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      1 dnl
      2 dnl Copyright (c) Linux Test Project, 2014
      3 dnl
      4 dnl This program is free software;  you can redistribute it and/or modify
      5 dnl it under the terms of the GNU General Public License as published by
      6 dnl the Free Software Foundation; either version 2 of the License, or
      7 dnl (at your option) any later version.
      8 dnl
      9 dnl This program is distributed in the hope that it will be useful,
     10 dnl but WITHOUT ANY WARRANTY;  without even the implied warranty of
     11 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
     12 dnl the GNU General Public License for more details.
     13 dnl
     14 dnl You should have received a copy of the GNU General Public License
     15 dnl along with this program;  if not, write to the Free Software
     16 dnl Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
     17 dnl
     18 
     19 dnl
     20 dnl LTP_CHECK_EXP10
     21 dnl ---------------
     22 dnl
     23 AC_DEFUN([LTP_CHECK_EXP10],[
     24 AH_TEMPLATE(HAVE_EXP10,
     25 [Define to 1 if you have 'exp10' function.])
     26 AC_MSG_CHECKING([for exp10])
     27 backup_ldlibs="$LIBS"
     28 LIBS+=" -lm"
     29 AC_TRY_LINK([#define _GNU_SOURCE
     30              #include <math.h>],
     31             [
     32              volatile float val;
     33              exp10(val);
     34             ],
     35              AC_DEFINE(HAVE_EXP10) AC_MSG_RESULT(yes), AC_MSG_RESULT(no))
     36 LIBS="$backup_ldlibs"
     37 ])
     38