configure.ac: don't let -lcgmanager end up in LIBS

AC_SEARCH_LIBS always places the library being queried into LIBS. We don't want that - we were only checking whether a function is available. Not everything (notably not init.lxc.static) needs to link against -lcgmanager. Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com> Acked-by: Stéphane Graber <stgraber@ubuntu.com>

configure.ac: don't let -lcgmanager end up in LIBS
ff838db6 · Serge Hallyn · Stéphane Graber · ee6dcf12 · ff838db6
Commit ff838db6 authored Jun 02, 2014 by Serge Hallyn Committed by Stéphane Graber Jun 04, 2014
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configure.ac configure.ac +2 -0

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--- a/configure.ac
+++ b/configure.ac
@@ -257,7 +257,9 @@ AM_COND_IF([ENABLE_CGMANAGER],
 	])
 AC_MSG_CHECKING(for get_pid_cgroup_abs_sync)
+save_LIBS=$LIBS
 AC_SEARCH_LIBS([cgmanager_get_pid_cgroup_abs_sync], [cgmanager], [have_abs_cgroups=yes], [have_abs_cgroups=no], [-lnih -lnih-dbus -ldbus-1])
+LIBS=$save_LIBS
 if test "x$have_abs_cgroups" = "xyes"; then
 	AC_DEFINE([HAVE_CGMANAGER_GET_PID_CGROUP_ABS_SYNC], 1, [Have cgmanager_get_pid_cgroup_abs_sync])
 	AC_MSG_RESULT([yes])