CFLAGS += -std=c99 -Wall -O2 -D_REENTRANT
LIBS := -lm -luv

# Check OS
TARGET_OS := $(shell uname -s | tr 'A-Z' 'a-z' 2>/dev/null || echo unknown)
ifeq ($(TARGET_OS), linux)
	CFLAGS += -D_POSIX_C_SOUCE=200212L -D_BSD_SOURCE -D_DEFAULT_SOURCE
	LIBS += -ldl
	LDFLAGS += -Wl,-E
endif

SRC := main.c session.c logger.c mt19937-64.c dict.c zmalloc.c redisassert.c \
	siphash.c
BIN := sv
VER ?= $(shell git describe --tags --always --dirty)

# OBJ Dir
ODIR := obj
OBJ := $(patsubst %.c,$(ODIR)/%.o,$(SRC))
THIRD := third

## Dependencies

# llhttp
DEPS += $(THIRD)/llhttp/libllhttp.a
CFLAGS += -I$(THIRD)/llhttp
LDFLAGS += -L$(THIRD)/llhttp
LIBS += -l:libllhttp.a

all: $(BIN)

clean:
	$(RM) -rf $(BIN)
	$(RM) -rf $(OBJ)

$(BIN): $(OBJ)
	@echo LINK $(BIN)
	$(CC) $(LDFLAGS) -o $@ $^ $(LIBS)

$(OBJ): $(ODIR)

$(ODIR):
	mkdir -p $@

$(ODIR)/%.o: %.c
	@echo CC $<
	$(CC) $(CFLAGS) -c $< -o $@

.PHONY: all clean

.SUFFIXES:
.SUFFIXES: .c .o

vpath %c src
vpath %h src