Changes for Win32; update precompiled files

Also fix Orctown probabilities; fixed support for snprintf;
update Win32 makefile to allow level compiler use

Conflicts:
	win/win32/levstuff.mak

.gitignore

@@ -34,6 +34,7 @@ Makefile
 # Win32-specific ignores
 binary/
 build/
+ipch/
 Nethack.sln
 Nethack.sdf
 Nethack.opensdf

dat/mines.des

@@ -131,7 +131,7 @@ OBJECT:('%',"corpse"),random,montype:"watch captain"
 
 # Rubble!
 LOOP [9 + 2d5] {
-  OBJECT[90%]:('`',"boulder"),random
+  [90%]: OBJECT:('`',"boulder"),random
   OBJECT:('*',"rock"),random
 }
 
@@ -158,9 +158,15 @@ $inside = selection: floodfill(18,8)
 $near_temple = selection: filter(fillrect(17,8, 23,14), $inside)
 
 LOOP [5 + 1d10] {
-  MONSTER[50%]: ('o', "orc-captain"), rndcoord($inside), hostile
-  MONSTER[80%]: ('o', "Uruk-hai"), rndcoord($inside), hostile
-  MONSTER: ('o', "Mordor orc"), rndcoord($inside), hostile
+    IF [50%] {
+        MONSTER: ('o', "orc-captain"), rndcoord($inside), hostile
+    } ELSE {
+        IF [80%] {
+            MONSTER: ('o', "Uruk-hai"), rndcoord($inside), hostile
+        } ELSE {
+            MONSTER: ('o', "Mordor orc"), rndcoord($inside), hostile
+        }
+    }
 }
 # shamans can be hanging out in/near the temple
 LOOP [2d3] {
@@ -169,11 +175,14 @@ LOOP [2d3] {
 # these are not such a big deal
 # to run into outside the bars
 LOOP [9 + 2d5] {
-  MONSTER[90%]: ('o', "hill orc"), random, hostile
-  MONSTER: ('o', "goblin"), random, hostile
+    IF [90%] {
+        MONSTER: ('o', "hill orc"), random, hostile
+    } ELSE {
+        MONSTER: ('o', "goblin"), random, hostile
+    }
 }
 
-WALLIFY:(1,0, 70,20)
+WALLIFY
 
 
 # Minetown variant 2

include/ntconf.h

@@ -124,8 +124,15 @@ extern void FDECL(interject, (int));
 #define strncmpi(a,b,c) strnicmp(a,b,c)
 #endif
 
+/* Visual Studio defines this in their own headers, which we don't use */
+#ifndef snprintf
+#define snprintf _snprintf
+#pragma warning(disable:4996)   /* deprecation warning suggesting snprintf_s */
+#endif
+
 #include <sys/types.h>
 #include <stdlib.h>
+#include <stdio.h>
 #ifdef __BORLANDC__
 #undef randomize
 #undef random

src/sp_lev.c

@@ -3440,20 +3440,21 @@ line_dist_coord(x1,y1, x2,y2, x3,y3)
 {
     long px = x2-x1;
     long py = y2-y1;
+    long s = px*px + py*py;
+    long x, y, dx, dy, dist = 0;
+    float u = 0;
 
     if (x1 == x2 && y1 == y2) return isqrt(dist2(x1,y1, x3,y3));
 
-    long s = px*px + py*py;
-    float u = ((x3 - x1) * px + (y3 - y1) * py) / (float)s;
-
+    u = ((x3 - x1) * px + (y3 - y1) * py) / (float)s;
     if (u > 1) u = 1;
     else if (u < 0) u = 0;
 
