################################################################################
# Contents: makefile with dependency generation                                #
#           26.05.2015                                                         #
#------------------------------------------------------------------------------#
#           makefile for cpp/c bins and libs                                   #
#           autor Philipp Schoenberger                                         #
#           ph.schoenberger@googlemail.com                                     #
################################################################################
LIBS = pthread

OUT_BINARY = lwrserv

CC = g++
GLOBAL_FLAGS = -g -o2 -ansi -pedantic -DHAVE_SOCKLEN_T
CFLAGS   = $(GLOBAL_FLAGS)
CXXFLAGS = $(GLOBAL_FLAGS)
CPPFLAGS = $(GLOBAL_FLAGS) 
LDFLAGS = $(patsubst %,-l%,$(LIBS)) 

BUILD_DIR = build

# Sources
SRC_C   := $(wildcard *.c)
SRC_H   := $(wildcard *.h)
SRC_CPP  := $(wildcard *.cpp)
SRC_HPP  := $(wildcard *.hpp)
#SRC_CXX := $(wildcard *.cxx)
#SRC_CC  := $(wildcard *.C)

# Objects
OBJS_C = $(patsubst %.c,$(BUILD_DIR)/%.o,$(SRC_C))
OBJS_CPP = $(patsubst %.cpp,$(BUILD_DIR)/%.o,$(SRC_CPP))


OBJS=$(patsubst %.o,%.o,$(OBJS_C) $(OBJS_CPP))

# Dependencies
DEPS_H = $(patsubst %.h,$(BUILD_DIR)/%.d,$(SRC_H))
DEPS_HPP = $(patsubst %.hpp,$(BUILD_DIR)/%.d,$(SRC_HPP))

DEPS=$(OBJS:%.o=%.d)
#DEPS+=$(DEPS_H)
#DEPS+=$(DEPS_HPP)

.DEFAULT: all
Q=@

all: $(BUILD_DIR) $(BUILD_DIR)/$(OUT_BINARY)

$(BUILD_DIR):
	$(Q)echo " [mk] $(BUILD_DIR)"
	$(Q)mkdir -p $(BUILD_DIR)

clean:
	$(Q)echo " [rm] $(BUILD_DIR)"
	$(Q)rm -rf $(BUILD_DIR)

$(BUILD_DIR)/$(OUT_BINARY): $(BUILD_DIR) $(DEPS) $(DEP_LIBS) $(OBJS)
	$(Q)echo " [ld] $@"
	$(Q)( $(CC)  $(CFLAGS) $(OBJS) $(LDFLAGS)  -o $@ ) || exit 1

$(BUILD_DIR)/%.o : %.c $(BUILD_DIR)
	$(Q)echo " [CC] $@"
	$(Q)( $(CC) -c $(CFLAGS) $(CPPFLAGS) $< -o $@ ) || exit 1

$(BUILD_DIR)/%.o : %.cpp $(BUILD_DIR)
	$(Q)echo " [CXX] $@"
	$(Q)( $(CXX) -c $(CXXFLAGS) $(CPPFLAGS) $< -o $@ ) || exit 1

$(BUILD_DIR)/%.d: $(BUILD_DIR) %.c 
	$(Q)echo " [DEP] $@"
	$(Q)touch $@
	$(Q)echo -n "$@ $(patsubst %.d,%.o,$@):" >$@
	$(Q)$(CC) -M $(CFLAGS) $(filter %.cpp,$^ ) | sed 's:$*.o\:::' >> $@

$(BUILD_DIR)/%.d: $(BUILD_DIR) %.cpp 
	$(Q)echo " [DEP] $@"
	$(Q)touch $@
	$(Q)echo -n "$@ $(patsubst %.d,%.o,$@):" >$@
	$(Q)$(CC) -M $(filter-out -g -o0 -o1 -o2 ,$(CPPFLAGS)) $(filter %.cpp,$^) | sed 's:$*.o\:::' >> $@

-include $(DEPS)