CC ?= gcc
DESTDIR ?= /usr/local
LD ?= gcc
C_COMMON_FLAGS ?= -fPIC -Wall -W -Wno-unused-parameter -Wno-pointer-sign -I./include -I./uthash -I./src
MAJOR_VERSION = 0
MINOR_VERSION = 2
PATCH_VERSION = 9
VERSION = "$(MAJOR_VERSION).$(MINOR_VERSION).$(PATCH_VERSION)"
SONAME = libucl.so
SONAME_FULL = $(SONAME).$(MAJOR_VERSION)
OBJDIR ?= .obj
TESTDIR ?= tests
SRCDIR ?= src
INCLUDEDIR ?= include
MKDIR ?= mkdir
INSTALL ?= install
RM ?= rm
RMDIR ?= rmdir
LN ?= ln
LD_SHARED_FLAGS ?= -Wl,-soname,$(SONAME) -shared -lm
LD_UCL_FLAGS ?= -L$(OBJDIR) -Wl,-rpath,$(OBJDIR) -lucl
LD_ADD ?= -lrt
COPT_FLAGS ?= -O2
HDEPS = $(SRCDIR)/ucl_hash.h \
		$(SRCDIR)/ucl_chartable.h \
		$(SRCDIR)/ucl_internal.h \
		$(INCLUDEDIR)/ucl.h \
		$(SRCDIR)/xxhash.h
OBJECTS = $(OBJDIR)/ucl_hash.o \
		$(OBJDIR)/ucl_util.o \
		$(OBJDIR)/ucl_parser.o \
		$(OBJDIR)/ucl_emitter.o \
		$(OBJDIR)/ucl_schema.o \
		$(OBJDIR)/xxhash.o

all: $(OBJDIR) $(OBJDIR)/$(SONAME)

$(OBJDIR)/$(SONAME): $(OBJDIR)/$(SONAME_FULL)
	$(LN) -sf $(SONAME_FULL) $(OBJDIR)/$(SONAME)

$(OBJDIR)/$(SONAME_FULL): $(OBJECTS)
	$(CC) -o $(OBJDIR)/$(SONAME_FULL) $(OBJECTS) $(LD_SHARED_FLAGS) $(LDFLAGS) $(SSL_LIBS) $(FETCH_LIBS)

$(OBJDIR):
	@$(MKDIR) -p $(OBJDIR)

# Compile rules
$(OBJDIR)/ucl_util.o: $(SRCDIR)/ucl_util.c $(HDEPS)
	$(CC) -o $(OBJDIR)/ucl_util.o $(CPPFLAGS) $(COPT_FLAGS) $(CFLAGS) $(C_COMMON_FLAGS) $(SSL_CFLAGS) $(FETCH_FLAGS) -c $(SRCDIR)/ucl_util.c
$(OBJDIR)/ucl_parser.o: $(SRCDIR)/ucl_parser.c $(HDEPS)
	$(CC) -o $(OBJDIR)/ucl_parser.o $(CPPFLAGS) $(COPT_FLAGS) $(CFLAGS) $(C_COMMON_FLAGS) $(SSL_CFLAGS) $(FETCH_FLAGS) -c $(SRCDIR)/ucl_parser.c
$(OBJDIR)/ucl_emitter.o: $(SRCDIR)/ucl_emitter.c $(HDEPS)
	$(CC) -o $(OBJDIR)/ucl_emitter.o $(CPPFLAGS) $(COPT_FLAGS) $(CFLAGS) $(C_COMMON_FLAGS) $(SSL_CFLAGS) $(FETCH_FLAGS) -c $(SRCDIR)/ucl_emitter.c
$(OBJDIR)/ucl_hash.o: $(SRCDIR)/ucl_hash.c $(HDEPS)
	$(CC) -o $(OBJDIR)/ucl_hash.o $(CPPFLAGS) $(COPT_FLAGS) $(CFLAGS) $(C_COMMON_FLAGS) $(SSL_CFLAGS) $(FETCH_FLAGS) -c $(SRCDIR)/ucl_hash.c
$(OBJDIR)/ucl_schema.o: $(SRCDIR)/ucl_schema.c $(HDEPS)
	$(CC) -o $(OBJDIR)/ucl_schema.o $(CPPFLAGS) $(COPT_FLAGS) $(CFLAGS) $(C_COMMON_FLAGS) $(SSL_CFLAGS) $(FETCH_FLAGS) -c $(SRCDIR)/ucl_schema.c
$(OBJDIR)/xxhash.o: $(SRCDIR)/xxhash.c $(HDEPS)
	$(CC) -o $(OBJDIR)/xxhash.o $(CPPFLAGS) $(COPT_FLAGS) $(CFLAGS) $(C_COMMON_FLAGS) $(SSL_CFLAGS) $(FETCH_FLAGS) -c $(SRCDIR)/xxhash.c

