30 lines
993 B
Text
30 lines
993 B
Text
dnl
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dnl Copyright (c) Linux Test Project, 2016
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dnl
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dnl This program is free software; you can redistribute it and/or modify
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dnl it under the terms of the GNU General Public License as published by
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dnl the Free Software Foundation; either version 2 of the License, or
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dnl (at your option) any later version.
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dnl
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dnl This program is distributed in the hope that it will be useful,
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dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
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dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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dnl the GNU General Public License for more details.
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dnl
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AC_DEFUN([LTP_CHECK_BUILTIN_CLEAR_CACHE],[dnl
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AC_MSG_CHECKING([for __builtin___clear_cache])
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AC_LINK_IFELSE([AC_LANG_SOURCE([[
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int main(void) {
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char arr[16];
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__builtin___clear_cache(arr, arr + sizeof(arr));
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return 0;
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}]])],[has_bcc="yes"])
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if test "x$has_bcc" = xyes; then
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AC_DEFINE(HAVE_BUILTIN_CLEAR_CACHE,1,[Define to 1 if you have __builtin___clear_cache])
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AC_MSG_RESULT(yes)
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else
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AC_MSG_RESULT(no)
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fi
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])
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