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# $Id: PKGBUILD 210782 2017-02-07 13:26:20Z arojas $
# Maintainer (Arch): Evgeniy Alekseev <arcanis.arch at gmail dot com>
# Maintainer (Arch): Antonio Rojas <arojas@archlinux.org>
# Contributor (Arch): Daniel Wallace <danielwallace at gtmanfred dot com>
# Contributor (Arch): Thomas Dziedzic <gostrc at gmail dot com>
# Contributor (Arch): Osman Ugus <ugus11 at yahoo dot com>
# Contributor (Arch): Stefan Husmann <stefan-husmann at t-online dot de>
# Special thanks to Nareto for moving the compile from the .install to the PKGBUILD
# Maintainer: Omar Vega Ramos <ovruni@gnu.org.pe>
# Maintainer: André Silva <emulatorman@parabola.nu>

pkgname=sagemath
pkgver=7.5.1
pkgrel=5.parabola1
pkgdesc="Free Mathematics Software, free software replacement of Magma, Maple, Mathematica, and Matlab, without nonfree nauty support"
arch=(i686 x86_64 armv7h)
url="http://www.sagemath.org"
license=(GPL)
depends=(ipython2 ppl palp brial cliquer maxima-ecl gfan sympow python2-rpy2 python2-fpylll python2-psutil
  python2-matplotlib python2-scipy python2-sympy python2-networkx python2-pillow python2-future libgap flintqs lcalc lrcalc arb
  eclib gmp-ecm zn_poly gd python2-cvxopt pynac linbox rubiks pari-galdata pari-seadata-small planarity rankwidth
  sage-data-combinatorial_designs sage-data-elliptic_curves sage-data-graphs sage-data-polytopes_db sage-data-conway_polynomials)
optdepends=('cython2: to compile cython code' 'python2-pkgconfig: to compile cython code'
  'jmol: 3D plots' 'sage-notebook: Browser-based (flask) notebook interface'
  'sagemath-doc: Documentation and inline help' 'python2-igraph: igraph backend for graph theory'
  'coin-or-cbc: COIN backend for numerical computations' 'coin-or-csdp: for computing Lovász theta-function of graphs'
  'buckygen: for generating fullerene graphs' 'plantri: for generating some classes of graphs' 'benzene: for generating fusenes and benzenoids'
  'modular_decomposition: modular decomposition of graphs' 'ffmpeg: to export animations to video' 'imagemagick: to show animations'
  'coxeter3: Coxeter groups implementation' 'cryptominisat2: SAT solver' 'gap-data: for computing Galois groups'
  'lrs: Algorithms for linear reverse search used in game theory and for computing volume of polytopes'
  'libhomfly: for computing the homfly polynomial of links' 'libbraiding: for computing in braid groups'
  'libfes: exhaustive search of solutions for boolean equations' 'python2-pynormaliz: Normaliz backend for polyhedral computations'
  'three.js: alternative 3D plots engine' 'tachyon: alternative 3D plots engine'
  'sagemath-jupyter: Jupyter kernel')
makedepends=(cython2 boost ratpoints symmetrica python2-jinja coin-or-cbc libhomfly libbraiding
  mcqd coxeter3 cryptominisat2 modular_decomposition bliss-graphs tdlib python2-pkgconfig meataxe libfes)
conflicts=(sage-mathematics)
replaces=(sage-mathematics)
provides=(sage-mathematics)
source=("$pkgname-$pkgver.tar.gz::https://github.com/sagemath/sage/archive/$pkgver.tar.gz"
        env.patch skip-check.patch cython-sys-path.patch is-package-installed.patch package.patch
        jupyter-path.patch test-optional.patch ecm-7.patch increase-rtol.patch sagemath-gslcblas.patch r-no-readline.patch
        sagemath-no-anal.h.patch sagemath-planarity3.patch fes02.patch)
sha256sums=('3cd9af3e3bfd7f5cc966b7c36168d04b9a1213aa9a7af3286b5d53d40e7653e3'
            '9dba04ff13626a7b6c338a8b18a6c27d343f68a547a218533cf773af3dae6635'
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            'ff7e034d08ab084fdb193484f7fe3a659ebcd8ab33a2b7177237d65b26de7872'
            'd60fb0fbd27991ce9496ca035a54b03334b5b53f244227a8d6e13f3327ce75d2'
            '4a2297e4d9d28f0b3a1f58e1b463e332affcb109eafde44837b1657e309c8212'
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            'be925eefeac3f28e639794ddc20d64e6faafd7181804e29417a510224d19ccc7'
            '973224f53e9a6fcfaa9c6cb842b02430a601d1c7ce0abb41b3591470d128930c'
            'ef9f401fa84fe1772af9efee6816643534f2896da4c23b809937b19771bdfbbf'
            '8126c92a5fc15738c4f7982aadb5a4033230fc2d5da05af9133a96ad1181419e'
            'a1c562ebe4538d672404ca3ac2e954a3c955afeb7463f7b4fe6eaa6fa74fe5c7'
            'a39da083c038ada797ffc5bedc9ba47455a3f77057d42f86484ae877ef9172ea')

