From 1118b1912916924bbfa3fd4dced9dfed01fbf0e0 Mon Sep 17 00:00:00 2001
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From: Khem Raj <raj.khem@gmail.com>
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Date: Mon, 9 Mar 2020 09:44:33 -0700
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Subject: [PATCH] configure: Check for clock_gettime seprately from
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__NR_clock_gettime
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This helps prioritize using clock_gettime API from libc over syscall
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since direct use of __NR_clock_gettime is not time64-safe
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Upstream-Status: Pending
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Signed-off-by: Khem Raj <raj.khem@gmail.com>
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---
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configure.ac | 10 +++++++---
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1 file changed, 7 insertions(+), 3 deletions(-)
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--- a/configure.ac
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+++ b/configure.ac
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@@ -125,6 +125,10 @@ case $host in
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esac
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AC_CHECK_HEADERS(syscall.h sys/syscall.h mach/mach_time.h)
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+
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+AC_MSG_CHECKING([for clock_gettime])
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+AC_SEARCH_LIBS([clock_gettime], [rt], [AC_DEFINE([HAVE_CLOCK_GETTIME], [1], [use clock_gettime])],)
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+
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AC_MSG_CHECKING([for __NR_clock_gettime syscall])
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM(
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@@ -143,7 +147,6 @@ AC_COMPILE_IFELSE(
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],
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[
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AC_MSG_RESULT([no])
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- AC_SEARCH_LIBS([clock_gettime], [rt], [AC_DEFINE([HAVE_CLOCK_GETTIME], [1], [use clock_gettime])],)
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])
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AC_CHECK_HEADER(linux/netlink.h,
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