PROJECT(eurephia C)
cmake_minimum_required(VERSION 2.6)

OPTION(DEBUG "Add more verbose debug information" OFF)
OPTION(SHOW_SECRETS "Show passwords as clear text in logs." OFF)
OPTION(SQLITE3 "Build database driver for SQLite3" OFF)
SET(OPNVPN_SRC "" CACHE STRING "Path to OpenVPN source code")

IF(SQLITE3)
        message(STATUS "Will build database interface for SQLite")
        SET(subdirs ${subdirs} database/sqlite)
        SET(DATABASE ON)
ENDIF(SQLITE3)

IF(NOT DATABASE)
	message(FATAL_ERROR "Cannot build eurephia without any database drivers.")
ENDIF(NOT DATABASE)

IF(DEBUG)
        message(STATUS "DEBUG enabled - might be a security issue")
	ADD_DEFINITIONS(-DENABLE_DEBUG)
	IF(SHOW_SECRETS)
                message(STATUS "SHOW_SECRETS ENABLED -- THIS WILL LOG PASSWORDS IN CLEAR TEXT")
		ADD_DEFINITIONS(-DSHOW_SECRETS)
	ENDIF(SHOW_SECRETS)
ENDIF(DEBUG)

IF(NOT OPENVPN_SRC)
	message(FATAL_ERROR "Missing path to OpenVPN source - try running ./configure again")
ENDIF(NOT OPENVPN_SRC)
INCLUDE_DIRECTORIES(BEFORE ${OPENVPN_SRC} .)

SET(CHECK_INCL_FILE "${OPENVPN_SRC}/openvpn-plugin.h")
IF(NOT EXISTS ${CHECK_INCL_FILE})
	message(FATAL_ERROR "Missing openvpn-plugin.h ... Is the OpenVPN source code really located here? ${OPENVPN_SRC}")
ENDIF(NOT EXISTS ${CHECK_INCL_FILE})

INCLUDE(CheckIncludeFile)
CHECK_INCLUDE_FILE(dlfcn.h HAVE_DLFCN_H)
INCLUDE(CheckLibraryExists)
CHECK_LIBRARY_EXISTS(dl dlopen "" HAVE_DLOPEN)
CHECK_LIBRARY_EXISTS(dl dlclose "" HAVE_DLCLOSE)
IF(NOT HAVE_DLOPEN OR NOT HAVE_DLCLOSE)
	message(FATAL_ERROR "Missing proper dl library")
ENDIF(NOT HAVE_DLOPEN OR NOT HAVE_DLCLOSE)

CHECK_INCLUDE_FILE(openssl/rand.h HAVE_OPENSSL_RAND_H)
CHECK_LIBRARY_EXISTS(crypto RAND_load_file "" HAVE_OPENSSL_RAND_LOAD_FILE)
CHECK_LIBRARY_EXISTS(crypto RAND_pseudo_bytes "" HAVE_OPENSSL_RAND_PSEUDO_BYTES)
IF(NOT HAVE_OPENSSL_RAND_H OR NOT HAVE_OPENSSL_RAND_LOAD_FILE OR NOT HAVE_OPENSSL_RAND_PSEUDO_BYTES)
	message(FATAL_ERROR "Missing OpenSSL crypto support")
ENDIF(NOT HAVE_OPENSSL_RAND_H OR NOT HAVE_OPENSSL_RAND_LOAD_FILE OR NOT HAVE_OPENSSL_RAND_PSEUDO_BYTES)

CHECK_INCLUDE_FILE(pthread.h HAVE_PTHREAD_H)
CHECK_LIBRARY_EXISTS(pthread pthread_mutex_lock "" HAVE_PTHREAD_MUTEX_LOCK)
CHECK_LIBRARY_EXISTS(pthread pthread_mutex_unlock "" HAVE_PTHREAD_MUTEX_UNLOCK)
IF(NOT HAVE_PTHREAD_MUTEX_LOCK OR NOT HAVE_PTHREAD_MUTEX_UNLOCK)
	message(FATAL_ERROR "Missing proper pthread_mutex support")
ENDIF(NOT HAVE_PTHREAD_MUTEX_LOCK OR NOT HAVE_PTHREAD_MUTEX_UNLOCK)

ADD_DEFINITIONS(-g -Wall)

SUBDIRS(${subdirs} plugin)