Make.rules: Set the default prefix for bison files from the file basename.

Make.rules.in

@@ -127,10 +127,10 @@ LINTS  = $(C_SRCS:.c=.ln)
 	$(AS) -o $@ $<
 
 .y.tab.c:
-	$(BISON) $(BISONFLAGS) -o $@ $<
+	$(BISON) $(BISONFLAGS) -p $*_ -o $@ $<
 
 .y.tab.h:
-	$(BISON) $(BISONFLAGS) -o $*.tab.c -d $<
+	$(BISON) $(BISONFLAGS) -p $*_ -o $*.tab.c -d $<
 
 .l.yy.c:
 	$(LEX) $(LEXFLAGS) -t $< >$@ || ($(RM) $@ && exit 1)

programs/winedbg/dbg.y

@@ -40,6 +40,8 @@ int yyerror(const char*);
 
 %}
 
+%name-prefix="yy"
+
 %union
 {
     struct dbg_lvalue   lvalue;

tools/widl/parser.y

@@ -126,6 +126,8 @@ static void check_arg(var_t *arg);
 	unsigned int num;
 }
 
+%name-prefix="yy"
+
 %token <str> aIDENTIFIER
 %token <str> aKNOWNTYPE
 %token <num> aNUM aHEXNUM

tools/wmc/mcy.y

@@ -95,6 +95,7 @@ static cp_xlat_t *find_cpxlat(int lan);
 
 %}
 
+%name-prefix="yy"
 
 %union {
 	WCHAR		*str;

tools/wrc/parser.y

@@ -282,6 +282,8 @@ static int rsrcid_to_token(int lookahead);
 	ani_any_t	*ani;
 }
 
+%name-prefix="yy"
+
 %token tNL
 %token <num> tNUMBER tLNUMBER
 %token <str> tSTRING tIDENT tFILENAME