WARNING: Libzip >= 1.2.0 needed for encryption support

[devdrops]

From the logs:

Configuring for:                                                                                                                                                 [131/409]
PHP Api Version:         20180731                                                                                                                                         
Zend Module Api No:      20180731                                                                                                                                         
Zend Extension Api No:   320180731                                                                                                                                        
checking for grep that handles long lines and -e... /bin/grep                                                                                                             
checking for egrep... /bin/grep -E                                                                                                                                        
checking for a sed that does not truncate output... /bin/sed                                                                                                              
checking for cc... cc                                                                                                                                                     
checking whether the C compiler works... yes                                                                                                                              
checking for C compiler default output file name... a.out                                                                                                                 
checking for suffix of executables...                                                                                                                                     
checking whether we are cross compiling... no                                                                                                                             
checking for suffix of object files... o                                                                                                                                  
checking whether we are using the GNU C compiler... yes                                                                                                                   
checking whether cc accepts -g... yes                                                                                                                                     
checking for cc option to accept ISO C89... none needed                                                                                                                   
checking how to run the C preprocessor... cc -E                                                                                                                           
checking for icc... no                                                                                                                                                    
checking for suncc... no                                                                                                                                                  
checking whether cc understands -c and -o together... yes                                                                                                                 
checking for system library directory... lib                                                                                                                              
checking if compiler supports -R... no                                                                                                                                    
checking if compiler supports -Wl,-rpath,... yes                                                                                                                          
checking build system type... x86_64-pc-linux-gnu                                                                                                                         
checking host system type... x86_64-pc-linux-gnu                                                                                                                          
checking target system type... x86_64-pc-linux-gnu                                                                                                                        
checking for PHP prefix... /usr/local                                                                                                                                     
checking for PHP includes... -I/usr/local/include/php -I/usr/local/include/php/main -I/usr/local/include/php/TSRM -I/usr/local/include/php/Zend -I/usr/local/include/php/e
xt -I/usr/local/include/php/ext/date/lib
checking for PHP extension directory... /usr/local/lib/php/extensions/no-debug-non-zts-20180731
checking for PHP installed headers prefix... /usr/local/include/php
checking if debug is enabled... no
checking if zts is enabled... no
checking for re2c... re2c
checking for re2c version... 0.16 (ok)
checking for gawk... no
checking for nawk... nawk
checking if nawk is broken... no
checking for zip archive read/writesupport... yes, shared
checking for the location of libz... no
checking pcre install prefix... no
checking libzip... yes
checking for the location of zlib... /usr
checking for pkg-config... /usr/bin/pkg-config
checking for libzip... from pkgconfig: version 1.1.2 found in /usr/lib/x86_64-linux-gnu
checking for zip_open in -lzip... yes
checking for zip_file_set_encryption in -lzip... no
configure: WARNING: Libzip >= 1.2.0 needed for encryption support

The last message is warning about the current version of libzip, required for encryption support. Maybe libsodium?