--- gnupg-1.4.23.orig/doc/Makefile.in	2018-06-11 10:47:56.000000000 +0200
+++ gnupg-1.4.23/doc/Makefile.in	2021-09-17 16:02:49.904418167 +0200
@@ -952,7 +952,7 @@ uninstall-man: uninstall-man1
 
 
 yat2m: Makefile yat2m.c
-	$(CC_FOR_BUILD) -o $@ $(srcdir)/yat2m.c
+	$(CC_FOR_BUILD) $(CFLAGS_FOR_BUILD) -o $@ $(srcdir)/yat2m.c
 
 yat2m-stamp: $(myman_sources)
 	@rm -f yat2m-stamp.tmp