1 files changed, 7 insertions, 1 deletions

diff --git a/CPP/Build.mak b/CPP/Build.mak
index afb7ae8..86cc2af 100644
--- a/CPP/Build.mak
+++ b/CPP/Build.mak
@@ -111,7 +111,13 @@ CFLAGS = $(CFLAGS) -Zc:forScope
 
 !IFNDEF UNDER_CE
 !IF "$(CC)" != "clang-cl"
-CFLAGS = $(CFLAGS) -MP4
+MP_NPROC = 16
+!IFDEF NUMBER_OF_PROCESSORS
+!IF $(NUMBER_OF_PROCESSORS) < $(MP_NPROC)
+MP_NPROC = $(NUMBER_OF_PROCESSORS)
+!ENDIF
+!ENDIF
+CFLAGS = $(CFLAGS) -MP$(MP_NPROC)
 !ENDIF
 !IFNDEF PLATFORM
 # CFLAGS = $(CFLAGS) -arch:IA32