#ifndef _KVI_SETTINGS_H_
#define _KVI_SETTINGS_H_

//=============================================================================
//
//   File : kvi_settings.h
//   Creation date : Fri Mar 19 1999 05:21:13 CEST by Szymon Stefanek
//
//   This file is part of the KVIrc irc client distribution
//   Copyright (C) 1999-2010 Szymon Stefanek (pragma at kvirc dot net)
//
//   This program is FREE software. You can redistribute it and/or
//   modify it under the terms of the GNU General Public License
//   as published by the Free Software Foundation; either version 2
//   of the License, or (at your opinion) any later version.
//
//   This program is distributed in the HOPE that it will be USEFUL,
//   but WITHOUT ANY WARRANTY; without even the implied warranty of
//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
//   See the GNU General Public License for more details.
//
//   You should have received a copy of the GNU General Public License
//   along with this program. If not, write to the Free Software Foundation,
//   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
//=============================================================================

/**
* \file kvi_settings.h
* \author Szymon Stefanek
* \brief This file contains compile time settings
*
* They are either set by configure or non-customizable defaults
* Better to not touch this
*/

#include <QtGlobal>

// assume CMake build system for all systems
#include "kvi_sysconfig.h"

/**
 * \def KVILIB_API This prefix before a class name or function enables the export of its symbols outside kvilib; needed for win32/visual studio, win32/mingw, linux/gcc.
 * \def KVILIB_API_TYPEDEF This prefix before a typedef enables the export of its symbol outside kvilib; needed for win32/visual studio, win32/mingw
 */

/**
 * \def KVIRC_API This prefix before a class name or function enables the export of its symbols outside kvirc; needed for win32/visual studio, win32/mingw, linux/gcc.
 * \def KVIRC_API_TYPEDEF This prefix before a typedef enables the export of its symbol outside kvirc; needed for win32/visual studio, win32/mingw
 */
// note: MINGW is a cmake-set variable
#ifdef MINGW

	/**
	 * \def COMPILE_ON_MINGW This flag will enable specific code for windows/mingw (cross)compilation
	 */
	#define COMPILE_ON_MINGW

	#ifdef __KVILIB__
		#define KVILIB_API __declspec(dllexport) __attribute__((visibility("default")))
		#define KVILIB_API_TYPEDEF __declspec(dllexport)
	#else
		#define KVILIB_API __declspec(dllimport) __attribute__((visibility("default")))
		#define KVILIB_API_TYPEDEF __declspec(dllimport)
	#endif

	#ifdef __KVIRC__
		#define KVIRC_API __declspec(dllexport) __attribute__((visibility("default")))
		#define KVIRC_API_TYPEDEF __declspec(dllexport)
	#else
		#define KVIRC_API __declspec(dllimport) __attribute__((visibility("default")))
		#define KVIRC_API_TYPEDEF __declspec(dllimport)
	#endif
	
// note: unofficial cmake ports defines OS2
#elif defined(OS2)

	// os2 ports still uses mingw/gcc
	#define COMPILE_ON_MINGW

	// visibility attribute is not supported by gcc/os2
	#ifdef __KVILIB__
		#define KVILIB_API __declspec(dllexport)
		#define KVILIB_API_TYPEDEF __declspec(dllexport)
	#else
		#define KVILIB_API __declspec(dllimport)
		#define KVILIB_API_TYPEDEF __declspec(dllimport)
	#endif

	#ifdef __KVIRC__
		#define KVIRC_API __declspec(dllexport)
		#define KVIRC_API_TYPEDEF __declspec(dllexport)
	#else
		#define KVIRC_API __declspec(dllimport)
		#define KVIRC_API_TYPEDEF __declspec(dllimport)
	#endif

// note: cmake defines "WIN32" but we're not using it since it includes cygwin, too
// we use qt's Q_OS_WIN32 instead (and its variants)
#elif (defined(_OS_WIN32_) || defined(Q_OS_WIN32) || defined(Q_OS_WIN32_))

	/**
	 * \def COMPILE_ON_WINDOWS This flag will enable specific code for windows/visual studio compilation
	 */
	#define COMPILE_ON_WINDOWS

	#ifdef __KVILIB__
		#define KVILIB_API __declspec(dllexport)
		#define KVILIB_API_TYPEDEF __declspec(dllexport)
	#else
		#define KVILIB_API __declspec(dllimport)
		#define KVILIB_API_TYPEDEF __declspec(dllimport)
	#endif

	#ifdef __KVIRC__
		#define KVIRC_API __declspec(dllexport)
		#define KVIRC_API_TYPEDEF __declspec(dllexport)
	#else
		#define KVIRC_API __declspec(dllimport)
		#define KVIRC_API_TYPEDEF __declspec(dllimport)
	#endif

#else
	// we failback on unix/linux variants
	#define KVILIB_API __attribute__((visibility("default")))
	#define KVILIB_API_TYPEDEF
		
	#define KVIRC_API __attribute__((visibility("default")))
	#define KVIRC_API_TYPEDEF

	// note: cmake defines "APPLE" but we're not using it since it includes legacy mac os version (pre-X)
	// we use qt's Q_OS_MACX instead
	#ifdef Q_OS_MACX
		/**
		* \def COMPILE_ON_MAC This flag will enable specific code for mac compilation
		*/

		#define COMPILE_ON_MAC
	#endif

#endif


/**
* \def KVI_VERSION Defines the current kvirc version
* \def KVIRC_VERSION_BRANCH Defines the kvirc version of the current branch
* \def KVI_RELEASE_NAME Defines the codename for the current kvirc release
* \def _GNU_SOURCE Enables _GNU_SOURCE features
* \def KVI_PTR2MEMBER Cross-platform macro that returns a member from its pointer
* \def KVI_DEPRECATED Prefix for deprecated objects inside kvirc code (currently unused)
* \def BIG_ENDIAN_MACHINE_BYTE_ORDER If defined, the current target processor is big endian, little endian otherwise
*/

#define KVI_VERSION KVIRC_VERSION_RELEASE

#ifndef KVIRC_VERSION_BRANCH
	#define KVI_VERSION_BRANCH "VS_BRANCH"
#else
	#define KVI_VERSION_BRANCH KVIRC_VERSION_BRANCH
#endif

#define KVI_RELEASE_NAME KVIRC_VERSION_CODENAME

// We want _GNU_SOURCE features
#ifndef _GNU_SOURCE
	#define _GNU_SOURCE
#endif

#if defined(__GNUC__)
	// gcc
	#if __GNUC__ >= 3
		#define KVI_PTR2MEMBER(__x) &__x
	#else
		#define KVI_PTR2MEMBER(__x) &(__x)
	#endif
#elif defined(COMPILE_ON_WINDOWS)
	// Visual C++
	#define KVI_PTR2MEMBER(__x) &__x
#elif defined(__SUNPRO_CC)
	// Sun Forte
	#define KVI_PTR2MEMBER(__x) (__x)
#else
	// default
	#define KVI_PTR2MEMBER(__x) &(__x)
#endif

#define KVI_DEPRECATED

// Trust Qt about the current target processor endianness
#if Q_BYTE_ORDER == Q_BIG_ENDIAN
	#define BIG_ENDIAN_MACHINE_BYTE_ORDER
#else
	#ifdef BIG_ENDIAN_MACHINE_BYTE_ORDER
		#undef BIG_ENDIAN_MACHINE_BYTE_ORDER
	#endif
#endif

#endif //_KVI_SETTINGS_H_
