SHELL       =  /bin/sh

CC          =  gcc
CXX         =  g++

INCDIRS     =  -I$(CURDIR)

LDLIBS      =  -lm

OPTIMIZE    =  3
CFLAGS      =  -Wall -O$(OPTIMIZE) $(INCDIRS) -g
CXXFLAGS    =  -Wall -O$(OPTIMIZE) $(INCDIRS) -g

LDFLAGS     =  -O$(OPTIMIZE)

BINDIR      =  $(CURDIR)/../bin

EXECS       =  $(BINDIR)/bandpass
EXECS      +=  $(BINDIR)/coincide
EXECS      +=  $(BINDIR)/detect
EXECS      +=  $(BINDIR)/mask
EXECS      +=  $(BINDIR)/segment
EXECS      +=  $(BINDIR)/select
EXECS      +=  $(BINDIR)/threshold
EXECS      +=  $(BINDIR)/veto

INCLUDES    =  $(sort $(wildcard $(CURDIR)/*.h) $(wildcard $(CURDIR)/*.hh))

ALLSOURCES  =  $(sort $(wildcard $(CURDIR)/*.c) $(wildcard $(CURDIR)/*.cc))
ALLDEPENDS  =  $(addsuffix .d, $(basename $(ALLSOURCES)))
ALLOBJECTS  =  $(addsuffix .o, $(basename $(ALLSOURCES)))

MAINS       =  $(addprefix $(CURDIR)/, \
               $(notdir $(addsuffix .c, $(EXECS)) $(addsuffix .cc, $(EXECS))))
SOURCES     =  $(filter-out $(MAINS), $(ALLSOURCES))
DEPENDS     =  $(addsuffix .d, $(basename $(SOURCES)))
OBJECTS     =  $(addsuffix .o, $(basename $(SOURCES)))

.DELETE_ON_ERROR:

.PHONY:      all exec clean

all:         exec

exec:        $(EXECS)

$(EXECS):    $(ALLOBJECTS)
	     mkdir -p $(BINDIR); \
	     $(CXX) $(LDFLAGS) -o $@ $(CURDIR)/$(notdir $@).o $(OBJECTS) $(LDLIBS)

clean:
	     -rm -f $(EXECS) > /dev/null 2>&1
	     -rm -f $(ALLOBJECTS) > /dev/null 2>&1
	     -rm -f $(ALLDEPENDS) > /dev/null 2>&1
	     -rm -f $(CURDIR)/*~ > /dev/null 2>&1
	     -rm -f $(CURDIR)/core > /dev/null 2>&1

INDEPENDENTS = clean

ifneq ($(strip $(filter-out $(INDEPENDENTS),$(MAKECMDGOALS))),)
-include $(ALLDEPENDS)
endif

ifeq ($(strip $(MAKECMDGOALS)),)
-include $(ALLDEPENDS)
endif

.SUFFIXES:
.SUFFIXES:   .c .cc .h .hh .o .d

%.d:         %.c
	     set -e; $(CC) -MM -MG $(CPPFLAGS) $(CFLAGS) $< \
             | sed 's/\($(*F)\)\.o[ :]*/\1.o $(@F) : /g' > $@; \
             [ -s $@ ] || rm -f $@ > /dev/null 2>&1

%.d:         %.cc
	     set -e; $(CXX) -MM -MG $(CPPFLAGS) $(CXXFLAGS) $< \
             | sed 's/\($(*F)\)\.o[ :]*/\1.o $(@F) : /g' > $@; \
             [ -s $@ ] || rm -f $@ > /dev/null 2>&1