X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Fcompiler.h;h=372f571d9d7dd1fa5e0fb4a15d87bf2d2fef8cee;hb=04a47dfb8d96a58352b16658eb12d4aed90a97e8;hp=da0020cc77b34dbdb5f6e3180cf7afe51c861a1d;hpb=426f6de16f525a7e603338a091ab191c132e3ba0;p=simgear.git

diff --git a/simgear/compiler.h b/simgear/compiler.h
index da0020cc..372f571d 100644
--- a/simgear/compiler.h
+++ b/simgear/compiler.h
@@ -63,7 +63,14 @@
 #  if _MSC_VER >= 1200  // msvc++ 6.0 or greater
 #    define isnan _isnan
 #    define snprintf _snprintf
+#    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
@@ -102,6 +109,7 @@
 
 
 #if defined (__sun)
+#  define SG_UNIX
 #  include <strings.h>
 #  include <memory.h>
 #  if defined ( __cplusplus )
@@ -131,11 +139,47 @@
 //
 
 #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); }
+#    else
+    // any C++ header file undefines isinf and isnan
+    // so this should be included before <iostream>
+    // the functions are STILL in libm (libSystem on mac os x)
+extern "C" int (isnan)(double);
+extern "C" int (isinf)(double);
+#    endif
+#  else
 inline int (isnan)(double r) { return !(r <= 0 || r >= 0); }
-#else
+#  endif
+#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
+#endif
+
+#if defined (__CYGWIN__)
+#  define SG_WINDOWS
+#  define SG_UNIX
+#  include <ieeefp.h>		// isnan
 #endif
 
+// 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
 
 //
 // No user modifiable definitions beyond here.