patch 8.0.0093
Problem:    Not using multiprocess build feature.
Solution:   Enable multiprocess build with MSVC 10. (Ken Takata)
diff --git a/src/Make_mvc.mak b/src/Make_mvc.mak
index 435f56d..5160aeb 100644
--- a/src/Make_mvc.mak
+++ b/src/Make_mvc.mak
@@ -297,6 +297,9 @@
 # Flag to turn on Win64 compatibility warnings for VC7.x and VC8.
 WP64CHECK = /Wp64
 
+# Use multiprocess build
+USE_MP = yes
+
 #>>>>> path of the compiler and linker; name of include and lib directories
 # PATH = c:\msvc20\bin;$(PATH)
 # INCLUDE = c:\msvc20\include
@@ -473,6 +476,14 @@
 NODEFAULTLIB = /nodefaultlib
 !endif
 
+# Use multiprocess build on MSVC 10
+!if "$(USE_MP)"=="yes"
+!if $(MSVC_MAJOR) >= 10
+CFLAGS = $(CFLAGS) /MP
+!endif
+!endif
+
+
 !ifdef NODEBUG
 VIM = vim
 !if "$(OPTIMIZE)" == "SPACE"