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# Copyright 1999-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
LUA_COMPAT=( lua5-{1,3,4} luajit )
inherit desktop flag-o-matic lua-single toolchain-funcs
DESCRIPTION="The ultimate old-school single player dungeon exploration game"
HOMEPAGE="https://www.nethack.org/"
SRC_URI="https://nethack.org/download/${PV}/nethack-${PV//.}-src.tgz -> ${P}.tar.gz"
S="${WORKDIR}/NetHack-${PV}"
LICENSE="nethack"
SLOT="0"
KEYWORDS="~amd64 ~arm ~arm64 ~hppa ~ppc ~ppc64 ~riscv ~x86"
IUSE="X qt6"
REQUIRED_USE="
${LUA_REQUIRED_USE}
"
RDEPEND="
${LUA_DEPS}
acct-group/gamestat
sys-apps/util-linux
sys-libs/ncurses:0=
X? (
x11-libs/libX11
x11-libs/libXaw
x11-libs/libXpm
x11-libs/libXt
)
qt6? (
dev-qt/qtbase:6[gui,widgets]
dev-qt/qtmultimedia:6
)
"
DEPEND="
${RDEPEND}
X? ( x11-base/xorg-proto )
"
BDEPEND="
virtual/pkgconfig
app-alternatives/lex
app-alternatives/yacc
X? (
x11-apps/bdftopcf
x11-apps/mkfontscale
)
"
PATCHES=(
"${FILESDIR}/${PN}-5.0.0-system-lua.patch"
"${FILESDIR}/${PN}-5.0.0-recover.patch"
"${FILESDIR}/${PN}-3.6.6-clang16.patch"
"${FILESDIR}/${PN}-5.0.0-no-define-warn-unused-result.patch"
"${FILESDIR}/${PN}-3.6.7-path-max.patch"
"${FILESDIR}/${PN}-5.0.0-hurd-tparm.patch"
"${FILESDIR}/${PN}-5.0.0-fix_make.patch"
"${FILESDIR}/${PN}-5.0.0-help.patch"
# see https://bugs.gentoo.org/975067, backport
"${FILESDIR}/${P}-fix_musl_gcc.patch"
)
pkg_setup() {
lua-single_pkg_setup
}
src_prepare() {
default
pushd sys/unix >/dev/null || die
sed -i \
-e "s:pkg-config:$(tc-getPKG_CONFIG):g" \
-e 's:-DCOMPRESS=[^ ]*::' \
-e 's:-DSYSCF_FILE=[^ ]*::' \
-e '/^GIT_.* :=/d' \
hints/linux.${PV//./} || die
# the absence of lua_get_CFLAGS will warn if the sed does nothing
sed -i \
-e 's:^CCFLAGS = -g:CCFLAGS = $(MYCFLAGS):' \
-e 's:^CCXXFLAGS = -g:CCXXFLAGS = $(MYCXXFLAGS):' \
hints/include/compiler.${PV//./} || die
sed -i \
-e "s/^GDBPATH=/#GDBPATH=/" \
sysconf || die
# use precompiled Guidebook.txt, lots of troff errors on Hurd
sed -i \
-e '/^ALLDEP = .*/s/Guidebook//' \
Makefile.top || die
./setup.sh hints/linux.${PV//./} || die "Failed to run setup.sh"
popd >/dev/null || die
}
src_compile() {
# custom options
append-cppflags -DVISION_TABLES -DSCORE_ON_BOTL
# fix paths
append-cppflags '-DCOMPRESS=\"${EPREFIX}/bin/gzip\"'
append-cppflags '-DDEF_PAGER=\"${PAGER}\"'
append-cppflags '-DSYSCF_FILE=\"${EPREFIX}/etc/nethack.sysconf\"'
append-cppflags '-DVAR_PLAYGROUND=\"${EPREFIX}/var/games/nethack\"'
# -Wlto-type-mismatch, bug #973698
use qt6 && filter-lto
LOCAL_MAKEOPTS=(
AR="$(tc-getAR)"
CC="$(tc-getCC)"
CXX="$(tc-getCXX)"
MYCFLAGS="${CFLAGS} ${CPPFLAGS} $(lua_get_CFLAGS)"
LFLAGS="${LDFLAGS}"
# musl
$(usev elibc_musl musl=1)
UUID_LIB_CHECK="1" # checked with ldconfig -p
# use system lua
SYSTEM_LUA=1
LUA_VERSION="$(lua_get_version)"
LUA_HEADER_DIR="${ESYSROOT}/$(lua_get_include_dir)"
LUA_LIBS="$(lua_get_LIBS)"
# custom path
HACKDIR="${EPREFIX}/usr/$(get_libdir)/nethack"
# graphic backends
WANT_WIN_ALL=
WANT_WIN_TTY=1
WANT_WIN_CURSES=1
WANT_WIN_X11=$(usev X)
WANT_WIN_QT=$(usev qt6)
WANT_WIN_QT6=$(usev qt6)
)
if use qt6; then
LOCAL_MAKEOPTS+=(
MYCXXFLAGS="${CXXFLAGS} ${CPPFLAGS} $(lua_get_CFLAGS)"
QTDIR="${ESYSROOT}/usr"
)
