From 24929e859787a68fd3e508d481e94baa2b57cb29 Mon Sep 17 00:00:00 2001
From: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Date: Mon, 19 Apr 2021 10:43:48 -0400
Subject: [PATCH] emacsPackages.melpaPackages.zmq: preventive fix for
 module-file-suffix change needed for emacs 28

---
 pkgs/applications/editors/emacs-modes/melpa-packages.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pkgs/applications/editors/emacs-modes/melpa-packages.nix b/pkgs/applications/editors/emacs-modes/melpa-packages.nix
index e5e2bac964f3..5a1c9168bc47 100644
--- a/pkgs/applications/editors/emacs-modes/melpa-packages.nix
+++ b/pkgs/applications/editors/emacs-modes/melpa-packages.nix
@@ -362,6 +362,7 @@ let
         zmq = super.zmq.overrideAttrs (old: {
           stripDebugList = [ "share" ];
           preBuild = ''
+            export EZMQ_LIBDIR=$(mktemp -d)
             make
           '';
           nativeBuildInputs = [
@@ -372,7 +373,7 @@ let
             (pkgs.zeromq.override { enableDrafts = true; })
           ];
           postInstall = ''
-            mv $out/share/emacs/site-lisp/elpa/zmq-*/src/.libs/emacs-zmq.so $out/share/emacs/site-lisp/elpa/zmq-*
+            mv $EZMQ_LIBDIR/emacs-zmq.* $out/share/emacs/site-lisp/elpa/zmq-*
             rm -r $out/share/emacs/site-lisp/elpa/zmq-*/src
             rm $out/share/emacs/site-lisp/elpa/zmq-*/Makefile
           '';