https://sources.debian.org/patches/wput/0.6.2+git20130413-9/single-declaration.patch/
https://bugs.gentoo.org/706954
--- a/src/wput.h
+++ b/src/wput.h
@@ -140,7 +140,9 @@
 
   unsigned short int retry_interval;
   unsigned       int speed_limit;
-} opt;
+};
+
+extern struct global_options opt;
 
 extern _fsession * fsession_queue_entry_point;
 extern char * email_address;
--- a/src/wput.c
+++ b/src/wput.c
@@ -55,6 +55,7 @@
 #include "utils.h"
 
 extern char *optarg;
+struct global_options opt;
 
 #ifdef WIN32
 const static char * version = "0.6.2-w32";
