An attempt to load native extension causes LoadError

[maxirmx]

The file /__tebako_memfs__/lib/ruby/gems/2.7.0/gems/ffi-1.15.4/lib/ffi_c.so is packaged however it causes LoadError

maxirmx@MSS-WS-N:~/Projects/tebako$ ./metanorma-package
Traceback (most recent call last):
        2: from /__tebako_memfs__/local/bin/metanorma:70:in `<main>'
        1: from /__tebako_memfs__/lib/ruby/2.7.0/rubygems/core_ext/kernel_require.rb:83:in `require'
/__tebako_memfs__/lib/ruby/2.7.0/rubygems/core_ext/kernel_require.rb:83:in `require': cannot load such file -- ffi (LoadError)
        6: from /__tebako_memfs__/local/bin/metanorma:70:in `<main>'
        5: from /__tebako_memfs__/lib/ruby/2.7.0/rubygems/core_ext/kernel_require.rb:147:in `require'
        4: from /__tebako_memfs__/lib/ruby/2.7.0/rubygems/core_ext/kernel_require.rb:158:in `rescue in require'
        3: from /__tebako_memfs__/lib/ruby/2.7.0/rubygems/core_ext/kernel_require.rb:158:in `require'
        2: from /__tebako_memfs__/lib/ruby/gems/2.7.0/gems/ffi-1.15.4/lib/ffi.rb:3:in `<top (required)>'
        1: from /__tebako_memfs__/lib/ruby/2.7.0/rubygems/core_ext/kernel_require.rb:83:in `require'
/__tebako_memfs__/lib/ruby/2.7.0/rubygems/core_ext/kernel_require.rb:83:in `require': cannot load such file -- 2.7/ffi_c (LoadError)
        7: from /__tebako_memfs__/local/bin/metanorma:70:in `<main>'
        6: from /__tebako_memfs__/lib/ruby/2.7.0/rubygems/core_ext/kernel_require.rb:147:in `require'
        5: from /__tebako_memfs__/lib/ruby/2.7.0/rubygems/core_ext/kernel_require.rb:158:in `rescue in require'
        4: from /__tebako_memfs__/lib/ruby/2.7.0/rubygems/core_ext/kernel_require.rb:158:in `require'
        3: from /__tebako_memfs__/lib/ruby/gems/2.7.0/gems/ffi-1.15.4/lib/ffi.rb:2:in `<top (required)>'
        2: from /__tebako_memfs__/lib/ruby/gems/2.7.0/gems/ffi-1.15.4/lib/ffi.rb:5:in `rescue in <top (required)>'
        1: from /__tebako_memfs__/lib/ruby/2.7.0/rubygems/core_ext/kernel_require.rb:83:in `require'
/__tebako_memfs__/lib/ruby/2.7.0/rubygems/core_ext/kernel_require.rb:83:in `require': /__tebako_memfs__/lib/ruby/gems/2.7.0/gems/ffi-1.15.4/lib/ffi_c.so: cannot open shared object file: No such file or directory - /__tebako_memfs__/lib/ruby/gems/2.7.0/gems/ffi-1.15.4/lib/ffi_c.so (LoadError)

Ref #23

[maxirmx]

This issue is related to #42 and shall be discussed in broader context