diff --git a/depends/CMakeLists.txt b/depends/CMakeLists.txt
index f2ccff398..7e0a4027b 100644
--- a/depends/CMakeLists.txt
+++ b/depends/CMakeLists.txt
@@ -21,19 +21,31 @@ ide_folder(clsocket "Depends")
 # assemble environment args to pass on to dependency projects
 get_cmake_property(vars CACHE_VARIABLES)
 foreach(var ${vars})
-  if(var MATCHES "^CMAKE_" AND NOT var MATCHES "^CMAKE_CACHE" AND NOT var MATCHES "^CMAKE_HOME" AND NOT var MATCHES "^CMAKE_PROJECT")
+  if(var MATCHES "^CMAKE_"
+     AND NOT var MATCHES "^CMAKE_CACHE"
+     AND NOT var MATCHES "^CMAKE_HOME"
+     AND NOT var MATCHES "^CMAKE_PROJECT")
+    message("${var} = [${${var}}]")
+    list(APPEND CL_ARGS "-D${var}=${${var}}")
+  endif()
+  if(var MATCHES "^ZLIB")
     message("${var} = [${${var}}]")
     list(APPEND CL_ARGS "-D${var}=${${var}}")
   endif()
 endforeach()
-message("final CL_ARGS = ${CL_ARGS}")
+
+if(WIN32)
+  set(LIB_SUFFIX "MD.lib")
+else()
+  set(LIB_SUFFIX ".a")
+endif()
 
 set(LIBEXPAT_INSTALL_DIR ${CMAKE_CURRENT_BINARY_DIR}/libexpat)
 ExternalProject_Add(libexpat_project
     PREFIX      libexpat
     SOURCE_DIR  ${CMAKE_CURRENT_SOURCE_DIR}/libexpat/expat
     INSTALL_DIR ${LIBEXPAT_INSTALL_DIR}
-    BUILD_BYPRODUCTS ${LIBEXPAT_INSTALL_DIR}/lib/libexpat.a
+    BUILD_BYPRODUCTS ${LIBEXPAT_INSTALL_DIR}/lib/libexpat${LIB_SUFFIX}
     CMAKE_ARGS  ${CL_ARGS} -DCMAKE_INSTALL_PREFIX=${LIBEXPAT_INSTALL_DIR} -DCMAKE_BUILD_TYPE=Release -DEXPAT_BUILD_EXAMPLES=OFF -DEXPAT_BUILD_TESTS=OFF -DEXPAT_BUILD_TOOLS=OFF -DEXPAT_SHARED_LIBS=OFF -DCMAKE_INSTALL_LIBDIR=lib -DCMAKE_POSITION_INDEPENDENT_CODE=ON -DCMAKE_VERBOSE_MAKEFILE:BOOL=ON
 )
 
@@ -42,7 +54,7 @@ ExternalProject_Add(libzip_project
     PREFIX      libzip
     SOURCE_DIR  ${CMAKE_CURRENT_SOURCE_DIR}/libzip
     INSTALL_DIR ${LIBZIP_INSTALL_DIR}
-    BUILD_BYPRODUCTS ${LIBZIP_INSTALL_DIR}/lib/libzip.a
+    BUILD_BYPRODUCTS ${LIBZIP_INSTALL_DIR}/lib/libzip${LIB_SUFFIX}
     CMAKE_ARGS  ${CL_ARGS} -DCMAKE_INSTALL_PREFIX=${LIBZIP_INSTALL_DIR} -DCMAKE_BUILD_TYPE=Release -DBUILD_DOC=OFF -DBUILD_EXAMPLES=OFF -DBUILD_REGRESS=OFF -DBUILD_SHARED_LIBS=OFF -DBUILD_TOOLS=OFF -DENABLE_BZIP2=OFF -DENABLE_COMMONCRYPTO=OFF -DENABLE_GNUTLS=OFF -DENABLE_LZMA=OFF -DENABLE_MBEDTLS=OFF -DENABLE_OPENSSL=OFF -DENABLE_WINDOWS_CRYPTO=OFF -DCMAKE_INSTALL_LIBDIR=lib -DCMAKE_POSITION_INDEPENDENT_CODE=ON -DCMAKE_VERBOSE_MAKEFILE:BOOL=ON
 )
 
@@ -51,7 +63,7 @@ ExternalProject_Add(xlsxio_project
     PREFIX      xlsxio
     SOURCE_DIR  ${CMAKE_CURRENT_SOURCE_DIR}/xlsxio
     INSTALL_DIR ${XLSXIO_INSTALL_DIR}
-    BUILD_BYPRODUCTS ${XLSXIO_INSTALL_DIR}/lib/libxlsxio_read.a
+    BUILD_BYPRODUCTS ${XLSXIO_INSTALL_DIR}/lib/libxlsxio_read${LIB_SUFFIX}
     CMAKE_ARGS  ${CL_ARGS} -DCMAKE_INSTALL_PREFIX=${XLSXIO_INSTALL_DIR} -DCMAKE_BUILD_TYPE=Release -DBUILD_STATIC=ON -DBUILD_SHARED=OFF -DCMAKE_POSITION_INDEPENDENT_CODE=ON -DBUILD_TOOLS=OFF -DBUILD_EXAMPLES=OFF -DBUILD_DOCUMENTATION=OFF -DWITH_LIBZIP=ON -DZLIB_DIR=${ZLIB_DIR} -DLIBZIP_DIR=${LIBZIP_INSTALL_DIR} -DEXPAT_DIR=${LIBEXPAT_INSTALL_DIR} -DCMAKE_POSITION_INDEPENDENT_CODE=ON -DCMAKE_VERBOSE_MAKEFILE:BOOL=ON
 )
 add_dependencies(xlsxio_project libexpat_project)