Index: libqpdf/QUtil.cc
--- libqpdf/QUtil.cc.orig	2025-05-04 18:40:46.000000000 +0200
+++ libqpdf/QUtil.cc	2025-05-05 10:43:05.561769000 +0200
@@ -893,7 +893,7 @@
 # else
     ltime = *localtime(&now);
 # endif
-# if HAVE_TM_GMTOFF
+# if HAVE_EXTERN_TM_GMTOFF
     // tm_gmtoff is seconds after UTC
     int tzoff = -static_cast<int>(ltime.tm_gmtoff / 60);
 # elif HAVE_EXTERN_LONG_TIMEZONE
Index: libqpdf/qpdf/qpdf-config.h.in
--- libqpdf/qpdf/qpdf-config.h.in.orig	2025-05-04 18:40:46.000000000 +0200
+++ libqpdf/qpdf/qpdf-config.h.in	2025-05-05 10:43:05.561930000 +0200
@@ -21,7 +21,7 @@
 #cmakedefine HAVE_FSEEKO64 1
 #cmakedefine HAVE_LOCALTIME_R 1
 #cmakedefine HAVE_RANDOM 1
-#cmakedefine HAVE_TM_GMTOFF 1
+#cmakedefine HAVE_EXTERN_TM_GMTOFF 1
 #cmakedefine HAVE_MALLOC_INFO 1
 #cmakedefine HAVE_OPEN_MEMSTREAM 1
 
