29 lines
951 B
Text
29 lines
951 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_SYNC_ADD_AND_FETCH],[dnl
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AC_MSG_CHECKING([for __sync_add_and_fetch])
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AC_LINK_IFELSE([AC_LANG_SOURCE([
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int main(void) {
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int i = 0;
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return __sync_add_and_fetch(&i, 1);
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}])],[has_saac="yes"])
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if test "x$has_saac" = xyes; then
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AC_DEFINE(HAVE_SYNC_ADD_AND_FETCH,1,[Define to 1 if you have __sync_add_and_fetch])
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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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