// Support out-of-source builds: if DGTD_CONFIG_FILE is defined, include it.
//
// Otherwise, use the local file: _config.hpp.

#ifndef DGTD_CONFIG_HPP
#define DGTD_CONFIG_HPP

#ifdef DGTD_CONFIG_FILE
#include DGTD_CONFIG_FILE
#else
#include "_config.hpp"
#endif

// Common configuration macros

#if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 7)) || defined(__clang__)
#define DGTD_HAVE_GCC_PRAGMA_DIAGNOSTIC
#endif

// Windows specific options
#ifdef _WIN32
// Macro needed to get defines like M_PI from <cmath>. (Visual Studio C++ only?)
#define _USE_MATH_DEFINES
#endif
// On Cygwin the option -std=c++11 prevents the definition of M_PI. Defining
// the following macro allows us to get M_PI and some needed functions, e.g.
// posix_memalign(), strdup(), strerror_r().
#ifdef __CYGWIN__
#define _XOPEN_SOURCE 600
#endif

#endif // DGTD_CONFIG_HPP