# if __GNUC__ < 3
# error Time to upgrade. GNU compilers < 3.0 not supported
# elif (__GNUC__ == 3) && (__GNUC_MINOR__ < 4)
-# warning GCC compilers prior to 3.4 are suspect
+# warning GCC compilers prior to 3.4 are suspect
# endif
+# define SG_GCC_VERSION (__GNUC__ * 10000 \
+ + __GNUC_MINOR__ * 100 \
+ + __GNUC_PATCHLEVEL__)
# define SG_COMPILER_STR "GNU C++ version " SG_STRINGIZE(__GNUC__) "." SG_STRINGIZE(__GNUC_MINOR__)
#endif // __GNUC__
#ifdef _MSC_VER
# define bcopy(from, to, n) memcpy(to, from, n)
-# if _MSC_VER >= 1200 // msvc++ 6.0 or greater
-# define isnan _isnan
-# define snprintf _snprintf
+# if _MSC_VER >= 1200 // msvc++ 6.0 up to MSVC2013
+# if _MSC_VER < 1900
+# define snprintf _snprintf
+# define strdup _strdup
+# endif
+# if _MSC_VER < 1800
+# define isnan _isnan
+# endif
+# if _MSC_VER < 1500
+# define vsnprintf _vsnprintf
+# endif
# define copysign _copysign
+# define strcasecmp stricmp
+
+# undef min
+# undef max
# pragma warning(disable: 4786) // identifier was truncated to '255' characters
# pragma warning(disable: 4244) // conversion from double to float
-# pragma warning(disable: 4305) //
+# pragma warning(disable: 4305) // truncation from larer type to smaller
# else
# error What version of MSVC++ is this?
#if defined (__sun)
+# define SG_UNIX
# include <strings.h>
# include <memory.h>
# if defined ( __cplusplus )
//
#ifdef __APPLE__
+# define SG_MAC
+# define SG_UNIX
# ifdef __GNUC__
# if ( __GNUC__ > 3 ) || ( __GNUC__ == 3 && __GNUC_MINOR__ >= 3 )
inline int (isnan)(double r) { return !(r <= 0 || r >= 0); }
#endif
#if defined (__FreeBSD__)
+# define SG_UNIX
+#include <sys/param.h>
# if __FreeBSD_version < 500000
extern "C" {
inline int isnan(double r) { return !(r <= 0 || r >= 0); }
#endif
#if defined (__CYGWIN__)
+# define SG_WINDOWS
+# define SG_UNIX
# include <ieeefp.h> // isnan
#endif
-#if defined(__MINGW32__)
-# define isnan(x) _isnan(x)
+// includes both MSVC and mingw compilers
+#if defined(_WIN32) || defined(__WIN32__)
+# define SG_WINDOWS
+#endif
+
+#if defined(__linux__) || defined(_AIX) || defined ( sgi )
+# define SG_UNIX
#endif
+#if defined( __GNUC__ )
+# define DEPRECATED __attribute__ ((deprecated))
+#else
+# define DEPRECATED
+#endif
+
+#if defined(__clang__)
+# define SG_NO_RETURN [[noreturn]]
+#else
+# define SG_NO_RETURN
+#endif
//
// No user modifiable definitions beyond here.
//
#endif // _SG_COMPILER_H
-