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# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI=4
inherit eutils multilib flag-o-matic
DESCRIPTION="Axiom is a general purpose Computer Algebra system"
HOMEPAGE="http://axiom.axiom-developer.org/"
SRC_URI="http://www.axiom-developer.org/axiom-website/downloads/${PN}-may2008-src.tgz"
LICENSE="BSD-2"
SLOT="0"
KEYWORDS="~amd64 ~x86"
IUSE=""
# NOTE: Do not strip since this seems to remove some crucial
# runtime paths as well, thereby, breaking axiom
RESTRICT="strip"
DEPEND="virtual/latex-base
x11-libs/libXaw
sys-apps/debianutils
sys-process/procps"
RDEPEND=""
S="${WORKDIR}"/${PN}
pkg_setup() {
# for 2.6.25 kernels and higher we need to have
# /proc/sys/kernel/randomize_va_space set to somthing other
# than 2, otherwise gcl fails to compile (see bug #186926).
local current_setting=$(/sbin/sysctl kernel.randomize_va_space 2>/dev/null | cut -d' ' -f3)
if [[ ${current_setting} == 2 ]]; then
echo
eerror "Your kernel has brk randomization enabled. This will"
eerror "cause axiom to fail to compile *and* run (see bug #186926)."
eerror "You can issue:"
eerror
eerror " /sbin/sysctl -w kernel.randomize_va_space=1"
eerror
eerror "as root to turn brk randomization off temporarily."
eerror "However, when not using axiom you may want to turn"
eerror "brk randomization back on via"
eerror
eerror " /sbin/sysctl -w kernel.randomize_va_space=2"
eerror
eerror "since it results in a less secure kernel."
die "Kernel brk randomization detected"
fi
}
src_prepare() {
cp "${FILESDIR}"/noweb-2.9-insecure-tmp-file.patch.input \
"${S}"/zips/noweb-2.9-insecure-tmp-file.patch \
|| die "Failed to fix noweb"
cp "${FILESDIR}"/${PN}-200711-gcl-configure.patch \
"${S}"/zips/gcl-2.6.7.configure.in.patch \
|| die "Failed to fix gcl-2.6.7 configure"
epatch "${FILESDIR}"/noweb-2.9-insecure-tmp-file.Makefile.patch
# lots of strict-aliasing badness
append-flags -fno-strict-aliasing
}
src_compile() {
# use gcl 2.6.7
sed -e "s:GCLVERSION=gcl-2.6.8pre$:GCLVERSION=gcl-2.6.7:" \
-i Makefile.pamphlet Makefile \
|| die "Failed to select proper gcl"
# fix libXpm.a location
sed -e "s:X11R6/lib:$(get_libdir):g" -i Makefile.pamphlet \
|| die "Failed to fix libXpm lib paths"
# Let the fun begin...
AXIOM="${S}"/mnt/linux emake -j1
}
src_install() {
emake DESTDIR="${D}"/opt/axiom COMMAND="${D}"/opt/axiom/mnt/linux/bin/axiom install
mv "${D}"/opt/axiom/mnt/linux/* "${D}"/opt/axiom \
|| die "Failed to mv axiom into its final destination path."
rm -fr "${D}"/opt/axiom/mnt \
|| die "Failed to remove old directory."
dodir /usr/bin
dosym /opt/axiom/bin/axiom /usr/bin/axiom
sed -e "2d;3i AXIOM=/opt/axiom" \
-i "${D}"/opt/axiom/bin/axiom \
|| die "Failed to patch axiom runscript!"
dodoc changelog readme faq
}
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