diff --git a/expat/CMakeLists.txt b/expat/CMakeLists.txt
index 78718a63..fcd0c39a 100644
--- a/expat/CMakeLists.txt
+++ b/expat/CMakeLists.txt
@@ -106,6 +106,9 @@ if(DEFINED BUILD_SHARED_LIBS)
 else()
     set(_EXPAT_SHARED_LIBS_DEFAULT ON)
 endif()
+if(NOT CMAKE_BUILD_TYPE)
+    set(CMAKE_BUILD_TYPE NoConfig)  # so that accessing CMAKE_*_POSTFIX will be waterproof
+endif()
 string(TOUPPER "${CMAKE_BUILD_TYPE}" _EXPAT_BUILD_TYPE_UPPER)
 
 #
diff --git a/expat/cmake/autotools/expat-noconfig__linux.cmake.in b/expat/cmake/autotools/expat-noconfig__linux.cmake.in
index 39595048..2726e488 100644
--- a/expat/cmake/autotools/expat-noconfig__linux.cmake.in
+++ b/expat/cmake/autotools/expat-noconfig__linux.cmake.in
@@ -1,11 +1,11 @@
 #----------------------------------------------------------------
-# Generated CMake target import file.
+# Generated CMake target import file for configuration "NoConfig".
 #----------------------------------------------------------------
 
 # Commands may need to know the format version.
 set(CMAKE_IMPORT_FILE_VERSION 1)
 
-# Import target "expat::expat" for configuration ""
+# Import target "expat::expat" for configuration "NoConfig"
 set_property(TARGET expat::expat APPEND PROPERTY IMPORTED_CONFIGURATIONS NOCONFIG)
 set_target_properties(expat::expat PROPERTIES
   IMPORTED_LOCATION_NOCONFIG "${_IMPORT_PREFIX}/@LIBDIR_BASENAME@/libexpat.so.@SO_MAJOR@.@SO_MINOR@.@SO_PATCH@"
diff --git a/expat/cmake/autotools/expat-noconfig__macos.cmake.in b/expat/cmake/autotools/expat-noconfig__macos.cmake.in
index b6b1016c..0485cc63 100644
--- a/expat/cmake/autotools/expat-noconfig__macos.cmake.in
+++ b/expat/cmake/autotools/expat-noconfig__macos.cmake.in
@@ -1,11 +1,11 @@
 #----------------------------------------------------------------
-# Generated CMake target import file.
+# Generated CMake target import file for configuration "NoConfig".
 #----------------------------------------------------------------
 
 # Commands may need to know the format version.
 set(CMAKE_IMPORT_FILE_VERSION 1)
 
-# Import target "expat::expat" for configuration ""
+# Import target "expat::expat" for configuration "NoConfig"
 set_property(TARGET expat::expat APPEND PROPERTY IMPORTED_CONFIGURATIONS NOCONFIG)
 set_target_properties(expat::expat PROPERTIES
   IMPORTED_LOCATION_NOCONFIG "${_IMPORT_PREFIX}/@LIBDIR_BASENAME@/libexpat.@SO_MAJOR@.@SO_MINOR@.@SO_PATCH@.dylib"
diff --git a/expat/cmake/autotools/expat-noconfig__windows.cmake.in b/expat/cmake/autotools/expat-noconfig__windows.cmake.in
index 66b2f5cb..78e1430b 100644
--- a/expat/cmake/autotools/expat-noconfig__windows.cmake.in
+++ b/expat/cmake/autotools/expat-noconfig__windows.cmake.in
@@ -1,11 +1,11 @@
 #----------------------------------------------------------------
-# Generated CMake target import file.
+# Generated CMake target import file for configuration "NoConfig".
 #----------------------------------------------------------------
 
 # Commands may need to know the format version.
 set(CMAKE_IMPORT_FILE_VERSION 1)
 
-# Import target "expat::expat" for configuration ""
+# Import target "expat::expat" for configuration "NoConfig"
 set_property(TARGET expat::expat APPEND PROPERTY IMPORTED_CONFIGURATIONS NOCONFIG)
 set_target_properties(expat::expat PROPERTIES
   IMPORTED_IMPLIB_NOCONFIG "${_IMPORT_PREFIX}/@LIBDIR_BASENAME@/libexpat.dll.a"