src/tclx/src/tclxgdat.y: Micropolis build fixes for recent macOS

Fix:
y.tab.c:1310:16: error: implicit declaration of function 'yylex' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
      yychar = YYLEX;
               ^
y.tab.c:1586:7: error: implicit declaration of function 'yyerror' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
      yyerror (YY_("syntax error"));
      ^
y.tab.c:1732:3: error: implicit declaration of function 'yyerror' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
  yyerror (YY_("memory exhausted"));
  ^

diff --git a/src/tclx/src/tclxgdat.y b/src/tclx/src/tclxgdat.y
index 93b1610b8755b707bf354983fa52d87b65c97f64..aea9f3d49ced8818421c6aca538df0f1a08b17b3 100644 (file)
--- a/src/tclx/src/tclxgdat.y
+++ b/src/tclx/src/tclxgdat.y
@@ -58,6 +58,9 @@
 #define DAYLIGHT 1
 #define STANDARD 2
 #define MAYBE    3
+
+int yylex(void);
+void yyerror(const char *);
 %}
 
 %%
@@ -229,6 +232,7 @@ time_t daylcorr(future, now) time_t future, now;
 static char *lptr;
 
 //static
+int
 yylex()
 {
 #ifndef YYSTYPE
@@ -580,7 +584,7 @@ Tcl_GetDate (p, now, zone)
  * Error message are not used, so discard with dummy function.
  */
 
-int
+void
 yyerror(msg)
     const char *msg;
 {