kc3-lang/gnulib/m4/wmemcmp.m4

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• Hash : eec12c00
  Author :
  Date : 2022-01-01T09:43:19
  

  maint: run 'make update-copyright'
  

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• m4/wmemcmp.m4

• # wmemcmp.m4 serial 5
  dnl Copyright (C) 2011-2022 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_WMEMCMP],
  [
    AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
    dnl We cannot use AC_CHECK_FUNCS here, because the MSVC 9 header files
    dnl provide this function as an inline function definition.
    AC_CACHE_CHECK([for wmemcmp], [gl_cv_func_wmemcmp],
      [AC_LINK_IFELSE(
         [AC_LANG_PROGRAM(
            [[#include <wchar.h>
            ]],
            [[return ! wmemcmp ((const wchar_t *) 0, (const wchar_t *) 0, 0);]])
         ],
         [gl_cv_func_wmemcmp=yes],
         [gl_cv_func_wmemcmp=no])
      ])
    if test $gl_cv_func_wmemcmp = no; then
      HAVE_WMEMCMP=0
    fi
  ])
  

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