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# Copyright 1999-2016 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI=5
DESCRIPTION="A free C++ CAS (Computer Algebra System) library and its interfaces"
HOMEPAGE="http://www-fourier.ujf-grenoble.fr/~parisse/giac.html"
SRC_URI="http://www-fourier.ujf-grenoble.fr/~parisse/${PN}/${P}.tar.bz2"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~x86 ~amd64"
IUSE="doc examples fltk"
AUTOTOOLS_IN_SOURCE_BUILD=true
inherit autotools-utils flag-o-matic pax-utils
RDEPEND=">=dev-libs/gmp-3
>=sys-libs/readline-4.2
fltk? ( >=x11-libs/fltk-1.1.9 )
dev-libs/mpfr
sci-libs/gsl
>=sci-mathematics/pari-2.3
>=dev-libs/ntl-5.2"
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" \
-e "s:\$(DESTDIR)/\$(DESTDIR):\$(DESTDIR):g" \
-i `find -name Makefile\*` || die
if use !fltk; then
sed -e "s: gl2ps\.[chlo]*::g" -i src/Makefile.* || die
fi
}
src_configure(){
if use fltk
then
append-cppflags -I$(fltk-config --includedir)
append-lfs-flags
append-libs $(fltk-config --ldflags | sed -e 's/\(-L\S*\)\s.*/\1/') || die
fi
local myeconfargs=(
$(use_enable fltk gui)
)
autotools-utils_src_configure
}
src_install() {
emake install DESTDIR="${D}"
dobin src/aide
rm "${D}"/usr/bin/*cas_help || die
dodoc AUTHORS ChangeLog INSTALL NEWS README TROUBLES
if use !fltk; then
rm "${D}"/usr/bin/x* || die
elif host-is-pax; then
pax-mark -m "${D}"/usr/bin/x*
fi
if use !doc; then
rm -R "${D}"/usr/share/doc "${D}"/usr/share/giac/doc/ || die
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/"$LANG"/aide_cas || die
fi
done
fi
if use !examples; then
rm -R "${D}"/usr/share/giac/examples || die
fi
}
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