--- a/test/test-real-pgn.c	Mon Aug 24 16:13:51 2026 +0200
+++ b/test/test-real-pgn.c	Tue Aug 25 18:35:18 2026 +0200
@@ -31,8 +31,13 @@
 #include "chess/pgn.h"
 
 #if __STDC_VERSION__ < 202310L
-#error Need C23 compiler to compile this test.
-#endif
+/* since #warning is also a C23 feature, the only hope is this: */
+#pragma GCC warning "Need at least a C23 compiler to compile test-real-pgn.c"
+CxTestSuite* test_real_pgn_suite(void) {
+    CxTestSuite* suite = cx_test_suite_new("Skip testing real PGN Files");
+    return suite;
+}
+#else
 
 const char pgn_data[150][1500];
 
@@ -858,3 +863,5 @@
         , '\0'
     },
 };
+
+#endif /* C23 compiler */