sys-fs/udev: enable musl

Closes: https://github.com/gentoo/gentoo/pull/21862
Signed-off-by: David Seifert <soap@gentoo.org>

3 files changed, 127 insertions, 5 deletions

diff --git a/sys-fs/udev/Manifest b/sys-fs/udev/Manifest
index f3904e20d039..507013c24e84 100644
--- a/sys-fs/udev/Manifest
+++ b/sys-fs/udev/Manifest
@@ -1,2 +1,3 @@
 DIST systemd-248.tar.gz 10306883 BLAKE2B 3cb25d6101136a5f57e841d3f464f0d7649f6c1cb190b25e4dbf0a8f2be075d04a3cbe92e2fee5bb6a03b73bd8195d8c7b691661b39b7850547d512219cc40af SHA512 486f6ac6c2897a2aac97a59306091a03fd50768340407401e1f088ea5b21c67dae726bff4cbe53cec6b89a8f0ee72205b340165a4fe3a3c16cff6d176506c6e0
 DIST systemd-249.tar.gz 10588828 BLAKE2B f7896dea0bdec25125188b94ee84270b972649b1eb16599bed1967ced79f62dbfd1494e22362934f418823c054b342fb24dc57706b49520814beb95b6956bf27 SHA512 0810d09cc32e4aaa4425ee5b7ddf129262b061ce159cbd43571fabda48285243d8f80b566379ece9215d531b9407ee45e1e72c71935644fea31c7bca1bbf540c
+DIST systemd-musl-patches-249.1-r0.tar.xz 24276 BLAKE2B ba96bcfb04096d639d7ee028b219bb90648b6aa8aaefe804cd658d3fb8c4f9770b617dc9c5ddfb93e876b739ad927d037c881cbfb19d2db095fa897f3bb83d20 SHA512 9bd7ea515184e44bfa50c9f415200c62f931c657a49cd53a15ee9719991f3773c12ca7162dc12f61a7e67ed791405e879f9b5a13c9fa09fab464be269508f31f
diff --git a/sys-fs/udev/files/249-sys-include-posix.patch b/sys-fs/udev/files/249-sys-include-posix.patch
new file mode 100644
index 000000000000..6d9e0039b9c9
--- /dev/null
+++ b/sys-fs/udev/files/249-sys-include-posix.patch
@@ -0,0 +1,67 @@
+Silence annoying #warning's on musl
+
+https://github.com/systemd/systemd/pull/20362
+https://github.com/systemd/systemd/pull/20364
+
+From f8d54f7810aeea5ff27a5db03e1aab7ea54c8268 Mon Sep 17 00:00:00 2001
+From: David Seifert <soap@gentoo.org>
+Date: Mon, 2 Aug 2021 12:41:38 +0200
+Subject: [PATCH] Use correct `<fcntl.h>` include
+
+* `<sys/fcntl.h>` is not specified in POSIX
+---
+ src/basic/fileio.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/basic/fileio.h b/src/basic/fileio.h
+index af797cfafdbf..4295b84a85c5 100644
+--- a/src/basic/fileio.h
++++ b/src/basic/fileio.h
+@@ -2,11 +2,11 @@
+ #pragma once
+ 
+ #include <dirent.h>
++#include <fcntl.h>
+ #include <stdbool.h>
+ #include <stddef.h>
+ #include <stdio.h>
+ #include <sys/stat.h>
+-#include <sys/fcntl.h>
+ #include <sys/types.h>
+ 
+ #include "macro.h"
+From 2b6c0bb2a341c95223ce672249e43c743b03d78c Mon Sep 17 00:00:00 2001
+From: David Seifert <soap@gentoo.org>
+Date: Mon, 2 Aug 2021 16:09:10 +0200
+Subject: [PATCH] Use correct `<poll.h>` include
+
+* `<sys/poll.h>` is not specified in POSIX
+---
+ src/shared/nscd-flush.c | 2 +-
+ src/shared/varlink.c    | 2 +-
+ 2 files changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/src/shared/nscd-flush.c b/src/shared/nscd-flush.c
+index dfc47c423441..19e16d93455c 100644
+--- a/src/shared/nscd-flush.c
++++ b/src/shared/nscd-flush.c
+@@ -1,5 +1,5 @@
+ /* SPDX-License-Identifier: LGPL-2.1-or-later */
+-#include <sys/poll.h>
++#include <poll.h>
+ 
+ #include "fd-util.h"
+ #include "io-util.h"
+diff --git a/src/shared/varlink.c b/src/shared/varlink.c
+index 3a53c16a7242..4033947d3b8c 100644
+--- a/src/shared/varlink.c
++++ b/src/shared/varlink.c
+@@ -1,7 +1,7 @@
+ /* SPDX-License-Identifier: LGPL-2.1-or-later */
+ 
+ #include <malloc.h>
+-#include <sys/poll.h>
++#include <poll.h>
+ 
+ #include "alloc-util.h"
+ #include "errno-util.h"
diff --git a/sys-fs/udev/udev-249-r2.ebuild b/sys-fs/udev/udev-249-r2.ebuild
index ae3ddedfae41..e2c3e613c5e6 100644
--- a/sys-fs/udev/udev-249-r2.ebuild
+++ b/sys-fs/udev/udev-249-r2.ebuild
@@ -2,9 +2,9 @@
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
-PYTHON_COMPAT=( python3_{7..9} )
+PYTHON_COMPAT=( python3_{8..9} )
 
