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m4/stdint_h.m4

 

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# stdint_h.m4 serial 5

 

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dnl Copyright (C) 1997-2004 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_STDINT_H_WITH_UINTMAX if <stdint.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_STDINT_H],

 

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[

 

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  AC_CACHE_CHECK([for stdint.h], gl_cv_header_stdint_h,

 

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  [AC_TRY_COMPILE(

 

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    [#include <sys/types.h>

 

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#include <stdint.h>],

 

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    [uintmax_t i = (uintmax_t) -1;],

 

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    gl_cv_header_stdint_h=yes,

 

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    gl_cv_header_stdint_h=no)])

 

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  if test $gl_cv_header_stdint_h = yes; then

 

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    AC_DEFINE_UNQUOTED(HAVE_STDINT_H_WITH_UINTMAX, 1,

 

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      [Define if <stdint.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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