prepare(){
  cd sage-$pkgver

# Parabola-specific patches
# assume all optional packages are installed
  patch -p0 -i ../package.patch
# set env variables
  patch -p0 -i ../env.patch
# skip checking build status
  patch -p0 -i ../skip-check.patch
# don't list optional packages when running tests
  patch -p0 -i ../test-optional.patch
# set jupyter path
  patch -p0 -i ../jupyter-path.patch
# search system paths for cython includes
  patch -p1 -i ../cython-sys-path.patch
# fix regressions with ECM 7
  patch -p1 -i ../ecm-7.patch
# increase numerical tolerance, needed by scipy 0.18
  patch -p1 -i ../increase-rtol.patch
# fix cblas linking in gsl modules
  patch -p1 -i ../sagemath-gslcblas.patch
# fix freezes in R interface with readline 7 (Debian)
  patch -p1 -i ../r-no-readline.patch
# fix build with planarity 3 (Debian)
  patch -p2 -i ../sagemath-planarity3.patch

# Upstream patches  
# fix build against libfes 0.2 http://trac.sagemath.org/ticket/15209
  patch -p1 -i ../fes02.patch
# replace is_package_installed usage http://trac.sagemath.org/ticket/20377
  patch -p1 -i ../is-package-installed.patch
# Allow compiling without pari's anal.h https://trac.sagemath.org/ticket/22195
  patch -p1 -i ../sagemath-no-anal.h.patch

# use python2
  sed -e 's|#!/usr/bin/env python|#!/usr/bin/env python2|' -e 's|exec python|exec python2|' -i src/bin/*
  sed -e 's|cython {OPT}|cython2 {OPT}|' -e 's|python setup.py|python2 setup.py|' -i src/sage/misc/cython.py
  sed -e 's|exec ipython|exec ipython2|' -e 's|cygdb|cygdb2|g' -i src/bin/sage
  sed -e "s|'cython'|'cython2'|" -i src/bin/sage-cython
  sed -e 's|bin/python|bin/python2|g' -i src/bin/sage-env
}


build() {
  cd sage-$pkgver/src

  export SAGE_LOCAL="/usr"
  export SAGE_ROOT="$PWD"
  export SAGE_SRC="$PWD"
  export CC=gcc

  python2 setup.py build
}

package() {
  cd sage-$pkgver/src

  export SAGE_ROOT="$PWD"
  export SAGE_LOCAL="/usr"
  export JUPYTER_PATH="$pkgdir"/usr/share/jupyter

  python2 setup.py install --root="$pkgdir" --optimize=1 --skip-build

  mkdir -p "$pkgdir"/usr/bin
  cp bin/sage "$pkgdir"/usr/bin
  for _i in arch-env banner cachegrind callgrind cleaner coverage coverageall cython env eval grep grepdoc inline-fortran ipython \
    massif maxima.lisp native-execute notebook num-threads.py omega open preparse python rst2sws rst2txt run run-cython runtests startuptime.py \
    sws2rst valgrind version.sh
  do
    cp bin/sage-$_i "$pkgdir"/usr/bin
  done
  cp bin/math-readline "$pkgdir"/usr/bin
  
  mkdir -p "$pkgdir"/usr/share/sage
  cp -r ext "$pkgdir"/usr/share/sage
  
# Create SAGE_SRC, needed for the notebook and help
  mkdir "$pkgdir"/usr/share/sage/source
  ln -s /usr/share/doc/sage "$pkgdir"/usr/share/sage/source/doc

# Remove sage_setup
  rm -r "$pkgdir"/usr/lib/python2.7/site-packages/sage_setup

# Split jupyter kernel
  rm -r "$pkgdir"/usr/share/jupyter
}