oo2c-2.1.11norayr-overlay

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# Copyright 2025 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

DESCRIPTION="Oberon-2 to C translator and runtime system"
HOMEPAGE="https://ooc.sourceforge.net/"
SRC_URI="
    amd64? ( https://downloads.sourceforge.net/project/ooc/ooc2/2.1.11/oo2c_64-2.1.11.tar.bz2 -> oo2c-2.1.11-amd64.tar.bz2 )
    x86?   ( https://downloads.sourceforge.net/project/ooc/ooc2/2.1.11/oo2c_32-2.1.11.tar.bz2 -> oo2c-2.1.11-x86.tar.bz2 )
    arm64? ( https://downloads.sourceforge.net/project/ooc/ooc2/2.1.11/oo2c_64-2.1.11.tar.bz2 -> oo2c-2.1.11-arm64.tar.bz2 )
    arm?   ( https://downloads.sourceforge.net/project/ooc/ooc2/2.1.11/oo2c_32-2.1.11.tar.bz2 -> oo2c-2.1.11-arm.tar.bz2 )
    ppc?   ( https://downloads.sourceforge.net/project/ooc/ooc2/2.1.11/oo2c_32-2.1.11.tar.bz2 -> oo2c-2.1.11-ppc.tar.bz2 )
"

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~alpha ~amd64 ~arm ~ia64 ~ppc ~ppc64 ~sparc ~x86"

IUSE="gc doc"

RDEPEND="
  sys-libs/ncurses
  gc? ( dev-libs/boehm-gc )
"
DEPEND="${RDEPEND}"

src_unpack() {
    default

    case ${ARCH} in
        amd64|arm64)
            S="${WORKDIR}/oo2c_64-2.1.11"
            ;;
        x86|arm)
            S="${WORKDIR}/oo2c_32-2.1.11"
            ;;
        *)
            die "Unknown architecture ${ARCH}"
            ;;
    esac
}



src_prepare() {
    default
    # Clean out leftovers if any
    rm -rf sym obj bin || die
    #sed -i '/^CFLAGS[[:space:]]*=/ s/$/ -std=gnu99/' stage0/Makefile.ext || die "failed to patch Makefile.ext"
}

src_configure() {
    local myconf=()

econf \
    $(use_enable gc) \
    $(usev !gc && echo "--disable-gc")


    econf "${myconf[@]}"
}


src_compile() {
    einfo "Generating Makefile.ext..."
    perl "${S}/rsrc/OOC/makefilegen.pl" > "${S}/stage0/Makefile.ext" || die "failed to generate Makefile.ext"

    einfo "Patching oo2c_.c to include <oo2c.oh>..."
    sed -i '/#include <RT0.oh>/a #include <oo2c.oh>' "${S}/stage0/obj/oo2c_.c" || die "failed to patch include"

    einfo "Fixing Makefile.ext path to oo2c_.c..."
    sed -i 's|\bobj/oo2c_.c\b|stage0/obj/oo2c_.c|g' "${S}/stage0/Makefile.ext" || die "failed to fix path to oo2c_.c"
    sed -i 's|\bobj/oo2c_.o\b|stage0/obj/oo2c_.o|g' "${S}/stage0/Makefile.ext" || die "failed to fix path to oo2c_.o"

    einfo "Injecting -std=gnu99 into Makefile.ext..."
    sed -i '/^CFLAGS[[:space:]]*=/ s|$| -std=gnu99|' "${S}/stage0/Makefile.ext" || die "CFLAGS patch failed"

    einfo "Building stage0/oo2c..."
    emake -j1 -f stage0/Makefile.ext oo2c || die "stage0 build failed"

    emake -j1 || die "full build failed"
}


src_install() {
    emake DESTDIR="${D}" install || die "install failed"

    # Optional doc files
    dodoc AUTHORS ChangeLog NEWS README* || die
}