Index: libgeotiff-1.4.3/CMakeLists.txt
===================================================================
--- libgeotiff-1.4.3.orig/CMakeLists.txt
+++ libgeotiff-1.4.3/CMakeLists.txt
@@ -178,7 +178,7 @@ IF(WITH_TIFF)
     IF(TIFF_FOUND)
         # Confirm required API is available
         INCLUDE(CheckFunctionExists)
-        SET(CMAKE_REQUIRED_LIBRARIES ${TIFF_LIBRARIES} -lm)
+        SET(CMAKE_REQUIRED_LIBRARIES ${TIFF_LIBRARIES} -lz -lm)
 
         CHECK_FUNCTION_EXISTS(TIFFOpen HAVE_TIFFOPEN)
         IF(NOT HAVE_TIFFOPEN)
