Some versions of Linux don't provide linux/pr.h.  In this case, attempting
to build blkpr produces an error. Suppress building of blkpr.
 
Index: util-linux-2.39.2/meson.build
===================================================================
--- util-linux-2.39.2.orig/meson.build
+++ util-linux-2.39.2/meson.build
@@ -1491,15 +1491,18 @@ if have
   bashcompletions += ['blkzone']
 endif
 
-exe = executable(
-  'blkpr',
-  blkpr_sources,
-  include_directories : includes,
-  link_with : [lib_common],
-  install_dir : sbindir,
-  install : true)
-exes += exe
-manadocs += ['sys-utils/blkpr.8.adoc']
+have = cc.has_header('linux/pr.h')
+if have
+  exe = executable(
+    'blkpr',
+    blkpr_sources,
+    include_directories : includes,
+    link_with : [lib_common],
+    install_dir : sbindir,
+    install : true)
+  exes += exe
+  manadocs += ['sys-utils/blkpr.8.adoc']
+endif
 
 exe = executable(
   'ldattach',