dynare/m4/ax_slicot.m4

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dnl Detect the SLICOT Library.
dnl Called with an argument of either 'matlab' or 'octave', depending
dnl on the configure script from which we're calling it
dnl
dnl AX_SLICOT([matlab])
dnl AX_SLICOT([octave])
dnl
dnl Copyright (C) 2012 Dynare Team
dnl
dnl This file is part of Dynare.
dnl
dnl Dynare is free software: you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation, either version 3 of the License, or
dnl (at your option) any later version.
dnl
dnl Dynare 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
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with Dynare. If not, see <http://www.gnu.org/licenses/>.
AC_DEFUN([AX_SLICOT],
[
if test "x$1" != "xmatlab" && test "x$1" != "xoctave"; then
AC_MSG_ERROR([Argument to autoconf slicot macro must be either 'matlab' or 'octave'])
fi
AC_ARG_WITH(slicot, AC_HELP_STRING([--with-slicot=DIR], [prefix to SLICOT installation]),
slicot_prefix="$withval", slicot_prefix="")
has_slicot=yes
if test "x$slicot_prefix" != "x"; then
LDFLAGS_SLICOT="-L$withval/lib"
else
LDFLAGS_SLICOT=""
fi
ac_save_LDFLAGS="$LDFLAGS"
LDFLAGS_SAVED="$LDFLAGS"
AC_F77_FUNC(sb02od)
if test "x$1" = "xmatlab"; then
LDFLAGS="$MATLAB_LDFLAGS_NOMAP $LDFLAGS_SLICOT"
case ${MATLAB_ARCH} in
glnxa64 | win64 | maci64)
AX_COMPARE_VERSION([$MATLAB_VERSION], [ge], [7.8], [use_64_bit_indexing=yes], [use_64_bit_indexing=no])
;;
*)
use_64_bit_indexing=no
;;
esac
if test "$use_64_bit_indexing" = "yes"; then
AC_CHECK_LIB([slicot64_pic], [$sb02od], [LIBADD_SLICOT="-lslicot64_pic"], [has_slicot=no], [$MATLAB_LIBS])
else
AC_CHECK_LIB([slicot_pic], [$sb02od], [LIBADD_SLICOT="-lslicot_pic"], [has_slicot=no], [$MATLAB_LIBS])
fi
else
LDFLAGS="$LDFLAGS `$MKOCTFILE -p LFLAGS` $LDFLAGS_SLICOT"
# Fallback on libslicot_pic if dynamic libslicot not found
AC_CHECK_LIB([slicot], [$sb02od], [LIBADD_SLICOT="-lslicot"],
[
AC_CHECK_LIB([slicot_pic], [$sb02od], [LIBADD_SLICOT="-lslicot_pic"], [has_slicot=no], [`$MKOCTFILE -p BLAS_LIBS` `$MKOCTFILE -p LAPACK_LIBS`])
],
[`$MKOCTFILE -p BLAS_LIBS` `$MKOCTFILE -p LAPACK_LIBS`])
fi
LDFLAGS="$ac_save_LDFLAGS"
AC_SUBST(LDFLAGS_SLICOT)
AC_SUBST(LIBADD_SLICOT)
])