-    long x = x1 + u * px;
-    long y = y1 + u * py;
-    long dx = x - x3;
-    long dy = y - y3;
-    long dist = isqrt(dx*dx + dy*dy);
+    x = x1 + u * px;
+    y = y1 + u * py;
+    dx = x - x3;
+    dy = y - y3;
+    dist = isqrt(dx*dx + dy*dy);
 
     return dist;
 }

sys/share/lev_comp.h

@@ -1,79 +1,451 @@
-#define CHAR 257
-#define INTEGER 258
-#define BOOLEAN 259
-#define PERCENT 260
-#define MESSAGE_ID 261
-#define MAZE_ID 262
-#define LEVEL_ID 263
-#define LEV_INIT_ID 264
-#define GEOMETRY_ID 265
-#define NOMAP_ID 266
-#define OBJECT_ID 267
-#define COBJECT_ID 268
-#define MONSTER_ID 269
-#define TRAP_ID 270
-#define DOOR_ID 271
-#define DRAWBRIDGE_ID 272
-#define MAZEWALK_ID 273
-#define WALLIFY_ID 274
-#define REGION_ID 275
-#define FILLING 276
-#define RANDOM_OBJECTS_ID 277
-#define RANDOM_MONSTERS_ID 278
-#define RANDOM_PLACES_ID 279
-#define ALTAR_ID 280
-#define LADDER_ID 281
-#define STAIR_ID 282
-#define NON_DIGGABLE_ID 283
-#define NON_PASSWALL_ID 284
-#define ROOM_ID 285
-#define PORTAL_ID 286
-#define TELEPRT_ID 287
-#define BRANCH_ID 288
-#define LEV 289
-#define CHANCE_ID 290
-#define CORRIDOR_ID 291
-#define GOLD_ID 292
-#define ENGRAVING_ID 293
-#define FOUNTAIN_ID 294
-#define POOL_ID 295
-#define SINK_ID 296
-#define NONE 297
-#define RAND_CORRIDOR_ID 298
-#define DOOR_STATE 299
-#define LIGHT_STATE 300
-#define CURSE_TYPE 301
-#define ENGRAVING_TYPE 302
-#define DIRECTION 303
-#define RANDOM_TYPE 304
-#define O_REGISTER 305
-#define M_REGISTER 306
-#define P_REGISTER 307
-#define A_REGISTER 308
-#define ALIGNMENT 309
-#define LEFT_OR_RIGHT 310
-#define CENTER 311
-#define TOP_OR_BOT 312
-#define ALTAR_TYPE 313
-#define UP_OR_DOWN 314
-#define SUBROOM_ID 315
-#define NAME_ID 316
-#define FLAGS_ID 317
-#define FLAG_TYPE 318
-#define MON_ATTITUDE 319
-#define MON_ALERTNESS 320
-#define MON_APPEARANCE 321
-#define CONTAINED 322
-#define STRING 323
-#define MAP_ID 324
-typedef union
+
+/* A Bison parser, made by GNU Bison 2.4.1.  */
+
+/* Skeleton interface for Bison's Yacc-like parsers in C
+   
+      Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+   Free Software Foundation, Inc.
+   
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* As a special exception, you may create a larger work that contains
+   part or all of the Bison parser skeleton and distribute that work
+   under terms of your choice, so long as that work isn't itself a
+   parser generator using the skeleton or a modified version thereof
+   as a parser skeleton.  Alternatively, if you modify or redistribute
+   the parser skeleton itself, you may (at your option) remove this
+   special exception, which will cause the skeleton and the resulting
+   Bison output files to be licensed under the GNU General Public
+   License without this special exception.
+   
+   This special exception was added by the Free Software Foundation in
+   version 2.2 of Bison.  */
+
+
+/* Tokens.  */
+#ifndef YYTOKENTYPE
+# define YYTOKENTYPE
+   /* Put the tokens into the symbol table, so that GDB and other debuggers
+      know about them.  */
+   enum yytokentype {
+     CHAR = 258,
+     INTEGER = 259,
+     BOOLEAN = 260,
