diff -u -ur Makefile Makefile
--- Makefile	2025-08-18 02:35:38 +0200
+++ Makefile	2025-09-05 14:34:43 +0200
@@ -3933,7 +3933,7 @@
 $(UNIT_TEST_DIR)/clar/clar.o: $(UNIT_TEST_DIR)/clar.suite
 $(CLAR_TEST_OBJS): $(UNIT_TEST_DIR)/clar-decls.h
 $(CLAR_TEST_OBJS): EXTRA_CPPFLAGS = -I$(UNIT_TEST_DIR)
-$(CLAR_TEST_PROG): $(UNIT_TEST_DIR)/clar.suite $(CLAR_TEST_OBJS) $(GITLIBS) GIT-LDFLAGS
+$(CLAR_TEST_PROG): $(UNIT_TEST_DIR)/clar.suite $(CLAR_TEST_OBJS) $(COMPAT_OBJS) $(GITLIBS) GIT-LDFLAGS
 	$(call mkdir_p_parent_template)
 	$(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(LIBS)
 
diff -u -ur t/unit-tests/clar/clar/sandbox.h git-2.51.0.patched/t/unit-tests/clar/clar/sandbox.h
--- t/unit-tests/clar/clar/sandbox.h	2025-08-18 02:35:38 +0200
+++ t/unit-tests/clar/clar/sandbox.h	2025-09-05 14:10:52 +0200
@@ -2,6 +2,8 @@
 #include <sys/syslimits.h>
 #endif
 
+#include "../../../../compat/posix.h"
+
 static char _clar_path[4096 + 1];
 
 static int