--- a
+++ b/CMakeModules/FindZLIB.cmake
@@ -0,0 +1,45 @@
+# - Find zlib
+# Find the native ZLIB includes and library
+#
+#  ZLIB_INCLUDE_DIR - where to find zlib.h, etc.
+#  ZLIB_LIBRARIES   - List of libraries when using zlib.
+#  ZLIB_FOUND       - True if zlib found.
+
+# - Find TIFF for Hugin 0.7 01Nov2007 TKSharpless
+# Added to support Windows build but should work anywhere.
+# After looking in UNIX standard places, tries wxWidgets build 
+# tree, which should have this package.
+#
+# reads cache variables
+#  wxWidgets_ROOT_DIR
+#  wxWidgets_LIB_DIR
+# 
+
+IF (ZLIB_INCLUDE_DIR)
+  # Already in cache, be silent
+  SET(ZLIB_FIND_QUIETLY TRUE)
+ENDIF (ZLIB_INCLUDE_DIR)
+
+FIND_PATH(ZLIB_INCLUDE_DIR zlib.h
+  /usr/local/include
+  /usr/include
+  ${wxWidgets_ROOT_DIR}/src/zlib
+)
+
+include(FindLibraryWithDebug)
+
+find_library_with_debug(ZLIB_LIBRARIES
+  WIN32_DEBUG_POSTFIX d
+  NAMES z zlib wxzlib
+  PATHS /usr/lib /usr/local/lib ${wxWidgets_LIB_DIR}
+)
+
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(ZLIB DEFAULT_MSG 
+                                  ZLIB_INCLUDE_DIR ZLIB_LIBRARIES)
+
+MARK_AS_ADVANCED(
+  ZLIB_LIBRARIES
+  ZLIB_INCLUDE_DIR
+  )