--- /dev/null
+diff --git a/src/xercesc/util/XercesDefs.hpp b/src/xercesc/util/XercesDefs.hpp
+index 8071260..cd6bd68 100644
+--- a/src/xercesc/util/XercesDefs.hpp
++++ b/src/xercesc/util/XercesDefs.hpp
+@@ -133,7 +133,7 @@ typedef XMLUInt32 UCS4Ch;
+ // The DLL_EXPORT flag should be defined on the command line during the build of a DLL
+ // configure conspires to make this happen.
+
+-#if defined(DLL_EXPORT)
++#if defined(XERCES_DLL_EXPORT)
+ #if defined(XERCES_BUILDING_LIBRARY)
+ #define XMLUTIL_EXPORT XERCES_PLATFORM_EXPORT
+ #define XMLPARSER_EXPORT XERCES_PLATFORM_EXPORT
+diff --git a/src/xercesc/util/Xerces_autoconf_config.hpp.cmake.in b/src/xercesc/util/Xerces_autoconf_config.hpp.cmake.in
+index e849e08..69fe3bf 100644
+--- a/src/xercesc/util/Xerces_autoconf_config.hpp.cmake.in
++++ b/src/xercesc/util/Xerces_autoconf_config.hpp.cmake.in
+@@ -85,9 +85,6 @@
+ #define XERCES_PLATFORM_EXPORT @XERCES_PLATFORM_EXPORT@
+ #define XERCES_PLATFORM_IMPORT @XERCES_PLATFORM_IMPORT@
+ #define XERCES_TEMPLATE_EXTERN @XERCES_TEMPLATE_EXTERN@
+-#ifdef XERCES_DLL_EXPORT
+-# define DLL_EXPORT
+-#endif
+
+ // ---------------------------------------------------------------------------
+ // Include standard headers, if available, that we may rely on below.