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m4/inttypes_h.m4

 

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# inttypes_h.m4 serial 7

 

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dnl Copyright (C) 1997-2004, 2006 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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dnl From Paul Eggert.

 

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# Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists,

 

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# doesn't clash with <sys/types.h>, and declares uintmax_t.

 

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AC_DEFUN([gl_AC_HEADER_INTTYPES_H],

 

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[

 

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  AC_CACHE_CHECK([for inttypes.h], gl_cv_header_inttypes_h,

 

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  [AC_TRY_COMPILE(

 

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    [#include <sys/types.h>

 

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#include <inttypes.h>],

 

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    [uintmax_t i = (uintmax_t) -1; return !i;],

 

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    gl_cv_header_inttypes_h=yes,

 

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    gl_cv_header_inttypes_h=no)])

 

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  if test $gl_cv_header_inttypes_h = yes; then

 

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    AC_DEFINE_UNQUOTED(HAVE_INTTYPES_H_WITH_UINTMAX, 1,

 

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      [Define if <inttypes.h> exists, doesn't clash with <sys/types.h>,

 

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       and declares uintmax_t. ])

 

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  fi

 

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])

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