From a2f696fa5c735bb66f67b1bb9f0ad5a2a36cafb3 Mon Sep 17 00:00:00 2001
From: Alexander Couzens <lynxis@fe80.eu>
Date: Tue, 24 Apr 2018 16:15:23 +0200
Subject: configure.ac: check clock_gettime for glib < 2.17

glib < 2.17 doesn't support clock_gettime directly, it is available
via librt.

Change-Id: Ice853d85ffe859b1d4df48b91b050c24d85c861b
---
 configure.ac | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index bc3358a0..4a00e695 100644
--- a/configure.ac
+++ b/configure.ac
@@ -68,6 +68,10 @@ AC_SUBST(LIBRARY_DLSYM)
 AC_CHECK_LIB(execinfo, backtrace, BACKTRACE_LIB=-lexecinfo, BACKTRACE_LIB=)
 AC_SUBST(BACKTRACE_LIB)
 
+# check for old glibc < 2.17 to get clock_gettime
+AC_SEARCH_LIBS([clock_gettime], [rt posix4], [LIBRARY_RT="$LIBS";LIBS=""])
+AC_SUBST(LIBRARY_RT)
+
 AC_ARG_ENABLE(doxygen,
 	[AS_HELP_STRING(
 		[--disable-doxygen],
-- 
cgit v1.2.3