m4: Introduce STABLE_ORDERING_JANSSON

Add a second check for Jansson >= 2.8, which includes
fixes to preserve ordering of object keys.

Use this constant to guard tests that depend on stable ordering.
Signed-off-by: NJán Tomko <jtomko@redhat.com>

m4/virt-jansson.m4

@@ -22,6 +22,9 @@ AC_DEFUN([LIBVIRT_ARG_JANSSON],[
 AC_DEFUN([LIBVIRT_CHECK_JANSSON],[
   dnl Jansson http://www.digip.org/jansson/
   LIBVIRT_CHECK_PKG([JANSSON], [jansson], [2.5])
+  dnl Older versions of Jansson did not preserve the order of object keys
+  dnl use this check to guard the tests that are sensitive to this
+  LIBVIRT_CHECK_PKG([STABLE_ORDERING_JANSSON], [jansson], [2.8], [true])
 ])
 
 AC_DEFUN([LIBVIRT_RESULT_JANSSON],[

tests/qemublocktest.c

@@ -337,6 +337,11 @@ mymain(void)
     char *capslatest_x86_64 = NULL;
     virQEMUCapsPtr caps_x86_64 = NULL;
 
+#if !WITH_STABLE_ORDERING_JANSSON
+    fputs("libvirt not compiled with recent enough Jansson, skipping this test\n", stderr);
+    return EXIT_AM_SKIP;
+#endif
+
     if (qemuTestDriverInit(&driver) < 0)
         return EXIT_FAILURE;
 

tests/qemucapabilitiestest.c

@@ -141,6 +141,11 @@ mymain(void)
     int ret = 0;
     testQemuData data;
 
+#if !WITH_STABLE_ORDERING_JANSSON
+    fputs("libvirt not compiled with recent enough Jansson, skipping this test\n", stderr);
+    return EXIT_AM_SKIP;
+#endif
+
 #if !WITH_JANSSON
     fputs("libvirt not compiled with JSON support, skipping this test\n", stderr);
     return EXIT_AM_SKIP;

tests/qemucommandutiltest.c

@@ -76,6 +76,11 @@ mymain(void)
     int ret = 0;
     testQemuCommandBuildObjectFromJSONData data1;
 
+#if !WITH_STABLE_ORDERING_JANSSON
+    fputs("libvirt not compiled with recent enough Jansson, skipping this test\n", stderr);
+    return EXIT_AM_SKIP;
+#endif
+
 #if !WITH_JANSSON
     fputs("libvirt not compiled with JSON support, skipping this test\n", stderr);
     return EXIT_AM_SKIP;

tests/qemuhotplugtest.c

@@ -589,6 +589,11 @@ mymain(void)
     struct qemuHotplugTestData data = {0};
     struct testQemuHotplugCpuParams cpudata;
 
+#if !WITH_STABLE_ORDERING_JANSSON
+    fputs("libvirt not compiled with recent enough Jansson, skipping this test\n", stderr);
+    return EXIT_AM_SKIP;
+#endif
+
 #if !WITH_JANSSON
     fputs("libvirt not compiled with JSON support, skipping this test\n", stderr);
     return EXIT_AM_SKIP;

tests/qemumigparamstest.c

@@ -203,6 +203,11 @@ mymain(void)
     virQEMUDriver driver;
     int ret = 0;
 
+#if !WITH_STABLE_ORDERING_JANSSON
+    fputs("libvirt not compiled with recent enough Jansson, skipping this test\n", stderr);
+    return EXIT_AM_SKIP;
+#endif
+
 #if !WITH_JANSSON
     fputs("libvirt not compiled with JSON support, skipping this test\n", stderr);
     return EXIT_AM_SKIP;

tests/qemumonitorjsontest.c

@@ -2863,6 +2863,11 @@ mymain(void)
     virJSONValuePtr metaschema = NULL;
     char *metaschemastr = NULL;
 
+#if !WITH_STABLE_ORDERING_JANSSON
+    fputs("libvirt not compiled with recent enough Jansson, skipping this test\n", stderr);
+    return EXIT_AM_SKIP;
+#endif
+
 #if !WITH_JANSSON
     fputs("libvirt not compiled with JSON support, skipping this test\n", stderr);
     return EXIT_AM_SKIP;

tests/virjsontest.c

@@ -479,6 +479,11 @@ mymain(void)
 {
     int ret = 0;
 
+#if !WITH_STABLE_ORDERING_JANSSON
+    fputs("libvirt not compiled with recent enough Jansson, skipping this test\n", stderr);
+    return EXIT_AM_SKIP;
+#endif
+
 #define DO_TEST_FULL(name, cmd, doc, expect, pass) \
     do { \
         struct testInfo info = { doc, expect, pass }; \

tests/virmacmaptest.c

@@ -157,6 +157,11 @@ mymain(void)
     int ret = 0;
     virMacMapPtr mgr = NULL;
 
+#if !WITH_STABLE_ORDERING_JANSSON
+    fputs("libvirt not compiled with recent enough Jansson, skipping this test\n", stderr);
+    return EXIT_AM_SKIP;
+#endif
+
 #define DO_TEST_BASIC(f, d, ...) \
     do { \
         const char * const m[] = {__VA_ARGS__, NULL }; \

tests/virnetdaemontest.c

@@ -375,6 +375,11 @@ mymain(void)
     int ret = 0;
     const char *server_names[] = { "testServer0", "testServer1" };
 
+# if !WITH_STABLE_ORDERING_JANSSON
+    fputs("libvirt not compiled with recent enough Jansson, skipping this test\n", stderr);
+    return EXIT_AM_SKIP;
+# endif
+
     if (virInitialize() < 0 ||
         virEventRegisterDefaultImpl() < 0) {
         virDispatchError(NULL);