# Copyright 2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

DESCRIPTION="Flat assembler"
HOMEPAGE="https://flatassembler.net"
SRC_URI="https://flatassembler.net/${P}.tgz"

LICENSE="BSD-2"
SLOT="0"
KEYWORDS="~amd64 ~x86"

DEPEND=""
RDEPEND="${DEPEND}"
BDEPEND="sys-apps/diffutils"

S="${WORKDIR}/${PN}"
QA_PRESTRIPPED="usr/bin/fasm"

src_compile () {
    local bootstrap
    local src

    if use abi_x86_64; then
        bootstrap="${S}/fasm.x64"
        src=source/Linux/x64/fasm.asm
    elif use abi_x86_32; then
        bootstrap="${S}/fasm"
        src=source/Linux/fasm.asm
    fi
    test -n "${bootstrap}${src}" || die "No compatible ABI found"

    "${bootstrap}" "${src}" "${T}/fasm"
    einfo "Compare bootstrap and target"
    cmp --quiet "${bootstrap}" "${T}/fasm" || die "Stages differ"
}

src_install () {
    dobin "${T}/fasm"
    dodoc fasm.txt
}