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# $Id: PKGBUILD 200328 2016-12-19 19:41:08Z 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=7.4
pkgrel=14.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 tachyon python2-rpy2 python2-fpylll
  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'
  'sagemath-jupyter: Jupyter kernel')
makedepends=(cython2 boost ratpoints symmetrica fflas-ffpack 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 disable-fes.patch
        jupyter-path.patch test-optional.patch python-2.7.11.patch ecm-7.patch increase-rtol.patch sagemath-singular4.patch
        sagemath-cython0.25.patch pynac-0.7.1.patch sagemath-python2-pkgconfig-1.2.patch)
md5sums=('8311ee35a309dbc668b5148795211254'
         '784ba3fca83f24ed0bbf62e01fa4e967'
         '6cafcb381437d4751fd55b25d5090987'
         'a1bcdd3fe620dbae60ed8b0e98b2ece7'
         '5dca842e4440e4ef235ae18c1b1f20e3'
         'ccfd5b1bc4796f414f1531be52504dd7'
         '06a67e611d10aa2381efe1f08ea4ffd9'
         '0d88207416dfb98a17bf8886257d9a02'
         '921017fd2d9dadbb6b602ac0476bfd58'
         'ef927896f2071b442b1d07d7e69f5f3a'
         '0c9a57d35de80c2cd418ebec912efbbb'
         '39d3fded716d2a7ae0ab03e0896b7497'
         '4bd7305e8b69add8356f9751470cf587'
         'e76faa070a490de97818762ba340d9dc'
         '32da930dcb7c4718acf0188e090c07b9'
         '329a483b16c0e1960b15b3ca3082f2d0')

prepare(){
  cd sage-$pkgver

# Parabola-specific patches
# assume all optional packages are installed
  patch -p0 -i ../package.patch
# don't try to link against libpng 1.2
  sed -e 's|png12|png|' -i src/module_list.py
# set env variables
  patch -p0 -i ../env.patch
# skip checking build status
  patch -p0 -i ../skip-check.patch
# supress warning about GAP install dir
  sed -e "s|gapdir = os.path.join(SAGE_LOCAL, 'gap', 'latest')|gapdir = '/usr/lib/gap'|" -i src/sage/libs/gap/util.pyx 
# don't list optional packages when running tests
  patch -p0 -i ../test-optional.patch
# set jupyter path
  patch -p0 -i ../jupyter-path.patch
# fix timeit with Python 2.7.11
  patch -p0 -i ../python-2.7.11.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

# Upstream patches  
# fix build against libfes 0.2 http://trac.sagemath.org/ticket/15209
#  patch -p0 -i ../fes02.patch
# disable fes module, fails to compile
  patch -p0 -i ../disable-fes.patch
# replace is_package_installed usage http://trac.sagemath.org/ticket/20377
  patch -p1 -i ../is-package-installed.patch
# port to Singular 4 https://trac.sagemath.org/ticket/17254
  patch -p1 -i ../sagemath-singular4.patch
# fix build with cython 0.25
  patch -p1 -i ../sagemath-cython0.25.patch
# port to pynac 0.7.1
  patch -p1 -i ../pynac-0.7.1.patch

# fix build with python2-pkgconfig 1.2
  patch -p1 -i ../sagemath-python2-pkgconfig-1.2.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|python -c|python2 -c|' -i src/generate_py_source.mk
  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
}