[RFC 1/3] BaseTools: Update Makefile to work at absolute path

[Liming Gao <liming.gao@intel.com>]

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Liming Gao <liming.gao@intel.com>
---
 BaseTools/Source/C/Makefiles/app.makefile | 2 +-
 BaseTools/Source/C/Makefiles/ms.app       | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/BaseTools/Source/C/Makefiles/app.makefile b/BaseTools/Source/C/Makefiles/app.makefile
index e414551..6017b2d 100644
--- a/BaseTools/Source/C/Makefiles/app.makefile
+++ b/BaseTools/Source/C/Makefiles/app.makefile
@@ -23,6 +23,6 @@ all: $(MAKEROOT)/bin $(APPLICATION)
 $(APPLICATION): $(OBJECTS) 
 	$(LINKER) -o $(APPLICATION) $(BUILD_LFLAGS) $(OBJECTS) -L$(MAKEROOT)/libs $(LIBS)
 
-$(OBJECTS): ../Include/Common/BuildVersion.h
+$(OBJECTS): $(MAKEROOT)/Include/Common/BuildVersion.h
 
 include $(MAKEROOT)/Makefiles/footer.makefile
diff --git a/BaseTools/Source/C/Makefiles/ms.app b/BaseTools/Source/C/Makefiles/ms.app
index 93d51f9..37b7446 100644
--- a/BaseTools/Source/C/Makefiles/ms.app
+++ b/BaseTools/Source/C/Makefiles/ms.app
@@ -19,7 +19,7 @@ $(APPLICATION) : $(OBJECTS)
 	-@if not exist $(BIN_PATH) mkdir $(BIN_PATH)
 	$(LD) /nologo /debug /OPT:REF /OPT:ICF=10 /incremental:no /nodefaultlib:libc.lib /out:$@ $(LIBS) $**
 
-$(OBJECTS) : ..\Include\Common\BuildVersion.h
+$(OBJECTS) : $(SOURCE_PATH)\Include\Common\BuildVersion.h
 
 .PHONY:clean
 .PHONY:cleanall
@@ -30,5 +30,5 @@ clean:
 cleanall:
 	del /f /q $(OBJECTS) $(APPLICATION) *.pdb $(BIN_PATH)\$(APPNAME).pdb > nul
 
-!INCLUDE ..\Makefiles\ms.rule
+!INCLUDE $(SOURCE_PATH)\Makefiles\ms.rule
 
-- 
2.8.0.windows.1