fi
# already in MYC{,XX)FLAGS, unset to allow CFLAGS ?= with useful flags then
unset CFLAGS CXXFLAGS
# Upstream still has some parallel compilation bugs.
emake -j1 "${LOCAL_MAKEOPTS[@]}" all
}
# do nothing but warnings
src_test() { :; }
src_install() {
LOCAL_MAKEOPTS+=(
GAMEPERM=02755
CHOWN=true
CHGRP=true
POSTINSTALL=
INSTDIR="${ED}/usr/$(get_libdir)/nethack"
SHELLDIR="${ED}/usr/bin"
VARDIR="${ED}/var/games/nethack"
)
emake -j1 "${LOCAL_MAKEOPTS[@]}" install
mv "${ED}/usr/$(get_libdir)/nethack/recover" "${ED}/usr/bin/recover-nethack" || die "Failed to move recover-nethack"
doman doc/nethack.6
newman doc/recover.6 recover-nethack.6
dodoc doc/Guidebook.txt
insinto /etc
newins sys/unix/sysconf nethack.sysconf
if use X; then
mkdir -p "${ED}/etc/X11/app-defaults/" || die "Failed to make app-defaults directory"
mv "${ED}/usr/$(get_libdir)/nethack/NetHack.ad" "${ED}/etc/X11/app-defaults/" || die "Failed to move NetHack.ad"
make_desktop_entry --eapi9 ${PN} -n Nethack
pushd "${S}"/win/X11 >/dev/null || die
newicon nh_icon.xpm nethack.xpm
# install nethack fonts
bdftopcf -o nh10.pcf nh10.bdf || die "Converting fonts failed"
bdftopcf -o ibm.pcf ibm.bdf || die "Converting fonts failed"
local fontdir="/usr/$(get_libdir)/nethack/fonts"
insinto "${fontdir}"
doins *.pcf
mkfontdir "${ED}/${fontdir}" || die "mkfontdir failed"
popd >/dev/null || die
fi
rm -r "${ED}/var/games/nethack" || die "Failed to clean var/games/nethack"
keepdir /var/games/nethack/save
}
pkg_preinst() {
fowners root:gamestat /var/games/nethack /var/games/nethack/save
fperms 2770 /var/games/nethack /var/games/nethack/save
fowners root:gamestat "/usr/$(get_libdir)/nethack/nethack"
fperms g+s "/usr/$(get_libdir)/nethack/nethack"
}
pkg_postinst() {
pushd "${EROOT}/var/games/nethack" >/dev/null || die "Failed to enter ${EROOT}/var/games/nethack directory"
# Transition mechanism for <nethack-3.6.1 ebuilds. It's perfectly safe, so we'll just run it unconditionally.
chmod 2770 . save || die "Failed to chmod statedir"
# Those files can't be created earlier because we don't want portage to wipe them during upgrades
( umask 007 && touch logfile perm record xlogfile ) || die "Failed to create log files"
# Instead of using a proper version header in its save files, nethack checks for incompatibilities
# by comparing the mtimes of save files and its own binary. This would require admin interaction even
# during upgrades which don't change the file format, so we'll just touch the files and warn the admin
# manually in case of compatibility issues.
(
shopt -s nullglob
local saves=( bones* save/* )
[[ -n "${saves[*]}" ]] && touch -c "${saves[@]}"
) # non-fatal
popd >/dev/null || die
}
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