commit a2f696fa5c735bb66f67b1bb9f0ad5a2a36cafb3
author Alexander Couzens <lynxis@fe80.eu> Tue Apr 24 16:15:23 2018 +0200
committer Harald Welte <laforge@gnumonks.org> Mon Dec 03 13:52:29 2018 +0000
tree b8887cd609d58e3e1aa9d65275211482a645a435
parent f69aa9cb6a3e2174a12fa2864b4869485d0c917a

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

diff --git a/configure.ac b/configure.ac
index bc3358a..4a00e69 100644
--- a/configure.ac
+++ b/configure.ac
@@ -68,6 +68,10 @@
 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],