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From 93e7e25a10c890b8c8cd06cbfd78175c30999d31 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Mon, 9 Mar 2020 09:44:33 -0700
Subject: [PATCH] configure: Check for clock_gettime seprately from
__NR_clock_gettime
This helps prioritize using clock_gettime API from libc over syscall
since direct use of __NR_clock_gettime is not time64-safe
Upstream-Status: Pending
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
configure.ac | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/configure.ac b/configure.ac
index 3d218ea..aa7dd1c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -127,6 +127,10 @@ case $host in
esac
AC_CHECK_HEADERS(syscall.h sys/syscall.h mach/mach_time.h)
+
+AC_MSG_CHECKING([for clock_gettime])
+AC_SEARCH_LIBS([clock_gettime], [rt], [AC_DEFINE([HAVE_CLOCK_GETTIME], [1], [use clock_gettime])],)
+
AC_MSG_CHECKING([for __NR_clock_gettime syscall])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
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