external variables

[Stephen Nestinger <ssn17 yahoo com>]

In the GLIB source, it appears that all of the
exported variables are encapsulated in

  #ifndef VAR
  # ifdef G_PLATFORM_WIN32
  #   ifdef GLIB_COMPILATION
  #      ...
  # else
  #   VAR extern
  #endif

In the GTK souce, some of the variables (GTKMAIN_C_VAR
in gtkmain.h) are encapsulated with the same format
while others (GTKVAR in gtkdebug.h) look like

#ifdef G_OS_WIN32
#  ifdef GTK_COMPILATION
#    define GTKVAR __declspec(dllexport)
#  else
#    define GTKVAR extern __declspec(dllimport)
#  endif
#else
#  define GTKVAR extern
#endif

Is there a reason for the difference between
G_OS_WIN32 and G_PLATFORM_WIN32? If possible, could
all of the exported variable format declerations be
consistent and follow GLIBS format.
  
Stephen

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