thodg/libgit2

diff --git a/src/odb.c b/src/odb.c
index deb9d5c..7a718f5 100644
--- a/src/odb.c
+++ b/src/odb.c
@@ -53,7 +53,7 @@ static int load_alternates(git_odb *odb, const char *objects_dir, int alternate_
 int git_odb__format_object_header(char *hdr, size_t n, git_off_t obj_len, git_otype obj_type)
 {
 	const char *type_str = git_object_type2string(obj_type);
-	int len = p_snprintf(hdr, n, "%s %"PRIuZ, type_str, obj_len);
+	int len = p_snprintf(hdr, n, "%s %lld", type_str, obj_len);
 	assert(len > 0 && len <= (int)n);
 	return len+1;
 }
diff --git a/src/transports/cred.c b/src/transports/cred.c
index 006cd2c..044b2a2 100644
--- a/src/transports/cred.c
+++ b/src/transports/cred.c
@@ -209,6 +209,12 @@ int git_cred_ssh_key_memory_new(
 		passphrase,
 		GIT_CREDTYPE_SSH_MEMORY);
 #else
+	GIT_UNUSED(cred);
+	GIT_UNUSED(username);
+	GIT_UNUSED(publickey);
+	GIT_UNUSED(privatekey);
+	GIT_UNUSED(passphrase);
+
 	giterr_set(GITERR_INVALID,
 		"This version of libgit2 was not built with ssh memory credentials.");
 	return -1;
diff --git a/tests/core/path.c b/tests/core/path.c
index 7d3e493..c3e622f 100644
--- a/tests/core/path.c
+++ b/tests/core/path.c
@@ -492,7 +492,7 @@ void test_core_path__13_cannot_prettify_a_non_existing_file(void)
 {
 	git_buf p = GIT_BUF_INIT;
 
-	cl_must_pass(git_path_exists(NON_EXISTING_FILEPATH) == false);
+	cl_assert_equal_b(git_path_exists(NON_EXISTING_FILEPATH), false);
 	cl_assert_equal_i(GIT_ENOTFOUND, git_path_prettify(&p, NON_EXISTING_FILEPATH, NULL));
 	cl_assert_equal_i(GIT_ENOTFOUND, git_path_prettify(&p, NON_EXISTING_FILEPATH "/so-do-i", NULL));
 
diff --git a/tests/diff/index.c b/tests/diff/index.c
index a544b83..cf883f1 100644
--- a/tests/diff/index.c
+++ b/tests/diff/index.c
@@ -168,7 +168,7 @@ static void do_conflicted_diff(diff_expects *exp, unsigned long flags)
 	const char *a_commit = "26a125ee1bf"; /* the current HEAD */
 	git_tree *a = resolve_commit_oid_to_tree(g_repo, a_commit);
 	git_diff_options opts = GIT_DIFF_OPTIONS_INIT;
-	git_index_entry ancestor = {0}, ours = {0}, theirs = {0};
+	git_index_entry ancestor = {{0}}, ours = {{0}}, theirs = {{0}};
 	git_diff *diff = NULL;
 	git_index *index;
 
diff --git a/tests/diff/workdir.c b/tests/diff/workdir.c
index 460f1b5..65005f9 100644
--- a/tests/diff/workdir.c
+++ b/tests/diff/workdir.c
@@ -73,7 +73,7 @@ void test_diff_workdir__to_index_with_conflicts(void)
 	git_diff_options opts = GIT_DIFF_OPTIONS_INIT;
 	git_diff *diff = NULL;
 	git_index *index;
-	git_index_entry our_entry = {0}, their_entry = {0};
+	git_index_entry our_entry = {{0}}, their_entry = {{0}};
 	diff_expects exp = {0};
 
 	g_repo = cl_git_sandbox_init("status");
diff --git a/tests/index/addall.c b/tests/index/addall.c
index 211e762..f344cc6 100644
--- a/tests/index/addall.c
+++ b/tests/index/addall.c
@@ -288,7 +288,6 @@ void test_index_addall__repo_lifecycle(void)
 void test_index_addall__files_in_folders(void)
 {
 	git_index *index;
-	git_strarray paths = { NULL, 0 };
 
 	addall_create_test_repo(true);
 
@@ -408,7 +407,7 @@ void test_index_addall__adds_conflicts(void)
 	cl_git_pass(git_reference_lookup(&ref, g_repo, "refs/heads/branch"));
 	cl_git_pass(git_annotated_commit_from_ref(&annotated, g_repo, ref));
 
-	cl_git_pass(git_merge(g_repo, &annotated, 1, NULL, NULL));
+	cl_git_pass(git_merge(g_repo, (const git_annotated_commit**)&annotated, 1, NULL, NULL));
 	check_status(g_repo, 0, 1, 2, 0, 0, 0, 0, 1);
 
 	cl_git_pass(git_index_add_all(index, NULL, 0, NULL, NULL));
@@ -433,7 +432,7 @@ void test_index_addall__removes_deleted_conflicted_files(void)
 	cl_git_pass(git_reference_lookup(&ref, g_repo, "refs/heads/branch"));
 	cl_git_pass(git_annotated_commit_from_ref(&annotated, g_repo, ref));
 
-	cl_git_pass(git_merge(g_repo, &annotated, 1, NULL, NULL));
+	cl_git_pass(git_merge(g_repo, (const git_annotated_commit**)&annotated, 1, NULL, NULL));
 	check_status(g_repo, 0, 1, 2, 0, 0, 0, 0, 1);
 
 	cl_git_rmfile("merge-resolve/conflicting.txt");
diff --git a/tests/stash/apply.c b/tests/stash/apply.c
index e9b56f8..c242536 100644
--- a/tests/stash/apply.c
+++ b/tests/stash/apply.c
@@ -254,6 +254,11 @@ int checkout_notify(
 {
 	struct seen_paths *seen_paths = (struct seen_paths *)payload;
 
+	GIT_UNUSED(why);
+	GIT_UNUSED(baseline);
+	GIT_UNUSED(target);
+	GIT_UNUSED(workdir);
+
 	if (strcmp(path, "what") == 0)
 		seen_paths->what = 1;
 	else if (strcmp(path, "how") == 0)
@@ -318,6 +323,8 @@ int aborting_progress_cb(
 	git_stash_apply_progress_t progress,
 	void *payload)
 {
+	GIT_UNUSED(payload);
+
 	if (progress == GIT_STASH_APPLY_PROGRESS_ANALYZE_MODIFIED)
 		return -44;
 
@@ -327,7 +334,6 @@ int aborting_progress_cb(
 void test_stash_apply__progress_cb_can_abort(void)
 {
 	git_stash_apply_options opts = GIT_STASH_APPLY_OPTIONS_INIT;
-	git_stash_apply_progress_t progress = GIT_STASH_APPLY_PROGRESS_NONE;
 
 	opts.progress_cb = aborting_progress_cb;
 
diff --git a/tests/status/worktree.c b/tests/status/worktree.c
index e272c0a..3b18ae6 100644
--- a/tests/status/worktree.c
+++ b/tests/status/worktree.c
@@ -649,10 +649,10 @@ void test_status_worktree__conflict_has_no_oid(void)
 {
 	git_repository *repo = cl_git_sandbox_init("status");
 	git_index *index;
-	git_index_entry entry = {0};
+	git_index_entry entry = {{0}};
 	git_status_list *statuslist;
 	const git_status_entry *status;
-	git_oid zero_id = {0};
+	git_oid zero_id = {{0}};
 
 	entry.mode = 0100644;
 	entry.path = "modified_file";