+     PERCENT = 261,
+     SPERCENT = 262,
+     MINUS_INTEGER = 263,
+     PLUS_INTEGER = 264,
+     MAZE_GRID_ID = 265,
+     SOLID_FILL_ID = 266,
+     MINES_ID = 267,
+     ROGUELEV_ID = 268,
+     MESSAGE_ID = 269,
+     MAZE_ID = 270,
+     LEVEL_ID = 271,
+     LEV_INIT_ID = 272,
+     GEOMETRY_ID = 273,
+     NOMAP_ID = 274,
+     OBJECT_ID = 275,
+     COBJECT_ID = 276,
+     MONSTER_ID = 277,
+     TRAP_ID = 278,
+     DOOR_ID = 279,
+     DRAWBRIDGE_ID = 280,
+     object_ID = 281,
+     monster_ID = 282,
+     terrain_ID = 283,
+     MAZEWALK_ID = 284,
+     WALLIFY_ID = 285,
+     REGION_ID = 286,
+     FILLING = 287,
+     IRREGULAR = 288,
+     JOINED = 289,
+     ALTAR_ID = 290,
+     LADDER_ID = 291,
+     STAIR_ID = 292,
+     NON_DIGGABLE_ID = 293,
+     NON_PASSWALL_ID = 294,
+     ROOM_ID = 295,
+     PORTAL_ID = 296,
+     TELEPRT_ID = 297,
+     BRANCH_ID = 298,
+     LEV = 299,
+     MINERALIZE_ID = 300,
+     CORRIDOR_ID = 301,
+     GOLD_ID = 302,
+     ENGRAVING_ID = 303,
+     FOUNTAIN_ID = 304,
+     POOL_ID = 305,
+     SINK_ID = 306,
+     NONE = 307,
+     RAND_CORRIDOR_ID = 308,
+     DOOR_STATE = 309,
+     LIGHT_STATE = 310,
+     CURSE_TYPE = 311,
+     ENGRAVING_TYPE = 312,
+     DIRECTION = 313,
+     RANDOM_TYPE = 314,
+     RANDOM_TYPE_BRACKET = 315,
+     A_REGISTER = 316,
+     ALIGNMENT = 317,
+     LEFT_OR_RIGHT = 318,
+     CENTER = 319,
+     TOP_OR_BOT = 320,
+     ALTAR_TYPE = 321,
+     UP_OR_DOWN = 322,
+     SUBROOM_ID = 323,
+     NAME_ID = 324,
+     FLAGS_ID = 325,
+     FLAG_TYPE = 326,
+     MON_ATTITUDE = 327,
+     MON_ALERTNESS = 328,
+     MON_APPEARANCE = 329,
+     ROOMDOOR_ID = 330,
+     IF_ID = 331,
+     ELSE_ID = 332,
+     TERRAIN_ID = 333,
+     HORIZ_OR_VERT = 334,
+     REPLACE_TERRAIN_ID = 335,
+     EXIT_ID = 336,
+     SHUFFLE_ID = 337,
+     QUANTITY_ID = 338,
+     BURIED_ID = 339,
+     LOOP_ID = 340,
+     FOR_ID = 341,
+     TO_ID = 342,
+     SWITCH_ID = 343,
+     CASE_ID = 344,
+     BREAK_ID = 345,
+     DEFAULT_ID = 346,
+     ERODED_ID = 347,
+     TRAPPED_ID = 348,
+     RECHARGED_ID = 349,
+     INVIS_ID = 350,
+     GREASED_ID = 351,
+     FEMALE_ID = 352,
+     CANCELLED_ID = 353,
+     REVIVED_ID = 354,
+     AVENGE_ID = 355,
+     FLEEING_ID = 356,
+     BLINDED_ID = 357,
+     PARALYZED_ID = 358,
+     STUNNED_ID = 359,
+     CONFUSED_ID = 360,
+     SEENTRAPS_ID = 361,
+     ALL_ID = 362,
+     MONTYPE_ID = 363,
+     GRAVE_ID = 364,
+     ERODEPROOF_ID = 365,
+     FUNCTION_ID = 366,
+     MSG_OUTPUT_TYPE = 367,
+     COMPARE_TYPE = 368,
+     UNKNOWN_TYPE = 369,
+     rect_ID = 370,
+     fillrect_ID = 371,
+     line_ID = 372,
+     randline_ID = 373,
+     grow_ID = 374,
+     selection_ID = 375,
+     flood_ID = 376,
+     rndcoord_ID = 377,
+     circle_ID = 378,
+     ellipse_ID = 379,
+     filter_ID = 380,
+     complement_ID = 381,
+     gradient_ID = 382,
+     GRADIENT_TYPE = 383,
+     LIMITED = 384,
+     HUMIDITY_TYPE = 385,
+     STRING = 386,
+     MAP_ID = 387,
+     NQSTRING = 388,
+     VARSTRING = 389,
+     CFUNC = 390,
+     CFUNC_INT = 391,
+     CFUNC_STR = 392,
+     CFUNC_COORD = 393,
+     CFUNC_REGION = 394,
