# Makefile for bmake
.OBJDIR: ./build
.PHONY: default clean check run debug debug-tests install format

default: dged

build:
	mkdir -p build

SOURCES = src/binding.c src/buffer.c src/command.c src/display.c \
	src/keyboard.c src/minibuffer.c src/text.c \
	src/utf8.c src/buffers.c src/window.c src/allocator.c src/undo.c \
	src/settings.c src/lang.c

DGED_SOURCES = $(SOURCES) src/main.c
TEST_SOURCES = test/assert.c test/buffer.c test/text.c test/utf8.c test/main.c \
	test/command.c test/keyboard.c test/fake-reactor.c test/allocator.c \
	test/minibuffer.c test/undo.c test/settings.c

prefix ?= "/usr"

.SUFFIXES:
.SUFFIXES: .c .o .d

UNAME_S != uname -s | tr '[:upper:]' '[:lower:]'

CFLAGS = -Werror -g -std=c99 -I $(.CURDIR)/src

DEPS = $(DGED_SOURCES:.c=.d) $(TEST_SOURCES:.c=.d)

OBJS = $(SOURCES:.c=.o)
TEST_OBJS = $(TEST_SOURCES:.c=.o)

FILES = $(DEPS) $(DGED_SOURCES:.c=.o) dged libdged.a $(TEST_OBJS)

.sinclude "$(UNAME_S).mk"

# dependency generation
.c.d:
	@mkdir -p $(@D)
	$(CC) -MM $(CFLAGS) -MT $*.o $< > $@
	@sed -i 's,\($*\)\.o[ :]*,\1.o $@ : ,g' $@

.c.o:
	@mkdir -p $(@D)
	$(CC) $(CFLAGS) -c $< -o $@

dged: src/main.o libdged.a
	$(CC) $(LDFLAGS) src/main.o libdged.a -o dged

libdged.a: $(OBJS) $(PLATFORM_OBJS)
	$(AR) -rc libdged.a $(OBJS) $(PLATFORM_OBJS)

run-tests: $(TEST_OBJS) $(OBJS)
	$(CC) $(LDFLAGS) $(TEST_OBJS) $(OBJS) -o run-tests

check: run-tests
	clang-format --dry-run --Werror $(DGED_SOURCES:%.c=../%.c) $(TEST_SOURCES:%c=../%c)
	./run-tests

run: dged
	./dged

debug: dged
	gdb ./dged

debug-tests: run-tests
	gdb ./run-tests

format:
	clang-format -i $(DGED_SOURCES) $(TEST_SOURCES)

clean:
	rm -f $(FILES)
	rm -rf $(.CURDIR)/docs

install: dged
	install -d $(prefix)/bin
	install -m 755 $(.OBJDIR)/dged $(prefix)/bin/dged

	install -d $(prefix)/share/man/man1
	install -m 644 dged.1 $(prefix)/share/man/man1/dged.1

docs:
	doxygen $(.CURDIR)/Doxyfile

# in this case we need a separate depend target
depend: $(DEPS)
	@:

.if !(make(clean))
.  for o in ${DEPS}
.    sinclude "$o"
.  endfor
.endif