diff -ru iproute2-5.14.0/configure src/configure
--- iproute2-5.14.0/configure	2021-08-31 20:57:59.000000000 +0200
+++ src/configure	2023-06-01 12:53:11.187067196 +0200
@@ -21,6 +21,8 @@
     echo "AR:=${AR}" >>$CONFIG
     echo "CC:=${CC}" >>$CONFIG
     echo "YACC:=${YACC}" >>$CONFIG
+
+    CC="$CC $CFLAGS $LDFLAGS"
 }
 
 check_atm()