84 lines
3.3 KiB
Diff
84 lines
3.3 KiB
Diff
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diff -uNr gtk-3.22.30/m4/size_max.m4 gtk-3.22.30.mod/m4/size_max.m4
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--- gtk-3.22.30/m4/size_max.m4 1970-01-01 03:00:00.000000000 +0300
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+++ gtk-3.22.30.mod/m4/size_max.m4 2018-06-22 20:55:46.577959588 +0300
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@@ -0,0 +1,79 @@
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+# size_max.m4 serial 10
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+dnl Copyright (C) 2003, 2005-2006, 2008-2015 Free Software Foundation, Inc.
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+dnl This file is free software; the Free Software Foundation
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+dnl gives unlimited permission to copy and/or distribute it,
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+dnl with or without modifications, as long as this notice is preserved.
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+
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+dnl From Bruno Haible.
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+
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+AC_DEFUN([gl_SIZE_MAX],
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+[
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+ AC_CHECK_HEADERS([stdint.h])
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+ dnl First test whether the system already has SIZE_MAX.
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+ AC_CACHE_CHECK([for SIZE_MAX], [gl_cv_size_max], [
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+ gl_cv_size_max=
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+ AC_EGREP_CPP([Found it], [
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+#include <limits.h>
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+#if HAVE_STDINT_H
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+#include <stdint.h>
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+#endif
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+#ifdef SIZE_MAX
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+Found it
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+#endif
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+], [gl_cv_size_max=yes])
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+ if test -z "$gl_cv_size_max"; then
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+ dnl Define it ourselves. Here we assume that the type 'size_t' is not wider
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+ dnl than the type 'unsigned long'. Try hard to find a definition that can
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+ dnl be used in a preprocessor #if, i.e. doesn't contain a cast.
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+ AC_COMPUTE_INT([size_t_bits_minus_1], [sizeof (size_t) * CHAR_BIT - 1],
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+ [#include <stddef.h>
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+#include <limits.h>], [size_t_bits_minus_1=])
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+ AC_COMPUTE_INT([fits_in_uint], [sizeof (size_t) <= sizeof (unsigned int)],
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+ [#include <stddef.h>], [fits_in_uint=])
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+ if test -n "$size_t_bits_minus_1" && test -n "$fits_in_uint"; then
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+ if test $fits_in_uint = 1; then
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+ dnl Even though SIZE_MAX fits in an unsigned int, it must be of type
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+ dnl 'unsigned long' if the type 'size_t' is the same as 'unsigned long'.
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+ AC_COMPILE_IFELSE(
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+ [AC_LANG_PROGRAM(
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+ [[#include <stddef.h>
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+ extern size_t foo;
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+ extern unsigned long foo;
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+ ]],
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+ [[]])],
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+ [fits_in_uint=0])
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+ fi
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+ dnl We cannot use 'expr' to simplify this expression, because 'expr'
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+ dnl works only with 'long' integers in the host environment, while we
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+ dnl might be cross-compiling from a 32-bit platform to a 64-bit platform.
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+ if test $fits_in_uint = 1; then
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+ gl_cv_size_max="(((1U << $size_t_bits_minus_1) - 1) * 2 + 1)"
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+ else
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+ gl_cv_size_max="(((1UL << $size_t_bits_minus_1) - 1) * 2 + 1)"
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+ fi
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+ else
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+ dnl Shouldn't happen, but who knows...
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+ gl_cv_size_max='((size_t)~(size_t)0)'
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+ fi
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+ fi
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+ ])
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+ if test "$gl_cv_size_max" != yes; then
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+ AC_DEFINE_UNQUOTED([SIZE_MAX], [$gl_cv_size_max],
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+ [Define as the maximum value of type 'size_t', if the system doesn't define it.])
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+ fi
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+ dnl Don't redefine SIZE_MAX in config.h if config.h is re-included after
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+ dnl <stdint.h>. Remember that the #undef in AH_VERBATIM gets replaced with
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+ dnl #define by AC_DEFINE_UNQUOTED.
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+ AH_VERBATIM([SIZE_MAX],
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+[/* Define as the maximum value of type 'size_t', if the system doesn't define
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+ it. */
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+#ifndef SIZE_MAX
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+# undef SIZE_MAX
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+#endif])
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+])
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+
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+dnl Autoconf >= 2.61 has AC_COMPUTE_INT built-in.
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+dnl Remove this when we can assume autoconf >= 2.61.
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+m4_ifdef([AC_COMPUTE_INT], [], [
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+ AC_DEFUN([AC_COMPUTE_INT], [_AC_COMPUTE_INT([$2],[$1],[$3],[$4])])
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+])
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