--- muparser-2.3.2/include/muParserFixes.h.orig	2018-11-09 05:56:09.885150900 +0300
+++ muparser-2.3.2/include/muParserFixes.h	2018-11-09 05:56:33.250487300 +0300
@@ -63,7 +63,7 @@
 
 #ifndef MUPARSER_STATIC /* defined if muParser is compiled as a DLL */
 
-	#ifdef MUPARSERLIB_EXPORTS /* defined if we are building the muParser DLL (instead of using it) */
+	#if defined(MUPARSERLIB_EXPORTS) || defined(muparser_EXPORTS) /* defined if we are building the muParser DLL (instead of using it) */
 		#define API_EXPORT_CXX MUPARSER_HELPER_DLL_EXPORT
 	#else
 		#define API_EXPORT_CXX MUPARSER_HELPER_DLL_IMPORT