+     VARSTRING_INT = 395,
+     VARSTRING_INT_ARRAY = 396,
+     VARSTRING_STRING = 397,
+     VARSTRING_STRING_ARRAY = 398,
+     VARSTRING_VAR = 399,
+     VARSTRING_VAR_ARRAY = 400,
+     VARSTRING_COORD = 401,
+     VARSTRING_COORD_ARRAY = 402,
+     VARSTRING_REGION = 403,
+     VARSTRING_REGION_ARRAY = 404,
+     VARSTRING_MAPCHAR = 405,
+     VARSTRING_MAPCHAR_ARRAY = 406,
+     VARSTRING_MONST = 407,
+     VARSTRING_MONST_ARRAY = 408,
+     VARSTRING_OBJ = 409,
+     VARSTRING_OBJ_ARRAY = 410,
+     VARSTRING_SEL = 411,
+     VARSTRING_SEL_ARRAY = 412,
+     METHOD_INT = 413,
+     METHOD_INT_ARRAY = 414,
+     METHOD_STRING = 415,
+     METHOD_STRING_ARRAY = 416,
+     METHOD_VAR = 417,
+     METHOD_VAR_ARRAY = 418,
+     METHOD_COORD = 419,
+     METHOD_COORD_ARRAY = 420,
+     METHOD_REGION = 421,
+     METHOD_REGION_ARRAY = 422,
+     METHOD_MAPCHAR = 423,
+     METHOD_MAPCHAR_ARRAY = 424,
+     METHOD_MONST = 425,
+     METHOD_MONST_ARRAY = 426,
+     METHOD_OBJ = 427,
+     METHOD_OBJ_ARRAY = 428,
+     METHOD_SEL = 429,
+     METHOD_SEL_ARRAY = 430,
+     DICE = 431
+   };
+#endif
+/* Tokens.  */
+#define CHAR 258
+#define INTEGER 259
+#define BOOLEAN 260
+#define PERCENT 261
+#define SPERCENT 262
+#define MINUS_INTEGER 263
+#define PLUS_INTEGER 264
+#define MAZE_GRID_ID 265
+#define SOLID_FILL_ID 266
+#define MINES_ID 267
+#define ROGUELEV_ID 268
+#define MESSAGE_ID 269
+#define MAZE_ID 270
+#define LEVEL_ID 271
+#define LEV_INIT_ID 272
+#define GEOMETRY_ID 273
+#define NOMAP_ID 274
+#define OBJECT_ID 275
+#define COBJECT_ID 276
+#define MONSTER_ID 277
+#define TRAP_ID 278
+#define DOOR_ID 279
+#define DRAWBRIDGE_ID 280
+#define object_ID 281
+#define monster_ID 282
+#define terrain_ID 283
+#define MAZEWALK_ID 284
+#define WALLIFY_ID 285
+#define REGION_ID 286
+#define FILLING 287
+#define IRREGULAR 288
+#define JOINED 289
+#define ALTAR_ID 290
+#define LADDER_ID 291
+#define STAIR_ID 292
+#define NON_DIGGABLE_ID 293
+#define NON_PASSWALL_ID 294
+#define ROOM_ID 295
+#define PORTAL_ID 296
+#define TELEPRT_ID 297
+#define BRANCH_ID 298
+#define LEV 299
+#define MINERALIZE_ID 300
+#define CORRIDOR_ID 301
+#define GOLD_ID 302
+#define ENGRAVING_ID 303
+#define FOUNTAIN_ID 304
+#define POOL_ID 305
+#define SINK_ID 306
+#define NONE 307
+#define RAND_CORRIDOR_ID 308
+#define DOOR_STATE 309
+#define LIGHT_STATE 310
+#define CURSE_TYPE 311
+#define ENGRAVING_TYPE 312
+#define DIRECTION 313
+#define RANDOM_TYPE 314
+#define RANDOM_TYPE_BRACKET 315
+#define A_REGISTER 316
+#define ALIGNMENT 317
+#define LEFT_OR_RIGHT 318
+#define CENTER 319
+#define TOP_OR_BOT 320
+#define ALTAR_TYPE 321
+#define UP_OR_DOWN 322
+#define SUBROOM_ID 323
+#define NAME_ID 324
+#define FLAGS_ID 325
+#define FLAG_TYPE 326
+#define MON_ATTITUDE 327
+#define MON_ALERTNESS 328
+#define MON_APPEARANCE 329
+#define ROOMDOOR_ID 330
+#define IF_ID 331
+#define ELSE_ID 332
+#define TERRAIN_ID 333
+#define HORIZ_OR_VERT 334
+#define REPLACE_TERRAIN_ID 335
+#define EXIT_ID 336
+#define SHUFFLE_ID 337
+#define QUANTITY_ID 338
+#define BURIED_ID 339
+#define LOOP_ID 340
+#define FOR_ID 341
+#define TO_ID 342
+#define SWITCH_ID 343
