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diff --git a/PKGBUILD b/PKGBUILD
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+# Maintainer: JP-Ellis <josh@jpellis.me>
+
+pkgname=madgraph
+pkgver=2.4.0
+_dirname="MG5_aMC_v${pkgver//./_}"
+pkgrel=20160513
+pkgdesc="MadGraph5_aMC@NLO is a framework that aims at providing all the elements necessary for SM and BSM phenomenology"
+url="http://madgraph.hep.uiuc.edu/"
+arch=('i686' 'x86_64')
+license=('MIT')
+depends=('python2' 'bash' 'perl' 'tcsh' 'gcc-fortran')
+source=("http://madgraph.hep.uiuc.edu/Downloads/MG5_aMC_v${pkgver}.tar.gz")
+sha256sums=('9571bcdefb4a15546db1d403f6d2818fc4d21033558ca2a7d376cc71d197aa66')
+options=("!strip")
+
+prepare() {
+    echo "################################################################################"
+    echo "Patching python -> python2"
+    cd ${srcdir}/${_dirname}
+    find . -type f -print0 | xargs -0 sed -i 's|^#!\s*/usr/bin/env\s\+python\s*$|#!/usr/bin/env python2|'
+    find . -type f -print0 | xargs -0 sed -i 's|^#!\s*/usr/bin/python\s*$|#!/usr/bin/env python2|'
+    echo "################################################################################"
+    echo "Building CutTools"
+    cd ${srcdir}/${_dirname}/vendor/CutTools
+    make -j1
+    make clean
+    echo "################################################################################"
+    # DisceteSampler doesn't compile (if someone needs this, I welcome a patch)
+    # echo ""
+    # echo "################################################################################"
+    # echo "Building DiscreteSampler"
+    # cd ${srcdir}/${_dirname}/vendor/DiscreteSampler
+    # make
+    # make clean
+    # echo "################################################################################"
+    echo ""
+    echo "################################################################################"
+    echo "Building IREGI"
+    cd ${srcdir}/${_dirname}/vendor/IREGI/src
+    make
+    make clean
+    echo "################################################################################"
+    echo ""
+    echo "################################################################################"
+    echo "Building SMWidth"
+    cd ${srcdir}/${_dirname}/vendor/SMWidth
+    make
+    make clean
+    echo "################################################################################"
+    echo ""
+    echo "################################################################################"
+    echo "Building StdHEP"
+    cd ${srcdir}/${_dirname}/vendor/StdHEP
+    make
+    make clean
+    echo "################################################################################"
+    echo ""
+    echo "################################################################################"
+    echo "Building Ninja"
+    cd ${srcdir}/${_dirname}/vendor/
+    tar xf ninja.tar.gz
+    rm ninja.tar.gz
+    cd ninja-1.1.0
+    ./configure
+    make
+    make clean
+    echo "################################################################################"
+    echo ""
+    echo "################################################################################"
+    echo "Building OneLoop"
+    cd ${srcdir}/${_dirname}/vendor/
+    tar xf oneloop.tar.gz
+    rm oneloop.tar.gz
+    cd OneLOop-3.6
+    ./create.py
+    ./clean.sh
+    echo "################################################################################"
+    echo ""
+    echo "################################################################################"
+    echo "Extracting documentation"
+    cd ${srcdir}/${_dirname}
+    tar xf doc.tgz
+    rm doc.tgz
+
+    echo "Patching python -> python2"
+    cd ${srcdir}/${_dirname}
+    find . -type f -print0 | xargs -0 sed -i 's|^#!\s*/usr/bin/env\s\+python\s*$|#!/usr/bin/env python2|'
+    find . -type f -print0 | xargs -0 sed -i 's|^#!\s*/usr/bin/python\s*$|#!/usr/bin/env python2|'
+
+    echo "Patching root_path"
+    cd ${srcdir}/${_dirname}
+    find . -type f -print0 | xargs -0 sed -i 's|^\(\s*\)root_path\s*=.*$|\1root_path = "/usr/share/madgraph"|'
+
+    echo "Removing CVS directories"
+    cd ${srcdir}/${_dirname}
+    find . -type d -name "CVS" | xargs rm -rf
+    find . -type f -name ".bzrignore" | xargs rm -f
+    find . -type f -name ".bzr" | xargs rm -rf
+    echo "################################################################################"
+
+}
+
+package() {
+    install -Dm755 "${srcdir}/${_dirname}/bin/mg5" "${pkgdir}/usr/bin/mg5"
+    install -Dm755 "${srcdir}/${_dirname}/bin/mg5_aMC" "${pkgdir}/usr/bin/mg5_aMC"
+    install -Dm755 "${srcdir}/${_dirname}/aloha/bin/aloha" "${pkgdir}/usr/bin/aloha"
+    install -Dm755 "${srcdir}/${_dirname}/MadSpin/madspin" "${pkgdir}/usr/bin/madspin"
+
+    install -Dm655 "${srcdir}/${_dirname}/LICENSE" "${pkgdir}/usr/share/licenses/${pkgname}/LICENSE"
+
+    mkdir -p "${pkgdir}/usr/share/${pkgname}"
+    cp -a "${srcdir}/${_dirname}/." "${pkgdir}/usr/share/${pkgname}"
+    rm -r "${pkgdir}/usr/share/${pkgname}/bin"
+    rm -r "${pkgdir}/usr/share/${pkgname}/aloha/bin"
+    rm "${pkgdir}/usr/share/${pkgname}/MadSpin/madspin"
+
+    find "${pkgdir}/usr/share/${pkgname}" -type f -print0 | xargs -0 chmod 644
+    find "${pkgdir}/usr/share/${pkgname}" -type f -path "*/bin/*" -print0 | xargs -0 chmod 755
+
+    echo ""
+    echo "If you use MadGraph, please cite:"
+    echo "-----------------------------------------------------------------"
+    echo "Alwall, J., et al. \"The automated computation of tree-level and"
+    echo "next-to-leading order differential cross sections, and their"
+    echo "matching to parton shower simulations.\" Journal of High Energy"
+    echo "Physics 2014.7 (2014): 1-157."
+    echo "-----------------------------------------------------------------"
+    echo ""
+}
+
+# Local Variables:
+# mode: sh
+# End: