kc3-lang/gnulib/m4/isatty.m4

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• Hash : 39065e3b
  Author :
  Date : 2012-01-03T13:52:36
  

  isatty: Support for MSVC 9.
  
  * doc/posix-functions/isatty.texi: Mention the MSVC problem.
  * lib/isatty.c: Include <errno.h>, msvc-inval.h.
  (_isatty_nothrow): New function.
  (isatty): Use it instead of _isatty.
  (IsConsoleHandle): Add comment, from Paolo Bonzini.
  * lib/poll.c (IsConsoleHandle): Likewise.
  * lib/select.c (IsConsoleHandle): Likewise.
  * m4/isatty.m4 (gl_FUNC_ISATTY): Fix comment. Reported by Eli Zaretskii.
  (gl_PREREQ_ISATTY): New macro.
  * modules/isatty (Depends-on): Add msvc-inval.
  (configure.ac): Invoke gl_PREREQ_ISATTY.
  

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• m4/isatty.m4

• # isatty.m4 serial 2
  dnl Copyright (C) 2012 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.
  
  AC_DEFUN([gl_FUNC_ISATTY],
  [
    AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
    AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
    dnl On native Windows, the system's isatty(), defined as an alias of _isatty()
    dnl in the "oldnames" library, returns true for the NUL device.
    case $host_os in
      mingw*) REPLACE_ISATTY=1 ;;
    esac
  ])
  
  # Prerequisites of lib/isatty.c.
  AC_DEFUN([gl_PREREQ_ISATTY], [
    AC_REQUIRE([AC_C_INLINE])
  ])
  

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