File autofs-5-1-2-build-check-for-clock_gettime-in-librt.patch of Package autofs.6209

From: Gustavo Zacarias <gustavo@zacarias.com.ar>
Subject: autofs-5.1.2 - build: check for clock_gettime in librt
Git-repo: git://git.kernel.org/pub/scm/linux/storage/autofs/autofs.git
Git-commit: 52a697a7e6fd31a27030f3d1b1c4e572b1123148
Patch-mainline: 5.1.3
References: bsc#1046493

Glibc versions older than 2.17 define clock_gettime() in librt, so add a
check for this.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Ian Kent <raven@themaw.net>
Acked-by: Jeff Mahoney <jeffm@suse.com>
---
 Makefile.conf.in |    3 +++
 Makefile.rules   |    2 ++
 configure.in     |    4 ++++
 3 files changed, 9 insertions(+)

--- a/Makefile.conf.in
+++ b/Makefile.conf.in
@@ -11,6 +11,9 @@
 DAEMON_CFLAGS  = @DAEMON_CFLAGS@
 DAEMON_LDFLAGS = @DAEMON_LDFLAGS@
 
+# Glibc < 2.17 requires librt for clock_gettime()
+LIBCLOCK_GETTIME = @LIBCLOCK_GETTIME@
+
 # Special parameters for glibc (libc 6)
 LIBNSL    = @LIBNSL@
 LIBRESOLV = @LIBRESOLV@
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -56,6 +56,8 @@ endif
 
 LIBS += $(LIBNSL)
 
+LIBS += $(LIBCLOCK_GETTIME)
+
 # Standard rules
 
 .SUFFIXES: .c .o .s .so
--- a/configure.in
+++ b/configure.in
@@ -177,6 +177,10 @@ if test "$ac_cv_search_versionsort" = "n
 		[Define if your C library does not provide versionsort])
 fi
 
+# glibc < 2.17 needs librt for clock_gettime()
+AC_CHECK_LIB(rt, clock_gettime, LIBCLOCK_GETTIME="-lrt")
+AC_SUBST(LIBCLOCK_GETTIME)
+
 #
 # glibc/libc 6 new libraries
 #