+#define CASE_ID 344
+#define BREAK_ID 345
+#define DEFAULT_ID 346
+#define ERODED_ID 347
+#define TRAPPED_ID 348
+#define RECHARGED_ID 349
+#define INVIS_ID 350
+#define GREASED_ID 351
+#define FEMALE_ID 352
+#define CANCELLED_ID 353
+#define REVIVED_ID 354
+#define AVENGE_ID 355
+#define FLEEING_ID 356
+#define BLINDED_ID 357
+#define PARALYZED_ID 358
+#define STUNNED_ID 359
+#define CONFUSED_ID 360
+#define SEENTRAPS_ID 361
+#define ALL_ID 362
+#define MONTYPE_ID 363
+#define GRAVE_ID 364
+#define ERODEPROOF_ID 365
+#define FUNCTION_ID 366
+#define MSG_OUTPUT_TYPE 367
+#define COMPARE_TYPE 368
+#define UNKNOWN_TYPE 369
+#define rect_ID 370
+#define fillrect_ID 371
+#define line_ID 372
+#define randline_ID 373
+#define grow_ID 374
+#define selection_ID 375
+#define flood_ID 376
+#define rndcoord_ID 377
+#define circle_ID 378
+#define ellipse_ID 379
+#define filter_ID 380
+#define complement_ID 381
+#define gradient_ID 382
+#define GRADIENT_TYPE 383
+#define LIMITED 384
+#define HUMIDITY_TYPE 385
+#define STRING 386
+#define MAP_ID 387
+#define NQSTRING 388
+#define VARSTRING 389
+#define CFUNC 390
+#define CFUNC_INT 391
+#define CFUNC_STR 392
+#define CFUNC_COORD 393
+#define CFUNC_REGION 394
+#define VARSTRING_INT 395
+#define VARSTRING_INT_ARRAY 396
+#define VARSTRING_STRING 397
+#define VARSTRING_STRING_ARRAY 398
+#define VARSTRING_VAR 399
+#define VARSTRING_VAR_ARRAY 400
+#define VARSTRING_COORD 401
+#define VARSTRING_COORD_ARRAY 402
+#define VARSTRING_REGION 403
+#define VARSTRING_REGION_ARRAY 404
+#define VARSTRING_MAPCHAR 405
+#define VARSTRING_MAPCHAR_ARRAY 406
+#define VARSTRING_MONST 407
+#define VARSTRING_MONST_ARRAY 408
+#define VARSTRING_OBJ 409
+#define VARSTRING_OBJ_ARRAY 410
+#define VARSTRING_SEL 411
+#define VARSTRING_SEL_ARRAY 412
+#define METHOD_INT 413
+#define METHOD_INT_ARRAY 414
+#define METHOD_STRING 415
+#define METHOD_STRING_ARRAY 416
+#define METHOD_VAR 417
+#define METHOD_VAR_ARRAY 418
+#define METHOD_COORD 419
+#define METHOD_COORD_ARRAY 420
+#define METHOD_REGION 421
+#define METHOD_REGION_ARRAY 422
+#define METHOD_MAPCHAR 423
+#define METHOD_MAPCHAR_ARRAY 424
+#define METHOD_MONST 425
+#define METHOD_MONST_ARRAY 426
+#define METHOD_OBJ 427
+#define METHOD_OBJ_ARRAY 428
+#define METHOD_SEL 429
+#define METHOD_SEL_ARRAY 430
+#define DICE 431
+
+
+
+
+#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
+typedef union YYSTYPE
 {
-	int	i;
+
+/* Line 1676 of yacc.c  */
+#line 146 "lev_comp.y"
+
+	long	i;
 	char*	map;
 	struct {
-		xchar room;
-		xchar wall;
-		xchar door;
+		long room;
+		long wall;
+		long door;
 	} corpos;
+    struct {
+	long area;
+	long x1;
+	long y1;
+	long x2;
+	long y2;
+    } lregn;
+    struct {
+	long x;
+	long y;
+    } crd;
+    struct {
+	long ter;
+	long lit;
+    } terr;
+    struct {
+	long height;
+	long width;
+    } sze;
+    struct {
+	long die;
+	long num;
+    } dice;
+    struct {
+	long cfunc;
+	char *varstr;
+    } meth;
+
+
+
+/* Line 1676 of yacc.c  */
+#line 443 "y.tab.h"
 } YYSTYPE;
+# define YYSTYPE_IS_TRIVIAL 1
+# define yystype YYSTYPE /* obsolescent; will be withdrawn */
+# define YYSTYPE_IS_DECLARED 1
+#endif
+
 extern YYSTYPE yylval;
+
+

