patch 8.1.1119: no support for Windows on ARM64.
Problem: No support for Windows on ARM64.
Solution: Add ARM64 support (Leendert van Doorn)
diff --git a/src/Make_mvc.mak b/src/Make_mvc.mak
index c502dec..b6a1ac0 100644
--- a/src/Make_mvc.mak
+++ b/src/Make_mvc.mak
@@ -240,6 +240,8 @@
! ifdef PLATFORM
! if ("$(PLATFORM)" == "x64") || ("$(PLATFORM)" == "X64")
CPU = AMD64
+! elseif ("$(PLATFORM)" == "arm64") || ("$(PLATFORM)" == "ARM64")
+CPU = ARM64
! elseif ("$(PLATFORM)" != "x86") && ("$(PLATFORM)" != "X86")
! error *** ERROR Unknown target platform "$(PLATFORM)". Make aborted.
! endif
@@ -442,6 +444,8 @@
# on the architecture.
!if "$(CPU)" == "AMD64"
XPM = xpm\x64
+!elseif "$(CPU)" == "ARM64"
+XPM = xpm\arm64
!elseif "$(CPU)" == "i386"
XPM = xpm\x86
!else