Install this version:
emerge -a =net-libs/lwip-9999
If this version is masked, you can unmask it using the autounmask tool or standard emerge options:
autounmask =net-libs/lwip-9999
Or alternatively:
emerge --autounmask-write -a =net-libs/lwip-9999
# Copyright 2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit cmake edo edos2unix
LWIP_BASE_S="${WORKDIR}"/${P%_p*}
LWIP_POSIX_S="${LWIP_BASE_S}"/contrib/ports/unix/posixlib
LWIP_TEST_S="${LWIP_BASE_S}"/contrib/ports/unix/check
DESCRIPTION="Small independent implementation of the TCP/IP protocol suite"
HOMEPAGE="https://savannah.nongnu.org/projects/lwip/"
if [[ ${PV} == 9999 ]] ; then
EGIT_REPO_URI="
https://https.git.savannah.gnu.org/git/lwip.git
https://github.com/lwip-tcpip/lwip
"
inherit git-r3
else
SRC_URI="mirror://nongnu/${PN}/${P%_p*}.zip"
if [[ ${PV} == *_p* ]] ; then
LWIP_PV=+dfsg1-${PV#*_p}
SRC_URI+=" mirror://debian/pool/main/l/${PN}/${PN}_${PV%_p*}${LWIP_PV}.debian.tar.xz"
fi
KEYWORDS="~amd64 ~x86"
fi
S="${LWIP_POSIX_S}"
LICENSE="BSD"
SLOT="0"
IUSE="test"
RESTRICT="!test? ( test )"
DEPEND="
test? (
dev-libs/check
dev-python/python-subunit
)
"
BDEPEND="app-arch/unzip"
# Patches to be applied at LWIP_BASE_S, not LWIP_POSIX_S
BASE_PATCHES=(
"${FILESDIR}"/${PN}-2.2.1-fix-tests-use-lwip-helpers.patch
)
src_prepare() {
cd "${LWIP_BASE_S}" || die
# The .zips produced by upstream have Windows line-endings, but
# the Debian patches don't. But always do this for consistency
# for user patches.
edos2unix $(find "${LWIP_BASE_S}" -type 'f' || die)
if [[ ${PV} == *_p* ]] ; then
BASE_PATCHES+=( $(awk '{print $1}' "${WORKDIR}"/debian/patches/series | sed -e '/^#/d' -e "s:^:${WORKDIR}/debian/patches/:") )
fi
eapply "${BASE_PATCHES[@]}"
sed -i -e 's:-Werror::' \
contrib/ports/CMakeCommon.cmake \
contrib/ports/Common.allports.mk || die
sed -i -e '/LWIP_USE_SANITIZERS/d' \
contrib/ports/unix/check/CMakeLists.txt || die
cd "${LWIP_POSIX_S}" || die
cmake_src_prepare
if use test ; then
CMAKE_USE_DIR="${LWIP_TEST_S}" BUILD_DIR="${WORKDIR}"/${P}_build/test cmake_src_prepare
fi
}
src_configure() {
cmake_src_configure
if use test ; then
CMAKE_USE_DIR="${LWIP_TEST_S}" BUILD_DIR="${WORKDIR}"/${P}_build/test cmake_src_configure
fi
}
src_compile() {
cmake_src_compile
if use test ; then
CMAKE_USE_DIR="${LWIP_TEST_S}" BUILD_DIR="${WORKDIR}"/${P}_build/test cmake_src_compile
fi
}
src_test() {
CMAKE_USE_DIR="${LWIP_TEST_S}" BUILD_DIR="${WORKDIR}"/${P}_build/test cmake_src_test
edo "${WORKDIR}"/${P}_build/test/lwip_unittests
}
Manage flags for this package:
euse -i <flag> -p net-libs/lwip |
euse -E <flag> -p net-libs/lwip |
euse -D <flag> -p net-libs/lwip