File: wcpcpy.m4

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# wcpcpy.m4 serial 3
dnl Copyright (C) 2011 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_WCPCPY],
[
  AC_REQUIRE([gl_WCHAR_H_DEFAULTS])

  dnl Persuade glibc <wchar.h> to declare wcpcpy().
  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])

  AC_CHECK_FUNCS_ONCE([wcpcpy])
  if test $ac_cv_func_wcpcpy = no; then
    HAVE_WCPCPY=0
  fi
])