-inherit bash-completion-r1 linux-info meson-multilib ninja-utils python-any-r1 toolchain-funcs udev usr-ldscript
+inherit bash-completion-r1 flag-o-matic linux-info meson-multilib ninja-utils python-any-r1 toolchain-funcs udev usr-ldscript
 
 if [[ ${PV} = 9999* ]] ; then
 	EGIT_REPO_URI="https://github.com/systemd/systemd.git"
@@ -22,14 +22,21 @@ else
 	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86"
 fi
 
+# musl patches taken from:
+# http://cgit.openembedded.org/openembedded-core/tree/meta/recipes-core/systemd/systemd
+SRC_URI+="
+	elibc_musl? (
+		https://dev.gentoo.org/~gyakovlev/distfiles/systemd-musl-patches-${PV}.1-r0.tar.xz
+		https://dev.gentoo.org/~soap/distfiles/systemd-musl-patches-${PV}.1-r0.tar.xz
+	)"
+
 DESCRIPTION="Linux dynamic and persistent device naming support (aka userspace devfs)"
 HOMEPAGE="https://www.freedesktop.org/wiki/Software/systemd"
 
 LICENSE="LGPL-2.1 MIT GPL-2"
 SLOT="0"
-IUSE="acl +kmod selinux static-libs"
-
-RESTRICT="test"
+IUSE="acl +kmod selinux static-libs test"
+RESTRICT="!test? ( test )"
 
 BDEPEND="
 	dev-util/gperf
@@ -42,6 +49,7 @@ BDEPEND="
 	dev-libs/libxslt
 	${PYTHON_DEPS}
 	$(python_gen_any_dep 'dev-python/jinja[${PYTHON_USEDEP}]')
+	test? ( app-text/tree )
 "
 COMMON_DEPEND="
 	>=sys-apps/util-linux-2.30[${MULTILIB_USEDEP}]
@@ -100,8 +108,11 @@ pkg_setup() {
 
 src_prepare() {
 	local PATCHES=(
+		# backport from 250 to silence musl warnings
+		"${FILESDIR}/249-sys-include-posix.patch"
 		"${FILESDIR}/249-libudev-static.patch"
 	)
+	use elibc_musl && PATCHES+=( "${WORKDIR}"/musl-patches )
 
 	default
 }
@@ -120,6 +131,7 @@ multilib_src_configure() {
 		# Prevent automagic deps
 		-Dgcrypt=false
 		-Dlibcryptsetup=false
+		-Didn=false
 		-Dlibidn=false
 		-Dlibidn2=false
 		-Dlibiptc=false
@@ -128,6 +140,12 @@ multilib_src_configure() {
 		-Dlz4=false
 		-Dxz=false
 	)
+	use elibc_musl && emesonargs+=(
+		-Dgshadow=false
+		-Dsmack=false
+		-Dutmp=false
+	)
+
 	meson_src_configure
 }
 
@@ -135,6 +153,9 @@ src_configure() {
 	# Prevent conflicts with i686 cross toolchain, bug 559726
 	tc-export AR CC NM OBJCOPY RANLIB
 	python_setup
+
+	use elibc_musl && append-cppflags -D__UAPI_DEF_ETHHDR=0
+
 	multilib-minimal_src_configure
 }
 
@@ -172,6 +193,39 @@ multilib_src_compile() {
 	eninja "${targets[@]}"
 }
 
+multilib_src_test() {
+	# The testsuite is *very* finicky. Don't try running it in
+	# containers or anything but a full VM or on bare metal.
+	# udev calls 'mknod' a number of times, and this interacts
+	# badly with kernel namespaces.
+
+	if has userpriv ${FEATURES}; then
+		ewarn "\'FEATURES=userpriv\' detected"
+		ewarn "udev tests need to run under uid 0"
+		ewarn "Skipping tests"
+	elif has usersandbox ${FEATURES}; then
+		ewarn "\'FEATURES=usersandbox\' detected"
+		ewarn "udev tests needs full access to /dev"
+		ewarn "Skipping tests"
+	elif has sandbox ${FEATURES}; then
+		ewarn "\'FEATURES=sandbox\' detected"
+		ewarn "udev tests needs full access to /dev"
+		ewarn "Skipping tests"
+	else
+		einfo Running tests
+
+		# two binaries required by udev-test.pl
+		eninja systemd-detect-virt test-udev
+		local -x PATH="${PWD}:${PATH}"
+
+		# prepare ${BUILD_DIR}/test/sys, required by udev-test.pl
+		"${EPYTHON}" "${S}"/test/sys-script.py test || die
+
+		# the perl script contains all the udev tests
+		"${S}"/test/udev-test.pl || die
+	fi
+}
+
 multilib_src_install() {
 	local libudev=$(readlink libudev.so.1)