#
#
#

# hard paths to development versions of libraries
LIBEVENT_PATH ?= /usr
LIBEVENT_H_PATH ?= $(LIBEVENT_PATH)/include
LIBEVENT_CPPFLAGS = -I$(LIBEVENT_H_PATH)
LIBEVENT_LIB_PATH ?= $(LIBEVENT_PATH)/lib
LIBEVENT_LDFLAGS = -L$(LIBEVENT_LIB_PATH) -levent -levent_pthreads -levent_openssl

# another library
LIBUUID_PATH ?= /usr
LIBUUID_H_PATH ?= $(LIBUUID_PATH)/include
LIBUUID_CPPFLAGS = -I$(LIBUUID_H_PATH)
LIBUUID_LIB_PATH ?= $(LIBUUID_PATH)/lib
LIBUUID_LDFLAGS = -L$(LIBUUID_LIB_PATH) -lossp-uuid

# yet another
OPENSSL_PATH ?= /usr
OPENSSL_H_PATH ?= $(OPENSSL_PATH)/include
OPENSSL_CPPFLAGS = 
OPENSSL_LIB_PATH ?= $(OPENSSL_PATH)/lib
OPENSSL_LDFLAGS = -lssl -lcrypto

# barking moon lib
LUA_PATH ?= /usr
LUA_H_PATH ?= $(LUA_PATH)/include/lua5.4
LUA_CPPFLAGS = -I$(LUA_H_PATH)
LUA_LIB_PATH ?= $(LUA_PATH)/lib
LUA_LDFLAGS = -L$(LUA_LIB_PATH) -llua5.4

# backing store
SQLITE_PATH ?= /usr
SQLITE_H_PATH ?= $(SQLITE_PATH)/include
SQLITE_CPPFLAGS = -I$(SQLITE_H_PATH)
SQLITE_LIB_PATH ?= $(SQLITE_PATH)/lib
SQLITE_LDFLAGS = -L$(SQLITE_LIB_PATH) -lsqlite3

# so many libraries, it's like playing with Lego bricks

SOURCES = command.c common.c connections.c db.c lua_interface.c main.c notify.c server.c workqueue.c
OBJECTS = $(SOURCES:.c=.o)
TARGET = lemu

# In order to use the OSSP uuid library on the darwin platform,
# _POSIX_SOURCE needs to be defined so that the platform doesn't
# attempt to provide its own uuid_t type.
CPPFLAGS += -D_POSIX_C_SOURCE=200112L
# Linux needs additional specifications when _POSIX_C_SOURCE is
# defined.
CPPFLAGS += -D_XOPEN_SOURCE=700

CPPFLAGS += -D_REENTRANT

CFLAGS += -DDEBUG_SILLY

CFLAGS += -g -Wall -Wextra -Werror
CPPFLAGS += $(LIBEVENT_CPPFLAGS) $(LIBUUID_CPPFLAGS) $(OPENSSL_CPPFLAGS) $(LUA_CPPFLAGS) $(SQLITE_CPPFLAGS)
LDFLAGS += $(LIBEVENT_LDFLAGS) $(LIBUUID_LDFLAGS) $(OPENSSL_LDFLAGS) $(LUA_LDFLAGS) $(SQLITE_LDFLAGS)

ifeq ($(shell uname), Linux)
# Linux needs librt to see some clock and pthread functions.
LDFLAGS += -lrt
# Linux needs -pthread for pthread_mutexattr_init
LDFLAGS += -pthread
CFLAGS += -pthread
endif

MAKEDEPEND = $(CC) $(CPPFLAGS) -MM

.PHONY:	all clean

all:	$(TARGET) Makefile.depend

version.h:	
	./version.sh 0 0 prototype

Makefile.depend:	$(SOURCES) version.h
	$(MAKEDEPEND) $^ > $@

$(TARGET):	$(OBJECTS)
	$(CC) -o $@ $^ $(LDFLAGS)

clean:	
	rm -f $(TARGET) *.o Makefile.depend

-include Makefile.depend