https://bugs.gentoo.org/941962
https://github.com/openstreetmap/merkaartor/pull/302

From ff11bb2a29a8c429f22c50ccdde7ab1210a182f0 Mon Sep 17 00:00:00 2001
From: Nikolay Korotkiy <sikmir@disroot.org>
Date: Mon, 9 Sep 2024 20:29:27 +0400
Subject: [PATCH] Fix build with GEOIMAGE=0

--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -371,9 +371,7 @@ src/Docks/MinimumRelationProperties.ui
 src/Docks/PropertiesDock.h
 src/Docks/DirtyDock.h
 src/Docks/StyleDock.cpp
-src/Docks/GeoImageDock.cpp
 src/Docks/DirtyDock.ui
-src/Docks/GeoImageDock.h
 src/Docks/MDockAncestor.cpp
 src/Docks/MinimumTrackPointProperties.ui
 src/Docks/StyleDock.h
@@ -507,6 +505,7 @@ endif()
 
 if (GEOIMAGE)
     list(APPEND PKGCONFIG_REQUIRED_LIBS exiv2)
+    list(APPEND merkaartor_SRCS src/Docks/GeoImageDock.cpp src/Docks/GeoImageDock.h)
     add_definitions(-DGEOIMAGE=1)
 endif()