Makefile

   1 # Makefile for rpn.
   2 # Should be fairly portable for the various *nix systems. The rules
   3 # themselves shouldn't need to be changed; only the variables may need to
   4 # change.
   5
   6 # Automatically default to a release build.
   7 ifndef DEBUG
   8 RELEASE = 1
   9 endif
  10
  11 # Version
  12 VERSION = $(shell cat VERSION)
  13 GIT_BUILD = $(shell git describe)
  14
  15 # Git command to make a distribution tarball.
  16 GIT_ARCHIVE = git archive --format=tar --prefix=rpn-$(VERSION)/ HEAD | \
  17         bzip2 >rpn-$(VERSION).tar.bz2
  18
  19 ifdef RELEASE
  20 CXXFLAGS = -Wall -pedantic -O2 -DRPN_CONSOLE
  21 LFLAGS = -s -lm -o
  22 endif
  23 ifdef DEBUG
  24 CXXFLAGS = -Wall -pedantic -g -DRPN_CONSOLE
  25 LFLAGS = -lm -o
  26 endif
  27
  28 SRCDIR = src/
  29 TARGET = bin/rpn
  30 OBJECTS = \
  31         $(SRCDIR)Calculator.o $(SRCDIR)Commands.o $(SRCDIR)History.o \
  32         $(SRCDIR)Main.o $(SRCDIR)Operators.o $(SRCDIR)Variables.o
  33
  34 # make the program by default
  35 .PHONY: all
  36 all: $(TARGET)
  37
  38 # rule to clean-up the objects and the target, if they exist
  39 .PHONY: clean
  40 clean:
  41         @echo Cleaning objects and executables...
  42         @$(RM) $(OBJECTS) $(TARGET)
  43
  44 # General rule for compiling.
  45 $(SRCDIR)%.o: $(SRCDIR)%.cpp $(SRCDIR)rpn.h
  46         @echo Compiling $(notdir $<)
  47         @$(CXX) $(CXXFLAGS) -c -o $@ $<
  48
  49 # rule to make the program
  50 $(TARGET): $(OBJECTS)
  51         @echo Linking $(TARGET)...
  52         @$(CXX) $(OBJECTS) $(LFLAGS) $@
  53
  54 # rule to make tarball for distribution.
  55 .PHONY: dist
  56 dist:
  57         $(GIT_ARCHIVE)
  58
  59 # rule to make documentation
  60 .PHONY: doc
  61 doc:
  62         doxygen Doxyfile
  63
  64 # An easter egg, just for the hell of it.
  65 .PHONY: love
  66 love:
  67         @echo Not war?