perl6 – 无法使用Rakudo Perl 6 zef安装Readline

概述我正在尝试安装Readline. (该系统是Linux Mint Mate 18.3,Lubuntu 17.10也是如此). $zef install Readline 安装过程开始,但稍后将中止以下消息： ===> Searching for: Readline===> Searching for missing dependencies: LibraryCheck===> Testing: 我正在尝试安装Readline.

(该系统是Linux Mint Mate 18.3,Lubuntu 17.10也是如此).

$zef install Readline

安装过程开始,但稍后将中止以下消息：

===> Searching for: Readline===> Searching for missing dependencIEs: libraryCheck===> Testing: libraryCheck:ver<0.0.6>:auth<github:jonathanstowe>===> Testing [OK] for libraryCheck:ver<0.0.6>:auth<github:jonathanstowe>===> Testing: Readline:ver<0.0.2>:auth<github:drforr># Failed test 'initialize'# at t/02-base.t line 10# Cannot locate native library 'libreadline.so': libreadline.so: cannot open shared object file: No such file or directory    # Failed test 'macro-dumper lives'    # at t/02-base.t line 18    # Cannot locate native library 'libreadline.so': libreadline.so: cannot open shared object file: No such file or directory    # Looks like you Failed 1 test of 1# Failed test 'dumpers'# at t/02-base.t line 13    # Failed test 'set-prompt lives'    # at t/02-base.t line 27    # Cannot locate native library 'libreadline.so': libreadline.so: cannot open shared object file: No such file or directory    # Failed test 'expand-prompt lives'    # at t/02-base.t line 29    # Cannot locate native library 'libreadline.so': libreadline.so: cannot open shared object file: No such file or directory    # Failed test 'on-new-line-with-prompt lives'    # at t/02-base.t line 31    # Cannot locate native library 'libreadline.so': libreadline.so: cannot open shared object file: No such file or directory    # Failed test 'save-prompt lives'    # at t/02-base.t line 33    # Cannot locate native library 'libreadline.so': libreadline.so: cannot open shared object file: No such file or directory    # Failed test 'restore-prompt lives'    # at t/02-base.t line 35    # Cannot locate native library 'libreadline.so': libreadline.so: cannot open shared object file: No such file or directory    # Looks like you Failed 5 tests of 5# Failed test 'prompt'# at t/02-base.t line 24    # Failed test 'tilde-expand lives'    # at t/02-base.t line 46    # Cannot locate native library 'libreadline.so': libreadline.so: cannot open shared object file: No such file or directory    # Failed test 'tilde-expand-word lives'    # at t/02-base.t line 48    # Cannot locate native library 'libreadline.so': libreadline.so: cannot open shared object file: No such file or directory    # Looks like you Failed 2 tests of 2# Failed test 'tilde'# at t/02-base.t line 39    # Failed test 'prep-terminal lives'    # at t/02-base.t line 58    # Cannot locate native library 'libreadline.so': libreadline.so: cannot open shared object file: No such file or directory    # Failed test 'deprep-terminal lives'    # at t/02-base.t line 60    # Cannot locate native library 'libreadline.so': libreadline.so: cannot open shared object file: No such file or directory    # Failed test 'reset-terminal'    # at t/02-base.t line 62    # Cannot locate native library 'libreadline.so': libreadline.so: cannot open shared object file: No such file or directory    # Looks like you Failed 3 tests of 3# Failed test 'terminal'# at t/02-base.t line 54    # Failed test 'reset-line-state lives'    # at t/02-base.t line 70    # Cannot locate native library 'libreadline.so': libreadline.so: cannot open shared object file: No such file or directory    # Looks like you Failed 1 test of 1# Failed test 'state'# at t/02-base.t line 68    # Failed test 'free-undo-List lives'    # at t/02-base.t line 81    # Cannot locate native library 'libreadline.so': libreadline.so: cannot open shared object file: No such file or directory    # Failed test 'do-undo lives'    # at t/02-base.t line 83    # Cannot locate native library 'libreadline.so': libreadline.so: cannot open shared object file: No such file or directory    # Failed test 'begin-undo-group lives'    # at t/02-base.t line 85    # Cannot locate native library 'libreadline.so': libreadline.so: cannot open shared object file: No such file or directory    # Failed test 'end-undo-group lives'    # at t/02-base.t line 87    # Cannot locate native library 'libreadline.so': libreadline.so: cannot open shared object file: No such file or directory    # Looks like you Failed 4 tests of 4# Failed test 'undo'# at t/02-base.t line 80    # Failed test 'funmap-names lives'    # at t/02-base.t line 99    # Cannot locate native library 'libreadline.so': libreadline.so: cannot open shared object file: No such file or directory    # Looks like you Failed 1 test of 1# Failed test 'funmap'# at t/02-base.t line 91    # Failed test 'set-screen-size'    # at t/02-base.t line 106    # Cannot locate native library 'libreadline.so': libreadline.so: cannot open shared object file: No such file or directory    # Failed test 'reset-screen-size lives'    # at t/02-base.t line 110    # Cannot locate native library 'libreadline.so': libreadline.so: cannot open shared object file: No such file or directory    # Looks like you Failed 2 tests of 2# Failed test 'screen'# at t/02-base.t line 103    # Failed test 'insert-text lives'    # at t/02-base.t line 118    # Cannot locate native library 'libreadline.so': libreadline.so: cannot open shared object file: No such file or directory    # Failed test 'delete-text lives'    # at t/02-base.t line 120    # Cannot locate native library 'libreadline.so': libreadline.so: cannot open shared object file: No such file or directory    # Failed test 'kill-text lives'    # at t/02-base.t line 122    # Cannot locate native library 'libreadline.so': libreadline.so: cannot open shared object file: No such file or directory    # Failed test 'copy-text lives'    # at t/02-base.t line 124    # Cannot locate native library 'libreadline.so': libreadline.so: cannot open shared object file: No such file or directory    # Looks like you Failed 4 tests of 4# Failed test 'text'# at t/02-base.t line 114    # Failed test 'make-bare-keymap lives'    # at t/02-base.t line 132    # Cannot locate native library 'libreadline.so': libreadline.so: cannot open shared object file: No such file or directory    # Failed test 'copy-keymap lives'    # at t/02-base.t line 134    # Type check Failed in binding to parameter '$map'; expected Readline::Keymap but got Any (Any)    # Failed test 'make-keymap lives'    # at t/02-base.t line 136    # Cannot locate native library 'libreadline.so': libreadline.so: cannot open shared object file: No such file or directory    # Failed test 'discard-keymap lives'    # at t/02-base.t line 138    # Type check Failed in binding to parameter '$map'; expected Readline::Keymap but got Any (Any)    # Failed test 'get-keymap-by-name lives'    # at t/02-base.t line 145    # Cannot locate native library 'libreadline.so': libreadline.so: cannot open shared object file: No such file or directory    # Failed test 'get-keymap lives'    # at t/02-base.t line 147    # Cannot locate native library 'libreadline.so': libreadline.so: cannot open shared object file: No such file or directory    # Failed test 'get-keymap-name lives'    # at t/02-base.t line 149    # Type check Failed in binding to parameter '$map'; expected Readline::Keymap but got Any (Any)    # Failed test 'set-keymap lives'    # at t/02-base.t line 151    # Type check Failed in binding to parameter '$map'; expected Readline::Keymap but got Any (Any)    # Looks like you Failed 8 tests of 8# Failed test 'keymap'# at t/02-base.t line 128Cannot locate native library 'libreadline.so': libreadline.so: cannot open shared object file: No such file or directory  in method setup at /opt/rakudo-pkg/share/perl6/sources/24DD121B5B4774C04A7084827BFAD92199756E03 (NativeCall) line 289  in method CALL-ME at /opt/rakudo-pkg/share/perl6/sources/24DD121B5B4774C04A7084827BFAD92199756E03 (NativeCall) line 576  in method make-bare-keymap at /home/evb/.zef/store/perl6-readline.git/e2cf431a87c36d420a3f2737b2cbc160efeb9233/lib/Readline.pm (Readline) line 1040  in sub  at t/02-base.t line 162  in sub subtest at /opt/rakudo-pkg/share/perl6/sources/C712FE6969F786C9380D643DF17E85D06868219E (Test) line 411  in sub  at t/02-base.t line 161  in sub subtest at /opt/rakudo-pkg/share/perl6/sources/C712FE6969F786C9380D643DF17E85D06868219E (Test) line 411  in block <unit> at t/02-base.t line 155===> Testing [FAIL]: Readline:ver<0.0.2>:auth<github:drforr>Aborting due to test failure: Readline:ver<0.0.2>:auth<github:drforr> (use --force-test to overrIDe)  in code  at /home/evb/.perl6/sources/0061125F96D1E60B6E3B0001A4CB4D4188DF4869 (zef::ClIEnt) line 375  in method test at /home/evb/.perl6/sources/0061125F96D1E60B6E3B0001A4CB4D4188DF4869 (zef::ClIEnt) line 353  in code  at /home/evb/.perl6/sources/0061125F96D1E60B6E3B0001A4CB4D4188DF4869 (zef::ClIEnt) line 530  in sub  at /home/evb/.perl6/sources/0061125F96D1E60B6E3B0001A4CB4D4188DF4869 (zef::ClIEnt) line 527  in method install at /home/evb/.perl6/sources/0061125F96D1E60B6E3B0001A4CB4D4188DF4869 (zef::ClIEnt) line 633  in sub MAIN at /home/evb/.perl6/sources/C360CEB3AF792C33F65155FA82fdb7AB4467EC82 (zef::Cli) line 152  in block <unit> at bin/zef line 3

