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m4/read.m4

 

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# read.m4 serial 3

 

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dnl Copyright (C) 2011-2012 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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AC_DEFUN([gl_FUNC_READ],

 

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[

 

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  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])

 

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  AC_REQUIRE([gl_MSVC_INVAL])

 

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  if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then

 

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    REPLACE_READ=1

 

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  fi

 

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  dnl This ifdef is just an optimization, to avoid performing a configure

 

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  dnl check whose result is not used. It does not make the test of

 

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  dnl GNULIB_UNISTD_H_NONBLOCKING or GNULIB_NONBLOCKING redundant.

 

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  m4_ifdef([gl_NONBLOCKING_IO], [

 

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    gl_NONBLOCKING_IO

 

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    if test $gl_cv_have_nonblocking != yes; then

 

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      REPLACE_READ=1

 

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    fi

 

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  ])

 

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])

 

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# Prerequisites of lib/read.c.

 

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AC_DEFUN([gl_PREREQ_READ],

 

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[

 

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  AC_REQUIRE([AC_C_INLINE])

 

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])

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