# chext: rename file extensions project

# General variables

CFLAGS=-O3 -Wall -Wextra -std=c11

INCLUDE_PATH := -Isrc
INCLUDE_PATH += -Isrc/libchext


# Projects

all: tools doc runtest

tools: cli libchext test


# Command line tool: chext

CLI_HEADERS=$(wildcard src/cli/*.h)
CLI_SOURCES=$(wildcard src/cli/*.c) # src/cli/args.c src/cli/main.c
CLI_OBJECTS=$(CLI_SOURCES:src/%.c=build/%.o) # build/cli/args.o build/cli/main.o

cli: bin/chext

bin/chext: $(CLI_OBJECTS) $(CLI_HEADERS) lib/chext.a | bin
	gcc    $(CFLAGS) -o $@ $(CLI_OBJECTS) lib/chext.a


# Library: chext.a

LIB_HEADERS=$(wildcard src/libchext/*.h)
LIB_SOURCES=$(wildcard src/libchext/*.c)
LIB_OBJECTS=$(LIB_SOURCES:src/%.c=build/%.o)

.PHONY: libchext
libchext: lib/chext.a

lib/chext.a: $(LIB_OBJECTS) | lib
	ar rs $@ $^


# Unit testing

TEST_HEADERS=$(wildcard src/test/*.h)
TEST_SOURCES=$(wildcard src/test/*.c)
TEST_OBJECTS=$(TEST_SOURCES:src/%.c=build/%.o)

runtest: test
	bin/test

test: bin/test

bin/test: $(TEST_OBJECTS) $(TEST_HEADERS) lib/chext.a | bin
	gcc    $(CFLAGS) -o $@ $(TEST_OBJECTS) lib/chext.a


# Compile a C source file

build/%.o: src/%.c | build
	gcc -c $(CFLAGS) $(INCLUDE_PATH) -o $@ $<


# Directories

build:
	mkdir -p $@ $@/cli $@/libchext $@/test

bin:
	mkdir -p $@

lib:
	mkdir -p $@


# Documentation

.PHONY: doc
doc: Doxyfile
	doxygen Doxyfile


# Misc

.PHONY: zip
zip:
	rm -f chext.zip
	zip -r9 chext.zip Doxyfile Makefile src

.PHONY: clean
clean:
	rm -rf build bin doc lib html latex