## Copyright (C) 2013 Marco Vassallo <gedeone-octave@users.sourceforge.net>
## Copyright (C) 2014 Eugenio Gianniti <eugenio.gianniti@mail.polimi.it>
##
## This program is free software; you can redistribute it and/or modify it under
## the terms of the GNU General Public License as published by the Free Software
## Foundation; either version 3 of the License, or (at your option) any later
## version.
##
## This program is distributed in the hope that it will be useful, but WITHOUT
## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
## FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
## details.
##
## You should have received a copy of the GNU General Public License along with
## this program; if not, see <http://www.gnu.org/licenses/>.

AC_PREREQ([2.67])
AC_INIT([Fem-fenics Package], [0.0.1])

AC_USE_SYSTEM_EXTENSIONS

AC_PROG_CXX
AC_LANG(C++)

PKG_PROG_PKG_CONFIG

# Get Dense include locations
AC_ARG_WITH([eigen-includedir],
  [AS_HELP_STRING([--with-eigen-includedir=DIR],
    [location of the Eigen headers, defaults to /usr/include/])],
  [DENSE_CPPFLAGS="-I$withval"],
  [DENSE_CPPFLAGS='-I/usr/include/'])
AC_SUBST(DENSE_CPPFLAGS)
echo $DENSE_CPPFLAGS

## Check for Eigen
AC_MSG_CHECKING([for eigen3])

EIGEN_CPPFLAGS=
EIGEN_LIBS=

PKG_CHECK_EXISTS([eigen3],
  [EIGEN_CPPFLAGS=`$PKG_CONFIG --cflags eigen3`
   EIGEN_LIBS=`$PKG_CONFIG --libs eigen3`
   AC_MSG_RESULT([yes])],
  [AC_MSG_RESULT([no])
   AC_MSG_ERROR([eigen3 required to install $PACKAGE_NAME])]
  )

AC_SUBST(EIGEN_CPPFLAGS)
AC_SUBST(EIGEN_LIBS)

## Check for dolfin
AC_MSG_CHECKING([for dolfin])

DOLFIN_CPPFLAGS=
DOLFIN_LIBS=

PKG_CHECK_EXISTS([dolfin],
  [DOLFIN_CPPFLAGS=`$PKG_CONFIG --cflags dolfin`
   DOLFIN_LIBS=`$PKG_CONFIG --libs dolfin`
   AC_MSG_RESULT([yes])],
  [AC_MSG_RESULT([no])
   AC_MSG_ERROR([dolfin required to install $PACKAGE_NAME])]
  )

AC_SUBST(DOLFIN_CPPFLAGS)
AC_SUBST(DOLFIN_LIBS)


AC_CHECK_PROG([HAVE_FFC], [ffc], [yes], [no])
if [test $HAVE_FFC = "no"]; then
  AC_MSG_ERROR([ffc required to install $PACKAGE_NAME])
fi

AC_CHECK_PROG([HAVE_MKOCTFILE], [mkoctfile], [yes], [no])
if [test $HAVE_MKOCTFILE = "no"]; then
  AC_MSG_ERROR([mkoctfile required to install $PACKAGE_NAME])
fi

AC_CONFIG_FILES([Makefile ../inst/private/get_vars.m])
AC_OUTPUT