kc3-lang/gnulib/m4/nonblocking.m4

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• Hash : cefb3e21
  Author :
  Date : 2023-08-17T15:04:43
  

  Recognize the *-*-windows* config triplets introduced on 2023-06-26.
  
  * m4/*.m4: Treat windows* as equivalent to mingw*.
  * modules/*: Likewise.
  

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• m4/nonblocking.m4

• # nonblocking.m4 serial 4
  dnl Copyright (C) 2011-2023 Free Software Foundation, Inc.
  dnl This file is free software; the Free Software Foundation
  dnl gives unlimited permission to copy and/or distribute it,
  dnl with or without modifications, as long as this notice is preserved.
  
  dnl Tests whether non-blocking I/O is natively supported by read(), write().
  dnl Sets gl_cv_have_nonblocking.
  dnl Also tests whether open() supports O_NONBLOCK.
  dnl Sets gl_cv_have_open_O_NONBLOCK.
  AC_DEFUN([gl_NONBLOCKING_IO],
  [
    dnl Ensure to expand the default settings once only, before all statements
    dnl that occur in other macros.
    AC_REQUIRE([gl_NONBLOCKING_IO_BODY])
  ])
  
  AC_DEFUN([gl_NONBLOCKING_IO_BODY],
  [
    AC_REQUIRE([AC_CANONICAL_HOST])
    case "$host_os" in
      mingw* | windows*) gl_cv_have_nonblocking=no ;;
      *)                 gl_cv_have_nonblocking=yes ;;
    esac
    case "$host_os" in
      mingw* | windows*) gl_cv_have_open_O_NONBLOCK=no ;;
      *)                 gl_cv_have_open_O_NONBLOCK=yes ;;
    esac
  ])
  

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