Makefile.emscripten

CC=emcc
CXX=em++
OPT=-O3
VERSION=$(shell git describe --always)
BUILD_INFO=-DKGRAPH_VERSION=$(VERSION) -DKGRAPH_BUILD_ID=$(BUILD_ID) -DKGRAPH_BUILD_NUMBER=$(BUILD_NUMBER)
CXXFLAGS+=$(BUILD_INFO) -Wall -g -g4 -std=c++11 -I. $(OPENMP) $(OPT) $(ARCH) 
LDFLAGS+=$(OPENMP) -static
LDLIBS+=-lboost_timer -lboost_chrono -lboost_system -lboost_program_options -lm

.SUFFIXES:	.bc .js .html
.PHONY:	all python clean release deps-ubuntu flann

COMMON=kgraph.o metric.o
HEADERS=kgraph.h kgraph-data.h 
PROGS=resave.js index.js search.js test.js
PRELOAD=sift.data

EM_OPT=-s PRECISE_F32=1 -s ALLOW_MEMORY_GROWTH=1 -s DEMANGLE_SUPPORT=1

all:	libkgraph.a $(PROGS) python $(EXTRA_PROGS)
	echo $(BUILD_INFO)

%.js:	%.bc 
	$(CXX) -O2 -o $@ $^ $(EM_OPT) #-s ALLOW_MEMORY_GROWTH=1 

%.html:	%.bc 
	$(CXX) -O2 -o $@ $^ $(EM_OPT) # --preload-file $(PRELOAD) 


%.bc:	%.cpp $(HEADERS) $(COMMON)
	$(CXX) $(CXXFLAGS) $(LDFLAGS) -o $@ $*.cpp $(COMMON) $(LDLIBS)

libkgraph.a:	$(COMMON)
	emar rvs $@ $^

%.o:	%.cpp $(HEADERS)
	$(CXX) $(CXXFLAGS) -c $*.cpp 

clean:
	rm -f $(PROGS) *.o