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# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $
EAPI=4
DESCRIPTION="A free C++ CAS (Computer Algebra System) library and its interfaces"
HOMEPAGE="http://www-fourier.ujf-grenoble.fr/~parisse/giac.html"
SRC_URI="ftp://ftp-fourier.ujf-grenoble.fr/xcas/${P}.tar.gz"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~x86 ~amd64"
IUSE="doc examples fltk"
DEPEND="
dev-libs/gmp
sys-libs/readline
dev-libs/mpfr
sci-libs/gsl
>=sci-mathematics/pari-2.3
>=dev-libs/ntl-5.2
fltk? ( x11-libs/fltk:1 )"
RDEPEND="${DEPEND}"
src_prepare(){
sed \
-e "s:\$(prefix)/share:\$(DESTDIR)\$(prefix)/share:g" \
-e "s:config.h \$(includedir)/giac:config.h \$(DESTDIR)\$(includedir)/giac:g" \
-e "s:\$(DESTDIR)\$(DESTDIR):\$(DESTDIR):g" \
-i `find -name Makefile\*`
if use !fltk; then
sed -e "s: gl2ps\.[chlo]*::g" -i src/Makefile.*
fi
}
src_install() {
default
mv "${D}"/usr/bin/{aide,giac-help}
rm "${D}"/usr/bin/*cas_help
if use !fltk; then
rm "${D}"/usr/bin/x*
fi
if use !doc; then
rm -R "${D}"/usr/share/doc/giac "${D}"/usr/share/giac/doc/
else
for LANG in el en es fr pt; do
if echo ${LINGUAS} | grep -v $LANG &> /dev/null; then
rm -R "${D}"/usr/share/giac/doc/$LANG
else
ln "${D}"/usr/share/giac/doc/aide_cas "${D}"/usr/share/giac/doc/$LANG/aide_cas
fi
done
fi
if use !examples; then
rm -R "${D}"/usr/share/giac/examples
fi
}
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