找到libreadline.so给出以下输出：

/lib/x86_64-linux-gnu/libreadline.so.5/lib/x86_64-linux-gnu/libreadline.so.5.2/lib/x86_64-linux-gnu/libreadline.so.6/lib/x86_64-linux-gnu/libreadline.so.6.3

解决方法 许多发行版,包括debian / ubuntu和朋友鼓励在包装之间进行一定的分离,在 debian.org packaging docs中提供更多信息.

特别是,它们鼓励为某些版本(例如.so.1)分发共享库,这些版本是与“未版本化”.so分开的其他软件包的依赖项,通常用于“开发”(在以 – 结尾的分发包中) DEV).

从上面的文档：

Please note that the development package should contain a symlink for the associated shared library without a version number. E.g.: /usr/lib/x86_64-linux-gnu/libfoo.so -> libfoo.so.1

对于readline,该链接位于libreadline-dev包中,可以安装在mint / ubuntu / debian类型系统上,如下所示：sudo apt-get install libreadline-dev

Perl 6 NativeCall docs也讨论过这个问题：

If you write native(‘foo’) NativeCall will search libfoo.so under Unix
like system (libfoo.dynlib on OS X,foo.dll on win32). In most modern
system it will require you or the user of your module to install the
development package because it’s recommended to always provIDe an
API/ABI version to a shared library,so libfoo.so ends often being a
symbolic link provIDed only by a development package.

To avoID that,the native trait allows you to specify the API/ABI
version. It can be a full version or just a part of it. (Try to stick
to Major version,some BSD code does not care for Minor.)

它看起来像Readline does not specify a specific API/ABI version.(也许它应该？)

由于它没有,它将寻找未版本化的共享库(普通.so).

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