Fix libPNG

DataSpec/CMakeLists.txt

@@ -75,7 +75,7 @@ add_library(AssetNameMapNull
 get_target_property(HECL_INCLUDES hecl-full INCLUDE_DIRECTORIES)
 target_include_directories(RetroDataSpec PUBLIC ${LIBPNG_INCLUDE_DIR} ${ZLIB_INCLUDE_DIR}
                            ${HECL_INCLUDES} ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_SOURCE_DIR})
-target_link_libraries(RetroDataSpec PUBLIC amuse zeus nod specter squish ${PNG_LIB} ${ZLIB_LIBRARIES} lzokay logvisor)
+target_link_libraries(RetroDataSpec PUBLIC amuse zeus nod specter squish ${PNG_LIBRARIES} ${ZLIB_LIBRARIES} lzokay logvisor)
 if(COMMAND add_sanitizers)
   add_sanitizers(RetroDataSpec)
 endif()

Editor/badging/CMakeLists.txt

@@ -5,7 +5,7 @@ find_library(M_LIB m)
 if(NOT M_LIB)
   unset(M_LIB CACHE)
 endif()
-target_link_libraries(packbadge ${PNG_LIB} ${ZLIB_LIBRARIES} ${M_LIB})
+target_link_libraries(packbadge ${PNG_LIBRARIES} ${ZLIB_LIBRARIES} ${M_LIB})
 target_include_directories(packbadge PRIVATE ${LIBPNG_INCLUDE_DIR} ${ZLIB_INCLUDE_DIR})
 
 ##################

Editor/icons/CMakeLists.txt

@@ -4,7 +4,7 @@ find_library(M_LIB m)
 if(NOT M_LIB)
   unset(M_LIB CACHE)
 endif()
-target_link_libraries(packicons ${PNG_LIB} ${ZLIB_LIBRARIES} ${M_LIB})
+target_link_libraries(packicons ${PNG_LIBRARIES} ${ZLIB_LIBRARIES} ${M_LIB})
 target_include_directories(packicons PRIVATE ${LIBPNG_INCLUDE_DIR} ${ZLIB_INCLUDE_DIR})
 
 ##################

Editor/platforms/freedesktop/CMakeLists.txt

@@ -1,6 +1,6 @@
 add_executable(mkwmicon mkwmicon.c)
 target_include_directories(mkwmicon PRIVATE ${LIBPNG_INCLUDE_DIR})
-target_link_libraries(mkwmicon ${PNG_LIB} ${ZLIB_LIBRARIES})
+target_link_libraries(mkwmicon ${ZLIB_LIBRARIES} ${PNG_LIBRARIES})
 
 macro(declare_wmicon_target)
 add_custom_command(OUTPUT ${CMAKE_BINARY_DIR}/Editor/platforms/freedesktop/mainicon_netwm.bin