#Main makefile which does the build

#makedepend flags
DFLAGS =

#Compiler flags
#if mode variable is empty, setting debug build mode
ifeq ($(mode),release)
   CFLAGS = -Wall
else
   mode = debug
   CFLAGS = -g -Wall
endif

CC = g++
PROG = fooexe

#each module will append the source files to here
SRC := main.cpp

#including the description
include bar/module.mk
include foo/module.mk

OBJ := $(patsubst %.cpp, %.o, $(filter %.cpp,$(SRC)))

.PHONY:all
all: information fooexe

information:
ifneq ($(mode),release)
ifneq ($(mode),debug)
    @echo "Invalid build mode."
    @echo "Please use 'make mode=release' or 'make mode=debug'"
    @exit 1
endif
endif
    @echo "Building on "$(mode)" mode"
    @echo ".........................."

#linking the program
fooexe: $(OBJ)
    $(CC) -o $(PROG) $(OBJ)

%.o:%.cpp
    $(CC) $(CFLAGS) -c $< -o $@

depend:
    makedepend -- $(DFLAGS) -- $(SRC)

.PHONY:clean
clean:
    find . -name "*.o" | xargs rm -vf
    rm -vf fooexe

for debugger: -O0 -g -Wall
for development and internal release: -O2 -g -Wall
for release outside the company: -O2 -Wall