[SciPy-user] Incorporating SUNDIALS in SciPy

[Jan-Jan van der Vyver]

If you recompile lam-mpi, with the attached ebuild, and fortran keyword
enabled, then everything compiles like a dream :-)
	Jan-Jan


On Fri, 2004-12-10 at 13:57 +0100, Jan-Jan van der Vyver wrote:
> I had no problems with the installation.  (That is it compiled and gave
> no errors).
> 
> I used the following flags 
> $ ./configure  F77=g77 --enable-shared 
> 
> I am on a Gentoo system (I'll create and upload an ebuild if people want
> one). I also have the lam-mpi package installed, which at the moment has
> the --without-fc directive (hence no fortran on mpi). I'll see if I can
> work around that.
> 
> Jan-Jan
> 
> 
> 
> On Fri, 2004-12-10 at 03:03 -0800, Robert Kern wrote:
> > Jan-Jan van der Vyver wrote:
> > > Dear SciPy-community,
> > > 
> > > The latest package of SUNDAILS (SUite of Nonlinear and
> > > DIfferential/ALgebraic equation Solvers) have just been released (BSD
> > > license). Would it make sense to integrate this in SciPy? If not, why
> > > not? (The major reason I'm still using Matlab is easy to use ode
> > > solvers.)
> > 
> > I don't see any showstopper reason not to. There are a handful of 
> > nitpicky reasons, however:
> > 
> > It *is* a relatively large package; the source is about 3 MiB unpacked 
> > sans-docs. I'm not sure how many large packages Scipy can depend on. 
> > This one may be worth it, however, particularly if you can get it to 
> > work with sparse arrays.
> > 
> > There is a bug in its build process such that "make install" doesn't 
> > work as expected on my machine (Mac OS X 10.3). It's easily worked 
> > around, however.
> > 
> > F77 support (which would be the ideal route to a first pass via f2py) 
> > fails to configure with my setup (Fink g77 3.4.2). This is probably an 
> > error with my setup.
> > 
> > I think this would be a great addition to Scipy. I would suggest getting 
> > it running outside of Scipy first (though depending *on* Scipy for 
> > scipy_distutils, sparse arrays, etc.). Then, when it's usable, we can 
> > integrate it into the Scipy hierarchy.
> 
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# Copyright 1999-2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-cluster/lam-mpi/lam-mpi-7.0.6.ebuild,v 1.5 2004/10/04 23:07:18 fmccor Exp $

IUSE="crypt fortran"

MY_P=${P/-mpi}
S=${WORKDIR}/${MY_P}

DESCRIPTION="the LAM MPI parallel computing environment"
SRC_URI="http://www.lam-mpi.org/download/files/${MY_P}.tar.bz2"
HOMEPAGE="http://www.lam-mpi.org"

DEPEND="virtual/libc"
# we need ssh if we want to use it instead of rsh
RDEPEND="${DEPEND}
	crypt? ( net-misc/openssh )
	!crypt? ( net-misc/netkit-rsh )
	!sys-cluster/mpich"

SLOT="6"
KEYWORDS="x86 ppc sparc"
LICENSE="as-is"

src_unpack() {
	unpack ${A}

	cd ${S}/romio/util/
	sed -i "s|docdir=\"\$datadir/lam/doc\"|docdir=\"${D}/usr/share/doc/${PF}\"|" romioinstall.in
}

src_compile() {

	local myconf

	if use crypt; then
		myconf="--with-rsh=ssh"
	else
		myconf="--with-rsh=rsh"
	fi
	if use fortran; then
		fconf="--with-fc=g77"
	else
		fconf="--without-fc"
	fi

	econf \
		--sysconfdir=/etc/lam-mpi \
		--enable-shared \
		--enable-long-long \
		--enable-threads=posix \
		--enable-languages=c,c++,f77 \
		--disable-checking  \
		--enable-cstdio=stdio \
		--with-system-zlib \
		${fconf} || \
		${myconf} || die

	# sometimes emake doesn't finish since it gets ahead of itself :)

	make || die
}

src_install () {

	make DESTDIR="${D}" install || die

	#need to correct the produced absolute symlink
	cd ${D}/usr/include
	rm mpi++.h
	ln -sf mpi2c++/mpi++.h mpi++.h

	# There are a bunch more tex docs we could make and install too,
	# but they might be replicated in the pdf.
	dodoc README HISTORY LICENSE VERSION
	cd ${S}/doc
	dodoc {user,install}.pdf
}
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