Fix zlib dependencies and CMAKE_MODULE_PATH forwarding

deps/OpenCSG/CMakeLists.txt.in

@@ -9,6 +9,8 @@ elseif (MSVC)
 endif()
 
 find_package(OpenGL REQUIRED)
+
+set(GLEW_VERBOSE ON)
 find_package(GLEW 1.13.0 REQUIRED)
 
 set(_srcfiles 

deps/OpenCSG/OpenCSG.cmake

@@ -6,6 +6,10 @@ prusaslicer_add_cmake_project(OpenCSG
     DEPENDS dep_GLEW
 )
 
+if (TARGET dep_ZLIB)
+    add_dependencies(dep_OpenCSG dep_ZLIB)
+endif()
+
 if (MSVC)
     add_debug_dep(dep_OpenCSG)
 endif ()