kc3-lang/gnulib/m4/unlocked-io.m4

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• Hash : 32a72f45
  Author :
  Date : 2023-01-01T01:14:21
  

  maint: run 'make update-copyright'
  

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• m4/unlocked-io.m4

• # unlocked-io.m4 serial 16
  
  # Copyright (C) 1998-2006, 2009-2023 Free Software Foundation, Inc.
  #
  # This file is free software; the Free Software Foundation
  # gives unlimited permission to copy and/or distribute it,
  # with or without modifications, as long as this notice is preserved.
  
  dnl From Jim Meyering.
  dnl
  dnl See if the glibc *_unlocked I/O macros or functions are available.
  dnl Use only those *_unlocked macros or functions that are declared
  dnl (because some of them were declared in Solaris 2.5.1 but were removed
  dnl in Solaris 2.6, whereas we want binaries built on Solaris 2.5.1 to run
  dnl on Solaris 2.6).
  
  AC_DEFUN([gl_FUNC_GLIBC_UNLOCKED_IO],
  [
    dnl Persuade glibc and Solaris <stdio.h> to declare
    dnl fgets_unlocked(), fputs_unlocked() etc.
    AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
  
    AC_CHECK_DECLS_ONCE([clearerr_unlocked])
    AC_CHECK_DECLS_ONCE([feof_unlocked])
    AC_CHECK_DECLS_ONCE([ferror_unlocked])
    AC_CHECK_DECLS_ONCE([fflush_unlocked])
    AC_CHECK_DECLS_ONCE([fgets_unlocked])
    AC_CHECK_DECLS_ONCE([fputc_unlocked])
    AC_CHECK_DECLS_ONCE([fputs_unlocked])
    AC_CHECK_DECLS_ONCE([fread_unlocked])
    AC_CHECK_DECLS_ONCE([fwrite_unlocked])
    AC_CHECK_DECLS_ONCE([getc_unlocked])
    AC_CHECK_DECLS_ONCE([getchar_unlocked])
    AC_CHECK_DECLS_ONCE([putc_unlocked])
    AC_CHECK_DECLS_ONCE([putchar_unlocked])
  ])
  

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