patch 8.0.1473: MS-Windows: D&D fails between 32 and 64 bit apps
Problem: MS-Windows: D&D fails between 32 and 64 bit apps.
Solution: Add the /HIGHENTROPYVA:NO linker option. (Ken Takata, closes #2504)
diff --git a/src/Make_mvc.mak b/src/Make_mvc.mak
index b496e5a..c2e808c 100644
--- a/src/Make_mvc.mak
+++ b/src/Make_mvc.mak
@@ -1179,6 +1179,13 @@
!endif
!endif
+!if $(MSVC_MAJOR) >= 11 && "$(CPU)" == "AMD64" && "$(GUI)" == "yes"
+# This option is required for VC2012 or later so that 64-bit gvim can
+# accept D&D from 32-bit applications. NOTE: This disables 64-bit ASLR,
+# therefore the security level becomes as same as VC2010.
+LINKARGS1 = $(LINKARGS1) /HIGHENTROPYVA:NO
+!endif
+
all: $(VIM).exe \
vimrun.exe \
install.exe \