From 1b5ba6d5bd22ae637b30013fd016900b8a49e94e Mon Sep 17 00:00:00 2001
From: Damien Cassou <damien@cassou.me>
Date: Sat, 1 Apr 2023 18:19:09 +0200
Subject: [PATCH] emacs.pkgs.jinx: build .so file

Co-authored-by: Jian Lin <75130626+jian-lin@users.noreply.github.com>
---
 .../emacs/elisp-packages/elpa-packages.nix    | 25 +++++++++++++++++
 .../emacs/elisp-packages/melpa-packages.nix   | 27 +++++++++++++++++++
 2 files changed, 52 insertions(+)

diff --git a/pkgs/applications/editors/emacs/elisp-packages/elpa-packages.nix b/pkgs/applications/editors/emacs/elisp-packages/elpa-packages.nix
index 1ffdb3365503..d1f9dbd3a4a5 100644
--- a/pkgs/applications/editors/emacs/elisp-packages/elpa-packages.nix
+++ b/pkgs/applications/editors/emacs/elisp-packages/elpa-packages.nix
@@ -106,6 +106,31 @@ self: let
         };
       });
 
+      jinx = super.jinx.overrideAttrs (old: {
+        dontUnpack = false;
+
+        nativeBuildInputs = (old.nativeBuildInputs or [ ]) ++ [
+            pkgs.pkg-config
+        ];
+
+        buildInputs = (old.buildInputs or [ ]) ++ [ pkgs.enchant2 ];
+
+        postBuild = ''
+          NIX_CFLAGS_COMPILE="$($PKG_CONFIG --cflags enchant-2) $NIX_CFLAGS_COMPILE"
+          $CC -shared -o jinx-mod.so jinx-mod.c -lenchant-2
+        '';
+
+        postInstall = (old.postInstall or "") + "\n" + ''
+          outd=$out/share/emacs/site-lisp/elpa/jinx-*
+          install -m444 -t $outd jinx-mod.so
+          rm $outd/jinx-mod.c $outd/emacs-module.h
+        '';
+
+        meta = old.meta // {
+          maintainers = [ lib.maintainers.DamienCassou ];
+        };
+      });
+
       plz = super.plz.overrideAttrs (
         old: {
           dontUnpack = false;
diff --git a/pkgs/applications/editors/emacs/elisp-packages/melpa-packages.nix b/pkgs/applications/editors/emacs/elisp-packages/melpa-packages.nix
index 33d489b60aba..7efe6a68b0f6 100644
--- a/pkgs/applications/editors/emacs/elisp-packages/melpa-packages.nix
+++ b/pkgs/applications/editors/emacs/elisp-packages/melpa-packages.nix
@@ -314,6 +314,33 @@ let
 
         ivy-rtags = fix-rtags super.ivy-rtags;
 
+        jinx = super.jinx.overrideAttrs (old: {
+          nativeBuildInputs = (old.nativeBuildInputs or [ ]) ++ [
+            pkgs.pkg-config
+          ];
+
+          buildInputs = (old.buildInputs or [ ]) ++ [ pkgs.enchant2 ];
+
+          postBuild = ''
+            pushd working/jinx
+            NIX_CFLAGS_COMPILE="$($PKG_CONFIG --cflags enchant-2) $NIX_CFLAGS_COMPILE"
+            $CC -shared -o jinx-mod.so jinx-mod.c -lenchant-2
+            popd
+          '';
+
+          postInstall = (old.postInstall or "") + "\n" + ''
+            pushd source
+            outd=$(echo $out/share/emacs/site-lisp/elpa/jinx-*)
+            install -m444 --target-directory=$outd jinx-mod.so
+            rm $outd/jinx-mod.c $outd/emacs-module.h
+            popd
+          '';
+
+          meta = old.meta // {
+            maintainers = [ lib.maintainers.DamienCassou ];
+          };
+        });
+
         libgit = super.libgit.overrideAttrs(attrs: {
           nativeBuildInputs = (attrs.nativeBuildInputs or []) ++ [ pkgs.cmake ];
           buildInputs = attrs.buildInputs ++ [ pkgs.libgit2 ];