uutils-coreutils: add feat_systemd_logind

It allows commands such as "who" to work even when systemd is compiled without "utmp" support.

Signed-off-by: Etienne Cordonnier <ecordonnier@snap.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-core/uutils-coreutils/uutils-coreutils/0001-systemd_logind-replace-i8-with-libc-c_char.patch

@@ -0,0 +1,76 @@
+From f5b5a3dec5d77cca53423f21d2a7652f2b432aa6 Mon Sep 17 00:00:00 2001
+From: Etienne Cordonnier <ecordonnier@snap.com>
+Date: Tue, 9 Sep 2025 23:36:05 +0200
+Subject: [PATCH] systemd_logind: replace i8 with libc::c_char
+
+The C type "char" defaults to unsigned on arm linux, and signed on x86-64 linux. This causes some build errors in the systemd_logind ffi code when compiling for arm.
+
+Fixes https://github.com/uutils/coreutils/issues/8593
+
+Signed-off-by: Etienne Cordonnier <ecordonnier@snap.com>
+Upstream-Status: Backport [https://github.com/uutils/coreutils/commit/f5b5a3dec5d77cca53423f21d2a7652f2b432aa6]
+---
+ src/uucore/src/lib/features/systemd_logind.rs | 12 ++++++------
+ 1 file changed, 6 insertions(+), 6 deletions(-)
+
+diff --git a/src/uucore/src/lib/features/systemd_logind.rs b/src/uucore/src/lib/features/systemd_logind.rs
+index d2727c530..537cb1e3f 100644
+--- a/src/uucore/src/lib/features/systemd_logind.rs
++++ b/src/uucore/src/lib/features/systemd_logind.rs
+@@ -51,7 +51,7 @@ mod login {
+ 
+     /// Get all active sessions
+     pub fn get_sessions() -> Result<Vec<String>, Box<dyn std::error::Error>> {
+-        let mut sessions_ptr: *mut *mut i8 = ptr::null_mut();
++        let mut sessions_ptr: *mut *mut libc::c_char = ptr::null_mut();
+ 
+         let result = unsafe { ffi::sd_get_sessions(&mut sessions_ptr) };
+ 
+@@ -120,7 +120,7 @@ mod login {
+     /// Get TTY for a session
+     pub fn get_session_tty(session_id: &str) -> Result<Option<String>, Box<dyn std::error::Error>> {
+         let session_cstring = CString::new(session_id)?;
+-        let mut tty_ptr: *mut i8 = ptr::null_mut();
++        let mut tty_ptr: *mut libc::c_char = ptr::null_mut();
+ 
+         let result = unsafe { ffi::sd_session_get_tty(session_cstring.as_ptr(), &mut tty_ptr) };
+ 
+@@ -149,7 +149,7 @@ mod login {
+         session_id: &str,
+     ) -> Result<Option<String>, Box<dyn std::error::Error>> {
+         let session_cstring = CString::new(session_id)?;
+-        let mut host_ptr: *mut i8 = ptr::null_mut();
++        let mut host_ptr: *mut libc::c_char = ptr::null_mut();
+ 
+         let result =
+             unsafe { ffi::sd_session_get_remote_host(session_cstring.as_ptr(), &mut host_ptr) };
+@@ -179,7 +179,7 @@ mod login {
+         session_id: &str,
+     ) -> Result<Option<String>, Box<dyn std::error::Error>> {
+         let session_cstring = CString::new(session_id)?;
+-        let mut display_ptr: *mut i8 = ptr::null_mut();
++        let mut display_ptr: *mut libc::c_char = ptr::null_mut();
+ 
+         let result =
+             unsafe { ffi::sd_session_get_display(session_cstring.as_ptr(), &mut display_ptr) };
+@@ -209,7 +209,7 @@ mod login {
+         session_id: &str,
+     ) -> Result<Option<String>, Box<dyn std::error::Error>> {
+         let session_cstring = CString::new(session_id)?;
+-        let mut type_ptr: *mut i8 = ptr::null_mut();
++        let mut type_ptr: *mut libc::c_char = ptr::null_mut();
+ 
+         let result = unsafe { ffi::sd_session_get_type(session_cstring.as_ptr(), &mut type_ptr) };
+ 
+@@ -238,7 +238,7 @@ mod login {
+         session_id: &str,
+     ) -> Result<Option<String>, Box<dyn std::error::Error>> {
+         let session_cstring = CString::new(session_id)?;
+-        let mut seat_ptr: *mut i8 = ptr::null_mut();
++        let mut seat_ptr: *mut libc::c_char = ptr::null_mut();
+ 
+         let result = unsafe { ffi::sd_session_get_seat(session_cstring.as_ptr(), &mut seat_ptr) };
+ 
+-- 
+2.43.0
+

meta-oe/recipes-core/uutils-coreutils/uutils-coreutils_0.2.0.bb

@@ -7,7 +7,10 @@ LIC_FILES_CHKSUM = "file://LICENSE;md5=e74349878141b240070458d414ab3b64"
 
 inherit cargo cargo-update-recipe-crates
 
-SRC_URI = "git://github.com/uutils/coreutils.git;protocol=https;branch=main"
+SRC_URI = " \
+    git://github.com/uutils/coreutils.git;protocol=https;branch=main \
+    file://0001-systemd_logind-replace-i8-with-libc-c_char.patch \
+"
 
 SRCREV = "38a248cba6ddf72a453a79365cd919fa40783a44"
 
@@ -16,8 +19,9 @@ require ${BPN}-crates.inc
 PROVIDES = "coreutils"
 RPROVIDES:${PN} = "coreutils"
 
-PACKAGECONFIG ?= "${@bb.utils.filter('DISTRO_FEATURES', 'selinux', d)}"
+PACKAGECONFIG ?= "${@bb.utils.filter('DISTRO_FEATURES', 'selinux systemd', d)}"
 PACKAGECONFIG[selinux] = "--features feat_selinux,,clang-native libselinux-native libselinux"
+PACKAGECONFIG[systemd] = "--features feat_systemd_logind,,systemd"
 
 CARGO_BUILD_FLAGS += "--features unix --features feat_external_libstdbuf"