libbb: compile capability code only if FEATURE_SETPRIV_CAPABILITIES or RUN_INIT

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/util-linux/switch_root.c b/util-linux/switch_root.c
index 2d1802b79..947dd0cdc 100644
--- a/util-linux/switch_root.c
+++ b/util-linux/switch_root.c
@@ -39,6 +39,12 @@
 #include <sys/mount.h>
 #if ENABLE_RUN_INIT
 # include <sys/prctl.h>
+# ifndef PR_CAPBSET_READ
+# define PR_CAPBSET_READ 23
+# endif
+# ifndef PR_CAPBSET_DROP
+# define PR_CAPBSET_DROP 24
+# endif
 # include <linux/capability.h>
 // #include <sys/capability.h>
 // This header is in libcap, but the functions are in libc.