core/sage-mathematics/PKGBUILD

# Maintainer: Manu

pkgname=sage-mathematics
pkgver=5.8
pkgrel=1
pkgdesc='SAGE: Open Source Mathematics Software, a viable free alternative to Magma, Maple, Mathematica, and Matlab.'
url='http://www.sagemath.org'
arch=('x86_64')
license=('GPL')
depends=('desktop-file-utils')
makedepends=('gcc-fortran' )
optdepends=('imagemagick: some plotting functionality benefits from it'
            'texlive-core: some plotting functionality benefits from it, also to use SageTeX'
            'openssh: to use the notebook in secure mode'
            'ffmpeg: to show animations')
options=('!makeflags')
install="${pkgname}.install"
source=("http://sage.math.washington.edu/home/release/sage-${pkgver}/sage-${pkgver}.tar"
        'SAGE-notebook.desktop')
md5sums=('b91d6c20798f396a9c875527c78b3587'
         'b82f94383829eee26648feb977e2d89b')

build() {
  cd sage-${pkgver}

  # fix "missing sage.all error" during build
  unset CFLAGS
  unset CXXFLAGS

  # fix build errors
  unset LDFLAGS

  # enable multiple threads while building, is this really needed? check if uses MAKEFLAGS
  export SAGE_BUILD_THREADS=$(lscpu | awk '/^CPU\(s\):/ { print $2 }')
  export MAKE="make -j${SAGE_BUILD_THREADS}"

  # use archlinux's fortran rather then the one that ships with sage to compile sage's fortran
  export FC=/usr/bin/gfortran

  # disable building with debugging support
  export SAGE_DEBUG='no'

  # enable fat binaries (disables processor specific optimizations)
  # comment out if you're only building it for yourself
  export SAGE_FAT_BINARY='yes'

  # can't write to root in a clean chroot
  export DOT_SAGE='/build/src/'

  # only build sage, no documents
  #make build
  make
  ./sage --bdist "$pkgver"
}

package() {
  cd sage-${pkgver}

  # cp because make install is experimental and will corrupt the install
  install -d ${pkgdir}/opt/sage
  cp -dpr --no-preserve=ownership dist/sage-"$pkgver-$CARCH-Linux/"* ${pkgdir}/opt/sage/

  # move SageTeX files to more appropriate directory
  install -d ${pkgdir}/usr/share
  mv ${pkgdir}/opt/sage/local/share/texmf \
    ${pkgdir}/usr/share

  desktop-file-install ${srcdir}/SAGE-notebook.desktop \
    --dir ${pkgdir}/usr/share/applications 

  # create link to main binary
  install -d ${pkgdir}/usr/bin
  ln -s /opt/sage/sage ${pkgdir}/usr/bin/sage

  # remove build logs
  rm -f ${pkgdir}/opt/sage/*.log
  rm -rf ${pkgdir}/opt/sage/spkg/logs

  # remove source packages, since they are rarely needed, they are 300mb in size (compressed)
  rm -f ${pkgdir}/opt/sage/spkg/base/*spkg
  rm -f ${pkgdir}/opt/sage/spkg/standard/*spkg
}