpha9/socket.c:911: undefined 
reference to `TLS_client_method'
socket.o: In function `SSLOpen':
/home/dap/Downloads/fetchmail-7.0.0-alpha9/socket.c:1072: undefined 
reference to `SSL_CTX_set_options'
/home/dap/Downloads/fetchmail-7.0.0-alpha9/socket.c:999: undefined 
reference to `OpenSSL_add_all_algorithms'
collect2: error: ld returned 1 exit status
make[2]: *** [fetchmail] Error 1
make[2]: Leaving directory `/home/dap/Downloads/fetchmail-7.0.0-alpha9'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/dap/Downloads/fetchmail-7.0.0-alpha9'
make: *** [all] Error 2


Looks like I am missing some arguments for either configure or make.

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