linux0.11的vc下的源代码 注释很详细

				# Microsoft Developer Studio Generated NMAKE File, Based on bootsect.dsp
				!IF "$(CFG)" == ""
				CFG=bootsect - Win32 Release
				!MESSAGE No configuration specified. Defaulting to bootsect - Win32 Release.
				!ENDIF 
				
				!IF "$(CFG)" != "bootsect - Win32 Release"
				!MESSAGE Invalid configuration "$(CFG)" specified.
				!MESSAGE You can specify a configuration when running NMAKE
				!MESSAGE by defining the macro CFG on the command line. For example:
				!MESSAGE 
				!MESSAGE NMAKE /f "bootsect.mak" CFG="bootsect - Win32 Release"
				!MESSAGE 
				!MESSAGE Possible choices for configuration are:
				!MESSAGE 
				!MESSAGE "bootsect - Win32 Release" (based on "Win32 (x86) Generic Project")
				!MESSAGE 
				!ERROR An invalid configuration is specified.
				!ENDIF 
				
				!IF "$(OS)" == "Windows_NT"
				NULL=
				!ELSE 
				NULL=nul
				!ENDIF 
				
				MTL=midl.exe
				OUTDIR=.\Release
				INTDIR=.\Release\boot
				
				ALL : ".\Release\boot\bootsect.obj" 
				
				
				CLEAN :
					-@erase 
					-@erase ".\Release\boot\bootsect.obj"
				
				"$(OUTDIR)" :
				    if not exist "$(OUTDIR)/$(NULL)" mkdir "$(OUTDIR)"
				
				"$(INTDIR)" :
				    if not exist "$(INTDIR)/$(NULL)" mkdir "$(INTDIR)"
				
				IntDir=.\Release\boot
				OutDir=.\Release
				SOURCE="$(InputPath)"
				DS_POSTBUILD_DEP=$(INTDIR)\postbld.dep
				
				ALL : $(DS_POSTBUILD_DEP)
				
				$(DS_POSTBUILD_DEP) : ".\Release\boot\bootsect.obj" 
				   link.exe /VXD /NOLOGO /NOENTRY /NODEFAULTLIB /OUT:.\Release\bootsect .\Release\boot\bootsect.obj
					echo Helper for Post-build step > "$(DS_POSTBUILD_DEP)"
				
				MTL_PROJ=
				
				!IF "$(NO_EXTERNAL_DEPS)" != "1"
				!IF EXISTS("bootsect.dep")
				!INCLUDE "bootsect.dep"
				!ELSE 
				!MESSAGE Warning: cannot find "bootsect.dep"
				!ENDIF 
				!ENDIF 
				
				
				!IF "$(CFG)" == "bootsect - Win32 Release"
				SOURCE=..\boot\bootsect.s
				IntDir=.\Release\boot
				WkspDir=.
				InputPath=..\boot\bootsect.s
				InputName=bootsect
				
				"$(INTDIR)\bootsect.obj" : $(SOURCE) "$(INTDIR)" "$(OUTDIR)"
										@echo off 
					$(WkspDir)\masm\ml.exe /Cp /c /nologo /X /coff /Fo "$(IntDir)\$(InputName)" $(InputPath)									
				
				!ENDIF