add gui-apps/ignis

gui-apps/ignis/files/ignis-gvc-collision.patch

@@ -0,0 +1,24 @@
+Rename libgvc to libgnome-volume-control to prevent
+soname collision with graphviz.
+
+diff -ur a/subprojects/gvc/meson.build b/subprojects/gvc/meson.build
+--- a/subprojects/gvc/meson.build	2025-01-22 16:01:29.637007998 +0100
++++ b/subprojects/gvc/meson.build	2025-01-22 16:03:14.217729940 +0100
+@@ -78,7 +78,7 @@
+ endif
+ 
+ if enable_static
+-  libgvc_static = static_library('gvc',
++  libgvc_static = static_library('gnome-volume-control',
+     sources: libgvc_gir_sources + libgvc_no_gir_sources + libgvc_enums,
+     dependencies: libgvc_deps,
+     c_args: c_args
+@@ -90,7 +90,7 @@
+     error('Installing shared library, but pkglibdir is unset!')
+   endif
+ 
+-  libgvc_shared = shared_library('gvc',
++  libgvc_shared = shared_library('gnome-volume-control',
+     sources: libgvc_gir_sources + libgvc_no_gir_sources + libgvc_enums,
+     dependencies: libgvc_deps,
+     c_args: c_args,