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diff --git a/lib/win32/glib-2.20.4/glib/gmacros.h b/lib/win32/glib-2.20.4/glib/gmacros.h
deleted file mode 100644
index b3ff7ee3a4..0000000000
--- a/lib/win32/glib-2.20.4/glib/gmacros.h
+++ /dev/null
@@ -1,277 +0,0 @@
-/* GLIB - Library of useful routines for C programming
- * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-/*
- * Modified by the GLib Team and others 1997-2000. See the AUTHORS
- * file for a list of people on the GLib Team. See the ChangeLog
- * files for a list of changes. These files are distributed with
- * GLib at ftp://ftp.gtk.org/pub/gtk/.
- */
-
-/* This file must not include any other glib header file and must thus
- * not refer to variables from glibconfig.h
- */
-
-#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
-#error "Only <glib.h> can be included directly."
-#endif
-
-#ifndef __G_MACROS_H__
-#define __G_MACROS_H__
-
-/* We include stddef.h to get the system's definition of NULL
- */
-#include <stddef.h>
-
-/* Here we provide G_GNUC_EXTENSION as an alias for __extension__,
- * where this is valid. This allows for warningless compilation of
- * "long long" types even in the presence of '-ansi -pedantic'.
- */
-#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 8)
-# define G_GNUC_EXTENSION __extension__
-#else
-# define G_GNUC_EXTENSION
-#endif
-
-/* Provide macros to feature the GCC function attribute.
- */
-#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
-#define G_GNUC_PURE \
- __attribute__((__pure__))
-#define G_GNUC_MALLOC \
- __attribute__((__malloc__))
-#else
-#define G_GNUC_PURE
-#define G_GNUC_MALLOC
-#endif
-
-#if __GNUC__ >= 4
-#define G_GNUC_NULL_TERMINATED __attribute__((__sentinel__))
-#else
-#define G_GNUC_NULL_TERMINATED
-#endif
-
-#if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)
-#define G_GNUC_ALLOC_SIZE(x) __attribute__((__alloc_size__(x)))
-#define G_GNUC_ALLOC_SIZE2(x,y) __attribute__((__alloc_size__(x,y)))
-#else
-#define G_GNUC_ALLOC_SIZE(x)
-#define G_GNUC_ALLOC_SIZE2(x,y)
-#endif
-
-#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4)
-#define G_GNUC_PRINTF( format_idx, arg_idx ) \
- __attribute__((__format__ (__printf__, format_idx, arg_idx)))
-#define G_GNUC_SCANF( format_idx, arg_idx ) \
- __attribute__((__format__ (__scanf__, format_idx, arg_idx)))
-#define G_GNUC_FORMAT( arg_idx ) \
- __attribute__((__format_arg__ (arg_idx)))
-#define G_GNUC_NORETURN \
- __attribute__((__noreturn__))
-#define G_GNUC_CONST \
- __attribute__((__const__))
-#define G_GNUC_UNUSED \
- __attribute__((__unused__))
-#define G_GNUC_NO_INSTRUMENT \
- __attribute__((__no_instrument_function__))
-#else /* !__GNUC__ */
-#define G_GNUC_PRINTF( format_idx, arg_idx )
-#define G_GNUC_SCANF( format_idx, arg_idx )
-#define G_GNUC_FORMAT( arg_idx )
-#define G_GNUC_NORETURN
-#define G_GNUC_CONST
-#define G_GNUC_UNUSED
-#define G_GNUC_NO_INSTRUMENT
-#endif /* !__GNUC__ */
-
-#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1)
-#define G_GNUC_DEPRECATED \
- __attribute__((__deprecated__))
-#else
-#define G_GNUC_DEPRECATED
-#endif /* __GNUC__ */
-
-#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3)
-# define G_GNUC_MAY_ALIAS __attribute__((may_alias))
-#else
-# define G_GNUC_MAY_ALIAS
-#endif
-
-#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
-#define G_GNUC_WARN_UNUSED_RESULT \
- __attribute__((warn_unused_result))
-#else
-#define G_GNUC_WARN_UNUSED_RESULT
-#endif /* __GNUC__ */
-
-#ifndef G_DISABLE_DEPRECATED
-/* Wrap the gcc __PRETTY_FUNCTION__ and __FUNCTION__ variables with
- * macros, so we can refer to them as strings unconditionally.
- * usage not-recommended since gcc-3.0
- */
-#if defined (__GNUC__) && (__GNUC__ < 3)
-#define G_GNUC_FUNCTION __FUNCTION__
-#define G_GNUC_PRETTY_FUNCTION __PRETTY_FUNCTION__
-#else /* !__GNUC__ */
-#define G_GNUC_FUNCTION ""
-#define G_GNUC_PRETTY_FUNCTION ""
-#endif /* !__GNUC__ */
-#endif /* !G_DISABLE_DEPRECATED */
-
-#define G_STRINGIFY(macro_or_string) G_STRINGIFY_ARG (macro_or_string)
-#define G_STRINGIFY_ARG(contents) #contents
-
-#define G_PASTE_ARGS(identifier1,identifier2) identifier1 ## identifier2
-#define G_PASTE(identifier1,identifier2) G_PASTE_ARGS (identifier1, identifier2)
-#define G_STATIC_ASSERT(expr) typedef struct { char Compile_Time_Assertion[(expr) ? 1 : -1]; } G_PASTE (_GStaticAssert_, __LINE__)
-
-/* Provide a string identifying the current code position */
-#if defined(__GNUC__) && (__GNUC__ < 3) && !defined(__cplusplus)
-# define G_STRLOC __FILE__ ":" G_STRINGIFY (__LINE__) ":" __PRETTY_FUNCTION__ "()"
-#else
-# define G_STRLOC __FILE__ ":" G_STRINGIFY (__LINE__)
-#endif
-
-/* Provide a string identifying the current function, non-concatenatable */
-#if defined (__GNUC__)
-# define G_STRFUNC ((const char*) (__PRETTY_FUNCTION__))
-#elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 19901L
-# define G_STRFUNC ((const char*) (__func__))
-#else
-# define G_STRFUNC ((const char*) ("???"))
