pkgsMusl.util-linuxMinimal: fix build (#507581)

pkgs/by-name/ut/util-linux/fix-musl-nsenter.patch

@@ -0,0 +1,25 @@
+From 126c850f74cbafd3af55a6f829308d7f63de4c7b Mon Sep 17 00:00:00 2001
+From: Aleksi Hannula <ahannula4+nixgit@gmail.com>
+Date: Tue, 7 Apr 2026 14:52:16 +0300
+Subject: [PATCH] nsenter: Fix AT_HANDLE_FID on musl
+
+---
+ sys-utils/nsenter.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/sys-utils/nsenter.c b/sys-utils/nsenter.c
+index e10ba9c..340e6b1 100644
+--- a/sys-utils/nsenter.c
++++ b/sys-utils/nsenter.c
+@@ -220,7 +220,7 @@ static int fill_nsfs_file_handle(struct file_handle *fh, uint64_t ns_id)
+ 
+ 	fh->handle_bytes = sizeof(struct nsfs_file_handle);
+ 	if (name_to_handle_at(nsfs_fd, "", fh, &mount_id,
+-			      AT_EMPTY_PATH | AT_HANDLE_FID) == -1)
++			      AT_EMPTY_PATH | 0x200 /* AT_HANDLE_FID */) == -1)
+ 		return -errno;
+ 	assert(fh->handle_type);
+ 	nsfs_fh_tmpl = *fh;
+-- 
+2.51.2
+

pkgs/by-name/ut/util-linux/package.nix

@@ -59,6 +59,11 @@ stdenv.mkDerivation (finalAttrs: {
     # Fix compile of 2.42+ on Darwin.
     # https://lore.kernel.org/util-linux/CAEUYr6ZjVX1bd-xcBGtFN_ZYwQnXDYsw7d1-7sTpF2BbgfrR+g@mail.gmail.com/T/#u
     ./include-correct-struct-statfs-header.patch
+  ]
+  ++ lib.optionals stdenv.hostPlatform.isMusl [
+    # Musl does not define AT_HANDLE_FID, hard-code it.
+    # https://github.com/util-linux/util-linux/pull/4203
+    ./fix-musl-nsenter.patch
   ];
 
   # We separate some of the utilities into their own outputs. This