https://bugs.gentoo.org/604848

--- intercal-0.30-orig/src/lexer.l
+++ intercal-0.30/src/lexer.l
@@ -38,12 +38,10 @@
 /*#undef wchar_t*/
 /*#define wchar_t unsigned char*/
 
-#ifndef yywrap
 static int yywrap(void)
 {
     return 1;
 }
-#endif /* yywrap */
 
 int 	iyylineno = 1;