https://bugs.gentoo.org/752051
--- a/src/html.c
+++ b/src/html.c
@@ -47,7 +47,7 @@ CHAR attr_name[DEF_STR_LEN], /* Attribut name of a HTML-Tag */
/* ------------------------------------------------ */
#if defined(MULTIBYTE) && !defined(HAVE_WCSCASECMP)
#include
-static int wcscasecmp(const wchar_t *s1, const wchar_t *s2)
+extern int wcscasecmp(const wchar_t *s1, const wchar_t *s2)
{
size_t i;
wint_t c1, c2;