diff -rupN gdal-3.5.3-fedora/port/vsipreload.cpp gdal-3.5.3-fedora-new/port/vsipreload.cpp
--- gdal-3.5.3-fedora/port/vsipreload.cpp	2022-10-21 16:57:18.000000000 +0200
+++ gdal-3.5.3-fedora-new/port/vsipreload.cpp	2022-11-01 11:11:12.423024266 +0100
@@ -46,6 +46,17 @@
 // LD_PRELOAD=./vsipreload.so ls -al /vsicurl/http://download.osgeo.org/gdal/data/sqlite3
 // LD_PRELOAD=./vsipreload.so find /vsicurl/http://download.osgeo.org/gdal/data/sqlite3
 
+
+/*
+ * We need to export open* etc., but _FORTIFY_SOURCE defines conflicting
+ * always_inline versions. Disable _FORTIFY_SOURCE for this file, so we
+ * can define our overrides.
+ */
+#ifdef _FORTIFY_SOURCE
+#undef _FORTIFY_SOURCE
+#endif
+
+
 #define _GNU_SOURCE 1
 #define _LARGEFILE64_SOURCE 1
 #include <stdio.h>