nmake basics

makefile

# Set up the default build type. Build for release with: nmake build=release
!IF "$(BUILD)" == "RELEASE" || "$(build)" == "release"
_BUILD=release
!ELSE
_BUILD=debug
!ENDIF

BINDIR=bin\$(_BUILD)^\

!IF !EXIST("$(BINDIR)")
!  IF [MKDIR $(BINDIR)] != 0
!    ERROR Could not create the $(BINDIR) directory.
!  ENDIF
!ENDIF

# Define the standard flags for compilation
CPPFLAGS=/Zi /EHsc /std:c++17 /permissive- /W3 /WX- /Fd$(BINDIR) /Fo$(BINDIR) /nologo
LNKFLAGS=/DEBUG /nologo

# Add on the build-type specific flags
!IF "$(_BUILD)" == "release"
CPPFLAGS=$(CPPFLAGS) /MD /O2 /Gy /Zc:inline /D "NDEBUG"
LNKFLAGS=$(LNKFLAGS) /OPT:REF,ICF
!ELSE
CPPFLAGS=$(CPPFLAGS) /MDd /RTC1 /JMC /D "_DEBUG"
LNKFLAGS=$(LNKFLAGS) /INCREMENTAL
!ENDIF

default: $(BINDIR)app.exe
  @echo Build for $(_BUILD) completed

# Invoke the compiler if any dependencies are out of date
$(BINDIR)app.exe: src\test.cpp src\common.h
  $(CPP) $(CPPFLAGS) src\test.cpp /link $(LNKFLAGS) /OUT:"$@"

clean:
  -rmdir /s /q bin