--- camlp5-rel8.00.old/configure	2020-12-27 22:26:24.000000000 +0000
+++ camlp5-rel8.00/configure	2021-02-28 22:38:08.341646880 +0000
@@ -243,11 +243,7 @@
   OCAMLC_W_Y=""
 fi
 
-if [ "$($ocamlc -warn-error +A-11 2>&1)" = "" ]; then
-  WARNERR="-warn-error +A-11"
-else
-  WARNERR=""
-fi
+WARNERR=""
 
 if make -f config/Makefile.check --no-print-directory >/dev/null 2>&1; then
   NO_PR_DIR=--no-print-directory