homebrew-emacs-plus: Emacs dbus support not working even installed with option `--with-dbus`

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What you were trying to do

I execute elisp code:

(notifications-notify :title "org-mode message" :body "hello" :timeout 1000 :urgency 'low)

But I got Emacs error:

Debugger entered--Lisp error: (dbus-error "No connection to bus" :session)
  dbus-message-internal(1 :session "org.freedesktop.Notifications" "/org/freedesktop/Notifications" "org.freedesktop.Notifications" "Notify" dbus-call-method-handler :string "Emacs" :uint32 0 :string "/opt/homebrew/Cellar/emacs-plus@28/28.0.50/share/e..." :string "org-mode message" :string "hello" (:array) ((:dict-entry "urgency" (:variant :byte 0))) :int32 1000)
  apply(dbus-message-internal 1 :session "org.freedesktop.Notifications" "/org/freedesktop/Notifications" "org.freedesktop.Notifications" "Notify" dbus-call-method-handler (:string "Emacs" :uint32 0 :string "/opt/homebrew/Cellar/emacs-plus@28/28.0.50/share/e..." :string "org-mode message" :string "hello" (:array) ((:dict-entry "urgency" (:variant :byte 0))) :int32 1000))
  dbus-call-method(:session "org.freedesktop.Notifications" "/org/freedesktop/Notifications" "org.freedesktop.Notifications" "Notify" :string "Emacs" :uint32 0 :string "/opt/homebrew/Cellar/emacs-plus@28/28.0.50/share/e..." :string "org-mode message" :string "hello" (:array) ((:dict-entry "urgency" (:variant :byte 0))) :int32 1000)
  notifications-notify(:title "org-mode message" :body "hello" :timeout 1000 :urgency low)
  eval((notifications-notify :title "org-mode message" :body "hello" :timeout 1000 :urgency 'low) nil)
  elisp--eval-last-sexp(nil)
  eval-last-sexp(nil)
  funcall-interactively(eval-last-sexp nil)
  call-interactively(eval-last-sexp nil nil)
  command-execute(eval-last-sexp)

I installed dbus support with brew install dbus dbus-glib. my macOS version: M1 Big Sur 11.6

What happened (include command output)

$ brew install emacs-plus --with-dbus --with-xwidgets

Command output

Updating Homebrew…
==> Auto-updated Homebrew!
Updated 1 tap (homebrew/cask).
==> Updated Casks
Updated 6 casks.
==> Installing emacs-plus@28 from d12frosted/emacs-plus
==> Downloading https://ghcr.io/v2/homebrew/core/libvmaf/manifests/2.3.0
Already downloaded: /Users/stardiviner/Library/Caches/Homebrew/downloads/148a663e84f3db9278aed01b0fa3a565116e0c4836b1bd4ecc6326d7d6f3c7c7–libvmaf-2.3.0.bottle_manifest.json
==> Downloading https://ghcr.io/v2/homebrew/core/libvmaf/blobs/sha256:1977b1939d44b8871ef1d856203b364b761872be00c6654fdf
Already downloaded: /Users/stardiviner/Library/Caches/Homebrew/downloads/eae7ee646631f6bd16c246a55001e83f912e3aaf92ce53a264015115f167f8f2–libvmaf–2.3.0.arm64_big_sur.bottle.tar.gz
==> Cloning https://github.com/emacs-mirror/emacs.git
Cloning into ‘/Users/stardiviner/Library/Caches/Homebrew/emacs-plus@28–git’…
==> Checking out branch emacs-28
Already on ‘emacs-28’
Your branch is up to date with ‘origin/emacs-28’.
==> Installing dependencies for d12frosted/emacs-plus/emacs-plus@28: libvmaf
==> Installing d12frosted/emacs-plus/emacs-plus@28 dependency: libvmaf
==> Pouring libvmaf–2.3.0.arm64_big_sur.bottle.tar.gz
🍺  /opt/homebrew/Cellar/libvmaf/2.3.0: 16 files, 2.4MB
==> Installing d12frosted/emacs-plus/emacs-plus@28 --with-xwidgets --with-dbus
==> Patching
==> Applying fix-window-role.patch
patching file src/nsterm.m
Hunk #1 succeeded at 8602 (offset -166 lines).
==> Applying system-appearance.patch
patching file src/frame.h
patching file src/nsfns.m
Hunk #1 succeeded at 1315 (offset 59 lines).
patching file src/nsterm.m
Hunk #1 succeeded at 1878 (offset -11 lines).
Hunk #2 succeeded at 5389 (offset -6 lines).
Hunk #3 succeeded at 5635 (offset -6 lines).
Hunk #4 succeeded at 5685 (offset -6 lines).
Hunk #5 succeeded at 5911 (offset -6 lines).
Hunk #6 succeeded at 8935 (offset 33 lines).
Hunk #7 succeeded at 10091 (offset 33 lines).
==> ImageMagick PKG_CONFIG_PATH:
/opt/homebrew/opt/imagemagick/lib/pkgconfig
==> ./autogen.sh
==> ./configure --enable-locallisppath=/opt/homebrew/share/emacs/site-lisp --infodir=/opt/homebrew/Cellar/emacs-plus@28/
==> make
==> make install
==> Caveats
Emacs.app was installed to:
/opt/homebrew/opt/emacs-plus@28
To link the application to default Homebrew App location:
ln -s /opt/homebrew/opt/emacs-plus@28/Emacs.app /Applications
To have launchd start d12frosted/emacs-plus/emacs-plus@28 now and restart at login:
brew services start d12frosted/emacs-plus/emacs-plus@28
Or, if you don’t want/need a background service you can just run:
emacs
==> Summary
🍺  /opt/homebrew/Cellar/emacs-plus@28/28.0.50: 4,073 files, 135.6MB, built in 5 minutes 23 seconds
==> Caveats
==> emacs-plus@28
Emacs.app was installed to:
/opt/homebrew/opt/emacs-plus@28
To link the application to default Homebrew App location:
ln -s /opt/homebrew/opt/emacs-plus@28/Emacs.app /Applications
To have launchd start d12frosted/emacs-plus/emacs-plus@28 now and restart at login:
brew services start d12frosted/emacs-plus/emacs-plus@28
Or, if you don’t want/need a background service you can just run:
emacs
❯ which emacs
/opt/homebrew/bin/emacs
❯ ln -s /opt/homebrew/opt/emacs-plus@28/Emacs.app /Applications

About this issue

Original URL
State: closed
Created 3 years ago
Reactions: 4
Comments: 17 (5 by maintainers)

Most upvoted comments

@dertuxmalwieder thanks for the heads up. Closing this issue 🙃

d12frosted on Jul 10, 2023

No wait. I commented on your specific suggestion (quoted in previous message) - e.g. replacing dbus with dgsga/netatalk-dbus/dbus inside the formula. And explained that it’s not going to work without forcing all users of Emacs to tap the dgsga/netatalk-dbus, which I don’t like.

On the other hand, @stardiviner commented on the workaround (e.g. all this mumbo-jumbo with ignoring dependencies). I have not tested it.

Hope that explains what I was talking about 😃

d12frosted on May 8, 2023

I tried both methods, still not working. I also executed brew unlink dbus before brew reinstall dgsga/netatalk-dbus/dbus to avoid conflict. Need more investigation. Thanks for your help.

stardiviner on May 8, 2023