Some versions of Linux don't provide linux/kcmp.h.   In this case, attempting
to build lsfd produces an error. Suppress building of lsfd.

Index: util-linux-2.39.2/meson.build
===================================================================
--- util-linux-2.39.2.orig/meson.build
+++ util-linux-2.39.2/meson.build
@@ -2595,17 +2595,20 @@ if not is_disabler(exe)
   bashcompletions += ['lsblk']
 endif
 
-exe = executable(
-  'lsfd',
-  lsfd_sources,
-  include_directories : includes,
-  link_with : [lib_common,
-               lib_smartcols],
-  install_dir : usrbin_exec_dir,
-  install : true)
-if not is_disabler(exe)
-  exes += exe
-  manadocs += ['misc-utils/lsfd.1.adoc']
+have = cc.has_header('linux/kcmp.h')
+if have
+  exe = executable(
+    'lsfd',
+    lsfd_sources,
+    include_directories : includes,
+    link_with : [lib_common,
+                 lib_smartcols],
+    install_dir : usrbin_exec_dir,
+    install : true)
+  if not is_disabler(exe)
+    exes += exe
+    manadocs += ['misc-utils/lsfd.1.adoc']
+  endif
 endif
 
 exe = executable(