CFLAGS=$(shell pkg-config --cflags libsocial)
LIBS=$(shell pkg-config --libs libsocial)
EMSCRIPTVERSION=1.37.12
GMPVERSION=6.1.2
NETTLEVERSION=3.3
GNUTLSVERSION=3.5.12
SOCIALNETWORKREVISION=9e11beb56de1c867b1339fef577c97c2ac619d59

all: webpeer socialnetwork/libsocial.js

webpeer: daemon.o webpeer.o libwebsocket/libwebsocket.so
	$(CC) -Wl,-R"$(shell pwd)/libwebsocket" $^ libwebsocket/libwebsocket.so $(LIBS) -o $@

libwebsocket/libwebsocket.so:
	make -C libwebsocket

toolchain/usr/bin/emcc: emscripten-$(EMSCRIPTVERSION).tar.gz emscripten-fastcomp-$(EMSCRIPTVERSION).tar.gz emscripten-fastcomp-clang-$(EMSCRIPTVERSION).tar.gz
	./buildtoolchain.sh '$(EMSCRIPTVERSION)'

socialnetwork/libsocial.js: toolchain/usr/bin/emcc
	./buildlibs.sh '$(GMPVERSION)' '$(NETTLEVERSION)' '$(GNUTLSVERSION)'
	./squeezeandcomment.sh '$@' 'This code was built from gmp $(GMPVERSION), nettle $(NETTLEVERSION), gnutls $(GNUTLSVERSION) and socialnetwork git revision $(SOCIALNETWORKREVISION) using emscripten (fastcomp) $(EMSCRIPTVERSION)'

# Download all external sources we'll need
download:
	wget -c 'https://github.com/kripken/emscripten-fastcomp/archive/$(EMSCRIPTVERSION)/emscripten-fastcomp-$(EMSCRIPTVERSION).tar.gz'
	wget -c 'https://github.com/kripken/emscripten-fastcomp-clang/archive/$(EMSCRIPTVERSION)/emscripten-fastcomp-clang-$(EMSCRIPTVERSION).tar.gz'
	wget -c 'https://github.com/kripken/emscripten/archive/$(EMSCRIPTVERSION)/emscripten-$(EMSCRIPTVERSION).tar.gz'
	wget -c 'https://ftp.gnu.org/gnu/gmp/gmp-$(GMPVERSION).tar.xz'
	wget -c 'https://ftp.gnu.org/gnu/nettle/nettle-$(NETTLEVERSION).tar.gz'
	wget -c 'ftp://ftp.gnutls.org/gcrypt/gnutls/v$(shell echo '$(GNUTLSVERSION)' | cut -d '.' -f 1-2)/gnutls-$(GNUTLSVERSION).tar.xz'
	git clone https://ion.nu/git/socialnetwork || (cd socialnetwork && git pull origin master)
	cd socialnetwork && git checkout $(SOCIALNETWORKREVISION)