util/lev_main.c

@@ -697,7 +697,7 @@ funcdef_defined(f, name, casesense)
 	if (casesense) {
 	    if (!strcmp(name, f->name)) return f;
 	} else {
-	    if (!strcasecmp(name, f->name)) return f;
+	    if (!strcmpi(name, f->name)) return f;
 	}
 	f = f->next;
     }
@@ -748,7 +748,7 @@ vardef_defined(f, name, casesense)
 	if (casesense) {
 	    if (!strcmp(name, f->name)) return f;
 	} else {
-	    if (!strcasecmp(name, f->name)) return f;
+	    if (!strcmpi(name, f->name)) return f;
 	}
 	f = f->next;
     }
@@ -988,7 +988,7 @@ char c;
 	/* didn't find it; lets try case insensitive search */
 	for (i = LOW_PM; i < NUMMONS; i++)
 	    if (!class || class == mons[i].mlet)
-		if (!strcasecmp(s, mons[i].mname)) {
+		if (!strcmpi(s, mons[i].mname)) {
 		    if (be_verbose)
 			lc_warning("Monster type \"%s\" matches \"%s\".", s, mons[i].mname);
 		    return i;
@@ -1020,7 +1020,7 @@ char c;		/* class */
 	for (i = class ? bases[class] : 0; i < NUM_OBJECTS; i++) {
 	    if (class && objects[i].oc_class != class) break;
 	    objname = obj_descr[i].oc_name;
-	    if (objname && !strcasecmp(s, objname)) {
+	    if (objname && !strcmpi(s, objname)) {
 		if (be_verbose)
 		    lc_warning("Object type \"%s\" matches \"%s\".", s, objname);
 		return i;

