sci-mathematics/axiom/axiom-200805.ebuild

   1 # Copyright 1999-2012 Gentoo Foundation
   2 # Distributed under the terms of the GNU General Public License v2
   3 # $Id$
   4
   5 EAPI=4
   6
   7 inherit eutils multilib flag-o-matic
   8
   9 DESCRIPTION="Axiom is a general purpose Computer Algebra system"
  10 HOMEPAGE="http://axiom.axiom-developer.org/"
  11 SRC_URI="http://www.axiom-developer.org/axiom-website/downloads/${PN}-may2008-src.tgz"
  12
  13 LICENSE="BSD-2"
  14 SLOT="0"
  15 KEYWORDS="~amd64 ~x86"
  16 IUSE=""
  17
  18 # NOTE: Do not strip since this seems to remove some crucial
  19 # runtime paths as well, thereby, breaking axiom
  20 RESTRICT="strip"
  21
  22 DEPEND="virtual/latex-base
  23         x11-libs/libXaw
  24         sys-apps/debianutils
  25         sys-process/procps"
  26 RDEPEND=""
  27
  28 S="${WORKDIR}"/${PN}
  29
  30 pkg_setup() {
  31         # for 2.6.25 kernels and higher we need to have
  32         # /proc/sys/kernel/randomize_va_space set to somthing other
  33         # than 2, otherwise gcl fails to compile (see bug #186926).
  34         local current_setting=$(/sbin/sysctl kernel.randomize_va_space 2>/dev/null | cut -d' ' -f3)
  35         if [[ ${current_setting} == 2 ]]; then
  36                 echo
  37                 eerror "Your kernel has brk randomization enabled. This will"
  38                 eerror "cause axiom to fail to compile *and* run (see bug #186926)."
  39                 eerror "You can issue:"
  40                 eerror
  41                 eerror "   /sbin/sysctl -w kernel.randomize_va_space=1"
  42                 eerror
  43                 eerror "as root to turn brk randomization off temporarily."
  44                 eerror "However, when not using axiom you may want to turn"
  45                 eerror "brk randomization back on via"
  46                 eerror
  47                 eerror "   /sbin/sysctl -w kernel.randomize_va_space=2"
  48                 eerror
  49                 eerror "since it results in a less secure kernel."
  50                 die "Kernel brk randomization detected"
  51         fi
  52 }
  53
  54 src_prepare() {
  55         cp "${FILESDIR}"/noweb-2.9-insecure-tmp-file.patch.input \
  56                 "${S}"/zips/noweb-2.9-insecure-tmp-file.patch \
  57                 || die "Failed to fix noweb"
  58         cp "${FILESDIR}"/${PN}-200711-gcl-configure.patch \
  59                 "${S}"/zips/gcl-2.6.7.configure.in.patch \
  60                 || die "Failed to fix gcl-2.6.7 configure"
  61         epatch "${FILESDIR}"/noweb-2.9-insecure-tmp-file.Makefile.patch
  62
  63         # lots of strict-aliasing badness
  64         append-flags -fno-strict-aliasing
  65 }
  66
  67 src_compile() {
  68         # use gcl 2.6.7
  69         sed -e "s:GCLVERSION=gcl-2.6.8pre$:GCLVERSION=gcl-2.6.7:" \
  70                 -i Makefile.pamphlet Makefile \
  71                 || die "Failed to select proper gcl"
  72
  73         # fix libXpm.a location
  74         sed -e "s:X11R6/lib:$(get_libdir):g" -i Makefile.pamphlet \
  75                 || die "Failed to fix libXpm lib paths"
  76
  77         # Let the fun begin...
  78         AXIOM="${S}"/mnt/linux emake -j1
  79 }
  80
  81 src_install() {
  82         emake DESTDIR="${D}"/opt/axiom COMMAND="${D}"/opt/axiom/mnt/linux/bin/axiom install
  83
  84         mv "${D}"/opt/axiom/mnt/linux/* "${D}"/opt/axiom \
  85                 || die "Failed to mv axiom into its final destination path."
  86         rm -fr "${D}"/opt/axiom/mnt \
  87                 || die "Failed to remove old directory."
  88
  89         dodir /usr/bin
  90         dosym /opt/axiom/bin/axiom /usr/bin/axiom
  91
  92         sed -e "2d;3i AXIOM=/opt/axiom" \
  93                 -i "${D}"/opt/axiom/bin/axiom \
  94                 || die "Failed to patch axiom runscript!"
  95
  96         dodoc changelog readme faq
  97 }