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# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI="3"
inherit eutils
DESCRIPTION="A C++ implementation of the Levenberg-Marquardt non-linear regression"
HOMEPAGE="http://www.ics.forth.gr/~lourakis/levmar/"
SRC_URI="http://www.ics.forth.gr/~lourakis/levmar/${P}.tgz"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~x86 ~amd64"
IUSE="nosingle nodouble examples"
RDEPEND="virtual/lapack"
DEPEND="${RDEPEND}
>=dev-util/cmake-2.6"
src_prepare() {
epatch "${FILESDIR}/cmakeusage-2.5.patch"
}
src_compile() {
local CMAKE_VARIABLES=""
CMAKE_VARIABLES="${CMAKE_VARIABLES} -DCMAKE_INSTALL_PREFIX:PATH=/usr"
if use nosingle; then
CMAKE_VARIABLES="${CMAKE_VARIABLES} -DSUPPORT_SINGLE_PRECICION:BOOL=OFF"
else
CMAKE_VARIABLES="${CMAKE_VARIABLES} -DSUPPORT_SINGLE_PRECICION:BOOL=ON"
fi
if use nodouble; then
CMAKE_VARIABLES="${CMAKE_VARIABLES} -DSUPPORT_DOUBLE_PRECICION:BOOL=OFF"
else
CMAKE_VARIABLES="${CMAKE_VARIABLES} -DSUPPORT_DOUBLE_PRECICION:BOOL=ON"
fi
if use examples; then
CMAKE_VARIABLES="${CMAKE_VARIABLES} -DBUILD_EXAMPLE:BOOL=ON"
else
CMAKE_VARIABLES="${CMAKE_VARIABLES} -DBUILD_EXAMPLE:BOOL=OFF"
fi
cmake ${CMAKE_VARIABLES} . || die "cmake configuration failed"
emake || die "make failed"
}
src_install() {
make DESTDIR="${D}" install || die "make install failed"
dodoc README.txt
if use examples; then
dodir /usr/share/${P}/examples/ || die "Failed to create examples directory"
cp "lmdemo.c" "${D}/usr/share/${P}/examples/" || die "Failed to copy example files"
fi
}
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