#-----------------------------------------------------------------------------#
#
# Makefile for v8 static link
#
# 'make' 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 = 6.4.388.40
AUTOV8_DIR = build/v8
AUTOV8_OUT = build/v8/out.gn/x64.release/obj
AUTOV8_DEPOT_TOOLS = build/depot_tools
AUTOV8_LIB = $(AUTOV8_OUT)/libv8_snapshot.a
AUTOV8_STATIC_LIBS = -lv8_base -lv8_snapshot -lv8_libplatform -lv8_libbase -lv8_libsampler
export PATH := $(abspath $(AUTOV8_DEPOT_TOOLS)):$(PATH)

SHLIB_LINK += -L$(AUTOV8_OUT) -L$(AUTOV8_OUT)/third_party/icu $(AUTOV8_STATIC_LIBS)
V8_OPTIONS = is_component_build=false v8_static_library=true v8_use_snapshot=true v8_use_external_startup_data=false

ifndef USE_ICU
	V8_OPTIONS += v8_enable_i18n_support=false
endif

all: v8

# For some reason, this solves parallel make dependency.
plv8_config.h plv8.so: v8

$(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 ; tools/dev/v8gen.py $(PLATFORM) -- $(V8_OPTIONS)

$(AUTOV8_OUT)/third_party/icu/common/icudtb.dat:

$(AUTOV8_OUT)/third_party/icu/common/icudtl.dat:

v8: $(AUTOV8_DIR)
	cd $(AUTOV8_DIR) ; env CXXFLAGS=-fPIC CFLAGS=-fPIC ninja -C out.gn/$(PLATFORM) d8

include Makefile.shared

ifdef EXECUTION_TIMEOUT
	CCFLAGS += -DEXECUTION_TIMEOUT
endif

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++
		PLATFORM = x64.release
	endif
	ifeq ($(UNAME_S),Linux)
		ifeq ($(shell uname -m | grep -o arm),arm)
			PLATFORM = arm64.release
		endif
		ifeq ($(shell uname -m),x86_64)
			PLATFORM = x64.release
		endif
		CCFLAGS += -std=c++11
		SHLIB_LINK += -lrt -std=c++11 -lc++
	endif
endif