[chrony-dev] [PATCH] sys_linux: fix build with older kernel headers

[Baruch Siach <baruch@xxxxxxxxxx>]

The renameat2 system call was introduced in kernel version 3.15. Fix
build against older headers.
---
 sys_linux.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys_linux.c b/sys_linux.c
index 0b24445e173d..202da845edac 100644
--- a/sys_linux.c
+++ b/sys_linux.c
@@ -547,7 +547,9 @@ SYS_Linux_EnableSystemCallFilter(int level, SYS_ProcessContext context)
     SCMP_SYS(readlinkat),
     SCMP_SYS(rename),
     SCMP_SYS(renameat),
+#ifdef __NR_renameat2
     SCMP_SYS(renameat2),
+#endif
     SCMP_SYS(stat),
     SCMP_SYS(stat64),
     SCMP_SYS(statfs),
-- 
2.29.2


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