--- OpenCOLLADA-1.6.68/CMakeLists.txt.orig	2018-11-26 23:43:10.000000000 +0100
+++ OpenCOLLADA-1.6.68/CMakeLists.txt	2023-04-01 21:00:52.307371195 +0200
@@ -274,7 +274,6 @@ add_subdirectory(common/libftoa)
 add_subdirectory(${EXTERNAL_LIBRARIES}/UTF)
 add_subdirectory(common/libBuffer)
 add_subdirectory(${EXTERNAL_LIBRARIES}/MathMLSolver)
-add_subdirectory(${EXTERNAL_LIBRARIES}/zlib)
 
 # building OpenCOLLADA libs
 add_subdirectory(COLLADABaseUtils)
--- OpenCOLLADA-1.6.68/DAEValidator/CMakeLists.txt.orig	2018-11-26 23:43:10.000000000 +0100
+++ OpenCOLLADA-1.6.68/DAEValidator/CMakeLists.txt	2023-04-01 21:20:25.487682198 +0200
@@ -80,14 +80,7 @@ if (NOT LIBXML2_FOUND)
 else ()
     list(APPEND Libraries ${LIBXML2_LIBRARIES})
 endif ()
-if (USE_STATIC)
-        list(APPEND Libraries zlib_static)
-    else ()
-        list(APPEND Libraries zlib_shared)
-    endif ()
-if (WIN32)
-	list(APPEND Libraries ws2_32.lib)
-endif ()
+list(APPEND Libraries z)
 target_link_libraries(DAEValidatorExecutable ${Libraries})
 set_target_properties(DAEValidatorExecutable PROPERTIES OUTPUT_NAME DAEValidator)