From ffb1b62b5f338a27232bac210c9dc22831f6d151 Mon Sep 17 00:00:00 2001
From: Alyssa Ross <hi@alyssa.is>
Date: Mon, 6 Feb 2023 18:05:04 +0000
Subject: [PATCH] json-glib: re-disable introspection if no emulator

e.g. when cross compiling from Linux to FreeBSD.

Fixes: 1bd8727a4ca ("various: enable gobject-introspection when cross-compiling")
---
 pkgs/development/libraries/json-glib/default.nix | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/pkgs/development/libraries/json-glib/default.nix b/pkgs/development/libraries/json-glib/default.nix
index efac3690851..4b54ccc0664 100644
--- a/pkgs/development/libraries/json-glib/default.nix
+++ b/pkgs/development/libraries/json-glib/default.nix
@@ -7,6 +7,8 @@
 , nixosTests
 , pkg-config
 , gettext
+, withIntrospection ? stdenv.hostPlatform.emulatorAvailable buildPackages
+, buildPackages
 , gobject-introspection
 , gi-docgen
 , libxslt
@@ -18,7 +20,8 @@ stdenv.mkDerivation rec {
   pname = "json-glib";
   version = "1.6.6";
 
-  outputs = [ "out" "dev" "devdoc" "installedTests" ];
+  outputs = [ "out" "dev" "installedTests" ]
+    ++ lib.optional withIntrospection "devdoc";
 
   src = fetchurl {
     url = "mirror://gnome/sources/${pname}/${lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
@@ -43,10 +46,11 @@ stdenv.mkDerivation rec {
     gettext
     glib
     libxslt
-    gobject-introspection
-    gi-docgen
   ] ++ lib.optionals stdenv.hostPlatform.isDarwin [
     fixDarwinDylibNames
+  ] ++ lib.optionals withIntrospection [
+    gobject-introspection
+    gi-docgen
   ];
 
   propagatedBuildInputs = [
@@ -55,6 +59,8 @@ stdenv.mkDerivation rec {
 
   mesonFlags = [
     "-Dinstalled_test_prefix=${placeholder "installedTests"}"
+    (lib.mesonEnable "introspection" withIntrospection)
+    (lib.mesonEnable "gtk_doc" withIntrospection)
   ];
 
   # Run-time dependency gi-docgen found: NO (tried pkgconfig and cmake)