app-accessibility/at-spi2-core: fix build with USE=-X

Closes: https://bugs.gentoo.org/829591
Signed-off-by: Sam James <sam@gentoo.org>

app-accessibility/at-spi2-core/at-spi2-core-2.42.0.ebuild

@@ -38,6 +38,8 @@ BDEPEND="
 PATCHES=(
 	# disable teamspaces test since that requires Novell.ICEDesktop.Daemon
 	"${FILESDIR}/${PN}-2.0.2-disable-teamspaces-test.patch"
+
+	"${FILESDIR}/${PN}-2.42.0-fix-disabling-x11.patch"
 )
 
 multilib_src_configure() {

app-accessibility/at-spi2-core/files/at-spi2-core-2.42.0-fix-disabling-x11.patch

@@ -0,0 +1,36 @@
+https://bugs.gentoo.org/829591
+https://gitlab.gnome.org/GNOME/at-spi2-core/-/commit/2175d89198440d948075f3268aec5f45430afb3d
+
+From 2175d89198440d948075f3268aec5f45430afb3d Mon Sep 17 00:00:00 2001
+From: Tim Orling <ticotimo@gmail.com>
+Date: Fri, 15 Oct 2021 12:44:39 -0700
+Subject: [PATCH] Ensure x11_dep is defined
+
+bus/meson.build checks if x11_dep.found(), but this fails when
+-Dx11=no
+
+References:
+  https://gitlab.gnome.org/GNOME/at-spi2-core/-/issues/42
+  https://mesonbuild.com/howtox.html#get-a-default-notfound-dependency
+
+Signed-off-by: Tim Orling <ticotimo@gmail.com>
+---
+ meson.build | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/meson.build b/meson.build
+index b5104c8c..cfd2e091 100644
+--- a/meson.build
++++ b/meson.build
+@@ -62,6 +62,8 @@ endif
+ 
+ x11_deps = []
+ x11_option = get_option('x11')
++# ensure x11_dep is defined for use elsewhere, such as bus/meson.build
++x11_dep = dependency('', required: false)
+ if x11_option != 'no'
+   x11_dep = dependency('x11', required: false)
+ 
+-- 
+GitLab
+