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# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $
EAPI=4
inherit cmake-utils alternatives-2 mercurial
DESCRIPTION="C++ template library for linear algebra"
HOMEPAGE="http://eigen.tuxfamily.org/"
EHG_REPO_URI="https://bitbucket.org/eigen/eigen"
LICENSE="|| ( LGPL-3 GPL-2 )"
KEYWORDS=""
SLOT="3"
IUSE="adolc fortran fftw doc gmp sparse static-libs test"
CDEPEND="adolc? ( sci-libs/adolc[sparse?] )
fftw? ( >=sci-libs/fftw-3 )
gmp? ( dev-libs/gmp dev-libs/mpfr )
sparse? ( dev-cpp/sparsehash
sci-libs/cholmod
sci-libs/superlu
sci-libs/umfpack )"
DEPEND="doc? ( app-doc/doxygen )
test? ( ${CDEPEND} )"
RDEPEND="!dev-cpp/eigen:0
${CDEPEND}"
src_configure() {
#TOFIX: static-libs for blas are always built with PIC
#TOFIX: BTL benchmarks
#TOFIX: is it worth fixing all the automagic given no library is built?
mycmakeargs=(
-DEIGEN_BUILD_BTL=OFF
)
CMAKE_BUILD_TYPE="release" cmake-utils_src_configure
use fortran && FORTRAN_LIBS="blas lapack" # lapack not ready yet
}
src_compile() {
cmake-utils_src_compile
pushd "${S}_build" > /dev/null
use doc && emake doc
use fortran && emake ${FORTRAN_LIBS}
use test && emake buildtests
popd > /dev/null
}
src_install() {
cmake-utils_src_install
use doc && dohtml -r "${CMAKE_BUILD_DIR}"/html/*
local x
for x in ${FORTRAN_LIBS}; do
local libname="eigen_${x}"
cd "${CMAKE_BUILD_DIR}"/${x}
dolib.so lib${libname}.so
use static-libs && newlib.a lib${libname}_static.a lib${libname}.a
cat <<-EOF > ${libname}.pc
prefix=${EPREFIX}/usr
libdir=\${prefix}/$(get_libdir)
includedir=\${prefix}/include
Name: ${PN}
Description: ${DESCRIPTION}
Version: ${PV}
URL: ${HOMEPAGE}
Libs: -L\${libdir} -l${libname}
Libs.private: -lm
EOF
alternatives_for ${x} eigen 0 \
/usr/$(get_libdir)/pkgconfig/${x}.pc ${libname}.pc
insinto /usr/$(get_libdir)/pkgconfig
doins ${libname}.pc
done
}
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