# TEXLIVE_SRC must be a precompiled TEXLIVE build with dynamic libraries
TEXLIVE_SRC = $(HOME)/texlive-source
LUAMETATEX_SRC = $(HOME)/luametatex
# We expect to find a precompiled static library compiled with -fpic here
LUA_DIR = $(LUAMETATEX_SRC)/source/luacore/lua54/src
# HarfBuzz also should be compiled static, position independent in a build_meson subdirectory
HARFBUZZ_DIR = $(TEXLIVE_SRC)/Work/libs/harfbuzz
# Graphite also should be compiled static, position independent in a build subdirectory
GRAPHITE_DIR = $(TEXLIVE_SRC)/Work/libs/graphite2

HB_INCLUDE_DIRS = $(HARFBUZZ_DIR)/include
TL_INCLUDE_DIRS = $(TEXLIVE_SRC)/Work/texk $(TEXLIVE_SRC)/texk
LUA_INCLUDE_DIRS = $(LUA_DIR)
LINK.o = $(CXX) $(LDFLAGS) $(TARGET_ARCH)
LINK.so = $(LINK.o) -shared

LUAHARFBUZZ_SRCS = $(wildcard luaharfbuzz/src/luaharfbuzz/*.c)
LUAHARFBUZZ_OBJS = $(patsubst %.c,%.o,$(LUAHARFBUZZ_SRCS))


override CFLAGS += -fpic -DHAVE_DECL_ISASCII=1 $(patsubst %,-I%,$(INCLUDE_DIRS))
override LDFLAGS += -static-libgcc -static-libstdc++ -Wl,--gc-sections
# For Linux
override LDFLAGS += -Wl,linkscript.ld -Wl,--gc-sections
SO_EXT = so
# For Windows instead:
# override LDFLAGS += -Wl,-version-script=versionscript -Wl,--gc-sections
# SO_EXT = dll
# For MacOS instead:
# override LDFLAGS += -Wl,-exported_symbols_list,symbols_list,-alias_list,alias_list -lc++abi
# SO_EXT = dylib

luaharfbuzz/src/luaharfbuzz/%.o: INCLUDE_DIRS = $(HB_INCLUDE_DIRS) $(LUA_INCLUDE_DIRS)
luametalatex-kpse/lkpselib.o: INCLUDE_DIRS = $(TL_INCLUDE_DIRS) $(LUA_INCLUDE_DIRS)

# luametalatex.$(SO_EXT): luametalatex-kpse/lkpselib.o $(TEXLIVE_SRC)/Work/texk/kpathsea/.libs/libkpathsea.a # $(LUA_DIR)/liblua.a
luametalatex.$(SO_EXT): luametalatex-kpse/lkpselib.o $(LUAHARFBUZZ_OBJS) $(TEXLIVE_SRC)/Work/texk/kpathsea/.libs/libkpathsea.a $(HARFBUZZ_DIR)/libharfbuzz.a $(GRAPHITE_DIR)/libgraphite2.a # $(LUA_DIR)/liblua.a
# luametalatex.$(SO_EXT): luametalatex-kpse/lkpselib.o $(LUAHARFBUZZ_OBJS) $(TEXLIVE_SRC)/Work/texk/kpathsea/.libs/libkpathsea.a $(HARFBUZZ_DIR)/libharfbuzz.a $(GRAPHITE_DIR)/libgraphite2.a ../luametatex/build/mingw-64/libluametatex.dll.a # $(LUA_DIR)/liblua.a

%.$(SO_EXT):
	$(LINK.so) $^ $(LOADLIBES) $(LDLIBS) -o $@

.PHONY: clean
clean:
	rm $(LUAHARFBUZZ_OBJS) luametalatex-kpse/lkpselib.o luametalatex.$(SO_EXT)

# lkpselib.o: lkpselib.c