qemu-ga: check if utmpx.h is available on the system
Commit 161a56a9065 added command guest-get-users and requires the
utmpx.h (defined by POSIX) to work. It is however not always available
(e.g. on OpenBSD) therefor a check for its existence is necessary.
Signed-off-by: Tomáš Golembiovský <tgolembi@redhat.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
diff --git a/qga/commands-posix.c b/qga/commands-posix.c
index d8e4122..e7a047e 100644
--- a/qga/commands-posix.c
+++ b/qga/commands-posix.c
@@ -15,7 +15,6 @@
#include <sys/ioctl.h>
#include <sys/wait.h>
#include <dirent.h>
-#include <utmpx.h>
#include "qga/guest-agent-core.h"
#include "qga-qmp-commands.h"
#include "qapi/qmp/qerror.h"
@@ -25,6 +24,10 @@
#include "qemu/base64.h"
#include "qemu/cutils.h"
+#ifdef HAVE_UTMPX
+#include <utmpx.h>
+#endif
+
#ifndef CONFIG_HAS_ENVIRON
#ifdef __APPLE__
#include <crt_externs.h>
@@ -2519,6 +2522,8 @@
#endif
}
+#ifdef HAVE_UTMPX
+
#define QGA_MICRO_SECOND_TO_SECOND 1000000
static double ga_get_login_time(struct utmpx *user_info)
@@ -2577,3 +2582,13 @@
g_hash_table_destroy(cache);
return head;
}
+
+#else
+
+GuestUserList *qmp_guest_get_users(Error **errp)
+{
+ error_setg(errp, QERR_UNSUPPORTED);
+ return NULL;
+}
+
+#endif
