CC = clang
PREFIX ?= /usr/local
BINDIR ?= $(PREFIX)/bin
DATADIR ?= $(PREFIX)/share
DOCDIR ?= $(DATADIR)/doc/ecex
ECEX_DATADIR ?= $(DATADIR)/ecex
ECEX_INCLUDEDIR ?= $(PREFIX)/include/ecex

STATIC_LIB = include/libccdjit.a
SHARED_LIB = include/libccdjit.so

SRC = \
	src/main.c \
	src/app.c \
	src/completion.c \
	src/path.c \
	src/media.c \
	src/render.c \
	src/font.c \
	src/util.c \
	src/log.c \
	src/buffers.c \
	src/ecex.c \
	src/plugin.c \
	src/config.c \
	src/eval.c

TEST_SRC = \
	tests/test_main.c \
	tests/test_plugin.c \
	tests/test_buffers.c \
	tests/test_completion_path.c \
	src/buffers.c \
	src/completion.c \
	src/path.c \
	src/util.c \
	src/log.c \
	src/plugin.c

BIN = bin/ecex

PKG_CFLAGS = $(shell pkg-config --cflags glfw3 2>/dev/null)
PKG_LIBS   = $(shell pkg-config --libs glfw3 2>/dev/null || echo -lglfw)

CPPFLAGS ?= -Iinclude $(PKG_CFLAGS) -DECEX_SYSTEM_INCLUDE_DIR=\"$(ECEX_INCLUDEDIR)\"
CFLAGS ?= -std=c11 -Wall -Wextra -pedantic
LDLIBS = $(PKG_LIBS) -lGL -lm

.PHONY: all static shared clean run check sanitize debug release install uninstall

all: static

static: $(SRC) $(STATIC_LIB)
	@mkdir -p bin
	$(CC) $(CPPFLAGS) $(CFLAGS) $(SRC) $(STATIC_LIB) -o $(BIN) $(LDLIBS)

shared: $(SRC) $(SHARED_LIB)
	@mkdir -p bin
	$(CC) $(CPPFLAGS) $(CFLAGS) $(SRC) -Linclude -lccdjit -o $(BIN) $(LDLIBS)

run: static
	LD_LIBRARY_PATH=include ./$(BIN)

debug: CFLAGS += -O0 -g3 -DDEBUG
debug: static

release: CFLAGS += -O2 -DNDEBUG
release: static

sanitize: CFLAGS += -O1 -g -fsanitize=address,undefined -fno-omit-frame-pointer
sanitize: LDLIBS += -fsanitize=address,undefined
sanitize: SANITIZER_TEST_ENV = ASAN_OPTIONS=detect_leaks=0
sanitize: static check

check:
	@mkdir -p bin
	$(CC) $(CPPFLAGS) $(CFLAGS) $(TEST_SRC) -o bin/ecex-tests
	$(SANITIZER_TEST_ENV) ./bin/ecex-tests

install: static
	install -d "$(DESTDIR)$(BINDIR)"
	install -d "$(DESTDIR)$(ECEX_INCLUDEDIR)"
	install -d "$(DESTDIR)$(ECEX_DATADIR)/config"
	install -d "$(DESTDIR)$(DOCDIR)"
	install -m 755 "$(BIN)" "$(DESTDIR)$(BINDIR)/ecex"
	install -m 644 include/*.h "$(DESTDIR)$(ECEX_INCLUDEDIR)/"
	install -m 644 config/*.c "$(DESTDIR)$(ECEX_DATADIR)/config/"
	install -m 644 README.md LICENSE docs/*.md "$(DESTDIR)$(DOCDIR)/"

uninstall:
	rm -f "$(DESTDIR)$(BINDIR)/ecex"
	rm -rf "$(DESTDIR)$(ECEX_INCLUDEDIR)"
	rm -rf "$(DESTDIR)$(ECEX_DATADIR)"
	rm -rf "$(DESTDIR)$(DOCDIR)"

clean:
	rm -f $(BIN) bin/ecex-tests