More VS2015 fixes

[simgear.git] / simgear / compiler.h

diff --git a/simgear/compiler.h b/simgear/compiler.h
index 372f571d9d7dd1fa5e0fb4a15d87bf2d2fef8cee..f6bdc37c38fae51e1fc71e8a38436123122b8156 100644 (file)
--- a/simgear/compiler.h
+++ b/simgear/compiler.h
@@ -43,9 +43,12 @@
 #  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__
 
@@ -60,9 +63,14 @@
 #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
@@ -74,7 +82,7 @@
 
 #    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?
@@ -181,9 +189,20 @@ inline int (isnan)(double r) { return !(r <= 0 || r >= 0); }
 #  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
-