win/win32/levstuff.mak

@@ -1,26 +1,20 @@
-# $NHDT-Date$  $NHDT-Branch$:$NHDT-Revision$
-# $Date:2002/01/22 22:54:54 $  $Revision: 1.2 $
-#YACC   = byacc.exe
-#LEX	= flex.exe
-#YTABC   = y_tab.c
-#YTABH   = y_tab.h
-#LEXYYC  = lexyy.c
-
-!IF "$(YACC)"!=""
-@echo Yacc-alike set to $(YACC)
-@echo YTABC set to $(YTABC)
-@echo YTABH set to $(YTABH)
-!ENDIF
-
-!IF "$(LEX)"!=""
-@echo Lex-alike set to $(LEX)
-@echo LEXYYC set to $(LEXYYC)
-!ENDIF
+# Uncomment as appropriate for your form of YACC/LEX.
+#
+#YACC = yacc.exe
+#YACC = byacc.exe
+YACC = bison.exe -y
+#
+#LEX = lex.exe
+LEX = flex.exe
 
+# these won't have an impact unless YACC/LEX are defined
+YTABC = y.tab.c
+YTABH = y.tab.h
+LEXYYC = lex.yy.c
 
 default: all
 
-all: ..\util\lev_yacc.c ..\util\lev_lex.c
+all: tools ..\util\lev_yacc.c ..\util\lev_lex.c
 
 rebuild: clean all
 
@@ -29,15 +23,29 @@ clean:
 	-del ..\util\lev_yacc.c
 	-del ..\include\lev_comp.h
 
+tools:
+!IFDEF YACC
+	@echo Yacc-alike set to $(YACC)
+	@echo YTABC set to $(YTABC)
+	@echo YTABH set to $(YTABH)
+!ENDIF
+
+!IFDEF LEX
+	@echo Lex-alike set to $(LEX)
+	@echo LEXYYC set to $(LEXYYC)
+!ENDIF
+
 #==========================================
 # Level Compiler Stuff
 #==========================================
+
 ..\util\lev_yacc.c ..\include\lev_comp.h: ..\util\lev_comp.y
-!IF "$(YACC)"==""
+!IFNDEF YACC
 	   @echo Using pre-built lev_yacc.c and lev_comp.h
 	   @copy ..\sys\share\lev_yacc.c ..\util\lev_yacc.c
 	   @copy ..\sys\share\lev_comp.h ..\include\lev_comp.h
 !ELSE
+	   @echo Generating lev_yacc.c and lev_comp.h
 	   chdir ..\util
 	   $(YACC) -d lev_comp.y
 	   copy $(YTABC) $@
@@ -48,10 +56,11 @@ clean:
 !ENDIF
 
 ..\util\lev_lex.c: ..\util\lev_comp.l
-!IF "$(LEX)"==""
+!IFNDEF LEX
 	   @echo Using pre-built lev_lex.c
 	   @copy ..\sys\share\lev_lex.c $@
 !ELSE
+	   @echo Generating lev_lex.c
 	   chdir ..\util
 	   $(LEX) lev_comp.l
 	   copy $(LEXYYC) $@