[ruby-core:120802] [Ruby master Bug#21092] error building ruby 3.4.1 on cygwin

[ruby-core:120802] [Ruby master Bug#21092] error building ruby 3.4.1 on cygwin

[jeremyd2019 (Jeremy Drake) via ruby-core]

Issue #21092 has been reported by jeremyd2019 (Jeremy Drake).

----------------------------------------
Bug #21092: error building ruby 3.4.1 on cygwin
https://bugs.ruby-lang.org/issues/21092

* Author: jeremyd2019 (Jeremy Drake)
* Status: Open
* Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN
----------------------------------------
While building from the release tarball ruby-3.4.1.tar.xz (also confirmed in snapshot-master.tar.gz from Jan 27, 2025), I get the following error:

../ruby-3.4.1/ext/extmk.rb:279:in 'Array#-': no implicit conversion of nil into Array (TypeError)
        from ../ruby-3.4.1/ext/extmk.rb:279:in 'Object#extmake'
        from ../ruby-3.4.1/ext/extmk.rb:659:in 'block in <main>'
        from ../ruby-3.4.1/ext/extmk.rb:653:in 'Array#each'
        from ../ruby-3.4.1/ext/extmk.rb:653:in '<main>'

I have tracked this down to happening when an ext writes a dummy makefile.  In this case, that ext is .bundle/gems/syslog-0.2.0.
See https://github.com/ruby/syslog/pull/16 for fixing why it is writing a dummy makefile to begin with, but still, it seems like extmk.rb should handle this case gracefully rather than breaking the build.



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[ruby-core:120805] [Ruby master Bug#21092] error building ruby 3.4.1 on cygwin

[hsbt (Hiroshi SHIBATA) via ruby-core]

Issue #21092 has been updated by hsbt (Hiroshi SHIBATA).

Status changed from Open to Assigned
Assignee set to hsbt (Hiroshi SHIBATA)

I could reproduce this.

https://github.com/ruby/ruby/actions/runs/13001828367/job/36261824250?pr=12649

----------------------------------------
Bug #21092: error building ruby 3.4.1 on cygwin
https://bugs.ruby-lang.org/issues/21092#change-111672

* Author: jeremyd2019 (Jeremy Drake)
* Status: Assigned
* Assignee: hsbt (Hiroshi SHIBATA)
* Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN
----------------------------------------
While building from the release tarball ruby-3.4.1.tar.xz on cygwin (also confirmed in snapshot-master.tar.gz from Jan 27, 2025), I get the following error:

../ruby-3.4.1/ext/extmk.rb:279:in 'Array#-': no implicit conversion of nil into Array (TypeError)
        from ../ruby-3.4.1/ext/extmk.rb:279:in 'Object#extmake'
        from ../ruby-3.4.1/ext/extmk.rb:659:in 'block in <main>'
        from ../ruby-3.4.1/ext/extmk.rb:653:in 'Array#each'
        from ../ruby-3.4.1/ext/extmk.rb:653:in '<main>'

I have tracked this down to happening when an ext writes a dummy makefile.  In this case, that ext is .bundle/gems/syslog-0.2.0.
See https://github.com/ruby/syslog/pull/16 for fixing why it is writing a dummy makefile to begin with, but still, it seems like extmk.rb should handle this case gracefully rather than breaking the build.



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[ruby-core:120826] [Ruby master Bug#21092] error building ruby 3.4.1 on cygwin/msys2

[nobu (Nobuyoshi Nakada) via ruby-core]

Issue #21092 has been updated by nobu (Nobuyoshi Nakada).


I cannot reproduce that error at all, with ruby-3.4.1.

----------------------------------------
Bug #21092: error building ruby 3.4.1 on cygwin/msys2
https://bugs.ruby-lang.org/issues/21092#change-111693

* Author: jeremyd2019 (Jeremy Drake)
* Status: Assigned
* Assignee: hsbt (Hiroshi SHIBATA)
* Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN
----------------------------------------
While building from the release tarball ruby-3.4.1.tar.xz on cygwin (also confirmed in snapshot-master.tar.gz from Jan 27, 2025), I get the following error:

../ruby-3.4.1/ext/extmk.rb:279:in 'Array#-': no implicit conversion of nil into Array (TypeError)
        from ../ruby-3.4.1/ext/extmk.rb:279:in 'Object#extmake'
        from ../ruby-3.4.1/ext/extmk.rb:659:in 'block in <main>'
        from ../ruby-3.4.1/ext/extmk.rb:653:in 'Array#each'
        from ../ruby-3.4.1/ext/extmk.rb:653:in '<main>'

I have tracked this down to happening when an ext writes a dummy makefile.  In this case, that ext is .bundle/gems/syslog-0.2.0.
See https://github.com/ruby/syslog/pull/16 for fixing why it is writing a dummy makefile to begin with, but still, it seems like extmk.rb should handle this case gracefully rather than breaking the build.



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[ruby-core:120838] [Ruby master Bug#21092] error building ruby 3.4.1 on cygwin/msys2

[nobu (Nobuyoshi Nakada) via ruby-core]

Issue #21092 has been updated by nobu (Nobuyoshi Nakada).

Backport changed from 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN to 3.1: REQUIRED, 3.2: REQUIRED, 3.3: REQUIRED, 3.4: REQUIRED

nobu (Nobuyoshi Nakada) wrote in #note-4:
> I cannot reproduce that error at all, with ruby-3.4.1.

This was because I failed to get msys to pretend to be cygwin, and it reproduced by simply trying on cygwin.
MSys is mysterious.


----------------------------------------
Bug #21092: error building ruby 3.4.1 on cygwin/msys2
https://bugs.ruby-lang.org/issues/21092#change-111703

* Author: jeremyd2019 (Jeremy Drake)
* Status: Assigned
* Assignee: hsbt (Hiroshi SHIBATA)
* Backport: 3.1: REQUIRED, 3.2: REQUIRED, 3.3: REQUIRED, 3.4: REQUIRED
----------------------------------------
While building from the release tarball ruby-3.4.1.tar.xz on cygwin (also confirmed in snapshot-master.tar.gz from Jan 27, 2025), I get the following error:

../ruby-3.4.1/ext/extmk.rb:279:in 'Array#-': no implicit conversion of nil into Array (TypeError)
        from ../ruby-3.4.1/ext/extmk.rb:279:in 'Object#extmake'
        from ../ruby-3.4.1/ext/extmk.rb:659:in 'block in <main>'
        from ../ruby-3.4.1/ext/extmk.rb:653:in 'Array#each'
        from ../ruby-3.4.1/ext/extmk.rb:653:in '<main>'

I have tracked this down to happening when an ext writes a dummy makefile.  In this case, that ext is .bundle/gems/syslog-0.2.0.
See https://github.com/ruby/syslog/pull/16 for fixing why it is writing a dummy makefile to begin with, but still, it seems like extmk.rb should handle this case gracefully rather than breaking the build.



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