Andrew Geissler | 7e0e3c0 | 2022-02-25 20:34:39 +0000 | [diff] [blame^] | 1 | From 93e7e25a10c890b8c8cd06cbfd78175c30999d31 Mon Sep 17 00:00:00 2001 |
Andrew Geissler | 82c905d | 2020-04-13 13:39:40 -0500 | [diff] [blame] | 2 | From: Khem Raj <raj.khem@gmail.com> |
| 3 | Date: Mon, 9 Mar 2020 09:44:33 -0700 |
| 4 | Subject: [PATCH] configure: Check for clock_gettime seprately from |
| 5 | __NR_clock_gettime |
| 6 | |
| 7 | This helps prioritize using clock_gettime API from libc over syscall |
| 8 | since direct use of __NR_clock_gettime is not time64-safe |
| 9 | |
| 10 | Upstream-Status: Pending |
| 11 | Signed-off-by: Khem Raj <raj.khem@gmail.com> |
Andrew Geissler | 82c905d | 2020-04-13 13:39:40 -0500 | [diff] [blame] | 12 | |
Andrew Geissler | 7e0e3c0 | 2022-02-25 20:34:39 +0000 | [diff] [blame^] | 13 | --- |
| 14 | configure.ac | 4 ++++ |
| 15 | 1 file changed, 4 insertions(+) |
| 16 | |
| 17 | diff --git a/configure.ac b/configure.ac |
| 18 | index 3d218ea..aa7dd1c 100644 |
Andrew Geissler | 82c905d | 2020-04-13 13:39:40 -0500 | [diff] [blame] | 19 | --- a/configure.ac |
| 20 | +++ b/configure.ac |
Andrew Geissler | 7e0e3c0 | 2022-02-25 20:34:39 +0000 | [diff] [blame^] | 21 | @@ -127,6 +127,10 @@ case $host in |
Andrew Geissler | 82c905d | 2020-04-13 13:39:40 -0500 | [diff] [blame] | 22 | esac |
| 23 | |
| 24 | AC_CHECK_HEADERS(syscall.h sys/syscall.h mach/mach_time.h) |
| 25 | + |
| 26 | +AC_MSG_CHECKING([for clock_gettime]) |
| 27 | +AC_SEARCH_LIBS([clock_gettime], [rt], [AC_DEFINE([HAVE_CLOCK_GETTIME], [1], [use clock_gettime])],) |
| 28 | + |
| 29 | AC_MSG_CHECKING([for __NR_clock_gettime syscall]) |
| 30 | AC_COMPILE_IFELSE( |
| 31 | [AC_LANG_PROGRAM( |