CXX ?= clang++
SRCDIR  ?= src
INCDIR  += -I${SRCDIR}  
OBJDIR  ?= build/obj
BINDIR  ?= build/bin
LIBDIR  ?= build/lib
BINCDIR ?= build/include
INSTALLDIR ?= /usr/local/

TARGET ?= amalgam

CFLAGS += -std=c++11
#CFLAGS += `pkg-config --cflags portaudio-2.0`
#LDFLAGS += `pkg-config --libs portaudio-2.0`

UNAME=$(shell uname -s)
ifeq (${UNAME},FreeBSD) 
INCDIR += -I/sys/
endif 

SHELL=/bin/sh
SRC = $(wildcard ${SRCDIR}/*/*.cpp)
OBJ = ${SRC:${SRCDIR}/%.cpp=${OBJDIR}/%.o}
BINS = $(wildcard ${SRCDIR}/*.cpp)
ALLOBJ = ${SRC:${SRCDIR}/%.cpp=${OBJDIR}/%.o} ${BINS:${SRCDIR}/%.cpp=${OBJDIR}/%.o}
INCLUDES = ${wildcard ${SRCDIR}/*/*.h} 
INC = ${INCLUDES:${SRCDIR}/%.h=${BINCDIR}/%.h}
all: fmtest wavtest amalgam

${ALLOBJ}: $(OBJDIR)/%.o : $(SRCDIR)/%.cpp
	@mkdir -p $(dir $@)
	@echo CXX $<
	${CXX} -o $@ ${INCDIR} -c ${CFLAGS} ${DEFINES} $<

fmtest: ${ALLOBJ}
	@mkdir -p ${BINDIR}
	${CXX} ${INCDIR} -o ${BINDIR}/fmtest ${OBJDIR}/fmtest.o ${OBJ} ${LDFLAGS} ${CFLAGS} ${DEFINES}

wavtest: ${ALLOBJ}
	@mkdir -p ${BINDIR}
	${CXX} ${INCDIR} -o ${BINDIR}/wavtest ${OBJDIR}/wavtest.o ${OBJ} ${LDFLAGS} ${CFLAGS} ${DEFINES}

libamalgam.so: ${OBJ} ${INC}
	@mkdir -p ${LIBDIR}
	${CXX} ${INCDIR} -o ${LIBDIR}/lib${TARGET}.so ${OBJ} --shared -fPIC ${LDFLAGS} ${CFLAGS} ${DEFINES}

libamalgam.dylib: ${OBJ} ${INC}
	@mkdir -p ${LIBDIR}
	${CXX} ${INCDIR} -o ${LIBDIR}/lib${TARGET}.dylib ${OBJ} -dynamiclib ${LDFLAGS} ${CFLAGS} ${DEFINES}

ifeq (${UNAME},Darwin)
amalgam: libamalgam.dylib 
else
amalgam: libamalgam.so	
endif

${INC}: $(BINCDIR)/%.h : $(SRCDIR)/%.h
	@mkdir -p $(dir $@)
	cp $< $@
clean:
	@echo cleaning
	@rm -f build/

remove: clean
	@echo deleting binary
	@rm -f ${BINDIR}/${TARGET}
	@rm -r ${BINDIR}

install: ${TARGET}
	mkdir -p ${INSTALLDIR} 
	cp -a ${BINCDIR} ${INSTALLDIR}
	cp -a ${BINDIR} ${INSTALLDIR}
	cp -a ${LIBDIR} ${INSTALLDIR}