#-----------------------------------------------------------------------------#
#
# Makefile for v8 static link
#
# 'make static' will download the v8 source and build it, then build plv8
# with statically link to v8 with snapshot.  This assumes certain directory
# structure in v8 which may be different from version to another, but user
# can specify the v8 version by AUTOV8_VERSION, too.
#-----------------------------------------------------------------------------#
AUTOV8_VERSION = 5.4.500.43
AUTOV8_DIR = build/v8-git-mirror-$(AUTOV8_VERSION)
AUTOV8_OUT = build/v8-git-mirror-$(AUTOV8_VERSION)/out/native
AUTOV8_DEPOT_TOOLS = build/depot_tools
AUTOV8_LIB = $(AUTOV8_OUT)/libv8_snapshot.a
AUTOV8_STATIC_LIBS = libv8_base.a libv8_nosnapshot.a libv8_libplatform.a libv8_libbase.a libv8_libsampler.a libicui18n.a libicuuc.a

export PATH := $(abspath $(AUTOV8_DEPOT_TOOLS)):$(PATH)

SHLIB_LINK += $(addprefix $(AUTOV8_OUT)/, $(AUTOV8_STATIC_LIBS))

all: $(AUTOV8_LIB)

# For some reason, this solves parallel make dependency.
plv8_config.h plv8.so: $(AUTOV8_LIB)

$(AUTOV8_DEPOT_TOOLS):
	mkdir -p build
	cd build; git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git

$(AUTOV8_DIR): $(AUTOV8_DEPOT_TOOLS)
	cd build; fetch v8; cd v8; git checkout $(AUTOV8_VERSION); gclient sync
	mv build/v8 $(AUTOV8_DIR)

$(AUTOV8_LIB): $(AUTOV8_DIR)
	env CXXFLAGS=-fPIC CFLAGS=-fPIC $(MAKE) -C build/v8-git-mirror-$(AUTOV8_VERSION) native
	test -f $(AUTOV8_OUT)/libv8_base.a || \
		ln -s $(abspath $(AUTOV8_OUT)/obj.target/src/libv8_base.a) \
			$(AUTOV8_OUT)/libv8_base.a
	test -f $(AUTOV8_OUT)/libv8_nosnapshot.a || \
		ln -s $(abspath $(AUTOV8_OUT)/obj.target/src/libv8_nosnapshot.a) \
			$(AUTOV8_OUT)/libv8_nosnapshot.a
	test -f $(AUTOV8_OUT)/libv8_libbase.a || \
		ln -s $(abspath $(AUTOV8_OUT)/obj.target/src/libv8_libbase.a) \
			$(AUTOV8_OUT)/libv8_libbase.a
	test -f $(AUTOV8_OUT)/libv8_libplatform.a || \
		ln -s $(abspath $(AUTOV8_OUT)/obj.target/src/libv8_libplatform.a) \
			$(AUTOV8_OUT)/libv8_libplatform.a
	test -f $(AUTOV8_OUT)/libv8_libsampler.a || \
		ln -s $(abspath $(AUTOV8_OUT)/obj.target/src/libv8_libsampler.a) \
			$(AUTOV8_OUT)/libv8_libsampler.a
	test -f $(AUTOV8_OUT)/libicui18n.a || \
		ln -s $(abspath $(AUTOV8_OUT)/obj.target/third_party/icu/libicui18n.a) \
			$(AUTOV8_OUT)/libicui18n.a
	test -f $(AUTOV8_OUT)/libicuuc.a || \
		ln -s $(abspath $(AUTOV8_OUT)/obj.target/third_party/icu/libicuuc.a) \
			$(AUTOV8_OUT)/libicuuc.a

include Makefile

CCFLAGS += -I$(AUTOV8_DIR)/include -I$(AUTOV8_DIR)
# We're gonna build static link.  Rip it out after include Makefile
SHLIB_LINK := $(filter-out -lv8, $(SHLIB_LINK))

ifeq ($(OS),Windows_NT)
	# noop for now
else
	SHLIB_LINK += -L$(AUTOV8_OUT)
	UNAME_S := $(shell uname -s)
	ifeq ($(UNAME_S),Darwin)
		CCFLAGS += -stdlib=libc++ -std=c++11
		SHLIB_LINK += -stdlib=libc++
	endif
	ifeq ($(UNAME_S),Linux)
		SHLIB_LINK += -lrt
	endif
endif