CC = gcc
CFLAGS = -I. -Wall -Wextra -O0 -g3
LFLAGS = -lssl -lcrypto

CFILES = $(shell find src -name "*.c")
HFILES = $(shell find src -name "*.h")

# Detect OS and set executable extension
ifeq ($(OS),Windows_NT)
    EXT = .exe
else
    EXT = .out
endif

EXAMPLES_CLIENT_SRC := $(shell ls examples/client/*.c 2>/dev/null)
EXAMPLES_SERVER_SRC := $(shell ls examples/server/*.c 2>/dev/null)
EXAMPLES_ENGINE_SRC := $(shell ls examples/engine/*.c 2>/dev/null)

EXAMPLES_CLIENT := $(patsubst %.c,%$(EXT),$(EXAMPLES_CLIENT_SRC))
EXAMPLES_SERVER := $(patsubst %.c,%$(EXT),$(EXAMPLES_SERVER_SRC))
EXAMPLES_ENGINE := $(patsubst %.c,%$(EXT),$(EXAMPLES_ENGINE_SRC))

all: chttp.c chttp.h examples

chttp.c chttp.h: $(HFILES) $(CFILES)
	python misc/amalg.py

examples: $(EXAMPLES_CLIENT) $(EXAMPLES_SERVER) $(EXAMPLES_ENGINE)

examples/client/%$(EXT): examples/client/%.c chttp.c chttp.h
	$(CC) $(CFLAGS) $< chttp.c -o $@ $(LFLAGS)

examples/server/%$(EXT): examples/server/%.c chttp.c chttp.h
	$(CC) $(CFLAGS) $< chttp.c -o $@ $(LFLAGS)

examples/engine/%$(EXT): examples/engine/%.c chttp.c chttp.h
	$(CC) $(CFLAGS) $< chttp.c -o $@ $(LFLAGS)

clean:
	rm -f client_example server_example
	rm -f examples/client/*$(EXT) examples/server/*$(EXT) examples/engine/*$(EXT)