util: Provide empty nvme_ipaddrs_eq for static builds

Static builds can't use netdb functions, they are only available when
linking dynamically against glibc.

Signed-off-by: Daniel Wagner <[email protected]>

Author: dwsuse

src/nvme/util.c

@@ -905,7 +905,9 @@ int nvme_uuid_random(unsigned char uuid[NVME_UUID_LEN])
 	return 0;
 }
 
-bool nvme_ipaddrs_eq(const char *addr1, const char *addr2) {
+#ifdef HAVE_NETDB
+bool nvme_ipaddrs_eq(const char *addr1, const char *addr2)
+{
 	bool result = false;
 	struct addrinfo *info1 = NULL, hint1 = { .ai_flags=AI_NUMERICHOST, .ai_family=AF_UNSPEC };
 	struct addrinfo *info2 = NULL, hint2 = { .ai_flags=AI_NUMERICHOST, .ai_family=AF_UNSPEC };
@@ -961,4 +963,12 @@ bool nvme_ipaddrs_eq(const char *addr1, const char *addr2) {
 		freeaddrinfo(info2);
 	return result;
 }
+#else /* HAVE_NETDB */
+bool nvme_ipaddrs_eq(const char *addr1, const char *addr2)
+{
+	nvme_msg(NULL, LOG_ERR, "no support for hostname ip address resolution; " \
+		"recompile with libnss support.\n");
 
+	return false;
+}
+#endif /* HAVE_NETDB */

test/meson.build

@@ -66,20 +66,22 @@ uuid = executable(
 
 test('uuid', uuid)
 
-tree = executable(
-    'tree',
-    ['tree.c'],
-    dependencies: libnvme_dep,
-    include_directories: [incdir, internal_incdir]
-)
+if conf.get('HAVE_NETDB')
+    tree = executable(
+        'tree',
+        ['tree.c'],
+        dependencies: libnvme_dep,
+        include_directories: [incdir, internal_incdir]
+    )
 
-test('tree', tree)
+    test('tree', tree)
 
-test_util = executable(
-    'test-util',
-    ['test-util.c'],
-    include_directories: [incdir, internal_incdir]
-)
-test('Test util.c', test_util)
+    test_util = executable(
+        'test-util',
+        ['test-util.c'],
+        include_directories: [incdir, internal_incdir]
+    )
+    test('Test util.c', test_util)
+endif
 
 subdir('nbft')