# Maintainer:  Bartłomiej Piotrowski <bpiotrowski@archlinux.org>
# Contributor: Marius Knaust <marius.knaust@gmail.com>
# Contributor: Ionut Biru <ibiru@archlinux.org>
# Contributor: Stéphane Gaudreault <stephane@archlinux.org>
# Contributor: kevin <kevin@archlinux.org>
# Contributor: Giovanni Scafora <giovanni@archlinux.org>
# Contributor: Kritoke <kritoke@gamebox.net>
# Contributor: Luca Roccia <little_rock@users.sourceforge.net>

# ALARM: Kevin Mihelich <kevin@archlinuxarm.org>
#  - changed _bindir to .linuxarm from .linuxx86
#  - build armv6h with -march=armv6k
#  - specify arm architecture to b2 for aarch64
#  - build armv5 with c++98, can't support c++11 code in boost

pkgbase=boost
pkgname=('boost-libs' 'boost')
pkgver=1.67.0
_boostver=${pkgver//./_}
pkgrel=5
url='http://www.boost.org/'
arch=('x86_64')
license=('custom')
makedepends=('icu' 'python' 'python2' 'python-numpy' 'python2-numpy' 'bzip2' 'zlib' 'openmpi')
source=(https://downloads.sourceforge.net/project/${pkgbase}/${pkgbase}/${pkgver}/${pkgbase}_${_boostver}.tar.bz2
        add-missing-return-statement-in-numpy-import.patch
        lockfree-add-include-boost-next_prior.patch
        fix-return-var-qualifier-in-svm_ptr-get_context.patch)
sha256sums=('2684c972994ee57fc5632e03bf044746f6eb45d4920c343937a465fd67a5adba'
            '04aa755427415c3e1e8080d2bc607c27856f806599c8d35737a3c263b419ed8d'
            '2639c43e33f9279ffbebf270be0e0951b9f0e7a8264f8c3bfebb5b9901da2db6'
            '43cdc2081f90d2acc7e4d9de6689bce07b2a1b4754e85dc7fa50872afa330ffa')

prepare() {
   cd ${pkgbase}_${_boostver}
   patch -Np2 -i ../lockfree-add-include-boost-next_prior.patch
   patch -Np2 -i ../fix-return-var-qualifier-in-svm_ptr-get_context.patch

   # https://github.com/boostorg/python/issues/209
   patch -d libs/python -Np1 < ../add-missing-return-statement-in-numpy-import.patch
}

build() {
   CFLAGS=`echo $CFLAGS | sed -e 's/armv6/armv6k/'` && CXXFLAGS="$CFLAGS"
   export _stagedir="${srcdir}/stagedir"
   local JOBS="$(sed -e 's/.*\(-j *[0-9]\+\).*/\1/' <<< ${MAKEFLAGS})"

   cd ${pkgbase}_${_boostver}

   ./bootstrap.sh --with-toolset=gcc --with-icu --with-python=/usr/bin/python2

   _bindir="bin.linuxarm"
   install -Dm755 tools/build/src/engine/$_bindir/b2 "${_stagedir}"/bin/b2

   # Support for OpenMPI
   echo "using mpi ;" >> project-config.jam

   # boostbook is needed by quickbook
   install -dm755 "${_stagedir}"/share/boostbook
   cp -a tools/boostbook/{xsl,dtd} "${_stagedir}"/share/boostbook/

   if [[ $CARCH == "arm" ]]; then
      STD="c++98"
   else
      STD="c++14"
   fi

   # default "minimal" install: "release link=shared,static
   # runtime-link=shared threading=single,multi"
   # --layout=tagged will add the "-mt" suffix for multithreaded libraries
   # and installs includes in /usr/include/boost.
   # --layout=system no longer adds the -mt suffix for multi-threaded libs.
   # install to ${_stagedir} in preparation for split packaging
   "${_stagedir}"/bin/b2 \
      architecture=arm \
      variant=release \
      debug-symbols=off \
      threading=multi \
      runtime-link=shared \
      link=shared,static \
      toolset=gcc \
      python=2.7 \
      cflags="${CPPFLAGS} ${CFLAGS} -fPIC -O3" \
      cxxflags="${CPPFLAGS} ${CXXFLAGS} -std=${STD} -fPIC -O3" \
      linkflags="${LDFLAGS}" \
      --layout=system \
      ${JOBS} \
      \
      --prefix="${_stagedir}" \
      install

   # because b2 in boost 1.62.0 doesn't seem to respect python parameter, we
   # need another run for liboost_python3.so
   sed -e '/using python/ s@;@: /usr/include/python${PYTHON_VERSION/3*/${PYTHON_VERSION}m} ;@' \
      -i bootstrap.sh

   ./bootstrap.sh --with-toolset=gcc --with-icu --with-python=/usr/bin/python3 \
      --with-libraries=python

   "${_stagedir}"/bin/b2 clean
   "${_stagedir}"/bin/b2 \
      variant=release \
      debug-symbols=off \
      threading=multi \
      runtime-link=shared \
      link=shared,static \
      toolset=gcc \
      python=3.6 \
      cflags="${CPPFLAGS} ${CFLAGS} -fPIC -O3" \
      cxxflags="${CPPFLAGS} ${CXXFLAGS} -std=${STD} -fPIC -O3" \
      linkflags="${LDFLAGS}" \
      --layout=system \
      ${JOBS} \
      \
      --prefix="${_stagedir}/python3" \
      --with-python \
      install
}

package_boost() {
   pkgdesc='Free peer-reviewed portable C++ source libraries - development headers'
   depends=("boost-libs=${pkgver}")
   optdepends=('python: for python bindings'
               'python2: for python2 bindings')
   options=('staticlibs')

   install -dm755 "${pkgdir}"/usr
   cp -a "${_stagedir}"/{bin,include,share} "${pkgdir}"/usr

   install -d "${pkgdir}"/usr/lib
   cp -a "${_stagedir}"/lib/*.a "${pkgdir}"/usr/lib/

   install -Dm644 "${srcdir}/"${pkgbase}_${_boostver}/LICENSE_1_0.txt \
      "${pkgdir}"/usr/share/licenses/boost/LICENSE_1_0.txt

   install -Dm644 "${_stagedir}"/python3/lib/libboost_*.a \
      "${pkgdir}"/usr/lib/

   ln -s /usr/bin/b2 "$pkgdir"/usr/bin/bjam
}

package_boost-libs() {
   pkgdesc='Free peer-reviewed portable C++ source libraries - runtime libraries'
   depends=('bzip2' 'zlib' 'icu')
   optdepends=('openmpi: for mpi support')

   # powerdns-recursor keeps being rebuild against outdated boost-libs
   provides=('libboost_context.so')

   install -dm755 "${pkgdir}"/usr
   cp -a "${_stagedir}"/lib "${pkgdir}"/usr
   cp -a "${_stagedir}"/python3/lib/libboost_* "${pkgdir}"/usr/lib
   rm "${pkgdir}"/usr/lib/*.a

   # https://github.com/boostorg/python/issues/203#issuecomment-391477685
   for _lib in python numpy; do
     ln -srL "${pkgdir}"/usr/lib/libboost_${_lib}{27,}.so
     ln -srL "${pkgdir}"/usr/lib/libboost_${_lib}3{6,}.so
   done

   install -Dm644 "${srcdir}/"${pkgbase}_${_boostver}/LICENSE_1_0.txt \
      "${pkgdir}"/usr/share/licenses/boost-libs/LICENSE_1_0.txt
}