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dnl Check for OpenCL
dnl Copyright (c) the LinBox group
dnl This file is part of LinBox
dnl ========LICENCE========
dnl This file is part of the library LinBox.
dnl
dnl LinBox is free software: you can redistribute it and/or modify
dnl it under the terms of the GNU Lesser General Public
dnl License as published by the Free Software Foundation; either
dnl version 2.1 of the License, or (at your option) any later version.
dnl
dnl This library is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
dnl Lesser General Public License for more details.
dnl
dnl You should have received a copy of the GNU Lesser General Public
dnl License along with this library; if not, write to the Free Software
dnl Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
dnl ========LICENCE========
dnl
dnl LB_CHECK_OCL([MINIMUM-VERSION [, ACTION_IF_FOUND [, ACTION-IF-NOT-FOUND]]])
dnl
dnl Test for an OpenCL
AC_DEFUN([LB_CHECK_OCL],[
AC_MSG_CHECKING(for OpenCL)
AC_ARG_WITH(ocl,
[
AC_HELP_STRING([--with-ocl=<path>|yes|no],
[Use OpenCL. This library is optional for LinBox compilation.
If argument is yes or <empty> that means the library is reachable
with the standard search path "/usr" or "/usr/local" (set as default).
Otherwise you give the <path> to the directory which contains the library.])],
[if test "$withval" = yes; then
OCL_HOME_PATH="/opt/AMDAPP ${DEFAULT_CHECKING_PATH}"
elif test "$withval" != no; then
OCL_HOME_PATH="$withval /opt/AMDAPP ${DEFAULT_CHECKING_PATH}"
fi],
[OCL_HOME_PATH=""
])
BACKUP_CXXFLAGS=${CXXFLAGS}
BACKUP_LIBS=${LIBS}
dnl if test -n "$OCL_HOME_PATH"; then
dnl AC_MSG_CHECKING(for OpenCL >= 1.0)
dnl fi
for OCL_HOME in ${OCL_HOME_PATH}
do
if test -r "$OCL_HOME/include/CL/cl.h"; then
if test "x$OCL_HOME" != "x/usr" -a "x$OCL_HOME" != "x/usr/local"; then
OCL_CFLAGS="-I${OCL_HOME}/include"
if test "x$OCL_HOME" != "x/opt/AMDAPP"; then
OCL_LIBS="-L${OCL_HOME}/lib64 -L${OCL_HOME}/lib -lOpenCL -lpthread"
else
OCL_LIBS="-L${OCL_HOME}/lib/x86_64 -L${OCL_HOME}/lib/x86 -lOpenCL -lpthread"
fi
else
OCL_CFLAGS=
OCL_LIBS="-lOpenCL -lpthread"
fi
CXXFLAGS="${CXXFLAGS} ${OCL_CFLAGS}"
LIBS="${LIBS} ${OCL_LIBS}"
ocl_found="yes"
break
else
ocl_found="no"
fi
done
AS_IF([ test "x$ocl_found" = "xyes" ],
[
AC_SUBST(OCL_CFLAGS)
AC_SUBST(OCL_LIBS)
AC_DEFINE(HAVE_OCL,1,[Define if OpenCL is installed])
HAVE_OCL=yes
AC_MSG_RESULT(found)
],[
unset OCL_CFLAGS
unset OCL_LIBS
AC_MSG_RESULT(not found)
])
AM_CONDITIONAL(LINBOX_HAVE_OCL, test "x$HAVE_OCL" = "xyes")
CXXFLAGS=${BACKUP_CXXFLAGS}
LIBS=${BACKUP_LIBS}
])
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