diff -ur qemu-7.1.0.orig/configure qemu-7.1.0/configure
--- qemu-7.1.0.orig/configure	2022-09-02 16:07:34.783540992 +0200
+++ qemu-7.1.0/configure	2022-09-02 16:11:03.625989858 +0200
@@ -299,7 +299,6 @@
 debug_tcg="no"
 sanitizers="no"
 tsan="no"
-fortify_source="yes"
 EXESUF=""
 modules="no"
 prefix="/usr/local"
@@ -819,7 +818,6 @@
       debug_tcg="yes"
       meson_option_parse --enable-debug-mutex ""
       meson_option_add -Doptimization=0
-      fortify_source="no"
   ;;
   --enable-sanitizers) sanitizers="yes"
   ;;
@@ -1743,20 +1741,6 @@
     ccache_cpp2=yes
 fi
 
-#################################################
-# clang does not support glibc + FORTIFY_SOURCE.
-
-if test "$fortify_source" != "no"; then
-  if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
-    fortify_source="no";
-  elif test -n "$cxx" && has $cxx &&
-       echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
-    fortify_source="no";
-  else
-    fortify_source="yes"
-  fi
-fi
-
 ##########################################
 # checks for sanitizers
 
@@ -2246,10 +2230,6 @@
 
 write_c_skeleton
 
-if test "$fortify_source" = "yes" ; then
-  QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
-fi
-
 if test "$have_asan" = "yes"; then
   QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
   QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"