CC ?= cc
AR ?= ar
RANLIB ?= ranlib
INSTALL ?= install
PREFIX ?= /usr/local
BUILD ?= build
CFLAGS ?= -O2 -std=c99 -Wall -Wextra -Wpedantic
CPPFLAGS ?=
NETWORK_PROTOCOL ?= $(shell tr -d '\r\n' < NETWORK_PROTOCOL)
SODIUM_CFLAGS ?= $(shell pkg-config --cflags libsodium 2>/dev/null)
SODIUM_LIBS ?= $(shell pkg-config --libs libsodium 2>/dev/null || echo -lsodium)
TARGET_TRIPLE = $(shell $(CC) -dumpmachine 2>/dev/null)
ifeq ($(findstring mingw,$(TARGET_TRIPLE)),mingw)
PLATFORM_LIBS = -lws2_32
endif

CPPFLAGS += -Iinclude -include cess_compat.h -DCESSPOOL_HAVE_SODIUM -DCESSPOOL_NETWORK_PROTOCOL=\"$(NETWORK_PROTOCOL)\" $(SODIUM_CFLAGS)
OBJECTS = $(BUILD)/cess_net.o $(BUILD)/cesspool.o $(BUILD)/cess_identity.o

.PHONY: all clean install uninstall
all: $(BUILD)/libcess.a $(BUILD)/cesspool-bootstrap

$(BUILD):
	mkdir -p $@

$(BUILD)/%.o: src/%.c include/cesspool.h include/cess_net.h | $(BUILD)
	$(CC) $(CPPFLAGS) $(CFLAGS) -MMD -MP -c $< -o $@

$(BUILD)/libcess.a: $(OBJECTS)
	$(AR) rcs $@ $(OBJECTS)
	$(RANLIB) $@

$(BUILD)/cesspool-bootstrap: tools/cesspool-bootstrap.c $(BUILD)/libcess.a
	$(CC) $(CPPFLAGS) $(CFLAGS) $< $(BUILD)/libcess.a $(SODIUM_LIBS) $(PLATFORM_LIBS) -o $@

-include $(OBJECTS:.o=.d)

install: all
	$(INSTALL) -d "$(DESTDIR)$(PREFIX)/lib" "$(DESTDIR)$(PREFIX)/include/libcess" "$(DESTDIR)$(PREFIX)/bin" "$(DESTDIR)$(PREFIX)/share/man/man1"
	$(INSTALL) -m 644 $(BUILD)/libcess.a "$(DESTDIR)$(PREFIX)/lib/libcess.a"
	$(INSTALL) -m 644 include/cesspool.h include/cess_net.h include/cess_compat.h "$(DESTDIR)$(PREFIX)/include/libcess/"
	$(INSTALL) -m 755 $(BUILD)/cesspool-bootstrap "$(DESTDIR)$(PREFIX)/bin/cesspool-bootstrap"
	$(INSTALL) -m 644 docs/cesspool-bootstrap.1 "$(DESTDIR)$(PREFIX)/share/man/man1/cesspool-bootstrap.1"

uninstall:
	rm -f "$(DESTDIR)$(PREFIX)/lib/libcess.a" "$(DESTDIR)$(PREFIX)/bin/cesspool-bootstrap" "$(DESTDIR)$(PREFIX)/share/man/man1/cesspool-bootstrap.1" "$(DESTDIR)$(PREFIX)/include/libcess/cesspool.h" "$(DESTDIR)$(PREFIX)/include/libcess/cess_net.h" "$(DESTDIR)$(PREFIX)/include/libcess/cess_compat.h"

clean:
	rm -rf "$(BUILD)"