clean:
	$(RM) $(OBJDIR)/*.o $(OBJDIR)/$(SONAME_FULL) $(OBJDIR)/$(SONAME) $(OBJDIR)/chargen $(OBJDIR)/test_basic $(OBJDIR)/test_speed $(OBJDIR)/objdump $(OBJDIR)/test_generate $(OBJDIR)/test_schema || true
	$(RMDIR) $(OBJDIR)
	
# Utils

chargen: utils/chargen.c $(OBJDIR)/$(SONAME)
	$(CC) -o $(OBJDIR)/chargen $(CPPFLAGS) $(COPT_FLAGS) $(CFLAGS) $(C_COMMON_FLAGS) $(SSL_CFLAGS) $(FETCH_FLAGS) $(LDFLAGS) utils/chargen.c
objdump: utils/objdump.c $(OBJDIR)/$(SONAME)
	$(CC) -o $(OBJDIR)/objdump $(CPPFLAGS) $(COPT_FLAGS) $(CFLAGS) $(C_COMMON_FLAGS) $(SSL_CFLAGS) $(FETCH_FLAGS) $(LDFLAGS) utils/objdump.c $(LD_UCL_FLAGS)

# Tests

test: $(OBJDIR) $(OBJDIR)/$(SONAME) $(OBJDIR)/test_basic $(OBJDIR)/test_speed $(OBJDIR)/test_generate $(OBJDIR)/test_schema

run-test: test
	TEST_DIR=$(TESTDIR) $(TESTDIR)/run_tests.sh $(OBJDIR)/test_basic $(OBJDIR)/test_speed $(OBJDIR)/test_generate $(OBJDIR)/test_schema
	
$(OBJDIR)/test_basic: $(TESTDIR)/test_basic.c $(OBJDIR)/$(SONAME)
	$(CC) -o $(OBJDIR)/test_basic $(CPPFLAGS) $(COPT_FLAGS) $(CFLAGS) $(C_COMMON_FLAGS) $(SSL_CFLAGS) $(FETCH_FLAGS) $(LDFLAGS) $(TESTDIR)/test_basic.c $(LD_UCL_FLAGS)
$(OBJDIR)/test_schema: $(TESTDIR)/test_schema.c $(OBJDIR)/$(SONAME)
	$(CC) -o $(OBJDIR)/test_schema $(CPPFLAGS) $(COPT_FLAGS) $(CFLAGS) $(C_COMMON_FLAGS) $(SSL_CFLAGS) $(FETCH_FLAGS) $(LDFLAGS) $(TESTDIR)/test_schema.c $(LD_UCL_FLAGS)
$(OBJDIR)/test_speed: $(TESTDIR)/test_speed.c $(OBJDIR)/$(SONAME)
	$(CC) -o $(OBJDIR)/test_speed $(CPPFLAGS) $(COPT_FLAGS) $(CFLAGS) $(C_COMMON_FLAGS) $(SSL_CFLAGS) $(FETCH_FLAGS) $(LDFLAGS) $(TESTDIR)/test_speed.c $(LD_UCL_FLAGS) $(LD_ADD)
$(OBJDIR)/test_generate: $(TESTDIR)/test_generate.c $(OBJDIR)/$(SONAME)
	$(CC) -o $(OBJDIR)/test_generate $(CPPFLAGS) $(COPT_FLAGS) $(CFLAGS) $(C_COMMON_FLAGS) $(SSL_CFLAGS) $(FETCH_FLAGS) $(LDFLAGS) $(TESTDIR)/test_generate.c $(LD_UCL_FLAGS) $(LD_ADD)

install: $(OBJDIR)/$(SONAME)
	$(INSTALL) -m0755 $(SONAME) $(DESTDIR)/lib/$(SONAME)
	$(INSTALL) -m0644 include/ucl.h $(DESTDIR)/include/ucl.h

.PHONY: clean $(OBJDIR)