From 21b5b17390b8c3cefcdb8dcaef3044fefec045d8 Mon Sep 17 00:00:00 2001
From: Arnout Engelen <arnout@bzzt.net>
Date: Mon, 3 Nov 2025 09:39:13 +0100
Subject: [PATCH] ibus: don't build ui/gtk3 in parallel

as that led to inconsistent vala-generated method names

Fixes #230290
---
 pkgs/tools/inputmethods/ibus/default.nix            |  2 ++
 pkgs/tools/inputmethods/ibus/vala-parallelism.patch | 13 +++++++++++++
 2 files changed, 15 insertions(+)
 create mode 100644 pkgs/tools/inputmethods/ibus/vala-parallelism.patch

diff --git a/pkgs/tools/inputmethods/ibus/default.nix b/pkgs/tools/inputmethods/ibus/default.nix
index 3f0701ddaa47..cb3dcc513f6a 100644
--- a/pkgs/tools/inputmethods/ibus/default.nix
+++ b/pkgs/tools/inputmethods/ibus/default.nix
@@ -88,6 +88,8 @@ stdenv.mkDerivation (finalAttrs: {
       PYTHON = null;
     })
     ./build-without-dbus-launch.patch
+    # https://github.com/NixOS/nixpkgs/issues/230290
+    ./vala-parallelism.patch
   ];
 
   outputs = [
diff --git a/pkgs/tools/inputmethods/ibus/vala-parallelism.patch b/pkgs/tools/inputmethods/ibus/vala-parallelism.patch
new file mode 100644
index 000000000000..f4c47a76c39c
--- /dev/null
+++ b/pkgs/tools/inputmethods/ibus/vala-parallelism.patch
@@ -0,0 +1,13 @@
+diff --git a/ui/gtk3/Makefile.am b/ui/gtk3/Makefile.am
+index 3ada6501..2066a8f5 100644
+--- a/ui/gtk3/Makefile.am
++++ b/ui/gtk3/Makefile.am
+@@ -304,6 +304,8 @@ panelbinding.o: $(srcdir)/panelbinding.c
+ 	$(AM_V_CC_no)$(COMPILE) -c -o $@ $<
+ 	$(NULL)
+ 
++.NOTPARALLEL:
++
+ MAINTAINERCLEANFILES += extension.c panelbinding.c
+ 
+ man_seven_DATA = ibus-emoji.7