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