diff -rupN libkml-1.3.0/cmake/External_minizip.cmake libkml-1.3.0-new/cmake/External_minizip.cmake
--- libkml-1.3.0/cmake/External_minizip.cmake	2015-12-21 18:23:05.000000000 +0100
+++ libkml-1.3.0-new/cmake/External_minizip.cmake	2018-10-06 21:50:30.785912329 +0200
@@ -1,15 +1,18 @@
+set(MINIZIP_INSTALL_DIR ${CMAKE_BINARY_DIR}/MINIZIP/install/include)
+set(MINIZIP_BUILD_SHARED_LIBS FALSE)
+
 ExternalProject_Add(MINIZIP
   PREFIX MINIZIP
-  URL "http://sourceforge.net/projects/libkml-files/files/1.3.0/minizip.tar.gz/download"
+  URL "${CMAKE_BINARY_DIR}/minizip-1.3.0.tar.gz"
   URL_MD5 d5f74eff74e03e497ea60b2c43623416
   BINARY_DIR ${CMAKE_BINARY_DIR}/MINIZIP/build
   DEPENDS ${MINIZIP_DEPENDS}
-  CMAKE_CACHE_ARGS
-  -DCMAKE_INSTALL_PREFIX:PATH=${INSTALL_DIR}
+  CMAKE_ARGS
+  -DCMAKE_INSTALL_PREFIX:PATH=${MINIZIP_INSTALL_DIR}
   -DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE}
   -DZLIB_INCLUDE_DIR:PATH=${ZLIB_INCLUDE_DIR}
   -DZLIB_LIBRARY:FILEPATH=${ZLIB_LIBRARY}
-  -DBUILD_SHARED_LIBS:BOOL=${BUILD_SHARED_LIBS} )
+  -DBUILD_SHARED_LIBS:BOOL=${MINIZIP_BUILD_SHARED_LIBS} )
 
 if(MSVC)
   include_project_vars(MINIZIP "minizip")
diff -rupN libkml-1.3.0/cmake/LibKMLHelper.cmake libkml-1.3.0-new/cmake/LibKMLHelper.cmake
--- libkml-1.3.0/cmake/LibKMLHelper.cmake	2015-12-21 18:23:05.000000000 +0100
+++ libkml-1.3.0-new/cmake/LibKMLHelper.cmake	2018-10-06 21:52:17.978906400 +0200
@@ -59,16 +59,16 @@ endfunction(build_example)
 
 
 macro(include_project_vars _project _lib)
-  set(${_project}_INCLUDE_DIR "${INSTALL_DIR}/include")
+  set(${_project}_INCLUDE_DIR "${${_project}_INSTALL_DIR}/include")
   if(WIN32)
     set(_suffix ${CMAKE_LINK_LIBRARY_SUFFIX})
   else(UNIX)
-    if(BUILD_SHARED_LIBS)
+    if(${${_project}_BUILD_SHARED_LIBS})
       set(_suffix ${CMAKE_SHARED_LIBRARY_SUFFIX})
     else()
       set(_suffix ".a")
     endif()
   endif(WIN32)
-  set(${_project}_LIBRARY "${INSTALL_DIR}/lib/${_lib}${_suffix}")
+  set(${_project}_LIBRARY "${${_project}_INSTALL_DIR}/lib/${_lib}${_suffix}")
   include_directories(${${_project}_INCLUDE_DIR})
 endmacro()