From ef0f848a67fdd0a0dab135acbd1cd7fa0179a95c Mon Sep 17 00:00:00 2001
From: Shreenidhi Shedi <sshedi@vmware.com>
Date: Mon, 9 Aug 2021 10:25:35 +0530
Subject: [PATCH] fix(install): improve gettid definition

Signed-off-by: Shreenidhi Shedi <sshedi@vmware.com>
---
 src/install/util.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/install/util.c b/src/install/util.c
index bd17fe7f5..5721de89e 100644
--- a/src/install/util.c
+++ b/src/install/util.c
@@ -24,14 +24,17 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <sys/types.h>
-#include <sys/syscall.h>
 
 #include "util.h"
 
-static inline pid_t gettid(void)
-{
-        return (pid_t) syscall(SYS_gettid);
-}
+#if __GLIBC_PREREQ(2, 30) == 0
+#include <sys/syscall.h>
+#ifndef SYS_gettid
+#error "SYS_gettid unavailable on this system"
+#endif
+
+#define gettid()    ((pid_t) syscall(SYS_gettid))
+#endif /*__GLIBC_PREREQ */
 
 size_t page_size(void)
 {
-- 
2.47.3