--- CMakeLists.txt.orig	2024-09-19 13:10:47 UTC
+++ CMakeLists.txt
@@ -28,6 +28,7 @@ option(BUILD_COVERAGE "Build with coverage" OFF)
 
 option(BUILD_TESTS    "Build test suite" OFF)
 option(BUILD_COVERAGE "Build with coverage" OFF)
+option(BUILD_GEN      "Build osm2pgsql-gen" OFF)
 option(WITH_LUAJIT    "Build with LuaJIT support" OFF)
 option(WITH_PROJ      "Build with Projection support" ON)
 
@@ -253,7 +254,6 @@ else()
     message(STATUS "Did not find opencv and/or potrace library. Not building osm2pgsql-gen.")
 else()
     message(STATUS "Found opencv and potrace library. Building osm2pgsql-gen.")
-    set(BUILD_GEN 1)
     include_directories(SYSTEM ${POTRACE_INCLUDE_DIR})
     add_executable(osm2pgsql-gen src/gen/osm2pgsql-gen.cpp
                 src/gen/canvas.cpp