diff --git a/CMakeLists.txt b/CMakeLists.txt
index ff1b025..53ecd0e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,7 +13,6 @@ SET(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/build/cmake")
 if(NOT CMAKE_RUNTIME_OUTPUT_DIRECTORY)
   set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${libarchive_BINARY_DIR}/bin)
 endif()
-#
 # Set the Build type for make based generators.
 # You can choose following types:
 #   Debug          : Debug build
@@ -445,14 +444,14 @@ IF(ZLIB_FOUND)
   INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIR})
   LIST(APPEND ADDITIONAL_LIBS ${ZLIB_LIBRARIES})
   IF(WIN32 AND NOT CYGWIN)
-    #
-    # Test if ZLIB_WINAPI macro is needed to use.
-    #
-    TRY_MACRO_FOR_LIBRARY(
-      "${ZLIB_INCLUDE_DIR}" "${ZLIB_LIBRARIES}"
-      RUNS
-      "#include <zlib.h>\nint main() {uLong f = zlibCompileFlags(); return (f&(1U<<10))?0:-1; }"
-      ZLIB_WINAPI)
+
+
+
+
+
+
+
+    SET(ZLIB_WINAPI yes)
     IF(ZLIB_WINAPI)
       ADD_DEFINITIONS(-DZLIB_WINAPI)
     ELSE(ZLIB_WINAPI)