Extract compiler-specific macro definitions in a new wx/compiler.h.

[wxWidgets.git] / include / wx / compiler.h

diff --git a/include/wx/compiler.h b/include/wx/compiler.h
new file mode 100644 (file)
index 0000000..2517a90
--- /dev/null
+++ b/include/wx/compiler.h
@@ -0,0 +1,152 @@
+/*
+ * Name:        wx/compiler.h
+ * Purpose:     Compiler-specific macro definitions.
+ * Author:      Vadim Zeitlin
+ * Created:     2013-07-13 (extracted from wx/platform.h)
+ * Copyright:   (c) 1997-2013 Vadim Zeitlin <vadim@wxwidgets.org>
+ * Licence:     wxWindows licence
+ */
+
+/* THIS IS A C FILE, DON'T USE C++ FEATURES (IN PARTICULAR COMMENTS) IN IT */
+
+#ifndef _WX_COMPILER_H_
+#define _WX_COMPILER_H_
+
+/*
+    Compiler detection and related helpers.
+ */
+
+#ifdef __INTEL_COMPILER
+#   define __INTELC__
+#elif defined(_MSC_VER)
+    /*
+       define another standard symbol for Microsoft Visual C++: the standard
+       one (_MSC_VER) is also defined by some other compilers.
+     */
+#   define __VISUALC__ _MSC_VER
+
+    /*
+      define special symbols for different VC version instead of writing tests
+      for magic numbers such as 1200, 1300 &c repeatedly
+    */
+#if __VISUALC__ < 1100
+#   error "This Visual C++ version is too old and not supported any longer."
+#elif __VISUALC__ < 1200
+#   define __VISUALC5__
+#elif __VISUALC__ < 1300
+#   define __VISUALC6__
+#elif __VISUALC__ < 1400
+#   define __VISUALC7__
+#elif __VISUALC__ < 1500
+#   define __VISUALC8__
+#elif __VISUALC__ < 1600
+#   define __VISUALC9__
+#elif __VISUALC__ < 1700
+#   define __VISUALC10__
+#elif __VISUALC__ < 1800
+#   define __VISUALC11__
+#elif __VISUALC__ < 1900
+#   define __VISUALC12__
+#else
+#   pragma message("Please update wx/compiler.h to recognize this VC++ version")
+#endif
+
+#elif defined(__BCPLUSPLUS__) && !defined(__BORLANDC__)
+#   define __BORLANDC__
+#elif defined(__WATCOMC__)
+#elif defined(__SC__)
+#   define __SYMANTECC__
+#elif defined(__SUNPRO_CC)
+#   ifndef __SUNCC__
+#       define __SUNCC__ __SUNPRO_CC
+#   endif /* Sun CC */
+#elif defined(__SC__)
+#    ifdef __DMC__
+#         define __DIGITALMARS__
+#    else
+#         define __SYMANTEC__
+#    endif
+#endif  /* compiler */
+
+/*
+   Macros for checking compiler version.
+*/
+
+/*
+   This macro can be used to test the gcc version and can be used like this:
+
+#    if wxCHECK_GCC_VERSION(3, 1)
+        ... we have gcc 3.1 or later ...
+#    else
+        ... no gcc at all or gcc < 3.1 ...
+#    endif
+*/
+#if defined(__GNUC__) && defined(__GNUC_MINOR__)
+    #define wxCHECK_GCC_VERSION( major, minor ) \
+        ( ( __GNUC__ > (major) ) \
+            || ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) )
+#else
+    #define wxCHECK_GCC_VERSION( major, minor ) 0
+#endif
+
+/*
+   This macro can be used to test the Visual C++ version.
+*/
+#ifndef __VISUALC__
+#   define wxVISUALC_VERSION(major) 0
+#   define wxCHECK_VISUALC_VERSION(major) 0
+#else
+#   define wxVISUALC_VERSION(major) ( (6 + major) * 100 )
+#   define wxCHECK_VISUALC_VERSION(major) ( __VISUALC__ >= wxVISUALC_VERSION(major) )
+#endif
+
+/**
+    This is similar to wxCHECK_GCC_VERSION but for Sun CC compiler.
+ */
+#ifdef __SUNCC__
+    /*
+       __SUNCC__ is 0xVRP where V is major version, R release and P patch level
+     */
+    #define wxCHECK_SUNCC_VERSION(maj, min) (__SUNCC__ >= (((maj)<<8) | ((min)<<4)))
+#else
+    #define wxCHECK_SUNCC_VERSION(maj, min) (0)
+#endif
+
+#ifndef __WATCOMC__
+#   define wxWATCOM_VERSION(major,minor) 0
+#   define wxCHECK_WATCOM_VERSION(major,minor) 0
+#   define wxONLY_WATCOM_EARLIER_THAN(major,minor) 0
+#   define WX_WATCOM_ONLY_CODE( x )
+#else
+#   if __WATCOMC__ < 1200
+#       error "Only Open Watcom is supported in this release"
+#   endif
+
+#   define wxWATCOM_VERSION(major,minor) ( major * 100 + minor * 10 + 1100 )
+#   define wxCHECK_WATCOM_VERSION(major,minor) ( __WATCOMC__ >= wxWATCOM_VERSION(major,minor) )
+#   define wxONLY_WATCOM_EARLIER_THAN(major,minor) ( __WATCOMC__ < wxWATCOM_VERSION(major,minor) )
+#   define WX_WATCOM_ONLY_CODE( x )  x
+#endif
+
+/*
+   This macro can be used to check that the version of mingw32 compiler is
+   at least maj.min
+ */
+#if ( defined( __GNUWIN32__ ) || defined( __MINGW32__ ) || \
+    ( defined( __CYGWIN__ ) && defined( __WINDOWS__ ) ) || \
+      wxCHECK_WATCOM_VERSION(1,0) ) && \
+    !defined(__DOS__) && \
+    !defined(__WXPM__) && \
+    !defined(__WXMOTIF__) && \
+    !defined(__WXX11__)
+#    include "wx/msw/gccpriv.h"
+#else
+#    undef wxCHECK_W32API_VERSION
+#    define wxCHECK_W32API_VERSION(maj, min) (0)
+#    undef wxCHECK_MINGW32_VERSION
+#    define wxCHECK_MINGW32_VERSION(maj, min) (0)
+#endif
+
+
+#endif // _WX_COMPILER_H_
+