diff -Nru orig/msa/src/Makevars.win patched/msa/src/Makevars.win
--- orig/msa/src/Makevars.win	2023-10-20 20:25:15.000000000 +0200
+++ patched/msa/src/Makevars.win	2024-03-14 11:22:31.230646400 +0100
@@ -1,5 +1,6 @@
 .PHONY: all ./libGC.a ./libMuscle.a ./libClustalW.a ./libClustalOmega.a
 
+CXX_STD = CXX14
 PKG_LIBS=-Wl,--whole-archive ./libGC.a ./libMuscle.a ./libClustalW.a ./libClustalOmega.a -Wl,--no-whole-archive
 PKG_CXXFLAGS=-I"./gc-8.2.2/include" -I"./Muscle/" -I"./ClustalW/src" -I"./ClustalOmega/src" -Wno-deprecated