-#endif
-
-/* Guard C code in headers, while including them from C++ */
-#ifdef __cplusplus
-# define G_BEGIN_DECLS extern "C" {
-# define G_END_DECLS }
-#else
-# define G_BEGIN_DECLS
-# define G_END_DECLS
-#endif
-
-/* Provide definitions for some commonly used macros.
- * Some of them are only provided if they haven't already
- * been defined. It is assumed that if they are already
- * defined then the current definition is correct.
- */
-#ifndef NULL
-# ifdef __cplusplus
-# define NULL (0L)
-# else /* !__cplusplus */
-# define NULL ((void*) 0)
-# endif /* !__cplusplus */
-#endif
-
-#ifndef FALSE
-#define FALSE (0)
-#endif
-
-#ifndef TRUE
-#define TRUE (!FALSE)
-#endif
-
-#undef MAX
-#define MAX(a, b) (((a) > (b)) ? (a) : (b))
-
-#undef MIN
-#define MIN(a, b) (((a) < (b)) ? (a) : (b))
-
-#undef ABS
-#define ABS(a) (((a) < 0) ? -(a) : (a))
-
-#undef CLAMP
-#define CLAMP(x, low, high) (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x)))
-
-/* Count the number of elements in an array. The array must be defined
- * as such; using this with a dynamically allocated array will give
- * incorrect results.
- */
-#define G_N_ELEMENTS(arr) (sizeof (arr) / sizeof ((arr)[0]))
-
-/* Macros by analogy to GINT_TO_POINTER, GPOINTER_TO_INT
- */
-#define GPOINTER_TO_SIZE(p) ((gsize) (p))
-#define GSIZE_TO_POINTER(s) ((gpointer) (gsize) (s))
-
-/* Provide convenience macros for handling structure
- * fields through their offsets.
- */
-
-#if defined(__GNUC__) && __GNUC__ >= 4
-# define G_STRUCT_OFFSET(struct_type, member) \
- ((glong) offsetof (struct_type, member))
-#else
-# define G_STRUCT_OFFSET(struct_type, member) \
- ((glong) ((guint8*) &((struct_type*) 0)->member))
-#endif
-
-#define G_STRUCT_MEMBER_P(struct_p, struct_offset) \
- ((gpointer) ((guint8*) (struct_p) + (glong) (struct_offset)))
-#define G_STRUCT_MEMBER(member_type, struct_p, struct_offset) \
- (*(member_type*) G_STRUCT_MEMBER_P ((struct_p), (struct_offset)))
-
-/* Provide simple macro statement wrappers:
- * G_STMT_START { statements; } G_STMT_END;
- * This can be used as a single statement, like:
- * if (x) G_STMT_START { ... } G_STMT_END; else ...
- * This intentionally does not use compiler extensions like GCC's '({...})' to
- * avoid portability issue or side effects when compiled with different compilers.
- */
-#if !(defined (G_STMT_START) && defined (G_STMT_END))
-# define G_STMT_START do
-# define G_STMT_END while (0)
-#endif
-
-/* Allow the app programmer to select whether or not return values
- * (usually char*) are const or not. Don't try using this feature for
- * functions with C++ linkage.
- */
-#ifdef G_DISABLE_CONST_RETURNS
-#define G_CONST_RETURN
-#else
-#define G_CONST_RETURN const
-#endif
-
-/*
- * The G_LIKELY and G_UNLIKELY macros let the programmer give hints to
- * the compiler about the expected result of an expression. Some compilers
- * can use this information for optimizations.
- *
- * The _G_BOOLEAN_EXPR macro is intended to trigger a gcc warning when
- * putting assignments in g_return_if_fail ().
- */
-#if defined(__GNUC__) && (__GNUC__ > 2) && defined(__OPTIMIZE__)
-#define _G_BOOLEAN_EXPR(expr) \
- __extension__ ({ \
- int _g_boolean_var_; \
- if (expr) \
- _g_boolean_var_ = 1; \
- else \
- _g_boolean_var_ = 0; \
- _g_boolean_var_; \
-})
-#define G_LIKELY(expr) (__builtin_expect (_G_BOOLEAN_EXPR(expr), 1))
-#define G_UNLIKELY(expr) (__builtin_expect (_G_BOOLEAN_EXPR(expr), 0))
-#else
-#define G_LIKELY(expr) (expr)
-#define G_UNLIKELY(expr) (expr)
-#endif
-
-#endif /* __G_MACROS_H__ */