# Copyright 1999-2018 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# DS: We first may need to build with USE="-ruby -python" as otherwise linking fails.

EAPI="7"

PYTHON_COMPAT=( python3_{7,8,9} )
USE_RUBY="ruby25 ruby26"
RUBY_OPTIONAL=yes

inherit cmake-utils python-r1 ruby-ng perl-module multilib

DESCRIPTION="Library for solving packages and reading repositories"
HOMEPAGE="https://doc.opensuse.org/projects/libzypp/HEAD/ https://github.com/openSUSE/libsolv"
SRC_URI="https://github.com/openSUSE/libsolv/archive/${PV}.tar.gz -> ${P}.tar.gz"

LICENSE="BSD"
SLOT="0"
KEYWORDS="amd64 ~ppc ~ppc64 x86"
IUSE="bzip2 lzma perl python rpm ruby tcl"
REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"

RDEPEND="
    dev-libs/expat
    sys-libs/zlib
    bzip2? ( app-arch/bzip2 )
    lzma? ( app-arch/xz-utils )
    perl? ( dev-lang/perl:= )
    python? ( ${PYTHON_DEPS} )
    rpm? ( app-arch/rpm )
    ruby? ( $(ruby_implementations_depend) )
    tcl? ( dev-lang/tcl:0= )"

DEPEND="${RDEPEND}
    perl? ( dev-lang/swig:0 )
    python? ( dev-lang/swig:0 )
    ruby? ( dev-lang/swig:0 )
    tcl? ( dev-lang/swig:0 )
    sys-devel/gettext"

# The ruby-ng eclass is stupid and breaks this for no good reason.
S="${WORKDIR}/${P}"
#S="${WORKDIR}/all/${P}"

pkg_setup() {
    use perl && perl_set_version
    use ruby && ruby-ng_pkg_setup
}

src_prepare() {
    cmake-utils_src_prepare

    # The python bindings are tightly integrated w/cmake.
    sed -i \
        -e 's: libsolv: -lsolv:g' \
        bindings/python/CMakeLists.txt || die
}

src_configure() {
    local mycmakeargs=(
        -DUSE_VENDORDIRS=1
        -DLIB="$(get_libdir)"
        -DENABLE_PYTHON=0
        $(cmake-utils_use_enable bzip2 BZIP2_COMPRESSION)
        $(cmake-utils_use_enable lzma LZMA_COMPRESSION)
        $(cmake-utils_use_enable perl PERL)
        $(cmake-utils_use_enable rpm RPMDB)
        $(cmake-utils_use_enable rpm RPMMD)
        $(cmake-utils_use_enable ruby RUBY)
        $(cmake-utils_use_enable tcl TCL)
    )

    cmake-utils_src_configure

    if use python ; then
        # python_foreach_impl will create a unique BUILD_DIR for
        # us to run inside of, so no need to manage it ourselves.
        mycmakeargs+=(
            # Rework the bindings for a minor configure speedup.
            -DENABLE_PYTHON=1
            -DENABLE_{PERL,RUBY,TCL}=0
        )
        # Link against the common library so the bindings don't
        # have to rebuild it.
        LDFLAGS="-L${BUILD_DIR}/src ${LDFLAGS}" \
        python_foreach_impl cmake-utils_src_configure
    fi
}

pysolv_phase_func() {
    BUILD_DIR="${BUILD_DIR}/bindings/python" \
    cmake-utils_${EBUILD_PHASE_FUNC}
}

src_compile() {
    cmake-utils_src_compile

    use python && python_foreach_impl pysolv_phase_func
}

src_install() {
    cmake-utils_src_install

    use python && python_foreach_impl pysolv_phase_func
    use perl && perl_delete_localpod
}